Bug#959883: gnome-shell: randomly crashes: segfaults and restarts

Antonio Terceiro terceiro at debian.org
Wed May 6 19:21:30 BST 2020


The crash just happened again after I left the machine unattended for a
while while looking at something else.

root at lemur:~# coredumpctl list
TIME                            PID   UID   GID SIG COREFILE  EXE
Wed 2020-05-06 14:51:28 -03   84995  1000  1000  11 present   /usr/libexec/gnome-shell-hotplug-sniffer
Wed 2020-05-06 14:52:45 -03   86431  1000  1000  11 present   /usr/libexec/gnome-shell-hotplug-sniffer
Wed 2020-05-06 15:15:40 -03   86099  1000  1000  11 present   /usr/bin/gnome-shell

The actual core dump is 19MB compresses, is it useful?

root at lemur:~# coredumpctl info 86099 > /tmp/core
root at lemur:~# cat /tmp/core
           PID: 86099 (gnome-shell)
           UID: 1000 (terceiro)
           GID: 1000 (terceiro)
        Signal: 11 (SEGV)
     Timestamp: Wed 2020-05-06 15:15:38 -03 (3min 24s ago)
  Command Line: /usr/bin/gnome-shell
    Executable: /usr/bin/gnome-shell
 Control Group: /user.slice/user-1000.slice/user at 1000.service/gnome-shell-x11.service
          Unit: user at 1000.service
     User Unit: gnome-shell-x11.service
         Slice: user-1000.slice
     Owner UID: 1000 (terceiro)
       Boot ID: 1fa16c032db74ac6a577e6728a595e6e
    Machine ID: 5611d778ed3749cc9a5086df5bf160a5
      Hostname: lemur
       Storage: /var/lib/systemd/coredump/core.gnome-shell.1000.1fa16c032db74ac6a577e6728a595e6e.86099.1588788938000000000000.lz4
       Message: Process 86099 (gnome-shell) of user 1000 dumped core.
                
                Stack trace of thread 86099:
                #0  0x00007f5b6079408d __strncmp_avx2 (libc.so.6 + 0x15a08d)
                #1  0x00007f5b61481f9d g_str_has_prefix (libglib-2.0.so.0 + 0x71f9d)
                #2  0x00007f5b605df475 _st_theme_node_ensure_background (libst-1.0.so + 0x39475)
                #3  0x00007f5b605e31a5 st_theme_node_paint_equal (libst-1.0.so + 0x3d1a5)
                #4  0x00007f5b605edc73 n/a (libst-1.0.so + 0x47c73)
                #5  0x00007f5b605edfc3 st_widget_style_changed (libst-1.0.so + 0x47fc3)
                #6  0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #7  0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #8  0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #9  0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #10 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #11 0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #12 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #13 0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #14 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #15 0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #16 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #17 0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #18 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #19 0x00007f5b605edf6c st_widget_style_changed (libst-1.0.so + 0x47f6c)
