SUMMARY kwin_wayland crashes with spice qxl and intel gvt-g STEPS TO REPRODUCE 1. Create a proxmox guest with SPICE (qxl) and i915-GVTg_V5_8 2. (Attempt) to login to Plasma (Wayland) 3. kwin_wayland crashes OBSERVED RESULT kwin_wayland crashes EXPECTED RESULT kwin_wayland does not crash SOFTWARE/OS VERSIONS Linux/KDE Plasma: Arch Linux 6.14.6-arch1-1 KDE Plasma Version: 6.3.5 KDE Frameworks Version: 6.14.0 Qt Version: 6.9.0 ADDITIONAL INFORMATION kwin_xorg works Neither the linux nor linux-lts kernel work intel gvt-g + standard vga or intel gvt-g + virtgl seems to work journalctl log May 17 10:10:18 plasma systemd-coredump[626]: Process 546 (kwin_wayland) of user 1000 dumped core. Stack trace of thread 546: #0 0x00007cc13a0a774c n/a (libc.so.6 + 0x9774c) #1 0x00007cc13a04ddc0 raise (libc.so.6 + 0x3ddc0) #2 0x00007cc13da1ed47 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7d47) #3 0x00007cc13a04def0 n/a (libc.so.6 + 0x3def0) #4 0x00007cc13a0a774c n/a (libc.so.6 + 0x9774c) #5 0x00007cc13a04ddc0 raise (libc.so.6 + 0x3ddc0) #6 0x00007cc13a03557a abort (libc.so.6 + 0x2557a) #7 0x00007cc130a26d94 n/a (libgallium-25.0.5-arch1.1.so + 0x26d94) #8 0x00007cc131b5a51c n/a (libgallium-25.0.5-arch1.1.so + 0x115a51c) #9 0x00007cc13114ba91 n/a (libgallium-25.0.5-arch1.1.so + 0x74ba91) #10 0x00007cc130acc139 n/a (libgallium-25.0.5-arch1.1.so + 0xcc139) #11 0x00007cc13d66e605 n/a (libkwin.so.6 + 0x46e605) #12 0x00007cc13d670162 n/a (libkwin.so.6 + 0x470162) #13 0x00007cc13d6715d2 n/a (libkwin.so.6 + 0x4715d2) #14 0x00007cc13d671de5 n/a (libkwin.so.6 + 0x471de5) #15 0x00007cc13d671fa9 n/a (libkwin.so.6 + 0x471fa9) #16 0x00007cc13d672861 n/a (libkwin.so.6 + 0x472861) #17 0x00007cc13d672cfc n/a (libkwin.so.6 + 0x472cfc) #18 0x00007cc13d685384 n/a (libkwin.so.6 + 0x485384) #19 0x00007cc13d6861a3 n/a (libkwin.so.6 + 0x4861a3) #20 0x00007cc13d68649a n/a (libkwin.so.6 + 0x48649a) #21 0x00007cc13d687af9 n/a (libkwin.so.6 + 0x487af9) #22 0x00007cc13d679db9 n/a (libkwin.so.6 + 0x479db9) #23 0x00007cc13d67a175 n/a (libkwin.so.6 + 0x47a175) #24 0x00007cc13d67a09e n/a (libkwin.so.6 + 0x47a09e) #25 0x00007cc13d67a175 n/a (libkwin.so.6 + 0x47a175) #26 0x00007cc13d67a175 n/a (libkwin.so.6 + 0x47a175) #27 0x00007cc13d67a175 n/a (libkwin.so.6 + 0x47a175) #28 0x00007cc13d67a175 n/a (libkwin.so.6 + 0x47a175) #29 0x00007cc13d67e3f3 n/a (libkwin.so.6 + 0x47e3f3) #30 0x00007cc13d6562be _ZN4KWin10DrmBackend18applyOutputChangesERKNS_19OutputConfigurationE (libkwin.so.6 + 0x4562be) #31 0x00007cc13d5d2586 _ZN4KWin9Workspace24applyOutputConfigurationERKNS_19OutputConfigurationERKSt8optionalI5QListIPNS_6OutputEEE (libkwin.so.6 + 0x3d2586) #32 0x00007cc13d5d29cb _ZN4KWin9Workspace25updateOutputConfigurationEv (libkwin.so.6 + 0x3d29cb) #33 0x00007cc13d5d3280 _ZN4KWin9Workspace31slotOutputBackendOutputsQueriedEv (libkwin.so.6 + 0x3d3280) #34 0x00007cc13d5d5339 _ZN4KWin9Workspace4initEv (libkwin.so.6 + 0x3d5339) #35 0x00007cc13d485f0f _ZN4KWin11Application15createWorkspaceEv (libkwin.so.6 + 0x285f0f) #36 0x0000568472ad2ffb n/a (/usr/bin/kwin_wayland + 0x4cffb) #37 0x0000568472ac652e n/a (/usr/bin/kwin_wayland + 0x4052e) #38 0x00007cc13a0376b5 n/a (libc.so.6 + 0x276b5) #39 0x00007cc13a037769 __libc_start_main (libc.so.6 + 0x27769) #40 0x0000568472accab5 n/a (/usr/bin/kwin_wayland + 0x46ab5) Stack trace of thread 612: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131235610 