[akregator] [Bug 381423] New: Crash when adding RSS; crash every restart or launch

Tim LePés bugzilla_noreply at kde.org
Tue Jun 20 02:49:58 BST 2017 

https://bugs.kde.org/show_bug.cgi?id=381423

            Bug ID: 381423
           Summary: Crash when adding RSS; crash every restart or launch
           Product: akregator
           Version: unspecified
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: timlepes at gmail.com
  Target Milestone: ---

Application: akregator (5.5.2)

Qt Version: 5.9.0
Frameworks Version: 5.35.0
Operating System: Linux 4.11.5-1-ARCH x86_64
Distribution: "Arch Linux"

-- Information about the crash:
- What I was doing when the application crashed:

Looking at Martin Graesslin's blog and deciding, as a KDE Plasma user, I should
subscribe to his RSS feed.  As soon as I hit the "Subscribe Now" in Firefox
(54.0 64bit) I got a system notification that Akregator crashed.  I tried
restarting the applicaiton from the crash dialog, starting from the launcher,
and by hitting the "Subscribe Now" button in Firefox again.  Each time, it
crashed immediately.  So I ran it from the command line and got this output:

$ akregator
Invalid Context= "Apps" line for icon theme: 
"/usr/share/icons/Paper/512x512 at 2x/apps/"
Invalid Context= "Mimetypes" line for icon theme: 
"/usr/share/icons/Paper/512x512 at 2x/mimetypes/"
Invalid Context= "Mimetypes" line for icon theme: 
"/usr/share/icons/Paper/scalable/mimetypes/"
org.kde.pim.webengineviewer:  It's not necessary to check database now
Error loading text-to-speech plug-in "flite"
 void AdblockManager::reloadConfig() false    AdBlock::AdblockManager(0xcd4260)
"Tag 'a' is not defined in message {<__kuit_internal_top__>For more information
about using Akregator, check the <a ...}."
"Tag 'a' is not defined in message {<__kuit_internal_top__>For more information
about using Akregator, check the <a ...}."
org.kde.pim.webengineviewer: Database already initialized. It's a bug in code
if you call it twice.
 void AdblockManager::reloadConfig() false    AdBlock::AdblockManager(0xe05ab0)
"Tag 'a' is not defined in message {<__kuit_internal_top__>For more information
about using Akregator, check the <a ...}."
"Tag 'a' is not defined in message {<__kuit_internal_top__>For more information
about using Akregator, check the <a ...}."
 void AdblockManager::reloadConfig() false    AdBlock::AdblockManager(0xe8ad90)
bool DBusMenuExporterDBus::AboutToShow(int): Condition failed: menu
bool DBusMenuExporterDBus::AboutToShow(int): Condition failed: menu
bool DBusMenuExporterDBus::AboutToShow(int): Condition failed: menu
"https://www.archlinux.org/feeds/news/"
"http://www.kde.org/dotkdeorg.rdf"
"http://planetkde.org/rss20.xml"
"https://www.linux.com/rss/feeds.php"
"http://pim.planetkde.org/rss20.xml"
"https://store.kde.org/content.rdf"
"http://planetkde.org/pt-br/rss20.xml"
"http://planet.kde-espana.org/atom.xml"
"https://fr.planetkde.org/rss20.xml"
"https://www.linux.com/feeds/news/rss"
"https://www.linux.com/feeds/blogs/open-source-professionals/rss"
"https://www.linux.com/feeds/tutorials/rss"
"https://feeds.feedburner.com/linuxtoday/linux?format=xml"
"https://linuxgizmos.com/feed/"
"https://lwn.net/headlines/rss"
"http://lxer.com/module/newswire/headlines.rss"
"https://opensource.com/feed"
"http://feeds.maketecheasier.com/MakeTechEasier"
"https://www.digitalocean.com/community/tutorials/feed"
"http://torrentfreak.com/category/dvdrip/feed/"
"https://insights.hpe.com/bin/rss"
 void AdblockManager::reloadConfig() false    AdBlock::AdblockManager(0xfbff70)
[2066:2066:0100/000000.309319:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2067:2067:0100/000000.309321:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2079:2079:0100/000000.309353:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2071:2071:0100/000000.309439:ERROR:broker_posix.cc(41)] Invalid node channel
message
KCrash: Application 'akregator' crashing...
KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
[2061:2061:0100/000000.310735:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2070:2070:0100/000000.312136:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2063:2063:0100/000000.315324:ERROR:broker_posix.cc(41)] Invalid node channel
message
[2078:2078:0100/000000.323665:ERROR:broker_posix.cc(41)] Invalid node channel
message

