Bug 474721

Summary: Crash when using ALT + TAB
Product: [Plasma] kwin Reporter: mike+kde
Component: generalAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version: 5.27.5   
Target Milestone: ---   
Platform: Debian stable   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description mike+kde 2023-09-20 08:01:49 UTC
Application: kwin_x11 (5.27.5)

Qt Version: 5.15.8
Frameworks Version: 5.103.0
Operating System: Linux 6.1.0-11-amd64 x86_64
Windowing System: X11
Distribution: Debian GNU/Linux 12 (bookworm)
DrKonqi: 5.27.5 [CoredumpBackend]

-- Information about the crash:
asdasdasdasdasdasdasdasdasdasasdasdasdasdasdasdasdasd

The reporter is unsure if this crash is reproducible.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault

           PID: 1745 (kwin_x11)
           UID: 1000 (mj)
           GID: 1000 (mj)
        Signal: 11 (SEGV)
     Timestamp: Wed 2023-09-20 08:03:25 BST (18s ago)
  Command Line: /usr/bin/kwin_x11 --replace
    Executable: /usr/bin/kwin_x11
 Control Group: /user.slice/user-1000.slice/user@1000.service/session.slice/plasma-kwin_x11.service
          Unit: user@1000.service
     User Unit: plasma-kwin_x11.service
         Slice: user-1000.slice
     Owner UID: 1000 (mj)
       Boot ID: bb2afbb31eb148998b20268962a675bc
    Machine ID: 95d60a7547f447fdb5330f8001c9efa4
      Hostname: shpadoinkle-1
       Storage: /var/lib/systemd/coredump/core.kwin_x11.1000.bb2afbb31eb148998b20268962a675bc.1745.1695193405000000.zst (present)
  Size on Disk: 6.2M
       Message: Process 1745 (kwin_x11) of user 1000 dumped core.
                
                Module libsystemd.so.0 from deb systemd-252.12-1~deb12u1.amd64
                Module libudev.so.1 from deb systemd-252.12-1~deb12u1.amd64
                Stack trace of thread 1745:
                #0  0x00007f42f8489d3c n/a (libc.so.6 + 0x8ad3c)
                #1  0x00007f42f843af32 raise (libc.so.6 + 0x3bf32)
                #2  0x00007f42fb6deb46 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5b46)
                #3  0x00007f42f843afd0 n/a (libc.so.6 + 0x3bfd0)
                #4  0x00007f42f8489d3c n/a (libc.so.6 + 0x8ad3c)
                #5  0x00007f42f843af32 raise (libc.so.6 + 0x3bf32)
                #6  0x00007f42f843afd0 n/a (libc.so.6 + 0x3bfd0)
                #7  0x00007f42f8484da4 n/a (libc.so.6 + 0x85da4)
                #8  0x00007f42f8487468 pthread_cond_wait (libc.so.6 + 0x88468)
                #9  0x00007f42f92d1a2b _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b)
                #10 0x00007f42fac0bd58 n/a (libQt5Quick.so.5 + 0x20bd58)
                #11 0x00007f42fac0d013 n/a (libQt5Quick.so.5 + 0x20d013)
                #12 0x00007f42f99493f5 _ZN7QWindow5eventEP6QEvent (libQt5Gui.so.5 + 0x1493f5)
                #13 0x00007f42f8b62fae _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x162fae)
                #14 0x00007f42f94b16f8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b16f8)
                #15 0x00007f42f993e5cd _ZN22QGuiApplicationPrivate18processExposeEventEPN29QWindowSystemInterfacePrivate11ExposeEventE (libQt5Gui.so.5 + 0x13e5cd)
                #16 0x00007f42f9911cac _ZN22QWindowSystemInterface22sendWindowSystemEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Gui.so.5 + 0x111cac)
                #17 0x00007f42f3afbeca n/a (libQt5XcbQpa.so.5 + 0x6deca)
                #18 0x00007f42f70627a9 g_main_context_dispatch (libglib-2.0.so.0 + 0x547a9)
                #19 0x00007f42f7062a38 n/a (libglib-2.0.so.0 + 0x54a38)
                #20 0x00007f42f7062acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
                #21 0x00007f42f9509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
                #22 0x00007f42f94b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
                #23 0x00007f42f94b82d6 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2b82d6)
                #24 0x0000562c6c9202d1 n/a (kwin_x11 + 0x432d1)
                #25 0x00007f42f84261ca n/a (libc.so.6 + 0x271ca)
                #26 0x00007f42f8426285 __libc_start_main (libc.so.6 + 0x27285)
                #27 0x0000562c6c9217b1 n/a (kwin_x11 + 0x447b1)
                
