SUMMARY kwin_wayland randomly crashed. I was using Plasma normally, and the only application open was Firefox. A short time after I clicked an unloaded tab, the crash occurred. Journal log and backtrace are in "additional information". STEPS TO REPRODUCE 1. Use external monitor with laptop monitor disabled. Only Firefox open. 2. Wait for random crash. OBSERVED RESULT Kwin crashes, taking all applications with it. After the crash, it is possible to start applications via KRunner and shortcuts. Panels disappear, wallpaper is gone. EXPECTED RESULT No crash. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kernel 5.16.9-arch1-1, Plasma 5.24.1 (available in About System) KDE Plasma Version: 5.24.1 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.2 ADDITIONAL INFORMATION *Journal log from the crash:* 17/02/2022 13:03 kernel audit: type=1130 audit(1645099415.441:143): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@0-3700-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' 17/02/2022 13:03 systemd-coredump Process 766 (kwin_wayland) of user 1000 dumped core. 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Module libKScreenLocker.so.5 with build-id 799784aef52c5f182a9229674d3046c8742be45a Module libkdecorations2private.so.9 with build-id a4ab6fba7fe068966e473feba1543a557b25e05c Module libkdecorations2.so.5 with build-id 414719c6e54ae142db781413d97327cf84f75688 Module libdbus-1.so.3 with build-id 74f2ab9c60512f3a93c932c3f627564d42e0b11e Module libbrotlidec.so.1 with build-id 45defc036e918e0140a72f1fbce6e7692d38241d Module libharfbuzz.so.0 with build-id 716df25c59c91f456ae107457e4250f7c32bde1b Module libpng16.so.16 with build-id 2dc0bce07f199bf983c07a05fb95a6f4af83a9b3 Module libbz2.so.1.0 with build-id 919597c477c9b2cb9cdbb7745ed6494ac0e6da60 Module libz.so.1 with build-id 0c1459c56513efd5d53eb3868290e9afee6a6a26 Module libpthread.so.0 with build-id 7fa8b52fae071a370ba4ca32bf9490a30aff31c4 Module libexpat.so.1 with build-id c3b8b6921f5b323540b84acd301ccc7bc5bc0428 Module libQt5X11Extras.so.5 with build-id 15391ece1569cf0dc6458ec05be60a05dbc398e3 Module libX11.so.6 with build-id 5ba5798d193c0065014b8c6252a0678671c8d478 Module libc.so.6 with build-id 85766e9d8458b16e9c7ce6e07c712c02b8471dbc Module libm.so.6 with build-id 596b63a006a4386dcab30912d2b54a7a61827b07 Module libstdc++.so.6 with build-id 88ad4eff81a00c684abfe0f863e87434123d8943 Module libepoxy.so.0 with build-id b6357fc6b748c512f90339433d74502b9d0621dc Module libxcb.so.1 with build-id 0d1ef11740a5daad2ee331e812a51aa6574af222 Module libxcb-randr.so.0 with build-id b6c1c7d4b28863b55ade251813db7f246b7ffe8b Module libxcb-xfixes.so.0 with build-id a6b197ace5b9b59f913f5969eb419a88d1194f47 Module libKF5CoreAddons.so.5 with build-id bcc6ff26016e7ccece6bd8ad2855f479606d9794 Module libKF5I18n.so.5 with build-id 9b38367b44cd4fd7d6106a33def5d8c2e35f245d Module libKF5ConfigCore.so.5 with build-id 2d612e09eb2dc97190d58a696e703fb9f1d1eb42 Module libKF5ConfigGui.so.5 with build-id fac1e547b0b7f1eeca4cd2efb3a2a118d6079366 Module libKF5ConfigWidgets.so.5 with build-id 4858db3aaddcc9a6e1e3eb2d2464312b661593f4 Module libKF5GlobalAccel.so.5 with build-id 3c88c07e9461982ed9dda649fb6a3add4129ce0a Module libKF5IdleTime.so.5 with build-id 11fae1d166ac6bbdfa567115cf14899d212a085b Module libKF5WindowSystem.so.5 with build-id 0de1964b4947b65b4004c9c1774e96d8bf69c117 Module libKF5Notifications.so.5 with build-id 9d89d1a7e900ac60bc23fd355be213734ef1a5d5 Module libQt5Qml.so.5 with build-id 4cb218b3a669103bde9480fb1e8cfe670f4c0330 Module libQt5Quick.so.5 with build-id b507337caf166af41f9f5db466f3f825e088cd9e Module libKF5QuickAddons.so.5 with build-id 2e4337a935c6a6495a1508b64f13926783514c35 Module libKF5GlobalAccelPrivate.so.5 with build-id f4ef4fb897a883590bd46069c3959cc477e29653 Module libkwinglutils.so.13 with build-id 4092b7d574ea7e30ba526da052ca554fb1164bee Module libkwineffects.so.13 with build-id 67c72c33f9c0a378fc46c6fec8bb5700c1e09cd9 Module libKWaylandServer.so.5 with build-id 96d2d286771d2da01562c29b4c916728b35b046f Module libKF5Service.so.5 with build-id 4d8713f27727a94a714483bf3d0450e8109bdf56 Module libKF5Plasma.so.5 with build-id 73096d201de503c303c9dafe64d5047282180d6e Module libkwin.so.5 with build-id e955edc00abebdce6d83b4ab3060adc6285f9fa0 Module libfreetype.so.6 with build-id 26c5f833068ff72660d1975cbc2074c3eb47fad8 Module libfontconfig.so.1 with build-id 9fdeb38479c4090d673efc2e8cb60176efe65da1 