[1]+  Stopped                 akregator

My distro is Arch Linux...
Kernel: x86_64 Linux 4.11.5-1-ARCH
KDE 5.35.0 / Plasma 5.10.2

Apparently after I got my prompt back in the shell, I got a bunch of this
[warn] epoll_wait: Bad file descriptor stuff followed by a segfault
(akregator)...

[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
Unable to start Dr. Konqi
Re-raising signal for core dump handling.
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
[warn] epoll_wait: Bad file descriptor
^C
[1]+  Segmentation fault      (core dumped) akregator

I think the Dr. Konqi error is because I am still filling out this crash
report.  I was just getting started with Akgregator... it would be a shame if I
can't use it.  Let me know what else I may try or infos I can gather that may
help.  And thanks!

- Custom settings of the application:

$ cat .config/akregatorrc 

[$Version]
update_info=fonts_akregator.upd:Plasma_Fonts_Akregator

[Appearance]
Fixed Font=Hack
Sans Serif Font=Noto Sans
Serif Font=Noto Sans
Standard Font=Noto Sans

[ConfigurePluginsWidget]
splitter=49,49

[General]
ArticleListFeedHeaders=AAAA/wAAAAAAAAABAAAAAQAAAAMBAAAAAAAAAAAAAAAEAgAAAAEAAAABAAAAZAAAA/QAAAAEAQEAAAAAAAAAAAAAAAAAAGT/////AAAAgQAAAAAAAAAEAAACQQAAAAEAAAAAAAAAAAAAAAEAAAAAAAABJQAAAAEAAAAAAAAAjgAAAAEAAAAAAAAD6AAAAABk
ArticleListGroupHeaders=AAAA/wAAAAAAAAABAAAAAQAAAAMBAAAAAAAAAAAAAAAAAAAAAAAAAqgAAAAEAQEAAAAAAAAAAAAAAAAAAGT/////AAAAgQAAAAAAAAAEAAABUgAAAAEAAAAAAAAAZAAAAAEAAAAAAAAAZAAAAAEAAAAAAAAAjgAAAAEAAAAAAAAD6AAAAABk
SubscriptionListHeaders=AAAA/wAAAAAAAAABAAAAAQAAAAAAAAAAAAAAAAAAAAADBgAAAAIAAAACAAAAZAAAAAEAAAADAAAAZAAAAAMBAAABAAAAAAAAAAAAAAAAZP////8AAACBAAAAAAAAAAMAAABkAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAQAAAAAAAAPoAAAAAGQ=

[HTML Settings]
Fonts=Noto Sans,Hack,Noto Sans,Noto Sans,Noto Sans,Noto Sans,0
MinimumFontSize=10

[MainWindow]
Height 1080=1009
Height 1350=1271
Height 1620=1525
MenuBar=Disabled
State=AAAA/wAAAAD9AAAAAAAACWAAAASyAAAABAAAAAQAAAAIAAAACPwAAAABAAAAAgAAAAEAAAAWAG0AYQBpAG4AVABvAG8AbABCAGEAcgEAAAAA/////wAAAAAAAAAA
ToolBarsMovable=Disabled
Width 1920=1920
Width 2400=2400
Width 2880=2880

[Migratekde4]
Version=1

[MimePartTree]
State=\x00\x00\x00�\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04�\x00\x00\x00\x03\x01\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00d����\x00\x00\x00�\x00\x00\x00\x03\x00\x00\x00\x03\x00\x00\x00h\x00\x00\x00\x01\x00\x00\x00\x03\x00\x00\x002\x00\x00\x00\x01\x00\x00\x00\x03\x00\x00\x04a\x00\x00\x00\x01\x00\x00\x00\x03\x00\x00\x03�\x00����

[Reader]
attachment-strategy=smart
header-plugin-style-name=standards-header

[View]
Splitter 1 Sizes=271,783
Splitter 2 Sizes=535,670

The crash can be reproduced every time.

-- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f078d3f9900 (LWP 1191))]

Thread 22 (Thread 0x7f06e1e8c700 (LWP 1219)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f0775b68ac4 in ?? () from /usr/lib/libQt5Script.so.5
#2  0x00007f0775b68b09 in ?? () from /usr/lib/libQt5Script.so.5
#3  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 21 (Thread 0x7f06ebfff700 (LWP 1213)):
#0  0x00007f07892a92bd in poll () from /usr/lib/libc.so.6
#1  0x00007f0781474bf9 in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007f0781474d0c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#3  0x00007f0789bd1e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#4  0x00007f0789b7821a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#5  0x00007f078999a40a in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007f078999ecbd in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 20 (Thread 0x7f0734ff9700 (LWP 1212)):
#0  0x00007f0767cf26ea in ?? () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#1  0x00007f0767cf55eb in ?? () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#2  0x00007f0767cf5989 in ?? () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#3  0x00007f0767cf620a in ?? () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#4  0x00007f076ff1f99c in pa_mainloop_dispatch () from /usr/lib/libpulse.so.0
#5  0x00007f076ff1fd9c in pa_mainloop_iterate () from /usr/lib/libpulse.so.0
#6  0x00007f076ff1fe40 in pa_mainloop_run () from /usr/lib/libpulse.so.0
#7  0x00007f076ff2de29 in ?? () from /usr/lib/libpulse.so.0
#8  0x00007f0767d05fe8 in ?? () from /usr/lib/pulseaudio/libpulsecommon-10.0.so
#9  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 19 (Thread 0x7f07357fa700 (LWP 1211)):
#0  0x00007f07892c004b in __lll_lock_wait_private () from /usr/lib/libc.so.6
#1  0x00007f07892c1d04 in __fprintf_chk () from /usr/lib/libc.so.6
#2  0x00007f076d519b3e in ?? () from /usr/lib/libevent-2.0.so.5
#3  0x00007f076d519d34 in event_warn () from /usr/lib/libevent-2.0.so.5
#4  0x00007f076d51e4b8 in ?? () from /usr/lib/libevent-2.0.so.5
#5  0x00007f076d50845a in event_base_loop () from /usr/lib/libevent-2.0.so.5
#6  0x00007f0778919fe9 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 18 (Thread 0x7f0735ffb700 (LWP 1210)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 17 (Thread 0x7f07367fc700 (LWP 1209)):
#0  0x00007f07836d26cc in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f0778977ab2 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ebde in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f0778919a3b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 16 (Thread 0x7f0736ffd700 (LWP 1208)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f07791d9800 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077894a441 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#5  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 15 (Thread 0x7f07377fe700 (LWP 1207)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 14 (Thread 0x7f0737fff700 (LWP 1206)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f07789491c5 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f07789496a7 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f077894a441 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 13 (Thread 0x7f073cff9700 (LWP 1205)):
#0  0x00007f07892c004b in __lll_lock_wait_private () from /usr/lib/libc.so.6
#1  0x00007f07892c1d04 in __fprintf_chk () from /usr/lib/libc.so.6
#2  0x00007f076d519b3e in ?? () from /usr/lib/libevent-2.0.so.5
#3  0x00007f076d519d34 in event_warn () from /usr/lib/libevent-2.0.so.5
#4  0x00007f076d51e4b8 in ?? () from /usr/lib/libevent-2.0.so.5
#5  0x00007f076d50845a in event_base_loop () from /usr/lib/libevent-2.0.so.5
#6  0x00007f077891a123 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f07781d0108 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f07781d06bb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#14 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 12 (Thread 0x7f073d7fa700 (LWP 1204)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f07781d0058 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07781d06ab in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 11 (Thread 0x7f073dffb700 (LWP 1203)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f07781cffa8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07781d069b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 10 (Thread 0x7f073e7fc700 (LWP 1202)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f07781cfef8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07781d068b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 9 (Thread 0x7f073effd700 (LWP 1201)):
