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qt5 programs crash on my computer.
When I run
$ texworks
it pops up a black window, and then results in a bus error and no other things are prompted.
So do other qt5 programs like qt5ct.
GDB shows that there is something wrong with libqt5gui.so.5
(gdb) r
Starting program: /usr/bin/texworks
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[New Thread 0x7ffff0905700 (LWP 15710)]
[New Thread 0x7fffea8b8700 (LWP 15711)]
[New Thread 0x7fffea0b7700 (LWP 15712)]
[New Thread 0x7fffe9874700 (LWP 15713)]
[New Thread 0x7fffe8884700 (LWP 15714)]
[New Thread 0x7fffdbfff700 (LWP 15715)]
[New Thread 0x7fffd99cb700 (LWP 15717)]
Thread 1 "texworks" received signal SIGBUS, Bus error.
0x00007ffff7354f75 in ?? () from /usr/lib/libQt5Gui.so.5
Last edited by wycero (2019-05-04 04:45:37)
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Which qt5 theme do you have configured? What was the end result of your attempts to configure this?
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Which qt5 theme do you have configured? What was the end result of your attempts to configure this?
thanks4helping me
my configuration was qt5ct+gtk2
It worked for a while but it's suddenly broken today.
then i forcefully cancelled the theme
$ export -p QT_QPA_PLATFORMTHEME
and on the same terminal,i tested it again,it was still not working
Perhaps it's because of a broken upgrade,but reinstalling Qt5 is useless.
Last edited by wycero (2019-05-03 13:50:28)
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Post the full backtrace, not just one line
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The problem is magically solved when i reboot.
Coredump:
PID: 15706 (texworks)
UID: 1000 (wycero)
GID: 998 (wheel)
Signal: 7 (BUS)
Timestamp: Fri 2019-05-03 21:36:05 CST (15h ago)
Command Line: /usr/bin/texworks
Executable: /usr/bin/texworks
Control Group: /user.slice/user-1000.slice/user@1000.service/gnome-terminal-server.service
Unit: user@1000.service
User Unit: gnome-terminal-server.service
Slice: user-1000.slice
Owner UID: 1000 (wycero)
Boot ID: 441a1e397edd47f7bcbb9105d327f0d9
Machine ID: 0261e072b573440da2e97002b1199fda
Hostname: wycerolinux
Storage: /var/lib/systemd/coredump/core.texworks.1000.441a1e397edd47f7bcbb9105d327f0d9.15706.1556890565000000.lz4
Message: Process 15706 (texworks) of user 1000 dumped core.
Stack trace of thread 15706:
#0 0x00007ffff7354f75 n/a (libQt5Gui.so.5)
#1 0x00007ffff7215d83 n/a (libQt5Gui.so.5)
#2 0x00007ffff72174d6 _ZN18QRasterPaintEngine8fillRectERK6QRectFP9QSpanData (libQt5Gui.so.5)
#3 0x00007ffff723325c _ZN8QPainter8fillRectERK5QRectRK6QBrush (libQt5Gui.so.5)
#4 0x00007ffff75e5e13 _ZNK14QWidgetPrivate15paintBackgroundEP8QPainterRK7QRegioni (libQt5Widgets.so.5)
#5 0x00007ffff75ea239 _ZN14QWidgetPrivate10drawWidgetEP12QPaintDeviceRK7QRegionRK6QPointiP8QPainterP19QWidgetBackingStore (libQt5Widgets.so.5)
#6 0x00007ffff75bfff1 n/a (libQt5Widgets.so.5)
#7 0x00007ffff75c0236 n/a (libQt5Widgets.so.5)
#8 0x00007ffff760e21f n/a (libQt5Widgets.so.5)
#9 0x00007ffff760ed16 n/a (libQt5Widgets.so.5)
#10 0x00007ffff75afda4 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5)
#11 0x00007ffff75b73c1 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#12 0x00007ffff6be4849 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5)
#13 0x00007ffff6fbc741 _ZN22QGuiApplicationPrivate18processExposeEventEPN29QWindowSystemInterfacePrivate11ExposeEventE (libQt5Gui.so.5)
#14 0x00007ffff6fbc9de _ZN22QGuiApplicationPrivate24processWindowSystemEventEPN29QWindowSystemInterfacePrivate17WindowSystemEventE (libQt5Gui.so.5)