Module libqaccessibilityclient-qt5.so.0 with build-id 3133e868d77f4c2c6ebd657793baeb6a4e824544 Module libcap.so.2 with build-id eb6dae97527fc89dbb0d5bb581a15acd02ae9f56 Module libKF5Crash.so.5 with build-id 2c00f96c474bc5d49601dda86ca649e5ce011acd Module kwin_wayland with build-id 79c0db121dc849775f5c7f9f0af0edf212583147 Stack trace of thread 3698: #0 0x00007f18cef49c22 n/a (libpipewire-module-client-node.so + 0xbc22) #1 0x00007f18cefdd1e9 n/a (libspa-support.so + 0x61e9) #2 0x00007f18cefdc2da n/a (libspa-support.so + 0x52da) #3 0x00007f18cefda79d n/a (libspa-support.so + 0x379d) #4 0x00007f190aac8e47 n/a (/usr/lib/libpipewire-0.3.so.0.345.0 (deleted) + 0x44e47) #5 0x00007f190a5f95c2 start_thread (libc.so.6 + 0x8d5c2) #6 0x00007f190a67e584 __clone (libc.so.6 + 0x112584) Stack trace of thread 780: #0 0x00007f190a5f615a __futex_abstimed_wait_common (libc.so.6 + 0x8a15a) #1 0x00007f190a5f8960 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8c960) #2 0x00007f18fe50ed3c n/a (radeonsi_dri.so + 0x1dbd3c) #3 0x00007f18fe5079ec n/a (radeonsi_dri.so + 0x1d49ec) #4 0x00007f190a5f95c2 start_thread (libc.so.6 + 0x8d5c2) #5 0x00007f190a67e584 __clone (libc.so.6 + 0x112584) Stack trace of thread 782: #0 0x00007f190a5f615a __futex_abstimed_wait_common (libc.so.6 + 0x8a15a) #1 0x00007f190a5f8960 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8c960) #2 0x00007f18fe50ed3c n/a (radeonsi_dri.so + 0x1dbd3c) #3 0x00007f18fe5079ec n/a (radeonsi_dri.so + 0x1d49ec) #4 0x00007f190a5f95c2 start_thread (libc.so.6 + 0x8d5c2) #5 0x00007f190a67e584 __clone (libc.so.6 + 0x112584) Stack trace of thread 781: #0 0x00007f190a5f615a __futex_abstimed_wait_common (libc.so.6 + 0x8a15a) #1 0x00007f190a5f8960 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8c960) #2 0x00007f18fe50ed3c n/a (radeonsi_dri.so + 0x1dbd3c) #3 0x00007f18fe5079ec n/a (radeonsi_dri.so + 0x1d49ec) #4 0x00007f190a5f95c2 start_thread (libc.so.6 + 0x8d5c2) #5 0x00007f190a67e584 __clone (libc.so.6 + 0x112584) Stack trace of thread 788: #0 0x00007f190a5f615a __futex_abstimed_wait_common (libc.so.6 + 0x8a15a) #1 0x00007f190a5f8960 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8c960) #2 0x00007f18fe50ed3c n/a (radeonsi_dri.so + 0x1dbd3c) #3 0x00007f18fe5079ec n/a (radeonsi_dri.so + 0x1d49ec) #4 0x00007f190a5f95c2 start_thread (libc.so.6 + 0x8d5c2) #5 0x00007f190a67e584 __clone (libc.so.6 + 0x112584) Stack trace of thread 777: #0 0x00007f190a6722af __poll (libc.so.6 + 0x1062af) #1 0x00007f1908f2c066 n/a (libglib-2.0.so.0 + 0xab066) #2 0x00007f1908ed3485 g_main_context_iteration (libglib-2.0.so.0 + 0x52485) #3 0x00007f190af6544a n/a (/usr/lib/libQt5Core.so.5.15.2 (deleted) + 0x2d744a) ELF object binary architecture: AMD x86-64 17/02/2022 13:03 systemd systemd-coredump@0-3700-0.service: Deactivated successfully. 17/02/2022 13:03 audit SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@0-3700-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' 17/02/2022 13:03 systemd systemd-coredump@0-3700-0.service: Consumed 1.234s CPU time. 17/02/2022 13:03 kernel audit: type=1131 audit(1645099416.721:144): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@0-3700-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' 17/02/2022 13:03 xdg-desktop-portal-kde The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 xdg-desktop-portal-kde The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_newmailnotifier_agent The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_maildispatcher_agent The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_google_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_migration_agent The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_ical_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 kactivitymanagerd The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_maildir_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_birthdays_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 kwalletd5 The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_akonotes_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_indexing_agent The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadi_contacts_resource The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 klauncher The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "akonadi_birthdays_resource - 94207556804368" disconnected 17/02/2022 13:03 akonadi_control The Wayland connection broke. Did the Wayland compositor die? 