<div class="markdown_content"><ul>
<li><strong>status</strong>: open --> closed-out-of-date</li>
<li><strong>Comment</strong>:</li>
</ul>
<p>Closing for lack of feedback (and probably fixed).</p>
<hr/>
<p><strong> <a class="alink strikethrough" href="http://sourceforge.net/p/rkward/bugs/127/">[bugs:#127]</a> R backend hangs using 100% when after trying to stop operation</strong></p>
<p><strong>Status:</strong> closed-out-of-date<br/>
<strong>Group:</strong> CRASH<br/>
<strong>Labels:</strong> NEEDINFO <br/>
<strong>Created:</strong> Wed Apr 10, 2013 10:55 AM UTC by Milan Bouchet-Valat<br/>
<strong>Last Updated:</strong> Thu Feb 26, 2015 08:54 PM UTC<br/>
<strong>Owner:</strong> nobody</p>
<p>Sometimes, when I try to cancel an operation, rkward.rbackend hangs eating all CPU. I'm not sure how to reproduce it. Below are the stacktraces of rkward.rbackend and rkward.frontend during the hang.</p>
<p>This is with RKWard 0.6.0z+0.6.1+pre1 on Fedora 18 64-bit.</p>
<div class="codehilite"><pre><span class="nx">rkward</span><span class="p">.</span><span class="nx">rbackend</span><span class="o">:</span>
<span class="p">(</span><span class="nx">gdb</span><span class="p">)</span> <span class="nx">t</span> <span class="nx">a</span> <span class="nx">a</span> <span class="nx">bt</span>

<span class="nx">Thread</span> <span class="mi">2</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f0b2d874700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10719</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e820011b5</span> <span class="k">in</span> <span class="nx">tls_get_addr_tail</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">ld</span><span class="o">-</span><span class="nx">linux</span><span class="o">-</span><span class="nx">x86</span><span class="o">-</span><span class="mi">64</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">2</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e8f87a66f</span> <span class="k">in</span> <span class="nx">get_thread_data</span> <span class="p">()</span> <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">182</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">QThreadData</span><span class="o">::</span><span class="nx">current</span> <span class="p">()</span> <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">208</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e8f878519</span> <span class="k">in</span> <span class="nx">QThread</span><span class="o">::</span><span class="nx">currentThread</span> <span class="p">()</span> <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">401</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000000000416479</span> <span class="k">in</span> <span class="nx">RKRBackendProtocolBackend</span><span class="o">::</span><span class="nx">inRThread</span> <span class="p">()</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackendprotocol_backend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">213</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x000000000040e8f1</span> <span class="k">in</span> <span class="nx">RKRBackend</span><span class="o">::</span><span class="nx">tryToDoEmergencySave</span> <span class="p">()</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">552</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000000000411c15</span> <span class="k">in</span> <span class="nx">RKSignalSupportPrivate</span><span class="o">::</span><span class="nx">signal_proxy</span> <span class="p">(</span><span class="nx">signum</span><span class="o">=</span><span class="mi">11</span><span class="p">,</span> 
    <span class="nx">info</span><span class="o">=</span><span class="mh">0x7f0b2d8737b0</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x7f0b2d873680</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rksignalsupport</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">72</span>
<span class="err">#</span><span class="mi">7</span>  <span class="o"><</span><span class="nx">signal</span> <span class="nx">handler</span> <span class="nx">called</span><span class="o">></span>
<span class="err">#</span><span class="mi">8</span>  <span class="mh">0x00007f0b3563c773</span> <span class="k">in</span> <span class="nx">g_main_context_check</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="nx">context</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7f0b280009a0</span><span class="p">,</span> <span class="nx">max_priority</span><span class="o">=</span><span class="mi">2147483647</span><span class="p">,</span> <span class="nx">fds</span><span class="o">=</span><span class="nx">fds</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mh">0x7f0b2801c0a0</span><span class="p">,</span> 
    <span class="nx">n_fds</span><span class="o">=</span><span class="nx">n_fds</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">2</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3144</span>
<span class="err">#</span><span class="mi">9</span>  <span class="mh">0x00007f0b3563ccc2</span> <span class="k">in</span> <span class="nx">g_main_context_iterate</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="nx">context</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7f0b280009a0</span><span class="p">,</span> <span class="nx">block</span><span class="o">=</span><span class="nx">block</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">dispatch</span><span class="o">=</span><span class="nx">dispatch</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> 
    <span class="nx">self</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3287</span>
<span class="err">#</span><span class="mi">10</span> <span class="mh">0x00007f0b3563ce44</span> <span class="k">in</span> <span class="nx">g_main_context_iteration</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="mh">0x7f0b280009a0</span><span class="p">,</span> 
    <span class="nx">may_block</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3351</span>
