Application: kwin_wayland (6.2.5) ApplicationNotResponding [ANR]: false Qt Version: 6.8.1 Frameworks Version: 6.10.0 Operating System: Linux 6.12.11-200.fc41.x86_64 x86_64 Windowing System: Wayland Distribution: "Fedora Linux 41 (KDE Plasma)" DrKonqi: 6.2.5 [CoredumpBackend] -- Information about the crash: This has been a recurring issue for me, and I seriously cant find anything wrong with my system. Any fullscreen game (WINE, Proton, and native) will on occasion crash when alt+tab-ing out of the game. I can't consistanly remake the crash, but it always happens under the same conditions: I have a fullscreen game open >> I press alt+tab to focus another window >> ~10% chance Kwin crashes. In this perticular case I was running Soulframe via Proton with Lutris, but this has happend to me with Warframe and Cyberpunk 2077 under Proton (various version including GE) though steam, and Minecraft natively as well. Generally, using borderless-fullscreen is a functional workaround, but is not ideal in some scenerios. I have run memtest86 and passed. The crash can be reproduced sometimes. -- Backtrace (Reduced): #5 0x00007fdecd40191c in simple_mtx_lock (mtx=0x7fde64bc59a4) at ../src/util/simple_mtx.h:106 #6 _mesa_lock_debug_state (ctx=ctx@entry=0x7fde64b02010) at ../src/mesa/main/debug_output.c:770 #7 0x00007fdecd4025b0 in _mesa_log_msg (ctx=0x7fde64b02010, source=MESA_DEBUG_SOURCE_SHADER_COMPILER, type=MESA_DEBUG_TYPE_OTHER, id=1, severity=MESA_DEBUG_SEVERITY_NOTIFICATION, len=270, buf=0x7fdebf7f9970 "Shader Stats: SGPRS: 64 VGPRS: 28 Code Size: 2012 LDS: 0 Scratch: 0 Max Waves: 16 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 LSOutputs: 0 HSOutputs: 0 HSPatchOuts: 0 ESOutputs: 0 GSOutputs: 0 "...) at ../src/mesa/main/debug_output.c:948 #8 0x00007fdecd466791 in _mesa_gl_vdebugf (ctx=0x7fde64b02010, id=0x7fdecfc9a01c <id>, source=MESA_DEBUG_SOURCE_SHADER_COMPILER, type=MESA_DEBUG_TYPE_OTHER, severity=MESA_DEBUG_SEVERITY_NOTIFICATION, fmtString=0x7fdeced3a810 "Shader Stats: SGPRS: %d VGPRS: %d Code Size: %d LDS: %d Scratch: %d Max Waves: %d Spilled SGPRs: %d Spilled VGPRs: %d PrivMem VGPRs: %d LSOutputs: %u HSOutputs: %u HSPatchOuts: %u ESOutputs: %u GSOutp"..., args=0x7fdebf7fa9e0) at ../src/mesa/main/errors.c:171 #9 0x00007fdecd401748 in _debug_message (data=<optimized out>, id=<optimized out>, ptype=<optimized out>, fmt=<optimized out>, args=<optimized out>) at ../src/mesa/main/debug_output.c:739 Reported using DrKonqi
Created attachment 178055 [details] New crash information added by DrKonqi DrKonqi auto-attaching complete backtrace.
