Application: kwin_x11 (5.8.2) Qt Version: 5.7.0 Frameworks Version: 5.27.0 Operating System: Linux 4.8.2-1-ARCH x86_64 Distribution (Platform): Archlinux Packages -- Information about the crash: - What I was doing when the application crashed: I had just logged into KDE Plasma. had restarted after a seres of updates, includng a kernel update. The crash can be reproduced sometimes. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/usr/lib/libthread_db.so.1". [Current thread is 1 (Thread 0x7fca518b6840 (LWP 440))] Thread 6 (Thread 0x7fca17fff700 (LWP 568)): #0 0x00007fca4a59d10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fca4d8e1ac4 in () at /usr/lib/libQt5Script.so.5 #2 0x00007fca4d8e1b09 in () at /usr/lib/libQt5Script.so.5 #3 0x00007fca4a597454 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fca512f17df in clone () at /usr/lib/libc.so.6 Thread 5 (Thread 0x7fca2085e700 (LWP 566)): [KCrash Handler] #6 0x00007fca4e7f08b9 in QRingBuffer::chop(long long) () at /usr/lib/libQt5Core.so.5 #7 0x00007fca4e877fc6 in QIODevice::read(char*, long long) () at /usr/lib/libQt5Core.so.5 #8 0x00007fca4e878647 in QIODevice::readAll() () at /usr/lib/libQt5Core.so.5 #9 0x00007fca50ee90eb in () at /usr/lib/libkwin.so.5 #10 0x00007fca50eea4c2 in () at /usr/lib/libkwin.so.5 #11 0x00007fca4e76d01f in () at /usr/lib/libQt5Core.so.5 #12 0x00007fca4e770d78 in () at /usr/lib/libQt5Core.so.5 #13 0x00007fca4a597454 in start_thread () at /usr/lib/libpthread.so.0 #14 0x00007fca512f17df in clone () at /usr/lib/libc.so.6 Thread 4 (Thread 0x7fca21264700 (LWP 558)): #0 0x00007fca4a59d10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fca2d32d4d3 in () at /usr/lib/xorg/modules/dri/r600_dri.so #2 0x00007fca2d32cc17 in () at /usr/lib/xorg/modules/dri/r600_dri.so #3 0x00007fca4a597454 in start_thread () at /usr/lib/libpthread.so.0 #4 0x00007fca512f17df in clone () at /usr/lib/libc.so.6 Thread 3 (Thread 0x7fca35032700 (LWP 532)): #0 0x00007ffc7251fb02 in clock_gettime () #1 0x00007fca512fe6b6 in clock_gettime () at /usr/lib/libc.so.6 #2 0x00007fca4e8161a1 in () at /usr/lib/libQt5Core.so.5 #3 0x00007fca4e99d3a9 in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5 #4 0x00007fca4e99d955 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5 #5 0x00007fca4e99c694 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #6 0x00007fca4e94923a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5 #7 0x00007fca4e76c0f3 in QThread::exec() () at /usr/lib/libQt5Core.so.5 #8 0x00007fca484bce55 in () at /usr/lib/libQt5DBus.so.5 #9 0x00007fca4e770d78 in () at /usr/lib/libQt5Core.so.5 #10 0x00007fca4a597454 in start_thread () at /usr/lib/libpthread.so.0 #11 0x00007fca512f17df in clone () at /usr/lib/libc.so.6 Thread 2 (Thread 0x7fca36f53700 (LWP 511)): #0 0x00007fca512e848d in poll () at /usr/lib/libc.so.6 #1 0x00007fca5042d8e0 in () at /usr/lib/libxcb.so.1 #2 0x00007fca5042f679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1 #3 0x00007fca379ff449 in () at /usr/lib/libQt5XcbQpa.so.5 #4 0x00007fca4e770d78 in () at /usr/lib/libQt5Core.so.5 #5 0x00007fca4a597454 in start_thread () at /usr/lib/libpthread.so.0 #6 0x00007fca512f17df in clone () at /usr/lib/libc.so.6 Thread 1 (Thread 0x7fca518b6840 (LWP 440)): #0 0x00007fca4a59d10f in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0 #1 0x00007fca4e771c2b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib/libQt5Core.so.5 #2 0x00007fca4e76c772 in QThreadPoolPrivate::waitForDone(int) () at /usr/lib/libQt5Core.so.5 #3 0x00007fca4e76cb71 in QThreadPool::waitForDone(int) () at /usr/lib/libQt5Core.so.5 #4 0x00007fca4e94c825 in QCoreApplication::~QCoreApplication() () at /usr/lib/libQt5Core.so.5 #5 0x00007fca4f62b881 in QApplication::~QApplication() () at /usr/lib/libQt5Widgets.so.5 #6 0x00007fca515ae934 in () at /usr/lib/libkdeinit5_kwin_x11.so #7 0x00007fca515b04e5 in kdemain () at /usr/lib/libkdeinit5_kwin_x11.so #8 0x00007fca51229291 in __libc_start_main () at /usr/lib/libc.so.6 #9 0x000000000040069a in _start () Reported using DrKonqi
Unfortunately the backtrace lacks debug symbols. Due to that we only see that it crashed (in Qt) but don't know which code caused it. Please install debug symbols for KWin and Qt and attach a new backtrace.
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 30 days. The bug is now closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging Thank you for helping us make KDE software even better for everyone!