n/a (libgallium-25.0.5-arch1.1.so + 0x835610) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 615: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131235610 n/a (libgallium-25.0.5-arch1.1.so + 0x835610) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 618: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131230dcd n/a (libgallium-25.0.5-arch1.1.so + 0x830dcd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 614: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131235610 n/a (libgallium-25.0.5-arch1.1.so + 0x835610) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 608: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc13a2daaa1 _Z19__gthread_cond_waitP14pthread_cond_tP15pthread_mutex_t (libstdc++.so.6 + 0xdaaa1) #5 0x00007cc13d660bc1 n/a (libkwin.so.6 + 0x460bc1) #6 0x00007cc13d6610da n/a (libkwin.so.6 + 0x4610da) #7 0x00007cc13d65b4f6 n/a (libkwin.so.6 + 0x45b4f6) #8 0x00007cc13a0aacb4 n/a (libc.so.6 + 0x9acb4) #9 0x00007cc13a0aad29 pthread_once (libc.so.6 + 0x9ad29) #10 0x00007cc13d65bfdf n/a (libkwin.so.6 + 0x45bfdf) #11 0x00007cc13a84ffb5 n/a (libQt6Core.so.6 + 0x24ffb5) #12 0x00007cc13a8e44ff n/a (libQt6Core.so.6 + 0x2e44ff) #13 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #14 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 585: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a2024 n/a (libc.so.6 + 0x92024) #3 0x00007cc13a11c5a6 ppoll (libc.so.6 + 0x10c5a6) #4 0x00007cc139315f67 n/a (libglib-2.0.so.0 + 0xc1f67) #5 0x00007cc1392b1615 g_main_context_iteration (libglib-2.0.so.0 + 0x5d615) #6 0x00007cc13a9cd59d _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x3cd59d) #7 0x00007cc13a765376 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x165376) #8 0x00007cc13a85a4b9 _ZN7QThread4execEv (libQt6Core.so.6 + 0x25a4b9) #9 0x00007cc13b8178de n/a (libQt6DBus.so.6 + 0x2e8de) #10 0x00007cc13a8e44ff n/a (libQt6Core.so.6 + 0x2e44ff) #11 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #12 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 613: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131235610 n/a (libgallium-25.0.5-arch1.1.so + 0x835610) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 609: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc13a2daaa1 _Z19__gthread_cond_waitP14pthread_cond_tP15pthread_mutex_t (libstdc++.so.6 + 0xdaaa1) #5 0x00007cc13d660bc1 n/a (libkwin.so.6 + 0x460bc1) #6 0x00007cc13d6610da n/a (libkwin.so.6 + 0x4610da) #7 0x00007cc13d65b4f6 n/a (libkwin.so.6 + 0x45b4f6) #8 0x00007cc13a0aacb4 n/a (libc.so.6 + 0x9acb4) #9 0x00007cc13a0aad29 pthread_once (libc.so.6 + 0x9ad29) #10 0x00007cc13d65bfdf n/a (libkwin.so.6 + 0x45bfdf) #11 0x00007cc13a84ffb5 n/a (libQt6Core.so.6 + 0x24ffb5) #12 0x00007cc13a8e44ff n/a (libQt6Core.so.6 + 0x2e44ff) #13 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #14 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 606: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc130f156bd n/a (libgallium-25.0.5-arch1.1.so + 0x5156bd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 617: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131230dcd n/a (libgallium-25.0.5-arch1.1.so + 0x830dcd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 624: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc130f156bd n/a (libgallium-25.0.5-arch1.1.so + 0x5156bd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 