<span class="err">#</span><span class="mi">11</span> <span class="mh">0x0000003e8f9a6106</span> <span class="k">in</span> <span class="nx">QEventDispatcherGlib</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span>
    <span class="mh">0x7f0b280008c0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventdispatcher_glib</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">424</span>
<span class="err">#</span><span class="mi">12</span> <span class="mh">0x0000003e8f97680f</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="k">this</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7f0b2d873ca0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">149</span>
<span class="err">#</span><span class="mi">13</span> <span class="mh">0x0000003e8f976a98</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x7f0b2d873ca0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span>
    <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">204</span>
<span class="err">#</span><span class="mi">14</span> <span class="mh">0x0000003e8f878980</span> <span class="k">in</span> <span class="nx">QThread</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">542</span>
<span class="err">#</span><span class="mi">15</span> <span class="mh">0x00000000004184c6</span> <span class="k">in</span> <span class="nx">RKRBackendTransmitter</span><span class="o">::</span><span class="nx">run</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x7fff04c7fcf0</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkbackendtransmitter</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">69</span>
<span class="err">#</span><span class="mi">16</span> <span class="mh">0x0000003e8f87b95c</span> <span class="k">in</span> <span class="nx">QThreadPrivate</span><span class="o">::</span><span class="nx">start</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7fff04c7fcf0</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">338</span>
<span class="err">#</span><span class="mi">17</span> <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f0b2d874700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">18</span> <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">1</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f0b33e8f880</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10717</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824eebf9</span> <span class="k">in</span> <span class="nx">syscall</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e8f87a404</span> <span class="k">in</span> <span class="nx">_q_futex</span> <span class="p">(</span><span class="nx">addr2</span><span class="o">=</span><span class="mh">0x0</span><span class="p">,</span> <span class="nx">val2</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=</span><span class="mh">0x0</span><span class="p">,</span> <span class="nx">val</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="nx">op</span><span class="o">=</span>
    <span class="mi">0</span><span class="p">,</span> <span class="nx">addr</span><span class="o">=</span><span class="mh">0x24bc080</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qmutex_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">99</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">QMutexPrivate</span><span class="o">::</span><span class="nx">wait</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24bc080</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qmutex_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">113</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e8f876615</span> <span class="k">in</span> <span class="nx">QMutex</span><span class="o">::</span><span class="nx">lockInternal</span> <span class="p">(</span><span class="k">this</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qmutex</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">450</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x000000000041612d</span> <span class="k">in</span> <span class="nx">RKDebugMessageOutput</span> <span class="p">(</span><span class="nx">type</span><span class="o">=</span><span class="nx">QtDebugMsg</span><span class="p">,</span> <span class="nx">msg</span><span class="o">=</span>
    <span class="mh">0x25302e0</span> <span class="s2">"Assert 'false' failed at /home/milan/Dev/rkward/rkward/rkward/rbackend/rkrbackend.cpp - function tryToDoEmergencySave line 572"</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackendprotocol_backend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">93</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x000000000041624d</span> <span class="k">in</span> <span class="nx">RKDebug</span> <span class="p">(</span><span class="nx">flags</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> 
    <span class="nx">level</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> <span class="nx">fmt</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackendprotocol_backend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">115</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x000000000040ea04</span> <span class="k">in</span> <span class="nx">RKRBackend</span><span class="o">::</span><span class="nx">tryToDoEmergencySave</span> <span class="p">()</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">572</span>
<span class="err">#</span><span class="mi">7</span>  <span class="mh">0x0000000000411c15</span> <span class="k">in</span> <span class="nx">RKSignalSupportPrivate</span><span class="o">::</span><span class="nx">signal_proxy</span> <span class="p">(</span><span class="nx">signum</span><span class="o">=</span><span class="mi">11</span><span class="p">,</span> 
    <span class="nx">info</span><span class="o">=</span><span class="mh">0x2532530</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x2532400</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rksignalsupport</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">72</span>
