[k3b] [Bug 435099] New: Crash whilst attempting to burn ISO to DVD-R

bugzilla_noreply at kde.org bugzilla_noreply at kde.org
Mon Mar 29 10:59:47 BST 2021


https://bugs.kde.org/show_bug.cgi?id=435099

            Bug ID: 435099
           Summary: Crash whilst attempting to burn ISO to DVD-R
           Product: k3b
           Version: 19.12
          Platform: Mint (Ubuntu based)
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: Burning/Hardware
          Assignee: k3b at kde.org
          Reporter: Trailiebiker01 at yahoo.co.uk
                CC: michalm at jabster.pl, trueg at kde.org
  Target Milestone: ---

SUMMARY
Failed to burn ISO data to DVD-R, application crashed without warning

STEPS TO REPRODUCE
1. Initiate K3b
2. Load DVD-R into drive
3. select "Burn ISO" and avigate to directory containing ISO, click on "Burn"
icon

OBSERVED RESULT
DVD drive ran for a few seconds; modal dialog appeared; DVD ejected (empty) and
app closed.

EXPECTED RESULT
DVD-R with LMDE 4 ISO

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Mint 20.1
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
===================================================================
 Info                                                              
===================================================================
           PID: 4253 (k3b)
           UID: 1000 (derek)
           GID: 1000 (derek)
        Signal: 11 (SEGV)
     Timestamp: Mon 2021-03-29 09:59:24 BST (18min ago)
  Command Line: k3b burn:///
    Executable: /usr/bin/k3b
 Control Group: /user.slice/user-1000.slice/session-c2.scope
          Unit: session-c2.scope
         Slice: user-1000.slice
       Session: c2
     Owner UID: 1000 (derek)
       Boot ID: c44b5972e364478ab33cf1c1f48f6e61
    Machine ID: b76cc7b1bbdc489e93909d2043031de8
      Hostname: SOLENT9
       Storage:
/var/lib/systemd/coredump/core.k3b.1000.c44b5972e364478ab33cf1c1f48f6e61.4253.1617008364000000000000.lz4
       Message: Process 4253 (k3b) of user 1000 dumped core.

                Stack trace of thread 4253:
                #0  0x00007f7c641fb545
_ZN11QMetaObject12invokeMethodEP7QObjectPKcN2Qt14ConnectionTypeE22QGenericReturnArgument16QGenericArgumentS7_S7_S7_S7_S7_S7_S7_S7_S7_
(libQt5Core.so.5 + 0x296545)
                #1  0x0000564f5538b9bc n/a (k3b + 0x949bc)
                #2  0x0000564f553764c2 n/a (k3b + 0x7f4c2)
                #3  0x00007f7c63bb70b3 __libc_start_main (libc.so.6 + 0x270b3)
                #4  0x0000564f5537671e _start (k3b + 0x7f71e)

                Stack trace of thread 4271:
                #0  0x00007f7c63ca5aff __GI___poll (libc.so.6 + 0x115aff)
                #1  0x00007f7c5e77ac1a n/a (libxcb.so.1 + 0xbc1a)
                #2  0x00007f7c5e77c90a xcb_wait_for_event (libxcb.so.1 +
0xd90a)
                #3  0x00007f7c5a77e298 n/a (libQt5XcbQpa.so.5 + 0x78298)
                #4  0x00007f7c640239d2 n/a (libQt5Core.so.5 + 0xbe9d2)
                #5  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #6  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4275:
                #0  0x00007f7c63ca5aff __GI___poll (libc.so.6 + 0x115aff)
                #1  0x00007f7c5ecd036e n/a (libglib-2.0.so.0 + 0x5236e)
                #2  0x00007f7c5ecd04a3 g_main_context_iteration
(libglib-2.0.so.0 + 0x524a3)
                #3  0x00007f7c5ecd04f1 n/a (libglib-2.0.so.0 + 0x524f1)
                #4  0x00007f7c5ecf9ad1 n/a (libglib-2.0.so.0 + 0x7bad1)
                #5  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #6  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4281:
                #0  0x00007f7c63ca5aff __GI___poll (libc.so.6 + 0x115aff)
                #1  0x00007f7c5ecd036e n/a (libglib-2.0.so.0 + 0x5236e)
                #2  0x00007f7c5ecd04a3 g_main_context_iteration
(libglib-2.0.so.0 + 0x524a3)
                #3  0x00007f7c64243565
_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE
(libQt5Core.so.5 + 0x2de565)
                #4  0x00007f7c641ea4db
_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 +
0x2854db)
                #5  0x00007f7c64022785 _ZN7QThread4execEv (libQt5Core.so.5 +
0xbd785)
                #6  0x00007f7c6514befa n/a (libQt5DBus.so.5 + 0x17efa)
                #7  0x00007f7c640239d2 n/a (libQt5Core.so.5 + 0xbe9d2)
                #8  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #9  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4286:
                #0  0x00007f7c5f555376 futex_wait_cancelable (libpthread.so.0 +
0x10376)
                #1  0x00007f7c51511e6b n/a (i965_dri.so + 0x55ae6b)
                #2  0x00007f7c51511a6b n/a (i965_dri.so + 0x55aa6b)
                #3  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #4  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4287:
                #0  0x00007f7c5f555376 futex_wait_cancelable (libpthread.so.0 +
0x10376)
                #1  0x00007f7c51511e6b n/a (i965_dri.so + 0x55ae6b)
                #2  0x00007f7c51511a6b n/a (i965_dri.so + 0x55aa6b)
                #3  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #4  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4276:
                #0  0x00007f7c63ca5aff __GI___poll (libc.so.6 + 0x115aff)
                #1  0x00007f7c5ecd036e n/a (libglib-2.0.so.0 + 0x5236e)
                #2  0x00007f7c5ecd06f3 g_main_loop_run (libglib-2.0.so.0 +
0x526f3)
                #3  0x00007f7c5e0b2f8a n/a (libgio-2.0.so.0 + 0x11ef8a)
                #4  0x00007f7c5ecf9ad1 n/a (libglib-2.0.so.0 + 0x7bad1)
                #5  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #6  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4288:
                #0  0x00007f7c5f555376 futex_wait_cancelable (libpthread.so.0 +
0x10376)
                #1  0x00007f7c51511e6b n/a (i965_dri.so + 0x55ae6b)
                #2  0x00007f7c51511a6b n/a (i965_dri.so + 0x55aa6b)
                #3  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #4  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)