#15 0x00007ffff6f95d9c _ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Gui.so.5)
#16 0x00007ffff1663b8c n/a (libQt5XcbQpa.so.5)
#17 0x00007ffff58937bf g_main_context_dispatch (libglib-2.0.so.0)
#18 0x00007ffff5895739 n/a (libglib-2.0.so.0)
#19 0x00007ffff589577e g_main_context_iteration (libglib-2.0.so.0)
#20 0x00007ffff6c39969 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#21 0x00007ffff6be34dc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#22 0x00007ffff6beb596 _ZN16QCoreApplication4execEv (libQt5Core.so.5)
#23 0x00005555555e23ce main (texworks)
#24 0x00007ffff643cce3 __libc_start_main (libc.so.6)
#25 0x00005555555e27de _start (texworks)
Stack trace of thread 15712:
#0 0x00007ffff65090d1 __poll (libc.so.6)
#1 0x00007ffff5895690 n/a (libglib-2.0.so.0)
#2 0x00007ffff589577e g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007fffea8c5bde n/a (libdconfsettings.so)
#4 0x00007ffff5870c21 n/a (libglib-2.0.so.0)
#5 0x00007ffff6390a92 start_thread (libpthread.so.0)
#6 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15711:
#0 0x00007ffff65090d1 __poll (libc.so.6)
#1 0x00007ffff5895690 n/a (libglib-2.0.so.0)
#2 0x00007ffff589577e g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007ffff58957d2 n/a (libglib-2.0.so.0)
#4 0x00007ffff5870c21 n/a (libglib-2.0.so.0)
#5 0x00007ffff6390a92 start_thread (libpthread.so.0)
#6 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15714:
#0 0x00007ffff650e97d syscall (libc.so.6)
#1 0x00007ffff5844141 g_cond_wait_until (libglib-2.0.so.0)
#2 0x00007ffff58c52e3 n/a (libglib-2.0.so.0)
#3 0x00007ffff58c54e3 g_async_queue_timeout_pop (libglib-2.0.so.0)
#4 0x00007ffff5869d6a n/a (libglib-2.0.so.0)
#5 0x00007ffff5870c21 n/a (libglib-2.0.so.0)
#6 0x00007ffff6390a92 start_thread (libpthread.so.0)
#7 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15715:
#0 0x00007ffff65090d1 __poll (libc.so.6)
#1 0x00007ffff5895690 n/a (libglib-2.0.so.0)
#2 0x00007ffff589577e g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007ffff6c39969 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5)
#4 0x00007ffff6be34dc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5)
#5 0x00007ffff6a28239 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007ffff7adaba6 n/a (libQt5DBus.so.5)
#7 0x00007ffff6a2963c n/a (libQt5Core.so.5)
#8 0x00007ffff6390a92 start_thread (libpthread.so.0)
#9 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15713:
#0 0x00007ffff65090d1 __poll (libc.so.6)
#1 0x00007ffff5895690 n/a (libglib-2.0.so.0)
#2 0x00007ffff58966d2 g_main_loop_run (libglib-2.0.so.0)
#3 0x00007fffeb4a0568 n/a (libgio-2.0.so.0)
#4 0x00007ffff5870c21 n/a (libglib-2.0.so.0)
#5 0x00007ffff6390a92 start_thread (libpthread.so.0)
#6 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15710:
#0 0x00007ffff65090d1 __poll (libc.so.6)
#1 0x00007ffff2d56630 n/a (libxcb.so.1)
#2 0x00007ffff2d582db xcb_wait_for_event (libxcb.so.1)
#3 0x00007ffff1662b69 n/a (libQt5XcbQpa.so.5)
#4 0x00007ffff6a2963c n/a (libQt5Core.so.5)
#5 0x00007ffff6390a92 start_thread (libpthread.so.0)
#6 0x00007ffff6513cd3 __clone (libc.so.6)
Stack trace of thread 15717:
#0 0x00007ffff6396bac pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007fffd9fa5254 n/a (i965_dri.so)
#2 0x00007fffd9fa4f78 n/a (i965_dri.so)
#3 0x00007ffff6390a92 start_thread (libpthread.so.0)
#4 0x00007ffff6513cd3 __clone (libc.so.6)
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I am getting the same crashes in qt5, with a lot of programs like LibreOffice, konsole, plasmashell and digikam, example:
Any ideas? The system is freshly rebooted.