                Stack trace of thread 1829:
                #0  0x00007f42ea86c5f0 n/a (libnvidia-glcore.so.525.125.06 + 0x146c5f0)
                #1  0x00007f42ea872812 n/a (libnvidia-glcore.so.525.125.06 + 0x1472812)
                #2  0x00007f42ea872aaa n/a (libnvidia-glcore.so.525.125.06 + 0x1472aaa)
                #3  0x00007f42ea87038a n/a (libnvidia-glcore.so.525.125.06 + 0x147038a)
                #4  0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #5  0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                
                Stack trace of thread 1775:
                #0  0x00007f42f84fb03f __poll (libc.so.6 + 0xfc03f)
                #1  0x00007f42f70629ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f42f7062acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f42f950984e _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30984e)
                #4  0x00007f42f94b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
                #5  0x00007f42f92cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
                #6  0x00007f42f891a487 n/a (libQt5DBus.so.5 + 0x17487)
                #7  0x00007f42f92cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #9  0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                
                Stack trace of thread 1794:
                #0  0x00007f42f84fb03f __poll (libc.so.6 + 0xfc03f)
                #1  0x00007f42f70629ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f42f7062acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f42f9509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
                #4  0x00007f42f94b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
                #5  0x00007f42f92cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
                #6  0x00007f42fa728555 n/a (libQt5Qml.so.5 + 0x328555)
                #7  0x00007f42f92cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #8  0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #9  0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                
                Stack trace of thread 6946:
                #0  0x00007f42f84fb03f __poll (libc.so.6 + 0xfc03f)
                #1  0x00007f42fb6de150 n/a (libKF5Crash.so.5 + 0x5150)
                #2  0x00007f42fb6dead6 _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5ad6)
                #3  0x00007f42f843afd0 n/a (libc.so.6 + 0x3bfd0)
                #4  0x00007f42f9965624 _ZNK7QScreen6handleEv (libQt5Gui.so.5 + 0x165624)
                #5  0x00007f42f3ad8598 _ZNK15QXcbIntegration27createPlatformOpenGLContextEP14QOpenGLContext (libQt5XcbQpa.so.5 + 0x4a598)
                #6  0x00007f42f998254d _ZN14QOpenGLContext6createEv (libQt5Gui.so.5 + 0x18254d)
                #7  0x00007f42fac079d0 n/a (libQt5Quick.so.5 + 0x2079d0)
                #8  0x00007f42fac09b35 n/a (libQt5Quick.so.5 + 0x209b35)
                #9  0x00007f42fac0a46f n/a (libQt5Quick.so.5 + 0x20a46f)
                #10 0x00007f42f92cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #11 0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #12 0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                
                Stack trace of thread 13133:
                #0  0x00007f42f84fb03f __poll (libc.so.6 + 0xfc03f)
                #1  0x00007f42f70629ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f42f7062acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f42f9509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
                #4  0x00007f42f94b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
                #5  0x00007f42f92cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
                #6  0x00007f42f92cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #7  0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #8  0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                
                Stack trace of thread 35095:
                #0  0x00007f42f84fb03f __poll (libc.so.6 + 0xfc03f)
                #1  0x00007f42f70629ae n/a (libglib-2.0.so.0 + 0x549ae)
                #2  0x00007f42f7062acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc)
                #3  0x00007f42f9509836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836)
                #4  0x00007f42f94b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b)
                #5  0x00007f42f92cab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87)
                #6  0x00007f42f92cbd43 n/a (libQt5Core.so.5 + 0xcbd43)
                #7  0x00007f42f8488044 n/a (libc.so.6 + 0x89044)
                #8  0x00007f42f85085fc n/a (libc.so.6 + 0x1095fc)
                ELF object binary architecture: AMD x86-64