                Stack trace of thread 4289:
                #0  0x00007f7c5f555376 futex_wait_cancelable (libpthread.so.0 +
0x10376)
                #1  0x00007f7c51511e6b n/a (i965_dri.so + 0x55ae6b)
                #2  0x00007f7c51511a6b n/a (i965_dri.so + 0x55aa6b)
                #3  0x00007f7c5f54e609 start_thread (libpthread.so.0 + 0x9609)
                #4  0x00007f7c63cb2293 __clone (libc.so.6 + 0x122293)
===================================================================
 GDB Log                                                           
===================================================================
[New LWP 4253]
[New LWP 4271]
[New LWP 4275]
[New LWP 4281]
[New LWP 4286]
[New LWP 4287]
[New LWP 4276]
[New LWP 4288]
[New LWP 4289]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `k3b burn:///'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
[Current thread is 1 (Thread 0x7f7c5ae3ab40 (LWP 4253))]

===================================================================
 GDB Backtrace                                                     
===================================================================
[New LWP 4253]
[New LWP 4271]
[New LWP 4275]
[New LWP 4281]
[New LWP 4286]
[New LWP 4287]
[New LWP 4276]
[New LWP 4288]
[New LWP 4289]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `k3b burn:///'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
[Current thread is 1 (Thread 0x7f7c5ae3ab40 (LWP 4253))]
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x0000564f5538b9bc in ?? ()
#2  0x0000564f553764c2 in ?? ()
#3  0x00007f7c63bb70b3 in __libc_start_main (main=0x564f55374eb0, argc=2,
argv=0x7fff02160fe8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff02160fd8) at ../csu/libc-start.c:308
#4  0x0000564f5537671e in _start ()

===================================================================
 GDB Backtrace (all threads)                                       
===================================================================
[New LWP 4253]
[New LWP 4271]
[New LWP 4275]
[New LWP 4281]
[New LWP 4286]
[New LWP 4287]
[New LWP 4276]
[New LWP 4288]
[New LWP 4289]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `k3b burn:///'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
[Current thread is 1 (Thread 0x7f7c5ae3ab40 (LWP 4253))]

