Thread 1 "gnome-shell" received signal SIGSEGV, Segmentation fault.
0x00007f50612a82e7 in gbm_surface_release_buffer () from
/lib/x86_64-linux-gnu/libgbm.so.1
(gdb) bt full
#0 0x00007f50612a82e7 in gbm_surface_release_buffer () at
/lib/x86_64-linux-gnu/libgbm.so.1
#1 0x00007f5063665dbf in meta_drm_buffer_gbm_finalize (object=0x55a6d0d9c690)
at ../src/backends/native/meta-drm-buffer-gbm.c:485
buffer_gbm = <optimized out>
#2 0x00007f5064379dfd in g_object_unref () at
/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#3 0x00007f506366f5b0 in g_set_object (new_object=0x55a6d0d9c890,
object_ptr=0x55a6cefbc490) at /usr/include/glib-2.0/gobject/gobject.h:762
old_object = 0x55a6d0d9c690
_object_ptr = {in = 0x55a6cefbc490 "\220\310\331ЦU", out =
0x55a6cefbc490}
plane_state = 0x55a6cefbc490
#4 swap_plane_buffers (key=<optimized out>, user_data=<optimized out>,
value=0x55a6cefbc490) at ../src/backends/native/meta-kms-crtc.c:487
_object_ptr = {in = 0x55a6cefbc490 "\220\310\331ЦU", out =
0x55a6cefbc490}
plane_state = 0x55a6cefbc490
#5 swap_plane_buffers (key=<optimized out>, value=0x55a6cefbc490,
user_data=<optimized out>) at ../src/backends/native/meta-kms-crtc.c:479
plane_state = 0x55a6cefbc490
#6 0x00007f5064256698 in g_hash_table_foreach () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007f506367b86c in meta_kms_crtc_on_scanout_started (crtc=<optimized
out>, crtc=<optimized out>) at ../src/backends/native/meta-kms-crtc.c:496
page_flip_data = 0x55a6cf69d180
l = <optimized out>
__func__ = "meta_kms_page_flip_data_flipped"
#8 meta_kms_page_flip_data_flipped (kms=<optimized out>,
user_data=0x55a6cf69d180) at ../src/backends/native/meta-kms-page-flip.c:153
page_flip_data = 0x55a6cf69d180
l = <optimized out>
__func__ = "meta_kms_page_flip_data_flipped"
#9 0x00007f5063695bce in flush_callbacks.isra.0 (kms=kms@entry=0x55a6cec0e9c0)
at ../src/backends/native/meta-kms.c:478
callback_data = 0x55a6cf078c30
l = 0x55a6d08b2ec0 = {0x55a6cf078c30}
callback_count = <optimized out>
#10 0x00007f506367b8dd in callback_idle (user_data=0x55a6cec0e9c0) at
../src/backends/native/meta-kms.c:494
kms = 0x55a6cec0e9c0
#11 0x00007f5064272c24 in g_main_context_dispatch () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f50642c76f8 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f5064272293 in g_main_loop_run () at
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f50635e35c9 in meta_context_run_main_loop (context=<optimized out>,
error=0x7ffc4dbf21e8) at ../src/core/meta-context.c:437
priv = 0x55a6cec03050
__func__ = "meta_context_run_main_loop"
#15 0x000055a6cce14f12 in ()
#16 0x00007f5063314d90 in __libc_start_call_main
(main=main@entry=0x55a6cce14a70, argc=argc@entry=1,
argv=argv@entry=0x7ffc4dbf2388) at ../sysdeps/nptl/libc_start_call_main.h:58
self = <optimized out>
result = <optimized out>
unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0,
6610810358620701876, 140721612858248, 94174890248816, 94174890265080,
139983260733504, -6609371649918810956, -6548631210224696140}, mask_was_saved =
0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 0}}}
not_first_call = <optimized out>
#17 0x00007f5063314e40 in __libc_start_main_impl (main=0x55a6cce14a70, argc=1,
argv=0x7ffc4dbf2388, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc4dbf2378) at ../csu/libc-start.c:392
#18 0x000055a6cce151b5 in ()
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https://bugs.launchpad.net/bugs/1969422
Title:
gnome-shell crashed with SIGSEGV in gbm_surface_release_buffer() from
meta_drm_buffer_gbm_finalize() from g_object_unref() from
g_object_unref() from g_set_object()
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