Mai 24 22:34:02 r systemd-coredump[3881]: Process 2156 (konsole) of user 1000 dumped core.
Stack trace of thread 2156:
#0 0x00007fe434e17fa8 n/a (libQt5Gui.so.5)
#1 0x00007fe434cd8d83 n/a (libQt5Gui.so.5)
#2 0x00007fe434cda4d6 _ZN18QRasterPaintEngine8fillRectERK6QRectFP9QSpanData (libQt5G>
#3 0x00007fe434cf6345 _ZN8QPainter8fillRectERK5QRectRK6QColor (libQt5Gui.so.5)
#4 0x00007fe42e95416b n/a (libQt5XcbQpa.so.5)
#5 0x00007fe434c1fb1a _ZN13QBackingStore10beginPaintERK7QRegion (libQt5Gui.so.5)
#6 0x00007fe435084d8d n/a (libQt5Widgets.so.5)
#7 0x00007fe435085379 n/a (libQt5Widgets.so.5)
#8 0x00007fe43509d337 _ZN14QWidgetPrivate16syncBackingStoreEv (libQt5Widgets.so.5)
#9 0x00007fe4350d04c4 n/a (libQt5Widgets.so.5)
#10 0x00007fe4350d3d97 n/a (libQt5Widgets.so.5)
#11 0x00007fe435074da4 _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (lib>
#12 0x00007fe43507c3c1 _ZN12QApplication6notifyEP7QObjectP6QEvent (libQt5Widgets.so.5)
#13 0x00007fe4346a7849 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQ>
#14 0x00007fe434a7ae4c _ZN22QGuiApplicationPrivate26processGeometryChangeEventEPN29QW>
#15 0x00007fe434a7fa5e _ZN22QGuiApplicationPrivate24processWindowSystemEventEPN29QWin>
#16 0x00007fe434a58d9c _ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN1>
#17 0x00007fe42e963b8c n/a (libQt5XcbQpa.so.5)
#18 0x00007fe4328a990f g_main_context_dispatch (libglib-2.0.so.0)
#19 0x00007fe4328ab869 n/a (libglib-2.0.so.0)
#20 0x00007fe4328ab8ae g_main_context_iteration (libglib-2.0.so.0)
#21 0x00007fe4346fc969 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop>
#22 0x00007fe4346a64dc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5C>
#23 0x00007fe4346ae596 _ZN16QCoreApplication4execEv (libQt5Core.so.5)
#24 0x00007fe435f68c90 kdemain (libkdeinit5_konsole.so)
#25 0x00007fe435d9fce3 __libc_start_main (libc.so.6)
#26 0x000055708532105e _start (konsole)
Stack trace of thread 2157:
#0 0x00007fe435e6c0d1 __poll (libc.so.6)
#1 0x00007fe43359d630 n/a (libxcb.so.1)
#2 0x00007fe43359f2db xcb_wait_for_event (libxcb.so.1)
#3 0x00007fe42e962b69 n/a (libQt5XcbQpa.so.5)
#4 0x00007fe4344ec63c n/a (libQt5Core.so.5)
#5 0x00007fe433374a92 start_thread (libpthread.so.0)
#6 0x00007fe435e76cd3 __clone (libc.so.6)
Stack trace of thread 2158:
#0 0x00007fe435e6c0d1 __poll (libc.so.6)
#1 0x00007fe4328ab7c0 n/a (libglib-2.0.so.0)
#2 0x00007fe4328ab8ae g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007fe4346fc969 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop>
#4 0x00007fe4346a64dc _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5C>
#5 0x00007fe4344eb239 _ZN7QThread4execEv (libQt5Core.so.5)
#6 0x00007fe433c89ba6 n/a (libQt5DBus.so.5)
#7 0x00007fe4344ec63c n/a (libQt5Core.so.5)
#8 0x00007fe433374a92 start_thread (libpthread.so.0)
#9 0x00007fe435e76cd3 __clone (libc.so.6)
Stack trace of thread 2159:
#0 0x00007fe43337abac pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0)
#1 0x00007fe42639f2e4 n/a (i965_dri.so)
#2 0x00007fe42639f008 n/a (i965_dri.so)
#3 0x00007fe433374a92 start_thread (libpthread.so.0)
#4 0x00007fe435e76cd3 __clone (libc.so.6)
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Sorry for the follow up, the problem was a full /tmp partition. I guess this is why it got "magically" solved in the previous post.
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