Thread 9 (Thread 0x7f7c42ffd700 (LWP 4289)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x564f558fcb18) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f558fcac8,
cond=0x564f558fcaf0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f7c5f555050 <__condvar_cleanup_waiting>, __arg
= 0x7f7c42ffc970, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 6, cond = 0x564f558fcaf0, mutex = 0x564f558fcac8,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 6
        seq = 3
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x564f558fcaf0, mutex=0x564f558fcac8) at
pthread_cond_wait.c:638
No locals.
#3  0x00007f7c51511e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#4  0x00007f7c51511a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171676735232,
1278223078167114429, 140733228382478, 140733228382479, 140733228382480,
140171676732352, -1205367240403488067, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 8 (Thread 0x7f7c437fe700 (LWP 4288)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x564f558fcb18) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f558fcac8,
cond=0x564f558fcaf0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f7c5f555050 <__condvar_cleanup_waiting>, __arg
= 0x7f7c437fd970, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 4, cond = 0x564f558fcaf0, mutex = 0x564f558fcac8,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 4
        seq = 2
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x564f558fcaf0, mutex=0x564f558fcac8) at
pthread_cond_wait.c:638
No locals.
#3  0x00007f7c51511e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#4  0x00007f7c51511a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171685127936,
1278223078167114429, 140733228382478, 140733228382479, 140733228382480,
140171685125056, -1205363941331733827, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 7 (Thread 0x7f7c537fe700 (LWP 4276)):
#0  0x00007f7c63ca5aff in __GI___poll (fds=0x564f559aa0a0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f7c5ecd036e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f7c5ecd06f3 in g_main_loop_run () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f7c5e0b2f8a in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007f7c5ecf9ad1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171953563392,
1278223078167114429, 140733228382094, 140733228382095, 140733228382240,
140171953560512, -1205399125703822659, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 6 (Thread 0x7f7c43fff700 (LWP 4287)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x564f558fcb18) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f558fcac8,
cond=0x564f558fcaf0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f7c5f555050 <__condvar_cleanup_waiting>, __arg
= 0x7f7c43ffe970, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 2, cond = 0x564f558fcaf0, mutex = 0x564f558fcac8,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 2
        seq = 1
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x564f558fcaf0, mutex=0x564f558fcac8) at
pthread_cond_wait.c:638
No locals.
#3  0x00007f7c51511e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#4  0x00007f7c51511a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171693520640,
1278223078167114429, 140733228382478, 140733228382479, 140733228382480,
140171693517760, -1205365040306490691, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 5 (Thread 0x7f7c50e56700 (LWP 4286)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x564f558fcb18) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x564f558fcac8,
cond=0x564f558fcaf0) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7f7c5f555050 <__condvar_cleanup_waiting>, __arg
= 0x7f7c50e55970, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x564f558fcaf0, mutex = 0x564f558fcac8,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x564f558fcaf0, mutex=0x564f558fcac8) at
pthread_cond_wait.c:638
No locals.
#3  0x00007f7c51511e6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#4  0x00007f7c51511a6b in ?? () from /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171909883648,
1278223078167114429, 140733228382478, 140733228382479, 140733228382480,
140171909880768, -1205406878119791939, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 4 (Thread 0x7f7c527fc700 (LWP 4281)):
#0  0x00007f7c63ca5aff in __GI___poll (fds=0x7f7c3c017de0, nfds=4, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f7c5ecd036e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f7c5ecd04a3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f7c64243565 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#4  0x00007f7c641ea4db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007f7c64022785 in QThread::exec() () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#6  0x00007f7c6514befa in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
No symbol table info available.
#7  0x00007f7c640239d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#8  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171936777984,
1278223078167114429, 140733228386750, 140733228386751, 140733228386944,
140171936775104, -1205401325800820035, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#9  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 3 (Thread 0x7f7c53fff700 (LWP 4275)):
#0  0x00007f7c63ca5aff in __GI___poll (fds=0x564f55998160, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f7c5ecd036e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007f7c5ecd04a3 in g_main_context_iteration () from
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007f7c5ecd04f1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007f7c5ecf9ad1 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140171961956096,
1278223078167114429, 140733228381662, 140733228381663, 140733228381808,
140171961953216, -1205400224678579523, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 2 (Thread 0x7f7c59f7f700 (LWP 4271)):
#0  0x00007f7c63ca5aff in __GI___poll (fds=0x7f7c59f7e968, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007f7c5e77ac1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#2  0x00007f7c5e77c90a in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
No symbol table info available.
#3  0x00007f7c5a77e298 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
No symbol table info available.
#4  0x00007f7c640239d2 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#5  0x00007f7c5f54e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140172062095104,
1278223078167114429, 140733228386366, 140733228386367, 140733228386560,
140172062092224, -1205386961819569475, -1205390509548670275}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
        not_first_call = 0
#6  0x00007f7c63cb2293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.

Thread 1 (Thread 0x7f7c5ae3ab40 (LWP 4253)):
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#1  0x0000564f5538b9bc in ?? ()
No symbol table info available.
#2  0x0000564f553764c2 in ?? ()
No symbol table info available.
#3  0x00007f7c63bb70b3 in __libc_start_main (main=0x564f55374eb0, argc=2,
argv=0x7fff02160fe8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff02160fd8) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94898733590400,
1278223078167114429, 94898732099312, 140733228388320, 0, 0,
-1278128176004107587, -1205295190964342083}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x2, 0x7fff02160fe8}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 2}}}
        not_first_call = <optimized out>
#4  0x0000564f5537671e in _start ()
No symbol table info available.
#0  0x00007f7c641fb545 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#1  0x0000564f5538b9bc in ?? ()
#2  0x0000564f553764c2 in ?? ()
#3  0x00007f7c63bb70b3 in __libc_start_main (main=0x564f55374eb0, argc=2,
argv=0x7fff02160fe8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fff02160fd8) at ../csu/libc-start.c:308
#4  0x0000564f5537671e in _start ()

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