<span class="err">#</span><span class="mi">8</span>  <span class="o"><</span><span class="nx">signal</span> <span class="nx">handler</span> <span class="nx">called</span><span class="o">></span>
<span class="err">#</span><span class="mi">9</span>  <span class="mh">0x0000003e8254cb83</span> <span class="k">in</span> <span class="nx">__memmove_ssse3_back</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">10</span> <span class="mh">0x0000003e8f89983a</span> <span class="k">in</span> <span class="nx">memmove</span> <span class="p">(</span><span class="nx">__len</span><span class="o">=</span><span class="mi">18446744073709551608</span><span class="p">,</span> 
    <span class="nx">__src</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> <span class="nx">__dest</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">include</span><span class="o">/</span><span class="nx">bits</span><span class="o">/</span><span class="nx">string3</span><span class="p">.</span><span class="nx">h</span><span class="o">:</span><span class="mi">57</span>
<span class="err">#</span><span class="mi">11</span> <span class="nx">QListData</span><span class="o">::</span><span class="nx">remove</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="k">this</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mh">0x24db5a8</span><span class="p">,</span> <span class="nx">i</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> <span class="nx">i</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="o">-</span><span class="mi">1</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">tools</span><span class="o">/</span><span class="nx">qlist</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">343</span>
<span class="err">#</span><span class="mi">12</span> <span class="mh">0x0000003e8f899b2c</span> <span class="k">in</span> <span class="nx">QListData</span><span class="o">::</span><span class="nx">erase</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24db5a8</span><span class="p">,</span> <span class="nx">xi</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">tools</span><span class="o">/</span><span class="nx">qlist</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">412</span>
<span class="err">#</span><span class="mi">13</span> <span class="mh">0x0000000000409381</span> <span class="k">in</span> <span class="nx">erase</span> <span class="p">(</span><span class="nx">it</span><span class="o">=</span><span class="p">...,</span> <span class="k">this</span><span class="o">=</span><span class="mh">0x24db5a8</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">include</span><span class="o">/</span><span class="nx">QtCore</span><span class="o">/</span><span class="nx">qlist</span><span class="p">.</span><span class="nx">h</span><span class="o">:</span><span class="mi">466</span>
<span class="err">#</span><span class="mi">14</span> <span class="nx">removeLast</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24db5a8</span><span class="p">)</span> <span class="nx">at</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">include</span><span class="o">/</span><span class="nx">QtCore</span><span class="o">/</span><span class="nx">qlist</span><span class="p">.</span><span class="nx">h</span><span class="o">:</span><span class="mi">287</span>
<span class="err">#</span><span class="mi">15</span> <span class="nx">pop_back</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24db5a8</span><span class="p">)</span> <span class="nx">at</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">include</span><span class="o">/</span><span class="nx">QtCore</span><span class="o">/</span><span class="nx">qlist</span><span class="p">.</span><span class="nx">h</span><span class="o">:</span><span class="mi">303</span>
<span class="err">#</span><span class="mi">16</span> <span class="nx">RKRBackend</span><span class="o">::</span><span class="nx">commandFinished</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24db580</span><span class="p">,</span> 
    <span class="nx">check_object_updates_needed</span><span class="o">=</span><span class="nx">check_object_updates_needed</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="kc">true</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">1419</span>
<span class="err">#</span><span class="mi">17</span> <span class="mh">0x000000000040f576</span> <span class="k">in</span> <span class="nx">RReadConsole</span> <span class="p">(</span><span class="nx">prompt</span><span class="o">=</span><span class="mh">0x250d1a0</span> <span class="s2">"\002"</span><span class="p">,</span> <span class="nx">buf</span><span class="o">=</span>
    <span class="mh">0x7fff04c7eb7c</span> <span class="s2">""</span><span class="p">,</span> <span class="nx">buflen</span><span class="o">=</span><span class="mi">4096</span><span class="p">,</span> <span class="nx">hist</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">365</span>
<span class="err">#</span><span class="mi">18</span> <span class="mh">0x0000003e849131e2</span> <span class="k">in</span> <span class="nx">Rf_ReplIteration</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">R</span><span class="o">/</span><span class="nx">lib</span><span class="o">/</span><span class="nx">libR</span><span class="p">.</span><span class="nx">so</span>
<span class="err">#</span><span class="mi">19</span> <span class="mh">0x0000003e84913580</span> <span class="k">in</span> <span class="nx">R_ReplConsole</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">R</span><span class="o">/</span><span class="nx">lib</span><span class="o">/</span><span class="nx">libR</span><span class="p">.</span><span class="nx">so</span>
