Application: kwin_x11 (5.27.5) Qt Version: 5.15.8 Frameworks Version: 5.103.0 Operating System: Linux 6.1.0-12-amd64 x86_64 Windowing System: X11 Distribution: Debian GNU/Linux 12 (bookworm) DrKonqi: 5.27.5 [CoredumpBackend] -- Information about the crash: After I switched between several applications with alt+tab, kwin crashed The reporter is unsure if this crash is reproducible. -- Backtrace: Application: KWin (kwin_x11), signal: Segmentation fault PID: 1108793 (kwin_x11) UID: 1000 (viktor) GID: 1000 (viktor) Signal: 11 (SEGV) Timestamp: Mon 2023-10-23 18:19:25 CEST (35s 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 (viktor) Boot ID: 8c60dbb41f7448beb047dfbb72b97e2a Machine ID: 4e93d27ffebc46eab3338d6f8a820150 Hostname: debian-work Storage: /var/lib/systemd/coredump/core.kwin_x11.1000.8c60dbb41f7448beb047dfbb72b97e2a.1108793.1698077965000000.zst (present) Size on Disk: 11.1M Message: Process 1108793 (kwin_x11) of user 1000 dumped core. Module libsystemd.so.0 from deb systemd-252.17-1~deb12u1.amd64 Module libudev.so.1 from deb systemd-252.17-1~deb12u1.amd64 Stack trace of thread 1108793: #0 0x00007f0c7d0aec24 pthread_sigmask (libc.so.6 + 0x8fc24) #1 0x00007f0c7d05b1b9 sigprocmask (libc.so.6 + 0x3c1b9) #2 0x00007f0c80431e9b _ZN6KCrash15setCrashHandlerEPFviE (libKF5Crash.so.5 + 0x4e9b) #3 0x00007f0c80432b3e _ZN6KCrash19defaultCrashHandlerEi (libKF5Crash.so.5 + 0x5b3e) #4 0x00007f0c7d05afd0 n/a (libc.so.6 + 0x3bfd0) #5 0x00007f0c7dcfde59 XSync (libX11.so.6 + 0x3fe59) #6 0x00007f0c738fa9a8 n/a (libGLX_mesa.so.0 + 0x429a8) #7 0x000055f7c86b7a54 n/a (kwin_x11 + 0x68a54) #8 0x00007f0c7fb8b7a5 _ZN4KWin9GLTexture4bindEv (libkwinglutils.so.14 + 0x117a5) #9 0x00007f0c7feac2d5 _ZN4KWin18ItemRendererOpenGL10renderItemEPNS_4ItemEiRK7QRegionRKNS_15WindowPaintDataE (libkwin.so.5 + 0x2ac2d5) #10 0x00007f0c7feedc26 n/a (libkwin.so.5 + 0x2edc26) #11 0x00007f0c7e0e8f4f n/a (libQt5Core.so.5 + 0x2e8f4f) #12 0x00007f0c7feb961d _ZN4KWin14WorkspaceScene8prePaintEPNS_13SceneDelegateE (libkwin.so.5 + 0x2b961d) #13 0x00007f0c7fdd81ef _ZN4KWin10Compositor12prePaintPassEPNS_11RenderLayerE (libkwin.so.5 + 0x1d81ef) #14 0x00007f0c7fddb37f _ZN4KWin10Compositor9compositeEPNS_10RenderLoopE (libkwin.so.5 + 0x1db37f) #15 0x00007f0c7fddd293 _ZN4KWin13X11Compositor9compositeEPNS_10RenderLoopE (libkwin.so.5 + 0x1dd293) #16 0x00007f0c7e0e8f4f n/a (libQt5Core.so.5 + 0x2e8f4f) #17 0x00007f0c7fd900c2 _ZN4KWin10RenderLoop14frameRequestedEPS0_ (libkwin.so.5 + 0x1900c2) #18 0x00007f0c7fde4ed3 _ZN4KWin17RenderLoopPrivate8dispatchEv (libkwin.so.5 + 0x1e4ed3) #19 0x00007f0c7e0e8f4f n/a (libQt5Core.so.5 + 0x2e8f4f) #20 0x00007f0c7e0ecd6a _ZN6QTimer7timeoutENS_14QPrivateSignalE (libQt5Core.so.5 + 0x2ecd6a) #21 0x00007f0c7e0dd50d _ZN7QObject5eventEP6QEvent (libQt5Core.so.5 + 0x2dd50d) #22 0x00007f0c7d762fae _ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent (libQt5Widgets.so.5 + 0x162fae) #23 0x00007f0c7e0b16f8 _ZN16QCoreApplication15notifyInternal2EP7QObjectP6QEvent (libQt5Core.so.5 + 0x2b16f8) #24 0x00007f0c7e108c31 _ZN14QTimerInfoList14activateTimersEv (libQt5Core.so.5 + 0x308c31) #25 0x00007f0c7e1094fc n/a (libQt5Core.so.5 + 0x3094fc) #26 0x00007f0c7bdd47a9 g_main_context_dispatch (libglib-2.0.so.0 + 0x547a9) #27 0x00007f0c7bdd4a38 n/a (libglib-2.0.so.0 + 0x54a38) #28 0x00007f0c7bdd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #29 0x00007f0c7e109836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #30 0x00007f0c7e0b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #31 0x00007f0c7e0b82d6 _ZN16QCoreApplication4execEv (libQt5Core.so.5 + 0x2b82d6) #32 0x000055f7c86922d1 n/a (kwin_x11 + 0x432d1) #33 0x00007f0c7d0461ca n/a (libc.so.6 + 0x271ca) #34 0x00007f0c7d046285 __libc_start_main (libc.so.6 + 0x27285) #35 0x000055f7c86937b1 n/a (kwin_x11 + 0x447b1) Stack trace of thread 1108810: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108801: #0 0x00007f0c7d0a46d5 n/a (libc.so.6 + 0x856d5) #1 0x00007f0c7d11b047 __poll (libc.so.6 + 0xfc047) #2 0x00007f0c7bdd49ae n/a (libglib-2.0.so.0 + 0x549ae) #3 0x00007f0c7bdd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #4 0x00007f0c7e10984e _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x30984e) #5 0x00007f0c7e0b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #6 0x00007f0c7decab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87) #7 0x00007f0c7e386487 n/a (libQt5DBus.so.5 + 0x17487) #8 0x00007f0c7decbd43 n/a (libQt5Core.so.5 + 