Debian Bug report logs - #948288
gnome-shell reproducibly crashes on boot, and the boot process gets stuck

version graph

Package: gnome-shell; Maintainer for gnome-shell is Debian GNOME Maintainers <[email protected]>; Source for gnome-shell is src:gnome-shell (PTS, buildd, popcon).

Affects: gdm3, libegl-mesa0

Reported by: [email protected]

Date: Mon, 6 Jan 2020 16:42:01 UTC

Severity: important

Found in version gnome-shell/3.30.2-11~deb10u1

Done: Jeremy Bícha <[email protected]>

Full log

Message #45 received at [email protected] (full text, mbox, reply):

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From: "Md Ayquassar" <[email protected]>
To: Bernhard Übelacker <[email protected]>
Cc: [email protected]
Reply-To: "Md Ayquassar" <[email protected]>
Subject: RE: Bug#948288: gnome-shell reproducibly crashes on boot, and the boot
 process gets stuck
Date: Fri, 31 Jan 2020 04:23:20 +0300
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[Message part 1 (text/plain, inline)]
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 <[email protected]> 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@entry=0x1b8e9f0,
 read=0x1b8e9f0, read@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@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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