623: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc130f156bd n/a (libgallium-25.0.5-arch1.1.so + 0x5156bd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 620: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc130f156bd n/a (libgallium-25.0.5-arch1.1.so + 0x5156bd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 616: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131230dcd n/a (libgallium-25.0.5-arch1.1.so + 0x830dcd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 619: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc131230dcd n/a (libgallium-25.0.5-arch1.1.so + 0x830dcd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 610: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a2024 n/a (libc.so.6 + 0x92024) #3 0x00007cc13a11c5a6 ppoll (libc.so.6 + 0x10c5a6) #4 0x00007cc139315f67 n/a (libglib-2.0.so.0 + 0xc1f67) #5 0x00007cc1392b1615 g_main_context_iteration (libglib-2.0.so.0 + 0x5d615) #6 0x00007cc13a9cd5c2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x3cd5c2) #7 0x00007cc13a765376 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x165376) #8 0x00007cc13a85a629 _ZN7QThread3runEv (libQt6Core.so.6 + 0x25a629) #9 0x00007cc13a8e44ff n/a (libQt6Core.so.6 + 0x2e44ff) #10 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #11 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 607: #0 0x00007cc13a0ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007cc13a0a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007cc13a0a264c n/a (libc.so.6 + 0x9264c) #3 0x00007cc13a0a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007cc130f5ab9e n/a (libgallium-25.0.5-arch1.1.so + 0x55ab9e) #5 0x00007cc130f156bd n/a (libgallium-25.0.5-arch1.1.so + 0x5156bd) #6 0x00007cc130f5aacd n/a (libgallium-25.0.5-arch1.1.so + 0x55aacd) #7 0x00007cc13a0a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007cc13a12918c n/a (libc.so.6 + 0x11918c) ELF object binary architecture: AMD x86-64
Please get a full backtrace for the crash. https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports#Retrieving_a_backtrace_using_coredumpctl
🐛🧹 ⚠️ This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information, then set the bug status to REPORTED. If there is no change for at least 30 days, it will be automatically closed as RESOLVED WORKSFORME. For more information about our bug triaging procedures, please read https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging. Thank you for helping us make KDE software even better for everyone!
coredumpctl gdb output PID: 1041 (kwin_wayland) UID: 1000 (user) GID: 1000 (user) Signal: 6 (ABRT) Timestamp: Wed 2025-06-11 08:58:10 UTC (11min ago) Command Line: /usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :1 --xwayland-xauthority /run/user/1000/xauth_DGNcPj --xwayland Executable: /usr/bin/kwin_wayland Control Group: /user.slice/user-1000.slice/user@1000.service/session.slice/plasma-kwin_wayland.service Unit: user@1000.service User Unit: plasma-kwin_wayland.service Slice: user-1000.slice Owner UID: 1000 (user) Boot ID: 31124191016c4deaa60a3a6594132ee0 Machine ID: 03d45190f58e4b8a8a818e9c34811fbd Hostname: plasma Storage: /var/lib/systemd/coredump/core.kwin_wayland.1000.31124191016c4deaa60a3a6594132ee0.1041.1749632290000000.zst (present) Size on Disk: 4.9M Message: Process 1041 (kwin_wayland) of user 1000 dumped core. Stack