Searchable backtrace Thread 1 (Thread 0x7fdebf7fe6c0 (LWP 2671)): [KCrash Handler] #5 0x00007fdecd40191c in simple_mtx_lock (mtx=0x7fde64bc59a4) at ../src/util/simple_mtx.h:106 #6 _mesa_lock_debug_state (ctx=ctx@entry=0x7fde64b02010) at ../src/mesa/main/debug_output.c:770 #7 0x00007fdecd4025b0 in _mesa_log_msg (ctx=0x7fde64b02010, source=MESA_DEBUG_SOURCE_SHADER_COMPILER, type=MESA_DEBUG_TYPE_OTHER, id=1, severity=MESA_DEBUG_SEVERITY_NOTIFICATION, len=270, buf=0x7fdebf7f9970 "Shader Stats: SGPRS: 64 VGPRS: 28 Code Size: 2012 LDS: 0 Scratch: 0 Max Waves: 16 Spilled SGPRs: 0 Spilled VGPRs: 0 PrivMem VGPRs: 0 LSOutputs: 0 HSOutputs: 0 HSPatchOuts: 0 ESOutputs: 0 GSOutputs: 0 "...) at ../src/mesa/main/debug_output.c:948 #8 0x00007fdecd466791 in _mesa_gl_vdebugf (ctx=0x7fde64b02010, id=0x7fdecfc9a01c <id>, source=MESA_DEBUG_SOURCE_SHADER_COMPILER, type=MESA_DEBUG_TYPE_OTHER, severity=MESA_DEBUG_SEVERITY_NOTIFICATION, fmtString=0x7fdeced3a810 "Shader Stats: SGPRS: %d VGPRS: %d Code Size: %d LDS: %d Scratch: %d Max Waves: %d Spilled SGPRs: %d Spilled VGPRs: %d PrivMem VGPRs: %d LSOutputs: %u HSOutputs: %u HSPatchOuts: %u ESOutputs: %u GSOutp"..., args=0x7fdebf7fa9e0) at ../src/mesa/main/errors.c:171 #9 0x00007fdecd401748 in _debug_message (data=<optimized out>, id=<optimized out>, ptype=<optimized out>, fmt=<optimized out>, args=<optimized out>) at ../src/mesa/main/debug_output.c:739 #10 0x00007fdecd6c784e in _util_debug_message (cb=cb@entry=0x5624941465d0, id=id@entry=0x7fdecfc9a01c <id>, type=type@entry=UTIL_DEBUG_TYPE_SHADER_INFO, fmt=fmt@entry=0x7fdeced3a810 "Shader Stats: SGPRS: %d VGPRS: %d Code Size: %d LDS: %d Scratch: %d Max Waves: %d Spilled SGPRs: %d Spilled VGPRs: %d PrivMem VGPRs: %d LSOutputs: %u HSOutputs: %u HSPatchOuts: %u ESOutputs: %u GSOutp"...) at ../src/util/u_debug.c:74 #11 0x00007fdecdb05740 in si_shader_dump_stats_for_shader_db (screen=screen@entry=0x562491a2f7b0, shader=shader@entry=0x5624941464a0, debug=debug@entry=0x5624941465d0) at ../src/gallium/drivers/radeonsi/si_shader.c:1335 #12 0x00007fdecdb09d4e in si_compile_shader (sscreen=sscreen@entry=0x562491a2f7b0, compiler=<optimized out>, shader=shader@entry=0x5624941464a0, debug=debug@entry=0x5624941465d0) at ../src/gallium/drivers/radeonsi/si_shader.c:3141 #13 0x00007fdecdb0af47 in si_create_shader_variant (sscreen=0x562491a2f7b0, compiler=<optimized out>, shader=0x5624941464a0, debug=0x5624941465d0) at ../src/gallium/drivers/radeonsi/si_shader.c:3478 #14 0x00007fdecdb3c98a in si_build_shader_variant (shader=0x5624941464a0, thread_index=<optimized out>, low_priority=<optimized out>) at ../src/gallium/drivers/radeonsi/si_state_shaders.cpp:2844 #15 0x00007fdecd6c59a1 in util_queue_thread_func (input=input@entry=0x562491aa1e80) at ../src/util/u_queue.c:294 #16 0x00007fdecd6fa9dc in impl_thrd_routine (p=<optimized out>) at ../src/c11/impl/threads_posix.c:43 #17 0x00007fdee9a7e168 in start_thread (arg=<optimized out>) at pthread_create.c:448 #18 0x00007fdee9b0214c in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78
Looks like the backtrace is entirely in the Mesa driver, and it's the same as bug 499671 Please read https://docs.mesa3d.org/bugs.html and submit a bug report for the Mesa developers. Thanks! *** This bug has been marked as a duplicate of bug 499671 ***