<span class="err">#</span><span class="mi">20</span> <span class="mh">0x0000003e84913aaa</span> <span class="k">in</span> <span class="nx">run_Rmainloop</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">R</span><span class="o">/</span><span class="nx">lib</span><span class="o">/</span><span class="nx">libR</span><span class="p">.</span><span class="nx">so</span>
<span class="err">#</span><span class="mi">21</span> <span class="mh">0x000000000040f29b</span> <span class="k">in</span> <span class="nx">RKRBackend</span><span class="o">::</span><span class="nx">run</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x24db580</span><span class="p">,</span> <span class="nx">locale_dir</span><span class="o">=</span><span class="p">...)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">1385</span>
<span class="err">#</span><span class="mi">22</span> <span class="mh">0x0000000000407830</span> <span class="k">in</span> <span class="nx">main</span> <span class="p">(</span><span class="nx">argc</span><span class="o">=</span><span class="mi">5</span><span class="p">,</span> <span class="nx">argv</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkrbackendprotocol_backend</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">159</span>

<span class="nx">rkward</span><span class="p">.</span><span class="nx">frontend</span> <span class="nx">trace</span><span class="o">:</span>

<span class="p">(</span><span class="nx">gdb</span><span class="p">)</span> <span class="nx">t</span> <span class="nx">a</span> <span class="nx">a</span> <span class="nx">bt</span>

<span class="nx">Thread</span> <span class="mi">6</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f01f6a6b700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10715</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824e99ad</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e84847d24</span> <span class="k">in</span> <span class="nx">g_main_context_poll</span> <span class="p">(</span><span class="nx">priority</span><span class="o">=</span><span class="mi">2147483647</span><span class="p">,</span> <span class="nx">n_fds</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> 
    <span class="nx">fds</span><span class="o">=</span><span class="mh">0x7f01f0012b80</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x7f01f00009a0</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3584</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">g_main_context_iterate</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="nx">context</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mh">0x7f01f00009a0</span><span class="p">,</span> 
    <span class="nx">block</span><span class="o">=</span><span class="nx">block</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">dispatch</span><span class="o">=</span><span class="nx">dispatch</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">self</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3285</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e84847e44</span> <span class="k">in</span> <span class="nx">g_main_context_iteration</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="mh">0x7f01f00009a0</span><span class="p">,</span> 
    <span class="nx">may_block</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3351</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000003e8f9a6126</span> <span class="k">in</span> <span class="nx">QEventDispatcherGlib</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span>
    <span class="mh">0x7f01f00008c0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventdispatcher_glib</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">426</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x0000003e8f97680f</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="k">this</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7f01f6a6ac10</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">149</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000003e8f976a98</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x7f01f6a6ac10</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span>
    <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">204</span>
<span class="err">#</span><span class="mi">7</span>  <span class="mh">0x0000003e8f878980</span> <span class="k">in</span> <span class="nx">QThread</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">542</span>
<span class="err">#</span><span class="mi">8</span>  <span class="mh">0x0000000000530f73</span> <span class="k">in</span> <span class="nx">RKFrontendTransmitter</span><span class="o">::</span><span class="nx">run</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x25e7610</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rbackend</span><span class="o">/</span><span class="nx">rkfrontendtransmitter</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">88</span>
<span class="err">#</span><span class="mi">9</span>  <span class="mh">0x0000003e8f87b95c</span> <span class="k">in</span> <span class="nx">QThreadPrivate</span><span class="o">::</span><span class="nx">start</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x25e7610</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">338</span>
<span class="err">#</span><span class="mi">10</span> <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f01f6a6b700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">11</span> <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">5</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f01f626a700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10716</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824e99ad</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e8f9a3480</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">(</span><span class="nx">__timeout</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="nx">__nfds</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">__fds</span><span class="o">=</span><span class="mh">0x7f01f6269d00</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">usr</span><span class="o">/</span><span class="nx">include</span><span class="o">/</span><span class="nx">bits</span><span class="o">/</span><span class="nx">poll2</span><span class="p">.</span><span class="nx">h</span><span class="o">:</span><span class="mi">46</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">qt_safe_poll</span> <span class="p">(</span><span class="nx">fds</span><span class="o">=</span><span class="mh">0x7f01f6269d00</span><span class="p">,</span> <span class="nx">nfds</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">timeout_ms</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> 