                #20 0x00007f5b605ee0d5 n/a (libst-1.0.so + 0x480d5)
                #21 0x00007f5b6154b206 n/a (libgobject-2.0.so.0 + 0x14206)
                #22 0x00007f5b615698d4 g_signal_emit_valist (libgobject-2.0.so.0 + 0x328d4)
                #23 0x00007f5b61569edf g_signal_emit (libgobject-2.0.so.0 + 0x32edf)
                #24 0x00007f5b605dbb11 n/a (libst-1.0.so + 0x35b11)
                #25 0x00007f5b6154b206 n/a (libgobject-2.0.so.0 + 0x14206)
                #26 0x00007f5b615698d4 g_signal_emit_valist (libgobject-2.0.so.0 + 0x328d4)
                #27 0x00007f5b61569edf g_signal_emit (libgobject-2.0.so.0 + 0x32edf)
                #28 0x00007f5b5fb2accd n/a (libffi.so.7 + 0x6ccd)
                #29 0x00007f5b5fb2a25a n/a (libffi.so.7 + 0x625a)
                #30 0x00007f5b60b62f49 n/a (libgjs.so.0 + 0x37f49)
                #31 0x00007f5b60b64d07 n/a (libgjs.so.0 + 0x39d07)
                #32 0x00007f5b5e97a193 n/a (libmozjs-68.so.0 + 0x106193)
                #33 0x00007f5b5e96c4a4 n/a (libmozjs-68.so.0 + 0xf84a4)
                #34 0x00007f5b5e97948d n/a (libmozjs-68.so.0 + 0x10548d)
                #35 0x00007f5b5e979ef0 n/a (libmozjs-68.so.0 + 0x105ef0)
                #36 0x00007f5b5e97a4a9 n/a (libmozjs-68.so.0 + 0x1064a9)
                #37 0x00007f5b5eead44a n/a (libmozjs-68.so.0 + 0x63944a)
                #38 0x00007f5b5eead824 n/a (libmozjs-68.so.0 + 0x639824)
                #39 0x00002e4b5eeb0f64 n/a (n/a + 0x0)
                #40 0x000055dea8281308 n/a (n/a + 0x0)
                #41 0x00002e4b5eeb04df n/a (n/a + 0x0)
                #42 0x00007f5b5efd37d0 n/a (libmozjs-68.so.0 + 0x75f7d0)
                #43 0x00007f5b5e973ed3 n/a (libmozjs-68.so.0 + 0xffed3)
                #44 0x00007f5b5e97948d n/a (libmozjs-68.so.0 + 0x10548d)
                #45 0x00007f5b5e979ef0 n/a (libmozjs-68.so.0 + 0x105ef0)
                #46 0x00007f5b5e97a4a9 n/a (libmozjs-68.so.0 + 0x1064a9)
                #47 0x00007f5b5eead44a n/a (libmozjs-68.so.0 + 0x63944a)
                #48 0x00007f5b5eead824 n/a (libmozjs-68.so.0 + 0x639824)
                #49 0x00002e4b5eeb0f64 n/a (n/a + 0x0)
                #50 0x000055dea7962db8 n/a (n/a + 0x0)
                #51 0x00002e4b5efe295b n/a (n/a + 0x0)
                #52 0x000055dea827a568 n/a (n/a + 0x0)
                #53 0x00002e4b5eeb0355 n/a (n/a + 0x0)
                #54 0x00007f5b5efd37d0 n/a (libmozjs-68.so.0 + 0x75f7d0)
                #55 0x00007f5b5e979433 n/a (libmozjs-68.so.0 + 0x105433)
                #56 0x00007f5b5e979ef0 n/a (libmozjs-68.so.0 + 0x105ef0)
                #57 0x00007f5b5ee8923b n/a (libmozjs-68.so.0 + 0x61523b)
                #58 0x00002e4b5eeb28f8 n/a (n/a + 0x0)
                #59 0x000055dea8e846a8 n/a (n/a + 0x0)
                #60 0x00002e4b5eeb04df n/a (n/a + 0x0)
                #61 0x00007f5b5eef2387 n/a (libmozjs-68.so.0 + 0x67e387)
                #62 0x00007f5b5e978fe0 n/a (libmozjs-68.so.0 + 0x104fe0)
                #63 0x00007f5b5e97948d n/a (libmozjs-68.so.0 + 0x10548d)
                