trace of thread 1041: #0 0x00007fe7cf2a774c n/a (libc.so.6 + 0x9774c) #1 0x00007fe7cf24ddc0 raise (libc.so.6 + 0x3ddc0) #2 0x00007fe7d2c29d47 _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7d47) #3 0x00007fe7cf24def0 n/a (libc.so.6 + 0x3def0) #4 0x00007fe7cf2a774c n/a (libc.so.6 + 0x9774c) #5 0x00007fe7cf24ddc0 raise (libc.so.6 + 0x3ddc0) #6 0x00007fe7cf23557a abort (libc.so.6 + 0x2557a) #7 0x00007fe7c1627f36 n/a (libgallium-25.1.3-arch1.3.so + 0x27f36) #8 0x00007fe7c278431c n/a (libgallium-25.1.3-arch1.3.so + 0x118431c) #9 0x00007fe7c1d52558 n/a (libgallium-25.1.3-arch1.3.so + 0x752558) #10 0x00007fe7c16cf12e n/a (libgallium-25.1.3-arch1.3.so + 0xcf12e) #11 0x00007fe7d2877e65 n/a (libkwin.so.6 + 0x477e65) #12 0x00007fe7d2879932 n/a (libkwin.so.6 + 0x479932) #13 0x00007fe7d287ad56 n/a (libkwin.so.6 + 0x47ad56) #14 0x00007fe7d287b595 n/a (libkwin.so.6 + 0x47b595) #15 0x00007fe7d287b769 n/a (libkwin.so.6 + 0x47b769) #16 0x00007fe7d287c061 n/a (libkwin.so.6 + 0x47c061) #17 0x00007fe7d287c44c n/a (libkwin.so.6 + 0x47c44c) #18 0x00007fe7d288e584 n/a (libkwin.so.6 + 0x48e584) #19 0x00007fe7d288f393 n/a (libkwin.so.6 + 0x48f393) #20 0x00007fe7d288f69a n/a (libkwin.so.6 + 0x48f69a) #21 0x00007fe7d2890ca9 n/a (libkwin.so.6 + 0x490ca9) #22 0x00007fe7d2882e79 n/a (libkwin.so.6 + 0x482e79) #23 0x00007fe7d2883285 n/a (libkwin.so.6 + 0x483285) #24 0x00007fe7d288319e n/a (libkwin.so.6 + 0x48319e) #25 0x00007fe7d2883285 n/a (libkwin.so.6 + 0x483285) #26 0x00007fe7d2883285 n/a (libkwin.so.6 + 0x483285) #27 0x00007fe7d2883285 n/a (libkwin.so.6 + 0x483285) #28 0x00007fe7d2883285 n/a (libkwin.so.6 + 0x483285) #29 0x00007fe7d28874a3 n/a (libkwin.so.6 + 0x4874a3) #30 0x00007fe7d285f3de _ZN4KWin10DrmBackend18applyOutputChangesERKNS_19OutputConfigurationE (libkwin.so.6 + 0x45f3de) #31 0x00007fe7d27e24f6 _ZN4KWin9Workspace24applyOutputConfigurationERKNS_19OutputConfigurationERKSt8optionalI5QListIPNS_6OutputEEE (libkwin.so.6 + 0x3e24f6) #32 0x00007fe7d27e2ec2 _ZN4KWin9Workspace25updateOutputConfigurationEv (libkwin.so.6 + 0x3e2ec2) #33 0x00007fe7d27e37c0 _ZN4KWin9Workspace31slotOutputBackendOutputsQueriedEv (libkwin.so.6 + 0x3e37c0) #34 0x00007fe7d27d864b _ZN4KWin9Workspace4initEv (libkwin.so.6 + 0x3d864b) #35 0x00007fe7d268b40f _ZN4KWin11Application15createWorkspaceEv (libkwin.so.6 + 0x28b40f) #36 0x00005601529e52dc n/a (/usr/bin/kwin_wayland + 0x4e2dc) #37 0x00005601529d7503 n/a (/usr/bin/kwin_wayland + 0x40503) #38 0x00007fe7cf2376b5 n/a (libc.so.6 + 0x276b5) #39 0x00007fe7cf237769 __libc_start_main (libc.so.6 + 0x27769) #40 0x00005601529ddb45 n/a (/usr/bin/kwin_wayland + 0x46b45) Stack trace of thread 1053: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7cf4daaa1 _Z19__gthread_cond_waitP14pthread_cond_tP15pthread_mutex_t (libstdc++.so.6 + 0xdaaa1) #5 0x00007fe7d2869bc1 n/a (libkwin.so.6 + 0x469bc1) #6 0x00007fe7d286a0da n/a (libkwin.so.6 + 0x46a0da) #7 0x00007fe7d2864676 n/a (libkwin.so.6 + 0x464676) #8 0x00007fe7cf2aacb4 n/a (libc.so.6 + 0x9acb4) #9 0x00007fe7cf2aad29 pthread_once (libc.so.6 + 0x9ad29) #10 0x00007fe7d286515f n/a (libkwin.so.6 + 0x46515f) #11 0x00007fe7cfa87f55 n/a (libQt6Core.so.6 + 0x287f55) #12 0x00007fe7cfb1ee69 n/a (libQt6Core.so.6 + 0x31ee69) #13 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #14 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1059: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7cf4daaa1 _Z19__gthread_cond_waitP14pthread_cond_tP15pthread_mutex_t (libstdc++.so.6 + 0xdaaa1) #5 0x00007fe7d2869bc1 n/a (libkwin.so.6 + 0x469bc1) #6 0x00007fe7d286a0da n/a (libkwin.so.6 + 0x46a0da) #7 0x00007fe7d2864676 n/a (libkwin.so.6 + 0x464676) #8 0x00007fe7cf2aacb4 n/a (libc.so.6 + 0x9acb4) #9 0x00007fe7cf2aad29 pthread_once (libc.so.6 + 0x9ad29) #10 0x00007fe7d286515f n/a (libkwin.so.6 + 0x46515f) #11 0x00007fe7cfa87f55 n/a (libQt6Core.so.6 + 0x287f55) #12 0x00007fe7cfb1ee69 n/a (libQt6Core.so.6 + 0x31ee69) #13 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #14 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1052: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1b1a23d n/a (libgallium-25.1.3-arch1.3.so + 0x51a23d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1062: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e47fd0 n/a (libgallium-25.1.3-arch1.3.so + 0x847fd0) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1064: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e47fd0 n/a (libgallium-25.1.3-arch1.3.so + 0x847fd0) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1065: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e47fd0 n/a (libgallium-25.1.3-arch1.3.so + 0x847fd0) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1068: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e4378d n/a (libgallium-25.1.3-arch1.3.so + 0x84378d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1074: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1b1a23d n/a (libgallium-25.1.3-arch1.3.so + 0x51a23d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1051: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1b1a23d n/a (libgallium-25.1.3-arch1.3.so + 0x51a23d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1060: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a2024 n/a (libc.so.6 + 0x92024) #3 0x00007fe7cf31c5a6 ppoll (libc.so.6 + 0x10c5a6) #4 0x00007fe7ce47ae04 n/a (libglib-2.0.so.0 + 0x5fe04) #5 0x00007fe7ce47aee5 g_main_context_iteration (libglib-2.0.so.0 + 0x5fee5) #6 0x00007fe7cfc3c602 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x43c602) #7 0x00007fe7cf9744b6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x1744b6) #8 0x00007fe7cfa8e054 _ZN7QThread3runEv (libQt6Core.so.6 + 0x28e054) #9 0x00007fe7cfb1ee69 n/a (libQt6Core.so.6 + 0x31ee69) #10 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #11 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1048: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a2024 n/a (libc.so.6 + 0x92024) #3 0x00007fe7cf31c5a6 ppoll (libc.so.6 + 0x10c5a6) #4 0x00007fe7ce47ae04 n/a (libglib-2.0.so.0 + 0x5fe04) #5 0x00007fe7ce47aee5 g_main_context_iteration (libglib-2.0.so.0 + 0x5fee5) #6 0x00007fe7cfc3c5e2 _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt6Core.so.6 + 0x43c5e2) #7 0x00007fe7cf9744b6 _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt6Core.so.6 + 0x1744b6) #8 0x00007fe7cfa873c6 _ZN7QThread4execEv (libQt6Core.so.6 + 0x2873c6) #9 0x00007fe7d0a1fdae n/a (libQt6DBus.so.6 + 0x37dae) #10 0x00007fe7cfb1ee69 n/a (libQt6Core.so.6 + 0x31ee69) #11 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #12 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1067: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e4378d n/a (libgallium-25.1.3-arch1.3.so + 