    <span class="nx">retry_eintr</span><span class="o">=</span><span class="kc">false</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qcore_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">121</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e8f955540</span> <span class="k">in</span> <span class="nx">QProcessManager</span><span class="o">::</span><span class="nx">run</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span>
    <span class="mh">0x3e8fcd5520</span> <span class="o"><</span><span class="nx">processManager</span><span class="p">()</span><span class="o">::</span><span class="nx">processManager</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">io</span><span class="o">/</span><span class="nx">qprocess_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">238</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000003e8f87b95c</span> <span class="k">in</span> <span class="nx">QThreadPrivate</span><span class="o">::</span><span class="nx">start</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span>
    <span class="mh">0x3e8fcd5520</span> <span class="o"><</span><span class="nx">processManager</span><span class="p">()</span><span class="o">::</span><span class="nx">processManager</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">338</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f01f626a700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">4</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f01f4ade700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10720</span><span class="p">))</span><span class="o">:</span>

<span class="err">#</span><span class="mi">0</span>  <span class="nx">pthread_cond_wait</span><span class="err">@@</span><span class="nx">GLIBC_2</span><span class="p">.</span><span class="mf">3.2</span> <span class="p">()</span>
    <span class="nx">at</span> <span class="p">..</span><span class="o">/</span><span class="nx">nptl</span><span class="o">/</span><span class="nx">sysdeps</span><span class="o">/</span><span class="nx">unix</span><span class="o">/</span><span class="nx">sysv</span><span class="o">/</span><span class="nx">linux</span><span class="o">/</span><span class="nx">x86_64</span><span class="o">/</span><span class="nx">pthread_cond_wait</span><span class="p">.</span><span class="nx">S</span><span class="o">:</span><span class="mi">165</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e9a1868c7</span> <span class="k">in</span> <span class="nx">QTWTF</span><span class="o">::</span><span class="nx">TCMalloc_PageHeap</span><span class="o">::</span><span class="nx">scavengerThread</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span>
    <span class="mh">0x3e9a494660</span> <span class="o"><</span><span class="nx">QTWTF</span><span class="o">::</span><span class="nx">pageheap_memory</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="p">..</span><span class="o">/</span><span class="mi">3</span><span class="nx">rdparty</span><span class="o">/</span><span class="nx">javascriptcore</span><span class="o">/</span><span class="nx">JavaScriptCore</span><span class="o">/</span><span class="nx">wtf</span><span class="o">/</span><span class="nx">FastMalloc</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">2359</span>
<span class="err">#</span><span class="mi">2</span>  <span class="mh">0x0000003e9a1868f9</span> <span class="k">in</span> <span class="nx">QTWTF</span><span class="o">::</span><span class="nx">TCMalloc_PageHeap</span><span class="o">::</span><span class="nx">runScavengerThread</span> <span class="p">(</span>
    <span class="nx">context</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="p">..</span><span class="o">/</span><span class="mi">3</span><span class="nx">rdparty</span><span class="o">/</span><span class="nx">javascriptcore</span><span class="o">/</span><span class="nx">JavaScriptCore</span><span class="o">/</span><span class="nx">wtf</span><span class="o">/</span><span class="nx">FastMalloc</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">1464</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f01f4ade700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">3</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f0160857700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10734</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824e99ad</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e84847d24</span> <span class="k">in</span> <span class="nx">g_main_context_poll</span> <span class="p">(</span><span class="nx">priority</span><span class="o">=</span><span class="mi">2147483647</span><span class="p">,</span> <span class="nx">n_fds</span><span class="o">=</span><span class="mi">3</span><span class="p">,</span> 
    <span class="nx">fds</span><span class="o">=</span><span class="mh">0x7f01580010c0</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x3320680</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3584</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">g_main_context_iterate</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="mh">0x3320680</span><span class="p">,</span> <span class="nx">block</span><span class="o">=</span><span class="nx">block</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> 