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94207556632240" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94069916921328" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94673871062288" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "ETMCalendarMonitor - 94361921173840" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94753602682032" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Control process died, committing suicide! 17/02/2022 13:03 systemd plasma-kactivitymanagerd.service: Main process exited, code=exited, status=1/FAILURE 17/02/2022 13:03 systemd plasma-kactivitymanagerd.service: Failed with result 'exit-code'. 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 93908497956464" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94671298828240" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "akonadi_maildispatcher_agent - 93908498115440" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94605944205248" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94051336795616" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "SpecialCollectionsMonitor - 93908498110848" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 93970002987184" disconnected 17/02/2022 13:03 akonadiserver org.kde.pim.akonadiserver: Subscriber "AgentBaseChangeRecorder - 94213514513712" disconnected 17/02/2022 13:03 audit BPF prog-id=0 op=UNLOAD 17/02/2022 13:03 audit BPF prog-id=0 op=UNLOAD 17/02/2022 13:03 audit BPF prog-id=0 op=UNLOAD 17/02/2022 13:03 kernel audit: type=1334 audit(1645099416.778:145): prog-id=0 op=UNLOAD 17/02/2022 13:03 kernel audit: type=1334 audit(1645099416.778:146): prog-id=0 op=UNLOAD 17/02/2022 13:03 kernel audit: type=1334 audit(1645099416.778:147): prog-id=0 op=UNLOAD 17/02/2022 13:03 systemd plasma-xdg-desktop-portal-kde.service: Main process exited, code=exited, status=1/FAILURE 17/02/2022 13:03 systemd plasma-xdg-desktop-portal-kde.service: Failed with result 'exit-code'. 17/02/2022 13:03 systemd app-firefox-b62cb007971940da962ddfb466d5cd96.scope: Consumed 15min 22.741s CPU time. 17/02/2022 13:03 polkitd Unregistered Authentication Agent for unix-session:2 (system bus name :1.35, object path /org/kde/PolicyKit1/AuthenticationAgent, locale en_GB.UTF-8) (disconnected from bus) 17/02/2022 13:03 kdeinit5 kdeinit5: Fatal IO error: client killed 17/02/2022 13:03 kdeinit5 kdeinit5: sending SIGHUP to children. 17/02/2022 13:03 kdeinit5 kdeinit5: sending SIGTERM to children. 17/02/2022 13:03 kdeinit5 kdeinit5: Exit. *Backtrace from coredumpctl:* Core was generated by `/usr/bin/kwin_wayland --wayland-fd 5 --socket wayland-0 --xwayland-fd 6 --xwayl'. Program terminated with signal SIGSEGV, Segmentation fault. #0 spa_list_insert (elem=0x563e37c748c0, list=0x0) at ../pipewire/spa/include/spa/utils/list.h:58 58 ../pipewire/spa/include/spa/utils/list.h: Directory not empty. [Current thread is 1 (Thread 0x7f188bfff640 (LWP 3698))] (gdb) bt #0 spa_list_insert (elem=0x563e37c748c0, list=0x0) at ../pipewire/spa/include/spa/utils/list.h:58 #1 do_activate_link (loop=<optimized out>, async=<optimized out>, seq=<optimized out>, data=<optimized out>, size=<optimized out>, user_data=0x563e37c748a0) at ../pipewire/src/modules/module-client-node/remote-node.c:858 #2 0x00007f18cefdd1e9 in flush_items (impl=0x563e37d84f48) at ../pipewire/spa/plugins/support/loop.c:154 #3 0x00007f18cefdc2da in source_event_func (source=0x563e37b701d0) at ../pipewire/spa/plugins/support/loop.c:512 #4 0x00007f18cefda79d in loop_iterate (object=<optimized out>, timeout=<optimized out>) at ../pipewire/spa/plugins/support/loop.c:359 #5 0x00007f190aac8e47 in spa_list_remove (elem=0x0) at ../pipewire/spa/include/spa/utils/list.h:76 #6 emit_info_changed (device=0x1) at ../pipewire/src/pipewire/impl-device.c:641 #7 0x00007ffdc230877f in () #8 0x00007f188bfff640 in () #9 0x0000000000000000 in ()
Sorry, I cant reproduce this issue. Operating System: Kubuntu 21.10 KDE Plasma Version: 5.24.1 KDE Frameworks Version: 5.91.0 Qt Version: 5.15.2 Kernel Version: 5.13.0-28-generic (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i7-7700HQ CPU @ 2.80GHz Memory: 15.5 GiB of RAM Graphics Processor: Mesa Intel® HD Graphics 630 Regards
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 mark the bug 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!
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!