0x84378d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1063: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e47fd0 n/a (libgallium-25.1.3-arch1.3.so + 0x847fd0) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1070: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1b1a23d n/a (libgallium-25.1.3-arch1.3.so + 0x51a23d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1073: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1b1a23d n/a (libgallium-25.1.3-arch1.3.so + 0x51a23d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1066: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e4378d n/a (libgallium-25.1.3-arch1.3.so + 0x84378d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) Stack trace of thread 1069: #0 0x00007fe7cf2ade22 n/a (libc.so.6 + 0x9de22) #1 0x00007fe7cf2a1fda n/a (libc.so.6 + 0x91fda) #2 0x00007fe7cf2a264c n/a (libc.so.6 + 0x9264c) #3 0x00007fe7cf2a4d1e pthread_cond_wait (libc.so.6 + 0x94d1e) #4 0x00007fe7c1b5fc5e n/a (libgallium-25.1.3-arch1.3.so + 0x55fc5e) #5 0x00007fe7c1e4378d n/a (libgallium-25.1.3-arch1.3.so + 0x84378d) #6 0x00007fe7c1b5fb8d n/a (libgallium-25.1.3-arch1.3.so + 0x55fb8d) #7 0x00007fe7cf2a57eb n/a (libc.so.6 + 0x957eb) #8 0x00007fe7cf32918c n/a (libc.so.6 + 0x11918c) ELF object binary architecture: AMD x86-64 GNU gdb (GDB) 16.3 Copyright (C) 2024 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-pc-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: <https://www.gnu.org/software/gdb/bugs/>. Find the GDB manual and other documentation resources online at: <http://www.gnu.org/software/gdb/documentation/>. For help, type "help". Type "apropos word" to search for commands related to "word"... Reading symbols from /usr/bin/kwin_wayland... Reading symbols from /usr/lib/debug/usr/bin/kwin_wayland.debug... warning: Can't open file /memfd:lp_dma_buf (deleted) during file-backed mapping note processing warning: Can't open file anon_inode:i915.gem during file-backed mapping note processing [New LWP 1041] [New LWP 1053] [New LWP 1059] [New LWP 1052] [New LWP 1062] [New LWP 1064] [New LWP 1065] [New LWP 1068] [New LWP 1074] [New LWP 1051] [New LWP 1060] [New LWP 1048] [New LWP 1067] [New LWP 1063] [New LWP 1070] [New LWP 1073] [New LWP 1066] [New LWP 1069] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". Core was generated by `/usr/bin/kwin_wayland --wayland-fd 7 --socket wayland-0 --xwayland-fd 8 --xwayland-fd 9 --xwayland-display :1 --xwayland-xauthority /run/user/1000/xauth_DGNcPj --xwayland'. Program terminated with signal SIGABRT, Aborted. #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0; [Current thread is 1 (Thread 0x7fe7c98a9a40 (LWP 1041))] Function(s) ^std::(move|forward|as_const|(__)?addressof) will be skipped when stepping. Function(s) ^std::(shared|unique)_ptr<.*>::(get|operator) will be skipped when stepping. Function(s) ^std::(basic_string|vector|array|deque|(forward_)?list|(unordered_|flat_)?(multi)?(map|set)|span)<.*>::(c?r?(begin|end)|front|back|data|size|empty) will be skipped when stepping. Function(s) ^std::(basic_string|vector|array|deque|span)<.