https://bugs.kde.org/show_bug.cgi?id=364101
Bug ID: 364101 Summary: Crash unlocking original session Product: kwin Version: 5.5.5 Platform: Ubuntu Packages OS: Linux Status: UNCONFIRMED Keywords: drkonqi Severity: crash Priority: NOR Component: general Assignee: kwin-bugs-n...@kde.org Reporter: k...@kolivas.org Application: kwin_x11 (5.5.5) Qt Version: 5.5.1 Operating System: Linux 4.6.0-ck1 x86_64 Distribution: Ubuntu 16.04 LTS -- Information about the crash: - What I was doing when the application crashed: I had a second session with differnt user running (with xfce) and switched back to the original kde5 session and unlocked it when it crashed. Presence of 4k monitor may be relevant. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fa75dccd940 (LWP 13464))] Thread 5 (Thread 0x7fa73d244700 (LWP 13484)): #0 0x00007fa75d7bad13 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fa75bfbf10f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) (nfds=15, fdread=fdread@entry=0x7fa730000a98, fdwrite=fdwrite@entry=0x7fa730000d28, fdexcept=fdexcept@entry=0x7fa730000fb8, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:75 #2 0x00007fa75bfc0c0e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (timeout=0x0, exceptfds=0x7fa730000fb8, writefds=0x7fa730000d28, readfds=0x7fa730000a98, nfds=<optimized out>, this=0x7fa7300008e0) at kernel/qeventdispatcher_unix.cpp:320 #3 0x00007fa75bfc0c0e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (this=this@entry=0x7fa730000900, flags=..., flags@entry=..., timeout=timeout@entry=0x0) at kernel/qeventdispatcher_unix.cpp:196 #4 0x00007fa75bfc113e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa7300008e0, flags=...) at kernel/qeventdispatcher_unix.cpp:607 #5 0x00007fa75bf6adea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa73d243c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #6 0x00007fa75bd878a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #7 0x00007fa75689d3c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007fa75bd8c84e in QThreadPrivate::start(void*) (arg=0x1e8b950) at thread/qthread_unix.cpp:331 #9 0x00007fa7577406fa in start_thread (arg=0x7fa73d244700) at pthread_create.c:333 #10 0x00007fa75d7c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 4 (Thread 0x7fa737303700 (LWP 13504)): #0 0x00007fa7577463a0 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa75af14bd4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #2 0x00007fa75af14c19 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5 #3 0x00007fa7577406fa in start_thread (arg=0x7fa737303700) at pthread_create.c:333 #4 0x00007fa75d7c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 3 (Thread 0x7fa737b0c700 (LWP 22005)): #0 0x00007fa75d7bad13 in select () at ../sysdeps/unix/syscall-template.S:84 #1 0x00007fa75bfbf10f in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) (nfds=14, fdread=fdread@entry=0x7fa72c000a78, fdwrite=fdwrite@entry=0x7fa72c000d08, fdexcept=fdexcept@entry=0x7fa72c000f98, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:75 #2 0x00007fa75bfc0c0e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (timeout=0x0, exceptfds=0x7fa72c000f98, writefds=0x7fa72c000d08, readfds=0x7fa72c000a78, nfds=<optimized out>, this=0x7fa72c0008c0) at kernel/qeventdispatcher_unix.cpp:320 #3 0x00007fa75bfc0c0e in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (this=this@entry=0x7fa72c0008e0, flags=..., flags@entry=..., timeout=timeout@entry=0x0) at kernel/qeventdispatcher_unix.cpp:196 #4 0x00007fa75bfc113e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fa72c0008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607 #5 0x00007fa75bf6adea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fa737b0bc60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #6 0x00007fa75bd878a4 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503 #7 0x00007fa75689d3c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5 #8 0x00007fa75bd8c84e in QThreadPrivate::start(void*) (arg=0x308cb30) at thread/qthread_unix.cpp:331 #9 0x00007fa7577406fa in start_thread (arg=0x7fa737b0c700) at pthread_create.c:333 #10 0x00007fa75d7c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 2 (Thread 0x7fa73dd12700 (LWP 22006)): #0 0x00007fa7577463a0 in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fa75bd8daeb