#0  0x00007f07892a508d in write () from /usr/lib/libc.so.6
#1  0x00007f078923a26d in _IO_new_file_write () from /usr/lib/libc.so.6
#2  0x00007f078923954f in new_do_write () from /usr/lib/libc.so.6
#3  0x00007f078923aa2e in __GI__IO_file_xsputn () from /usr/lib/libc.so.6
#4  0x00007f0789211a7b in buffered_vfprintf () from /usr/lib/libc.so.6
#5  0x00007f078920edee in vfprintf () from /usr/lib/libc.so.6
#6  0x00007f07892c1d56 in __fprintf_chk () from /usr/lib/libc.so.6
#7  0x00007f076d519b3e in ?? () from /usr/lib/libevent-2.0.so.5
#8  0x00007f076d519d34 in event_warn () from /usr/lib/libevent-2.0.so.5
#9  0x00007f076d51e4b8 in ?? () from /usr/lib/libevent-2.0.so.5
#10 0x00007f076d50845a in event_base_loop () from /usr/lib/libevent-2.0.so.5
#11 0x00007f077891a03d in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#12 0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#13 0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#14 0x00007f07781cfe48 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#15 0x00007f07781d067b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#16 0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#17 0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#18 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#19 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 8 (Thread 0x7f073f7fe700 (LWP 1200)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f07781cfd98 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07781d066b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f077894aab8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#11 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 7 (Thread 0x7f073ffff700 (LWP 1199)):
#0  0x00007f07836d26cc in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f0778977ab2 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077894dcc9 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f077894e22b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 6 (Thread 0x7f074c862700 (LWP 1198)):
#0  0x00007f07836d26cc in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f0778977ab2 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077894dcc9 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f077894e22b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 5 (Thread 0x7f074d063700 (LWP 1197)):
#0  0x00007f07836d239d in pthread_cond_wait@@GLIBC_2.3.2 () from
/usr/lib/libpthread.so.0
#1  0x00007f077893ec59 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#2  0x00007f077893ec87 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#3  0x00007f07789199eb in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#4  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#5  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#6  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#9  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 4 (Thread 0x7f074da71700 (LWP 1196)):
#0  0x00007f07892c004b in __lll_lock_wait_private () from /usr/lib/libc.so.6
#1  0x00007f07892c1d04 in __fprintf_chk () from /usr/lib/libc.so.6
#2  0x00007f076d519b3e in ?? () from /usr/lib/libevent-2.0.so.5
#3  0x00007f076d519d34 in event_warn () from /usr/lib/libevent-2.0.so.5
#4  0x00007f076d51e4b8 in ?? () from /usr/lib/libevent-2.0.so.5
#5  0x00007f076d50845a in event_base_loop () from /usr/lib/libevent-2.0.so.5
#6  0x00007f077891a03d in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#7  0x00007f07789162b8 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#8  0x00007f0778932e9b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#9  0x00007f077894aa06 in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#10 0x00007f0778946b0b in ?? () from /usr/lib/libQt5WebEngineCore.so.5