                Stack trace of thread 86110:
                #0  0x00007f5b6072cb5f __GI___poll (libc.so.6 + 0xf2b5f)
                #1  0x00007f5b614607fe n/a (libglib-2.0.so.0 + 0x507fe)
                #2  0x00007f5b6146091f g_main_context_iteration (libglib-2.0.so.0 + 0x5091f)
                #3  0x00007f5b58ac7d8d n/a (libdconfsettings.so + 0x9d8d)
                #4  0x00007f5b6148952d n/a (libglib-2.0.so.0 + 0x7952d)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86129:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b5f144850 _ZN7mozilla6detail21ConditionVariableImpl4waitERNS0_9MutexImplE (libmozjs-68.so.0 + 0x8d0850)
                #2  0x00007f5b5f144a28 _ZN7mozilla6detail21ConditionVariableImpl8wait_forERNS0_9MutexImplERKNS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (libmozjs-68.so.0 + 0x8d0a28)
                #3  0x00007f5b5eaabe61 n/a (libmozjs-68.so.0 + 0x237e61)
                #4  0x00007f5b5eaa4685 n/a (libmozjs-68.so.0 + 0x230685)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86112:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b4aa0605b n/a (iris_dri.so + 0x47205b)
                #2  0x00007f5b4aa05c77 n/a (iris_dri.so + 0x471c77)
                #3  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #4  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 88048:
                #0  0x00007f5b60731f59 syscall (libc.so.6 + 0xf7f59)
                #1  0x00007f5b614acb02 g_cond_wait_until (libglib-2.0.so.0 + 0x9cb02)
                #2  0x00007f5b614315d1 n/a (libglib-2.0.so.0 + 0x215d1)
                #3  0x00007f5b61489eea n/a (libglib-2.0.so.0 + 0x79eea)
                #4  0x00007f5b6148952d n/a (libglib-2.0.so.0 + 0x7952d)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86130:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b5f144850 _ZN7mozilla6detail21ConditionVariableImpl4waitERNS0_9MutexImplE (libmozjs-68.so.0 + 0x8d0850)
                #2  0x00007f5b5f144a28 _ZN7mozilla6detail21ConditionVariableImpl8wait_forERNS0_9MutexImplERKNS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (libmozjs-68.so.0 + 0x8d0a28)
                #3  0x00007f5b5eaabe61 n/a (libmozjs-68.so.0 + 0x237e61)
                #4  0x00007f5b5eaa4685 n/a (libmozjs-68.so.0 + 0x230685)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 87203:
                #0  0x00007f5b6072cb5f __GI___poll (libc.so.6 + 0xf2b5f)
                #1  0x00007f5b3c57c4f2 n/a (libpulse.so.0 + 0x344f2)
                #2  0x00007f5b3c56de39 pa_mainloop_poll (libpulse.so.0 + 0x25e39)
                #3  0x00007f5b3c56e4bf pa_mainloop_iterate (libpulse.so.0 + 0x264bf)
                #4  0x00007f5b3c56e570 pa_mainloop_run (libpulse.so.0 + 0x26570)
                #5  0x00007f5b3c57c439 n/a (libpulse.so.0 + 0x34439)
                #6  0x00007f5b3c514268 n/a (libpulsecommon-13.0.so + 0x56268)
                #7  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #8  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86131:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b5f144850 _ZN7mozilla6detail21ConditionVariableImpl4waitERNS0_9MutexImplE (libmozjs-68.so.0 + 0x8d0850)
                #2  0x00007f5b5f144a28 _ZN7mozilla6detail21ConditionVariableImpl8wait_forERNS0_9MutexImplERKNS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (libmozjs-68.so.0 + 0x8d0a28)
                #3  0x00007f5b5eaabe61 n/a (libmozjs-68.so.0 + 0x237e61)
                #4  0x00007f5b5eaa4685 n/a (libmozjs-68.so.0 + 0x230685)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86114:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b4aa0605b n/a (iris_dri.so + 0x47205b)
                #2  0x00007f5b4aa05c77 n/a (iris_dri.so + 0x471c77)
                #3  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #4  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86109:
                #0  0x00007f5b6072cb5f __GI___poll (libc.so.6 + 0xf2b5f)
                #1  0x00007f5b614607fe n/a (libglib-2.0.so.0 + 0x507fe)
                #2  0x00007f5b61460b63 g_main_loop_run (libglib-2.0.so.0 + 0x50b63)
                #3  0x00007f5b616acf16 n/a (libgio-2.0.so.0 + 0x116f16)
                #4  0x00007f5b6148952d n/a (libglib-2.0.so.0 + 0x7952d)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86128:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b5f144850 _ZN7mozilla6detail21ConditionVariableImpl4waitERNS0_9MutexImplE (libmozjs-68.so.0 + 0x8d0850)
                #2  0x00007f5b5f144a28 _ZN7mozilla6detail21ConditionVariableImpl8wait_forERNS0_9MutexImplERKNS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (libmozjs-68.so.0 + 0x8d0a28)
                #3  0x00007f5b5eaabe61 n/a (libmozjs-68.so.0 + 0x237e61)
                #4  0x00007f5b5eaa4685 n/a (libmozjs-68.so.0 + 0x230685)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86107:
                #0  0x00007f5b6072cb5f __GI___poll (libc.so.6 + 0xf2b5f)
                #1  0x00007f5b614607fe n/a (libglib-2.0.so.0 + 0x507fe)
                #2  0x00007f5b6146091f g_main_context_iteration (libglib-2.0.so.0 + 0x5091f)
                #3  0x00007f5b61460971 n/a (libglib-2.0.so.0 + 0x50971)
                #4  0x00007f5b6148952d n/a (libglib-2.0.so.0 + 0x7952d)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86111:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b4aa0605b n/a (iris_dri.so + 0x47205b)
                #2  0x00007f5b4aa05c77 n/a (iris_dri.so + 0x471c77)
                #3  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #4  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 86113:
                #0  0x00007f5b5fb3f5e5 futex_wait_cancelable (libpthread.so.0 + 0xf5e5)
                #1  0x00007f5b4aa0605b n/a (iris_dri.so + 0x47205b)
                #2  0x00007f5b4aa05c77 n/a (iris_dri.so + 0x471c77)
                #3  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #4  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
                
                Stack trace of thread 88047:
                #0  0x00007f5b60731f59 syscall (libc.so.6 + 0xf7f59)
                #1  0x00007f5b614acb02 g_cond_wait_until (libglib-2.0.so.0 + 0x9cb02)
                #2  0x00007f5b614315d1 n/a (libglib-2.0.so.0 + 0x215d1)
                #3  0x00007f5b61489eea n/a (libglib-2.0.so.0 + 0x79eea)
                #4  0x00007f5b6148952d n/a (libglib-2.0.so.0 + 0x7952d)
                #5  0x00007f5b5fb38f27 start_thread (libpthread.so.0 + 0x8f27)
                #6  0x00007f5b607372ff __clone (libc.so.6 + 0xfd2ff)
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