in QWaitCondition::wait(QMutex*, unsigned long) (time=18446744073709551615, this=0x2fcbd40) at thread/qwaitcondition_unix.cpp:136 #2 0x00007fa75bd8daeb in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x33dbfa0, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:208 #3 0x00007fa756d8492e in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007fa756d851b3 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007fa75bd8c84e in QThreadPrivate::start(void*) (arg=0x33dbf20) at thread/qthread_unix.cpp:331 #6 0x00007fa7577406fa in start_thread (arg=0x7fa73dd12700) at pthread_create.c:333 #7 0x00007fa75d7c4b5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 Thread 1 (Thread 0x7fa75dccd940 (LWP 13464)): [KCrash Handler] #6 0x00007fa75d75ce19 in __memcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:37 #7 0x00007fa7572ec356 in KWin::GLVertexBuffer::setData(int, int, float const*, float const*) () at /usr/lib/x86_64-linux-gnu/libkwinglutils.so.7 #8 0x00007fa75d3711bd in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #9 0x00007fa75d375915 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #10 0x00007fa75d35f0d5 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #11 0x00007fa75d370993 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #12 0x00007fa75d359e64 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #13 0x00007fa75d38715f in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #14 0x00007fa75b522a6f in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.7 #15 0x00007fa75d38710a in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #16 0x00007fa75b522a6f in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.7 #17 0x00007fa75d38710a in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #18 0x00007fa75b522a6f in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.7 #19 0x00007fa75d38710a in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #20 0x00007fa75b522a6f in KWin::Effect::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwineffects.so.7 #21 0x00007fa75d38710a in KWin::EffectsHandlerImpl::paintScreen(int, QRegion, KWin::ScreenPaintData&) () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #22 0x00007fa75d359ada in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #23 0x00007fa75d3763c0 in () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #24 0x00007fa75d3517f9 in KWin::Compositor::performCompositing() () at /usr/lib/x86_64-linux-gnu/libkwin.so.5 #25 0x00007fa75bf9ce53 in QObject::event(QEvent*) (this=0x1e1e7a0, e=<optimized out>) at kernel/qobject.cpp:1261 #26 0x00007fa75c86005c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x1cc5b70, receiver=receiver@entry=0x1e1e7a0, e=e@entry=0x7ffe54b05350) at kernel/qapplication.cpp:3716 #27 0x00007fa75c865516 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe54b05580, receiver=0x1e1e7a0, e=0x7ffe54b05350) at kernel/qapplication.cpp:3499 #28 0x00007fa75bf6d62b in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffe54b05580, receiver=0x1e1e7a0, event=event@entry=0x7ffe54b05350) at kernel/qcoreapplication.cpp:965 #29 0x00007fa75bfc289d in QTimerInfoList::activateTimers() (event=0x7ffe54b05350, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224 #30 0x00007fa75bfc289d in QTimerInfoList::activateTimers() (this=0x1d21528) at kernel/qtimerinfo_unix.cpp:637 #31 0x00007fa75bfc0640 in QEventDispatcherUNIX::activateTimers() (this=this@entry=0x1d27560) at kernel/qeventdispatcher_unix.cpp:549 #32 0x00007fa75bfc10b6 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1d27560, flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:611 #33 0x00007fa745e1a38d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:62 #34 0x00007fa75bf6adea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe54b054a0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #35 0x00007fa75bf72e8c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229 #36 0x00007fa75da8c504 in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so #37 0x00007fa75d6de830 in __libc_start_main (main=0x400780 <main>, argc=3, argv=0x7ffe54b056e8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe54b056d8) at ../csu/libc-start.c:291 #38 0x00000000004007b9 in _start () Reported using DrKonqi -- You are receiving this mail because: You are watching all bug changes.