Bug#948288: gnome-shell reproducibly crashes on boot, and the boot process gets stuck
Md Ayquassar
mdayq at rambler.ru
Fri Jan 31 01:23:20 GMT 2020
First, thanks for a quick response.
Second, is a reassignment to some Mesa package required?
Third, is there anything else I can do as a user to help the developers to bugfix
this? Bug at line 1017 is strange: if there is a NULL dereference there, there
should also probably be one in line 1016 unless someone has a deterministic
concurrent access to that data.
Fourth, I apologize for long delays.I don’t always have the laptop at my direct
disposal.
31.01.2020, 02:09, Bernhard Übelacker <bernhardu at mailbox.org> Hello Md
Ayquassar,
sorry, I did not recognize that you
seem to have a usrmerge'd system.
Then I get following backtraces from your
core dump, with and without debug symbols.
It looks like a function pointer gets called
unconditionally, while containing NULL.
Seems to be graphics driver related.
Kind regards,
Bernhard
https://sources.debian.org/src/mesa/18.3.6-2/src/egl/drivers/dri2/egl_dri2.c/#L1017
(gdb) bt
#0 0x00000000 in ?? ()
#1 0xaf7d2c74 in ?? () from /lib/i386-linux-gnu/libEGL_mesa.so.0
#2 0xaf7d755e in ?? () from /lib/i386-linux-gnu/libEGL_mesa.so.0
#3 0xade2d004 in ?? () from /usr/lib/i386-linux-gnu/dri/radeon_dri.so
#4 0xade2d812 in ?? () from /usr/lib/i386-linux-gnu/dri/radeon_dri.so
#5 0xade9232f in ?? () from /usr/lib/i386-linux-gnu/dri/radeon_dri.so
#6 0xaf7d29ba in ?? () from /lib/i386-linux-gnu/libEGL_mesa.so.0
#7 0xaf7c061c in eglMakeCurrent () from /lib/i386-linux-gnu/libEGL_mesa.so.0
#8 0xb4cd8b58 in ?? () from /lib/i386-linux-gnu/libEGL.so.1
#9 0xb674a1bd in _cogl_winsys_egl_make_current () from
/usr/lib/i386-linux-gnu/mutter/libmutter-cogl-3.so
#10 0xb6d8f1f6 in ?? () from /lib/i386-linux-gnu/libmutter-3.so.0
#11 0xb6ceaca4 in meta_renderer_rebuild_views () from
/lib/i386-linux-gnu/libmutter-3.so.0
#12 0xb6d920fa in meta_stage_native_rebuild_views () from
/lib/i386-linux-gnu/libmutter-3.so.0
#13 0xb6d83ba7 in ?? () from /lib/i386-linux-gnu/libmutter-3.so.0
#14 0xb6ccf11a in ?? () from /lib/i386-linux-gnu/libmutter-3.so.0
#15 0xb6ccff40 in ?? () from /lib/i386-linux-gnu/libmutter-3.so.0
#16 0xb6d83f98 in ?? () from /lib/i386-linux-gnu/libmutter-3.so.0
#17 0xb6cd053a in meta_clutter_init () from
/lib/i386-linux-gnu/libmutter-3.so.0
#18 0xb6d20323 in meta_init () from /lib/i386-linux-gnu/libmutter-3.so.0
#19 0x004ad53d in ?? ()
#20 0xb6aa2b41 in __libc_start_main (main=0x4ad430, argc=1, argv=0xbff2c2a4,
init=0x4adfa0, fini=0x4ae000, rtld_fini=0xb7f97520 <_dl_fini>,
stack_end=0xbff2c29c) at ../csu/libc-start.c:308
#21 0x004ad8d1 in ?? ()
(gdb)
Core was generated by `/usr/bin/gnome-shell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000000 in ?? ()
[Current thread is 1 (Thread 0xb1f2eb80 (LWP 899))]
(gdb) set width 0
(gdb) set pagination off
(gdb) bt
#0 0x00000000 in ?? ()