*>::operator.] will be skipped when stepping. gdb backtrace (gdb) bt #0 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 #1 0x00007fe7cf2a7813 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89 #2 0x00007fe7cf24ddc0 in __GI_raise (sig=6) at ../sysdeps/posix/raise.c:26 #3 0x00007fe7d2c29d47 in KCrash::defaultCrashHandler(int) () from /usr/lib/libKF6Crash.so.6 #4 <signal handler called> #5 __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44 #6 0x00007fe7cf2a7813 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:89 #7 0x00007fe7cf24ddc0 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26 #8 0x00007fe7cf23557a in __GI_abort () at abort.c:73 #9 0x00007fe7c1627f36 in _iris_batch_flush () at ../mesa-25.1.3/src/gallium/drivers/iris/iris_batch.c:1012 #10 0x00007fe7c278431c in iris_fence_flush () at ../mesa-25.1.3/src/gallium/drivers/iris/iris_fence.c:266 #11 0x00007fe7c1d52558 in tc_flush () at ../mesa-25.1.3/src/gallium/auxiliary/util/u_threaded_context.c:3667 #12 0x00007fe7c16cf12e in st_flush () at ../mesa-25.1.3/src/mesa/state_tracker/st_cb_flush.c:63 #13 st_glFlush () at ../mesa-25.1.3/src/mesa/state_tracker/st_cb_flush.c:99 #14 0x00007fe7d2877e65 in KWin::EglGbmLayerSurface::importWithEgl (this=this@entry=0x56017a103558, surface=surface@entry=0x56017a28fdf0, sourceBuffer=<optimized out>, readFence=..., frame=frame@entry=0x0, damagedRegion=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:689 #15 0x00007fe7d2879932 in KWin::EglGbmLayerSurface::importBuffer (this=this@entry=0x56017a103558, surface=surface@entry=0x56017a28fdf0, slot=slot@entry=0x56017a54ef10, readFence=..., frame=frame@entry=0x0, damagedRegion=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:611 #16 0x00007fe7d287ad56 in KWin::EglGbmLayerSurface::doRenderTestBuffer (this=0x56017a103558, surface=0x56017a28fdf0) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:597 #17 KWin::EglGbmLayerSurface::createSurface (this=0x56017a103558, size=..., format=<optimized out>, modifiers=..., importMode=importMode@entry=KWin::EglGbmLayerSurface::MultiGpuImportMode::Egl, bufferTarget=KWin::EglGbmLayerSurface::BufferTarget::Normal, tradeoff=KWin::Output::ColorPowerTradeoff::PreferEfficiency) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:554 #18 0x00007fe7d287b595 in operator() (__closure=__closure@entry=0x7ffdd3f75000, gbmFormats=..., importMode=importMode@entry=KWin::EglGbmLayerSurface::MultiGpuImportMode::Egl) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:465 #19 0x00007fe7d287b769 in KWin::EglGbmLayerSurface::createSurface (this=this@entry=0x56017a103558, size=..., formats=..., tradeoff=tradeoff@entry=KWin::Output::ColorPowerTradeoff::PreferEfficiency) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:482 #20 0x00007fe7d287c061 in KWin::EglGbmLayerSurface::checkSurface (this=this@entry=0x56017a103558, size=..., formats=..., tradeoff=tradeoff@entry=KWin::Output::ColorPowerTradeoff::PreferEfficiency) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:388 #21 0x00007fe7d287c44c in KWin::EglGbmLayerSurface::renderTestBuffer (this=0x56017a103558, bufferSize=..., formats=..., tradeoff=KWin::Output::ColorPowerTradeoff::PreferEfficiency) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer_surface.cpp:363 #22 KWin::EglGbmLayer::checkTestBuffer (this=0x56017a103460) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_egl_layer.cpp:76 #23 0x00007fe7d288e584 in KWin::DrmPipeline::prepareAtomicPresentation (this=0x560175d61300, commit=<optimized out>, frame=std::shared_ptr<KWin::OutputFrame> (empty) = {...}) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_pipeline.cpp:203 #24 0x00007fe7d288f393 in KWin::DrmPipeline::prepareAtomicCommit (this=0x560175d61300, commit=commit@entry=0x56017a38cef0, mode=mode@entry=KWin::DrmPipeline::CommitMode::TestAllowModeset, frame=std::shared_ptr<KWin::OutputFrame> (empty) = {...}) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_pipeline.cpp:161 #25 0x00007fe7d288f69a in KWin::DrmPipeline::commitPipelinesAtomic (pipelines=..., mode=mode@entry=KWin::DrmPipeline::CommitMode::TestAllowModeset, frame=std::shared_ptr<KWin::OutputFrame> (empty) = {...}, unusedObjects=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_pipeline.cpp:108 #26 0x00007fe7d2890ca9 in KWin::DrmPipeline::commitPipelines (pipelines=..., mode=<optimized out>, unusedObjects=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_pipeline.cpp:88 #27 KWin::DrmPipeline::commitPipelines (pipelines=..., mode=KWin::DrmPipeline::CommitMode::TestAllowModeset, unusedObjects=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_pipeline.cpp:84 #28 0x00007fe7d2882e79 in KWin::DrmGpu::testPipelines (this=0x560175eeaee0) --Type <RET> for more, q to quit, c to continue without paging-- at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:466 #29 KWin::DrmGpu::testPipelines (this=0x560175eeaee0) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:456 #30 KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:351 #31 0x00007fe7d2883285 in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:367 #32 0x00007fe7d288319e in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/include/qt6/QtCore/qarraydata.h:60 #33 0x00007fe7d2883285 in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:367 #34 0x00007fe7d2883285 in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:367 #35 0x00007fe7d2883285 in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:367 #36 0x00007fe7d2883285 in KWin::DrmGpu::checkCrtcAssignment (this=this@entry=0x560175eeaee0, connectors=..., crtcs=...) at /usr/src/debug/kwin/kwin-6.3.5/src/backends/drm/drm_gpu.cpp:367 #37 0x00007fe7d28874a3 in KWin::DrmGpu::testPendingConfiguration (this=<optimized out>) at /usr/include/qt6/QtCore/qarraydata.h:60 #38 0x00007fe7d285f3de in KWin::DrmBackend::applyOutputChanges (this=0x7fe7c400fd20, config=...) at /usr/include/c++/15.1.1/bits/unique_ptr.h:193 #39 0x00007fe7d27e24f6 in KWin::Workspace::applyOutputConfiguration (this=this@entry=0x56017a1036a0, config=..., outputOrder=std::optional = {...}) at /usr/src/debug/kwin/kwin-6.3.5/src/workspace.cpp:508 #40 0x00007fe7d27e2ec2 in KWin::Workspace::updateOutputConfiguration (this=this@entry=0x56017a1036a0) at /usr/src/debug/kwin/kwin-6.3.5/src/workspace.cpp:581 #41 0x00007fe7d27e37c0 in KWin::Workspace::slotOutputBackendOutputsQueried (this=0x56017a1036a0) at /usr/src/debug/kwin/kwin-6.3.5/src/workspace.cpp:1246 #42 0x00007fe7d27d864b in KWin::Workspace::init (this=<optimized out>) at /usr/src/debug/kwin/kwin-6.3.5/src/workspace.cpp:229 #43 0x00007fe7d268b40f in KWin::Application::createWorkspace (this=0x7ffdd3f76b00) at /usr/src/debug/kwin/kwin-6.3.5/src/main.cpp:255 #44 0x00005601529e52dc in KWin::ApplicationWayland::performStartup (this=0x7ffdd3f76b00) at /usr/src/debug/kwin/kwin-6.3.5/src/main_wayland.cpp:146 #45 0x00005601529d7503 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/kwin/kwin-6.3.5/src/main_wayland.cpp:620
Looks like a GPU driver issue?
Yeah, if you can still reproduce this, please report it at https://gitlab.freedesktop.org/mesa/mesa/-/issues