[New LWP 1745]
[New LWP 1829]
[New LWP 1775]
[New LWP 1794]
[New LWP 6946]
[New LWP 13133]
[New LWP 35095]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/kwin_x11 --replace'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f42f8489d3c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
[Current thread is 1 (Thread 0x7f42f402b9c0 (LWP 1745))]
[Current thread is 1 (Thread 0x7f42f402b9c0 (LWP 1745))]

Thread 7 (Thread 0x7f42e37fe6c0 (LWP 35095)):
#0  0x00007f42f84fb03f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f42f70629ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f7062acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42f9509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f42f94b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f42f92cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f42f92cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 6 (Thread 0x7f42e2ffd6c0 (LWP 13133)):
#0  0x00007f42f84fb03f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f42f70629ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f7062acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42f9509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f42f94b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f42f92cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f42f92cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 5 (Thread 0x7f42e93ff6c0 (LWP 6946)):
[KCrash Handler]
#4  0x00007f42f9965624 in QScreen::handle() const () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#5  0x00007f42f3ad8598 in QXcbIntegration::createPlatformOpenGLContext(QOpenGLContext*) const () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#6  0x00007f42f998254d in QOpenGLContext::create() () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#7  0x00007f42fac079d0 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007f42fac09b35 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#9  0x00007f42fac0a46f in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f42f92cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#12 0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 4 (Thread 0x7f42e3fff6c0 (LWP 1794)):
#0  0x00007f42f84fb03f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f42f70629ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f7062acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42f9509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f42f94b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f42f92cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f42fa728555 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f42f92cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 3 (Thread 0x7f42f19ed6c0 (LWP 1775)):
#0  0x00007f42f84fb03f in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f42f70629ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f42f7062acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f42f950984e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f42f94b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f42f92cab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f42f891a487 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#7  0x00007f42f92cbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 2 (Thread 0x7f42e08ad6c0 (LWP 1829)):
#0  0x00007f42ea86c5f0 in ?? () from /lib/x86_64-linux-gnu/libnvidia-glcore.so.525.125.06
#1  0x00007f42ea872812 in ?? () from /lib/x86_64-linux-gnu/libnvidia-glcore.so.525.125.06
#2  0x00007f42ea872aaa in ?? () from /lib/x86_64-linux-gnu/libnvidia-glcore.so.525.125.06
#3  0x00007f42ea87038a in ?? () from /lib/x86_64-linux-gnu/libnvidia-glcore.so.525.125.06
#4  0x00007f42f8488044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f42f85085fc in ?? () from /lib/x86_64-linux-gnu/libc.so.6

Thread 1 (Thread 0x7f42f402b9c0 (LWP 1745)):
[KCrash Handler]
#4  0x00007f42f8489d3c in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x00007f42f843af32 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#6  <signal handler called>
#7  0x00007f42f8484da4 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x00007f42f8487468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x00007f42f92d1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f42fac0bd58 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f42fac0d013 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#12 0x00007f42f99493f5 in QWindow::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#13 0x00007f42f8b62fae in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f42f94b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f42f993e5cd in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f42f9911cac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#17 0x00007f42f3afbeca in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#18 0x00007f42f70627a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f42f7062a38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f42f7062acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f42f9509836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f42f94b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f42f94b82d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#24 0x0000562c6c9202d1 in ?? ()
#25 0x00007f42f84261ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#26 0x00007f42f8426285 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
#27 0x0000562c6c9217b1 in ?? ()

Reported using DrKonqi
Comment 1 Nate Graham 2023-09-20 19:15:01 UTC

*** This bug has been marked as a duplicate of bug 414805 ***