#1 0xaf7d2c74 in dri2_egl_surface_alloc_local_buffer (dri2_surf=0x1b8e9f0,
att=9, format=32) at ../src/egl/drivers/dri2/egl_dri2.c:1017
#2 0xaf7d755e in dri2_drm_get_buffers_with_format (driDrawable=0x1b73580,
width=0x1b73598, height=0x1b7359c, attachments=0xbff2bb04, count=2,
out_count=0xbff2baf8, loaderPrivate=0x1b8e9f0) at
../src/egl/drivers/dri2/platform_drm.c:344
#3 0xade2d004 in radeon_update_renderbuffers (context=0x19e7d60,
drawable=0x1b73580, front_only=0 '\000') at
../src/mesa/drivers/dri/radeon/radeon_common_context.c:421
#4 0xade2d812 in radeonMakeCurrent (driContextPriv=0x19e7d60,
driDrawPriv=0x1b73580, driReadPriv=0x1b73580) at
../src/mesa/drivers/dri/radeon/radeon_common_context.c:616
#5 0xade9232f in driBindContext (pcp=0x19e7d60, pdp=0x1b73580, prp=0x1b73580)
at ../src/mesa/drivers/dri/common/dri_util.c:579
#6 0xaf7d29ba in dri2_make_current (drv=0x19e5120, disp=0x19e49c0,
dsurf=0x1b8e9f0, rsurf=0x1b8e9f0, ctx=<optimized out>) at
../src/egl/drivers/dri2/egl_dri2.c:1516
#7 0xaf7c061c in eglMakeCurrent (dpy=0x19e49c0, draw=0x1b8e9f0,
read=0x1b8e9f0, ctx=0x19fe5c0) at ../src/egl/main/eglapi.c:860
#8 0xb4cd8b58 in InternalMakeCurrentVendor (dpy=0x19e3dd0, draw=draw at entry=0x1b8e9f0,
read=0x1b8e9f0, read at entry=0x19c3310, context=0x19fe5c0, apiState=0x19fe360,
vendor=<optimized out>) at ../../../src/EGL/libegl.c:861
#9 0xb4cd9606 in eglMakeCurrent (dpy=<optimized out>, draw=<optimized out>,
read=0x1b8e9f0, context=0x19fe5c0) at ../../../src/EGL/libegl.c:727
#10 0xb674a1bd in _cogl_winsys_egl_make_current (display=0x19ca4d8,
draw=0x1b8e9f0, read=0x1b8e9f0, context=0x19fe5c0) at
winsys/cogl-winsys-egl.c:300
#11 0xb6d8f1f6 in meta_renderer_native_create_view (renderer=0x19c8610,
logical_monitor=0x19bbf20) at backends/native/meta-renderer-native.c:2949
#12 0xb6ceaca4 in meta_renderer_create_view (logical_monitor=<optimized out>,
renderer=0x19c8610) at ./backends/meta-renderer.h:36
#13 meta_renderer_rebuild_views (renderer=0x19c8610) at
backends/meta-renderer.c:73
#14 0xb6d920fa in meta_stage_native_rebuild_views (stage_native=0x19c2470) at
backends/native/meta-stage-native.c:141
#15 0xb6d83ba7 in meta_backend_native_update_screen_size (backend=0x19a48b8,
width=1024, height=768) at backends/native/meta-backend-native.c:493
#16 0xb6ccf11a in meta_backend_sync_screen_size (backend=backend at entry=0x19a48b8)
at backends/meta-backend-private.h:52
#17 0xb6ccff40 in meta_backend_real_post_init (backend=0x19a48b8) at
backends/meta-backend.c:442
#18 0xb6d83f98 in meta_backend_native_post_init (backend=0x19a48b8) at
./backends/meta-backend-private.h:52
#19 0xb6cd053a in meta_backend_post_init (backend=<optimized out>) at
backends/meta-backend-private.h:52
#20 meta_clutter_init () at backends/meta-backend.c:1239
#21 0xb6d20323 in meta_init () at core/main.c:598
#22 0x004ad53d in main (argc=<optimized out>, argv=<optimized out>) at
../src/main.c:465
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