0xcbd43) #9 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #10 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108809: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108811: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108815: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108819: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108813: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108812: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108814: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108849: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108843: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108851: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1693794: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7ded1a2b _ZN14QWaitCondition4waitEP6QMutex14QDeadlineTimer (libQt5Core.so.5 + 0xd1a2b) #3 0x00007f0c7f808085 n/a (libQt5Quick.so.5 + 0x208085) #4 0x00007f0c7f80a4b1 n/a (libQt5Quick.so.5 + 0x20a4b1) #5 0x00007f0c7decbd43 n/a (libQt5Core.so.5 + 0xcbd43) #6 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #7 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108845: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108844: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108846: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108848: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108847: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108838: #0 0x00007f0c7d11b05f __poll (libc.so.6 + 0xfc05f) #1 0x00007f0c7bdd49ae n/a (libglib-2.0.so.0 + 0x549ae) #2 0x00007f0c7bdd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #3 0x00007f0c7e109836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #4 0x00007f0c7e0b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #5 0x00007f0c7decab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87) #6 0x00007f0c7f328555 n/a (libQt5Qml.so.5 + 0x328555) #7 0x00007f0c7decbd43 n/a (libQt5Core.so.5 + 0xcbd43) #8 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #9 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108850: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108862: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1108852: #0 0x00007f0c7d11b05f __poll (libc.so.6 + 0xfc05f) #1 0x00007f0c7bdd49ae n/a (libglib-2.0.so.0 + 0x549ae) #2 0x00007f0c7bdd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #3 0x00007f0c7e109836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #4 0x00007f0c7e0b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #5 0x00007f0c7decab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87) #6 0x00007f0c7decbd43 n/a (libQt5Core.so.5 + 0xcbd43) #7 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #8 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1178154: #0 0x00007f0c7d11b05f __poll (libc.so.6 + 0xfc05f) #1 0x00007f0c7bdd49ae n/a (libglib-2.0.so.0 + 0x549ae) #2 0x00007f0c7bdd4acc g_main_context_iteration (libglib-2.0.so.0 + 0x54acc) #3 0x00007f0c7e109836 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5 + 0x309836) #4 0x00007f0c7e0b017b _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5 + 0x2b017b) #5 0x00007f0c7decab87 _ZN7QThread4execEv (libQt5Core.so.5 + 0xcab87) #6 0x00007f0c7f328555 n/a (libQt5Qml.so.5 + 0x328555) #7 0x00007f0c7decbd43 n/a (libQt5Core.so.5 + 0xcbd43) #8 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #9 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) Stack trace of thread 1693793: #0 0x00007f0c7d0a4da6 n/a (libc.so.6 + 0x85da6) #1 0x00007f0c7d0a7468 pthread_cond_wait (libc.so.6 + 0x88468) #2 0x00007f0c7090c059 n/a (iris_dri.so + 0x10c059) #3 0x00007f0c708be17b n/a (iris_dri.so + 0xbe17b) #4 0x00007f0c7090bf97 n/a (iris_dri.so + 0x10bf97) #5 0x00007f0c7d0a8044 n/a (libc.so.6 + 0x89044) #6 0x00007f0c7d12861c n/a (libc.so.6 + 0x10961c) ELF object binary architecture: AMD x86-64 [New LWP 1108793] [New LWP 1108810] [New LWP 1108801] [New LWP 1108809] [New LWP 1108811] [New LWP 1108815] [New LWP 1108819] [New LWP 1108813] [New LWP 1108812] [New LWP 1108814] [New LWP 1108849] [New LWP 1108843] [New LWP 1108851] [New LWP 1693794] [New LWP 1108845] [New LWP 1108844] [New LWP 1108846] [New LWP 1108848] [New LWP 1108847] [New LWP 1108838] [New LWP 1108850] [New LWP 1108862] [New LWP 1108852] [New LWP 1178154] [New LWP 1693793] [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 0x00007f0c7d0aec24 in pthread_sigmask () from /lib/x86_64-linux-gnu/libc.so.6 [Current