#11 0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#12 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 3 (Thread 0x7f0754c3c700 (LWP 1193)):
#0  0x00007f07814b9a44 in g_mutex_unlock () from /usr/lib/libglib-2.0.so.0
#1  0x00007f07814743d9 in g_main_context_query () from
/usr/lib/libglib-2.0.so.0
#2  0x00007f0781474b77 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x00007f0781474d0c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#4  0x00007f0789bd1e9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#5  0x00007f0789b7821a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#6  0x00007f078999a40a in QThread::exec() () from /usr/lib/libQt5Core.so.5
#7  0x00007f078b572d45 in ?? () from /usr/lib/libQt5DBus.so.5
#8  0x00007f078999ecbd in ?? () from /usr/lib/libQt5Core.so.5
#9  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#10 0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7f075dbd8700 (LWP 1192)):
#0  0x00007f07892a92bd in poll () from /usr/lib/libc.so.6
#1  0x00007f078120d8e0 in ?? () from /usr/lib/libxcb.so.1
#2  0x00007f078120f679 in xcb_wait_for_event () from /usr/lib/libxcb.so.1
#3  0x00007f075fce8d49 in ?? () from /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f078999ecbd in ?? () from /usr/lib/libQt5Core.so.5
#5  0x00007f07836cc297 in start_thread () from /usr/lib/libpthread.so.0
#6  0x00007f07892b325f in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7f078d3f9900 (LWP 1191)):
[KCrash Handler]
#5  0x0000000000000130 in ?? ()
#6  0x00007f0789b8bf13 in QMetaObject::invokeMethod(QObject*, char const*,
Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument,
QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from
/usr/lib/libQt5Core.so.5
#7  0x00007f0754164e79 in Akregator::MainWidget::slotFramesChanged() () from
/usr/lib/qt/plugins/akregatorpart.so
#8  0x00007f0789ba857f in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#9  0x00007f078cc9a2d1 in Akregator::FrameManager::signalFrameRemoved(int) ()
from /usr/lib/libakregatorprivate.so.5
#10 0x00007f078cc5d412 in Akregator::FrameManager::slotRemoveFrame(int) () from
/usr/lib/libakregatorprivate.so.5
#11 0x00007f0789ba857f in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/libQt5Core.so.5
#12 0x00007f075417d361 in ?? () from /usr/lib/qt/plugins/akregatorpart.so
#13 0x00007f0754169420 in Akregator::MainWidget::slotOnShutdown() () from
/usr/lib/qt/plugins/akregatorpart.so
#14 0x00007f075416965d in Akregator::MainWidget::~MainWidget() () from
/usr/lib/qt/plugins/akregatorpart.so
#15 0x00007f0754169689 in Akregator::MainWidget::~MainWidget() () from
/usr/lib/qt/plugins/akregatorpart.so
#16 0x00007f0789ba603b in QObjectPrivate::deleteChildren() () from
/usr/lib/libQt5Core.so.5
#17 0x00007f078a8e0acc in QWidget::~QWidget() () from
/usr/lib/libQt5Widgets.so.5
#18 0x00007f075412cca1 in ?? () from /usr/lib/qt/plugins/akregatorpart.so
#19 0x00007f0789ba8e90 in QObject::event(QEvent*) () from
/usr/lib/libQt5Core.so.5
#20 0x00007f078a8e5473 in QWidget::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#21 0x00007f078a9c42de in QFrame::event(QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#22 0x00007f078a8a446c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib/libQt5Widgets.so.5
#23 0x00007f078a8abcf4 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libQt5Widgets.so.5
#24 0x00007f0789b79b98 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib/libQt5Core.so.5
#25 0x00007f0789b7c02d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#26 0x00007f0789bd1a63 in ?? () from /usr/lib/libQt5Core.so.5
#27 0x00007f0781474a47 in g_main_context_dispatch () from
/usr/lib/libglib-2.0.so.0
#28 0x00007f0781474c78 in ?? () from /usr/lib/libglib-2.0.so.0
#29 0x00007f0781474d0c in g_main_context_iteration () from
/usr/lib/libglib-2.0.so.0
#30 0x00007f0789bd1e7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/libQt5Core.so.5
#31 0x00007f0789b7821a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQt5Core.so.5
#32 0x00007f0789b80a74 in QCoreApplication::exec() () from
/usr/lib/libQt5Core.so.5
#33 0x00000000004084a9 in ?? ()
#34 0x00007f07891e643a in __libc_start_main () from /usr/lib/libc.so.6
#35 0x000000000040860a in _start ()

Reported using DrKonqi

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