    <span class="nx">dispatch</span><span class="o">=</span><span class="nx">dispatch</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">self</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3285</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e84848182</span> <span class="k">in</span> <span class="nx">g_main_loop_run</span> <span class="p">(</span><span class="nx">loop</span><span class="o">=</span><span class="mh">0x3320610</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3484</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x00007f0201964546</span> <span class="k">in</span> <span class="nx">gdbus_shared_thread_func</span> <span class="p">(</span><span class="nx">user_data</span><span class="o">=</span><span class="mh">0x3320650</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">gdbusprivate</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">277</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x0000003e8486b605</span> <span class="k">in</span> <span class="nx">g_thread_proxy</span> <span class="p">(</span><span class="nx">data</span><span class="o">=</span><span class="mh">0x3311ed0</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gthread</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">797</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f0160857700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">7</span>  <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">2</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f01ecb6f700</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10827</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824e99ad</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e84847d24</span> <span class="k">in</span> <span class="nx">g_main_context_poll</span> <span class="p">(</span><span class="nx">priority</span><span class="o">=</span><span class="mi">2147483647</span><span class="p">,</span> <span class="nx">n_fds</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> 
    <span class="nx">fds</span><span class="o">=</span><span class="mh">0x7f01640012c0</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=-</span><span class="mi">1</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x7f0164001700</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3584</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">g_main_context_iterate</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="nx">context</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mh">0x7f0164001700</span><span class="p">,</span> 
    <span class="nx">block</span><span class="o">=</span><span class="nx">block</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">dispatch</span><span class="o">=</span><span class="nx">dispatch</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">self</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3285</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e84847e44</span> <span class="k">in</span> <span class="nx">g_main_context_iteration</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="mh">0x7f0164001700</span><span class="p">,</span> 
    <span class="nx">may_block</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3351</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000003e8f9a6126</span> <span class="k">in</span> <span class="nx">QEventDispatcherGlib</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span>
    <span class="mh">0x7f016400e320</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventdispatcher_glib</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">426</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x0000003e8f97680f</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="k">this</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7f01ecb6ecd0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">149</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000003e8f976a98</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x7f01ecb6ecd0</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span>
    <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">204</span>
<span class="err">#</span><span class="mi">7</span>  <span class="mh">0x0000003e8f878980</span> <span class="k">in</span> <span class="nx">QThread</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">542</span>
<span class="err">#</span><span class="mi">8</span>  <span class="mh">0x0000003e8f95703f</span> <span class="k">in</span> <span class="nx">QInotifyFileSystemWatcherEngine</span><span class="o">::</span><span class="nx">run</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x2f33470</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">io</span><span class="o">/</span><span class="nx">qfilesystemwatcher_inotify</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">256</span>
<span class="err">#</span><span class="mi">9</span>  <span class="mh">0x0000003e8f87b95c</span> <span class="k">in</span> <span class="nx">QThreadPrivate</span><span class="o">::</span><span class="nx">start</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x2f33470</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">thread</span><span class="o">/</span><span class="nx">qthread_unix</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">338</span>
<span class="err">#</span><span class="mi">10</span> <span class="mh">0x0000003e82c07d15</span> <span class="k">in</span> <span class="nx">start_thread</span> <span class="p">(</span><span class="nx">arg</span><span class="o">=</span><span class="mh">0x7f01ecb6f700</span><span class="p">)</span>
    <span class="nx">at</span> <span class="nx">pthread_create</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">308</span>
<span class="err">#</span><span class="mi">11</span> <span class="mh">0x0000003e824f248d</span> <span class="k">in</span> <span class="nx">clone</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>