thread is 1 (Thread 0x7f0c78d7f9c0 (LWP 1108793))] [Current thread is 1 (Thread 0x7f0c78d7f9c0 (LWP 1108793))] Thread 25 (Thread 0x7f0bdffff6c0 (LWP 1693793)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 24 (Thread 0x7f0bdeffd6c0 (LWP 1178154)): #0 0x00007f0c7d11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7bdd49ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f0c7bdd4acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f0c7e109836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f0c7e0b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f0c7decab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f0c7f328555 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f0c7decbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 23 (Thread 0x7f0c197fa6c0 (LWP 1108852)): #0 0x00007f0c7d11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7bdd49ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f0c7bdd4acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f0c7e109836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f0c7e0b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f0c7decab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f0c7decbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #8 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 22 (Thread 0x7f0c32bfd6c0 (LWP 1108862)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 21 (Thread 0x7f0c1a7fc6c0 (LWP 1108850)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 20 (Thread 0x7f0c337fe6c0 (LWP 1108838)): #0 0x00007f0c7d11b05f in poll () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7bdd49ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f0c7bdd4acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f0c7e109836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #4 0x00007f0c7e0b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f0c7decab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f0c7f328555 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5 #7 0x00007f0c7decbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #8 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 19 (Thread 0x7f0c1bfff6c0 (LWP 1108847)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 18 (Thread 0x7f0c1b7fe6c0 (LWP 1108848)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 17 (Thread 0x7f0c30bf96c0 (LWP 1108846)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 16 (Thread 0x7f0c31bfb6c0 (LWP 1108844)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 15 (Thread 0x7f0c313fa6c0 (LWP 1108845)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 14 (Thread 0x7f0bcc9fd6c0 (LWP 1693794)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7ded1a2b in QWaitCondition::wait(QMutex*, QDeadlineTimer) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #3 0x00007f0c7f808085 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #4 0x00007f0c7f80a4b1 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5 #5 0x00007f0c7decbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 13 (Thread 0x7f0c19ffb6c0 (LWP 1108851)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 12 (Thread 0x7f0c323fc6c0 (LWP 1108843)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 11 (Thread 0x7f0c1affd6c0 (LWP 1108849)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 10 (Thread 0x7f0c60dfa6c0 (LWP 1108814)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 9 (Thread 0x7f0c61dfc6c0 (LWP 1108812)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 8 (Thread 0x7f0c615fb6c0 (LWP 1108813)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 7 (Thread 0x7f0c4f7fe6c0 (LWP 1108819)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 6 (Thread 0x7f0c4ffff6c0 (LWP 1108815)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 5 (Thread 0x7f0c625fd6c0 (LWP 1108811)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 4 (Thread 0x7f0c635ff6c0 (LWP 1108809)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 3 (Thread 0x7f0c733ff6c0 (LWP 1108801)): #0 0x00007f0c7d0a46d5 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d11b047 in poll () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7bdd49ae in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f0c7bdd4acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f0c7e10984e in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #5 0x00007f0c7e0b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #6 0x00007f0c7decab87 in