Bug 501240

Summary:	KWin crash after alt-tabbing from Civ VII
Product:	[Plasma] kwin	Reporter:	jlhyoung
Component:	general	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED UPSTREAM
Severity:	crash	CC:	kdedev
Priority:	NOR	Keywords:	drkonqi
Version First Reported In:	6.3.2
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description jlhyoung 2025-03-08 22:01:12 UTC

Application: kwin_wayland (6.3.2)

ApplicationNotResponding [ANR]: false
Qt Version: 6.8.2
Frameworks Version: 6.11.0
Operating System: Linux 6.13.5-arch1-1 x86_64
Windowing System: Wayland
Distribution: "Arch Linux"
DrKonqi: 6.3.2 [CoredumpBackend]

-- Information about the crash:
I was setting up a Civ VII game when I alt-tabbed out to check something which seemed to cause KWin to crash.  Firefox also crashed at the same time.  I was using Steam (Runtime) not Steam (Native).

The reporter is unsure if this crash is reproducible.

-- Backtrace (Reduced):
#5  0x000071e2b9815a1c in simple_mtx_lock () at ../mesa-24.3.4/src/util/simple_mtx.h:106
#6  _mesa_lock_debug_state () at ../mesa-24.3.4/src/mesa/main/debug_output.c:770
#7  0x000071e2b98166c0 in _mesa_log_msg () at ../mesa-24.3.4/src/mesa/main/debug_output.c:948
#8  0x000071e2b987afa4 in _mesa_gl_vdebugf () at ../mesa-24.3.4/src/mesa/main/errors.c:171
#9  0x000071e2b9815859 in _debug_message () at ../mesa-24.3.4/src/mesa/main/debug_output.c:739


Reported using DrKonqi

Comment 1 jlhyoung 2025-03-08 22:01:17 UTC

Created attachment 179238 [details]
New crash information added by DrKonqi

DrKonqi auto-attaching complete backtrace.

Comment 2 TraceyC 2025-03-10 16:51:43 UTC

Searchable backtrace

Thread 1 (Thread 0x71e2abfff6c0 (LWP 1531)):
[KCrash Handler]
#5  0x000071e2b9815a1c in simple_mtx_lock () at ../mesa-24.3.4/src/util/simple_mtx.h:106
#6  _mesa_lock_debug_state () at ../mesa-24.3.4/src/mesa/main/debug_output.c:770
#7  0x000071e2b98166c0 in _mesa_log_msg () at ../mesa-24.3.4/src/mesa/main/debug_output.c:948
#8  0x000071e2b987afa4 in _mesa_gl_vdebugf () at ../mesa-24.3.4/src/mesa/main/errors.c:171
#9  0x000071e2b9815859 in _debug_message () at ../mesa-24.3.4/src/mesa/main/debug_output.c:739
#10 0x000071e2b9adf7ce in _util_debug_message () at ../mesa-24.3.4/src/util/u_debug.c:74
#11 0x000071e2b9f2a4b1 in si_shader_dump_stats_for_shader_db () at ../mesa-24.3.4/src/gallium/drivers/radeonsi/si_shader.c:1335
#12 0x000071e2b9f2ec0e in si_compile_shader () at ../mesa-24.3.4/src/gallium/drivers/radeonsi/si_shader.c:3141
#13 0x000071e2b9f2fe1f in si_create_shader_variant () at ../mesa-24.3.4/src/gallium/drivers/radeonsi/si_shader.c:3478
#14 0x000071e2b9f61f3b in si_build_shader_variant () at ../mesa-24.3.4/src/gallium/drivers/radeonsi/si_state_shaders.cpp:2844
#15 0x000071e2b9add8a4 in util_queue_thread_func () at ../mesa-24.3.4/src/util/u_queue.c:294
#16 0x000071e2b9b1271d in impl_thrd_routine () at ../mesa-24.3.4/src/c11/impl/threads_posix.c:43
#17 0x000071e2c8ea370a in start_thread (arg=<optimized out>) at pthread_create.c:448
#18 0x000071e2c8f27aac in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Comment 3 TraceyC 2025-03-10 16:52:46 UTC

The crash backtrace indicates that the problem is in the Mesa graphics drivers. Please read https://docs.mesa3d.org/bugs.html and submit a bug report for the Mesa developers. Thanks!