<span class="nx">Thread</span> <span class="mi">1</span> <span class="p">(</span><span class="nx">Thread</span> <span class="mh">0x7f020a17f880</span> <span class="p">(</span><span class="nx">LWP</span> <span class="mi">10696</span><span class="p">))</span><span class="o">:</span>
<span class="err">#</span><span class="mi">0</span>  <span class="mh">0x0000003e824e99ad</span> <span class="k">in</span> <span class="nx">poll</span> <span class="p">()</span> <span class="nx">from</span> <span class="o">/</span><span class="nx">lib64</span><span class="o">/</span><span class="nx">libc</span><span class="p">.</span><span class="nx">so</span><span class="p">.</span><span class="mi">6</span>
<span class="err">#</span><span class="mi">1</span>  <span class="mh">0x0000003e84847d24</span> <span class="k">in</span> <span class="nx">g_main_context_poll</span> <span class="p">(</span><span class="nx">priority</span><span class="o">=</span><span class="mi">2147483647</span><span class="p">,</span> <span class="nx">n_fds</span><span class="o">=</span><span class="mi">11</span><span class="p">,</span> 
    <span class="nx">fds</span><span class="o">=</span><span class="mh">0x38066a0</span><span class="p">,</span> <span class="nx">timeout</span><span class="o">=</span><span class="mi">999</span><span class="p">,</span> <span class="nx">context</span><span class="o">=</span><span class="mh">0x229dd20</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3584</span>
<span class="err">#</span><span class="mi">2</span>  <span class="nx">g_main_context_iterate</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="nx">context</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mh">0x229dd20</span><span class="p">,</span> <span class="nx">block</span><span class="o">=</span><span class="nx">block</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mi">1</span><span class="p">,</span> <span class="nx">dispatch</span><span class="o">=</span><span class="nx">dispatch</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="nx">self</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3285</span>
<span class="err">#</span><span class="mi">3</span>  <span class="mh">0x0000003e84847e44</span> <span class="k">in</span> <span class="nx">g_main_context_iteration</span> <span class="p">(</span><span class="nx">context</span><span class="o">=</span><span class="mh">0x229dd20</span><span class="p">,</span> 
    <span class="nx">may_block</span><span class="o">=</span><span class="mi">1</span><span class="p">)</span> <span class="nx">at</span> <span class="nx">gmain</span><span class="p">.</span><span class="nx">c</span><span class="o">:</span><span class="mi">3351</span>
<span class="err">#</span><span class="mi">4</span>  <span class="mh">0x0000003e8f9a6106</span> <span class="k">in</span> <span class="nx">QEventDispatcherGlib</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x229a9c0</span><span class="p">,</span> 
    <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventdispatcher_glib</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">424</span>
<span class="err">#</span><span class="mi">5</span>  <span class="mh">0x0000003e9266a73e</span> <span class="k">in</span> <span class="nx">QGuiEventDispatcherGlib</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span>
    <span class="k">this</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qguieventdispatcher_glib</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">207</span>
<span class="err">#</span><span class="mi">6</span>  <span class="mh">0x0000003e8f97680f</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">processEvents</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="k">this</span><span class="err">@</span><span class="nx">entry</span><span class="o">=</span>
    <span class="mh">0x7fff9b510920</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span> <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">149</span>
<span class="err">#</span><span class="mi">7</span>  <span class="mh">0x0000003e8f976a98</span> <span class="k">in</span> <span class="nx">QEventLoop</span><span class="o">::</span><span class="nx">exec</span> <span class="p">(</span><span class="k">this</span><span class="o">=</span><span class="mh">0x7fff9b510920</span><span class="p">,</span> <span class="nx">flags</span><span class="o">=</span><span class="p">...)</span>
    <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qeventloop</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">204</span>
<span class="err">#</span><span class="mi">8</span>  <span class="mh">0x0000003e8f97b888</span> <span class="k">in</span> <span class="nx">QCoreApplication</span><span class="o">::</span><span class="nx">exec</span> <span class="p">()</span>
    <span class="nx">at</span> <span class="nx">kernel</span><span class="o">/</span><span class="nx">qcoreapplication</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">1218</span>
<span class="err">#</span><span class="mi">9</span>  <span class="mh">0x00000000004356db</span> <span class="k">in</span> <span class="nx">main</span> <span class="p">(</span><span class="nx">argc</span><span class="o">=<</span><span class="nx">optimized</span> <span class="nx">out</span><span class="o">></span><span class="p">,</span> <span class="nx">argv</span><span class="o">=</span><span class="mh">0x7fff9b510c28</span><span class="p">)</span>
    <span class="nx">at</span> <span class="o">/</span><span class="nx">home</span><span class="o">/</span><span class="nx">milan</span><span class="o">/</span><span class="nx">Dev</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">rkward</span><span class="o">/</span><span class="nx">main</span><span class="p">.</span><span class="nx">cpp</span><span class="o">:</span><span class="mi">194</span>
</pre></div>


<hr/>
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