QThread::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #7 0x00007f0c7e386487 in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5 #8 0x00007f0c7decbd43 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #9 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #10 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 2 (Thread 0x7f0c62dfe6c0 (LWP 1108810)): #0 0x00007f0c7d0a4da6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f0c7d0a7468 in pthread_cond_wait () from /lib/x86_64-linux-gnu/libc.so.6 #2 0x00007f0c7090c059 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #3 0x00007f0c708be17b in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #4 0x00007f0c7090bf97 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so #5 0x00007f0c7d0a8044 in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #6 0x00007f0c7d12861c in ?? () from /lib/x86_64-linux-gnu/libc.so.6 Thread 1 (Thread 0x7f0c78d7f9c0 (LWP 1108793)): [KCrash Handler] #5 0x00007f0c7dcfde59 in XSync () from /lib/x86_64-linux-gnu/libX11.so.6 #6 0x00007f0c738fa9a8 in ?? () from /lib/x86_64-linux-gnu/libGLX_mesa.so.0 #7 0x000055f7c86b7a54 in ?? () #8 0x00007f0c7fb8b7a5 in KWin::GLTexture::bind() () from /lib/x86_64-linux-gnu/libkwinglutils.so.14 #9 0x00007f0c7feac2d5 in KWin::ItemRendererOpenGL::renderItem(KWin::Item*, int, QRegion const&, KWin::WindowPaintData const&) () from /lib/x86_64-linux-gnu/libkwin.so.5 #10 0x00007f0c7feedc26 in ?? () from /lib/x86_64-linux-gnu/libkwin.so.5 #11 0x00007f0c7e0e8f4f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #12 0x00007f0c7feb961d in KWin::WorkspaceScene::prePaint(KWin::SceneDelegate*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #13 0x00007f0c7fdd81ef in KWin::Compositor::prePaintPass(KWin::RenderLayer*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #14 0x00007f0c7fddb37f in KWin::Compositor::composite(KWin::RenderLoop*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #15 0x00007f0c7fddd293 in KWin::X11Compositor::composite(KWin::RenderLoop*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #16 0x00007f0c7e0e8f4f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #17 0x00007f0c7fd900c2 in KWin::RenderLoop::frameRequested(KWin::RenderLoop*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #18 0x00007f0c7fde4ed3 in KWin::RenderLoopPrivate::dispatch() () from /lib/x86_64-linux-gnu/libkwin.so.5 #19 0x00007f0c7e0e8f4f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #20 0x00007f0c7e0ecd6a in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #21 0x00007f0c7e0dd50d in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #22 0x00007f0c7d762fae in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5 #23 0x00007f0c7e0b16f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #24 0x00007f0c7e108c31 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #25 0x00007f0c7e1094fc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #26 0x00007f0c7bdd47a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #27 0x00007f0c7bdd4a38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #28 0x00007f0c7bdd4acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #29 0x00007f0c7e109836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #30 0x00007f0c7e0b017b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #31 0x00007f0c7e0b82d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5 #32 0x000055f7c86922d1 in ?? () #33 0x00007f0c7d0461ca in ?? () from /lib/x86_64-linux-gnu/libc.so.6 #34 0x00007f0c7d046285 in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #35 0x000055f7c86937b1 in ?? () Reported using DrKonqi
Created attachment 163570 [details] New crash information added by DrKonqi kwin_x11 (5.27.5) using Qt 5.15.8 Hitting Alt-tab immediately crashed KWIN every time, making Alt-Tab useless. -- Backtrace (Reduced): #5 0x00007feee52fde19 in XStringListToTextProperty () from /lib/x86_64-linux-gnu/libX11.so.6 [...] #8 0x00007feee71747a5 in KWin::GLTexture::bind() () from /lib/x86_64-linux-gnu/libkwinglutils.so.14 #9 0x00007feee74ac2d5 in KWin::ItemRendererOpenGL::renderItem(KWin::Item*, int, QRegion const&, KWin::WindowPaintData const&) () from /lib/x86_64-linux-gnu/libkwin.so.5 [...] #12 0x00007feee74b961d in KWin::WorkspaceScene::prePaint(KWin::SceneDelegate*) () from /lib/x86_64-linux-gnu/libkwin.so.5 #13 0x00007feee73d81ef in KWin::Compositor::prePaintPass(KWin::RenderLayer*) () from /lib/x86_64-linux-gnu/libkwin.so.5
*** This bug has been marked as a duplicate of bug 477576 ***