Bug#934105: another backtrace
So during a upgrade this morning this happened again:
$ coredumpctl list
TIME PID UID GID SIG COREFILE EXE
Sun 2019-08-11 08:33:45 CST 1044 1000 1000 11 present /usr/bin/xfdesktop
Sun 2019-08-11 08:33:45 CST 32695 1000 1000 11 present
/usr/bin/xfce4-appfinder
Sun 2019-08-11 08:33:45 CST 1040 1000 1000 11 present
/usr/bin/xfce4-panel
Sun 2019-08-11 08:34:49 CST 6557 1000 1000 11 present /usr/bin/xfdesktop
Sun 2019-08-11 08:35:10 CST 6836 1000 1000 11 present /usr/bin/xfdesktop
$ coredumpctl info 6557
PID: 6557 (xfdesktop)
UID: 1000 (adam)
GID: 1000 (adam)
Signal: 11 (SEGV)
Timestamp: Sun 2019-08-11 08:34:48 CST (13s ago)
Command Line: xfdesktop --display :0.0 --sm-client-id
22a396536-a119-4d09-8614-8656bfafc117
Executable: /usr/bin/xfdesktop
Control Group: /user.slice/user-1000.slice/session-2.scope
Unit: session-2.scope
Slice: user-1000.slice
Session: 2
Owner UID: 1000 (adam)
Boot ID: fe9a729066a445b8a9b18c1d08fc80f6
Machine ID: 647a0bfe1e794d9db74e8b9202aab665
Hostname: MyDebian
Storage:
/var/lib/systemd/coredump/core.xfdesktop.1000.fe9a729066a445b8a9b18c1d08fc80f6.6557.156548368800
0000.l
Message: Process 6557 (xfdesktop) of user 1000 dumped core.
Stack trace of thread 6558:
#0 0x00007f9cafce975a g_slice_alloc
(libglib-2.0.so.0)
#1 0x00007f9cafcee183 g_string_sized_new
(libglib-2.0.so.0)
#2 0x00007f9cafcb5de1 n/a (libglib-2.0.so.0)
#3 0x00007f9cafcb72c5 g_build_filename
(libglib-2.0.so.0)
#4 0x00007f9caff9e9f8 n/a (libgio-2.0.so.0)
#5 0x00007f9caffa48fa n/a (libgio-2.0.so.0)
#6 0x00007f9caffa5479
g_file_monitor_source_handle_event (libgio-2.0.so.0)
#7 0x00007f9caffb0559 n/a (libgio-2.0.so.0)
#8 0x00007f9caffafadc n/a (libgio-2.0.so.0)
#9 0x00007f9caffafc96 n/a (libgio-2.0.so.0)
#10 0x00007f9caffaefe9 n/a (libgio-2.0.so.0)
#11 0x00007f9cafccb898 g_main_context_dispatch
(libglib-2.0.so.0)
#12 0x00007f9cafccbc88 n/a (libglib-2.0.so.0)
#13 0x00007f9cafccbd1c g_main_context_iteration
(libglib-2.0.so.0)
#14 0x00007f9cafccbd61 n/a (libglib-2.0.so.0)
#15 0x00007f9cafcf489d n/a (libglib-2.0.so.0)
#16 0x00007f9cafc63fa3 start_thread (libpthread.so.0)
#17 0x00007f9cafb944cf __clone (libc.so.6)
Stack trace of thread 6557:
#0 0x00007f9cafb89819 __GI___poll (libc.so.6)
#1 0x00007f9cafccbbf6 n/a (libglib-2.0.so.0)
#2 0x00007f9cafccbf82 g_main_loop_run
(libglib-2.0.so.0)
#3 0x00007f9cb05fd8e7 gtk_main (libgtk-x11-2.0.so.0)
#4 0x000055de8878bc6c n/a (xfdesktop)
#5 0x000055de8878c0a6 n/a (xfdesktop)
#6 0x00007f9cafcc8263 n/a (libglib-2.0.so.0)
#7 0x00007f9cafcc8c9e n/a (libglib-2.0.so.0)
#8 0x00007f9cafccb928 g_main_context_dispatch
(libglib-2.0.so.0)
#9 0x00007f9cafccbc88 n/a (libglib-2.0.so.0)
#10 0x00007f9cafccbd1c g_main_context_iteration
(libglib-2.0.so.0)
#11 0x00007f9caff4ca0d g_application_run
(libgio-2.0.so.0)
#12 0x000055de88780fad main (xfdesktop)
#13 0x00007f9cafabf09b __libc_start_main (libc.so.6)
#14 0x000055de88780fea _start (xfdesktop)
Stack trace of thread 6559:
#0 0x00007f9cafb89819 __GI___poll (libc.so.6)
#1 0x00007f9cafccbbf6 n/a (libglib-2.0.so.0)
#2 0x00007f9cafccbf82 g_main_loop_run
(libglib-2.0.so.0)
#3 0x00007f9caff86e46 n/a (libgio-2.0.so.0)
#4 0x00007f9cafcf489d n/a (libglib-2.0.so.0)
#5 0x00007f9cafc63fa3 start_thread (libpthread.so.0)
#6 0x00007f9cafb944cf __clone (libc.so.6)
I then installed libglib2.0-0-dbgsym libgtk2.0-0-dbgsym libc6-dbg
xfdesktop4-dbgsym and did a backtrace:
(gdb)
#0 0x00007f9cafce975a in magazine_chain_pop_head
(magazine_chunks=0x7f9ca8000bf0) at ../../../glib/gslice.c:538
#1 0x00007f9cafce975a in thread_memory_magazine1_alloc
(tmem=0x7f9ca8000bd0, ix=1) at ../../../glib/gslice.c:841
#2 0x00007f9cafce975a in g_slice_alloc (mem_size=mem_size@entry=24)
at ../../../glib/gslice.c:1015
#3 0x00007f9cafcee183 in g_string_sized_new
(dfl_size=dfl_size@entry=2) at ../../../glib/gstring.c:121
#4 0x00007f9cafcee6b4 in g_string_new (init=init@entry=0x0) at
../../../glib/gstring.c:148
#5 0x00007f9cafcb5de1 in g_build_path_va
(separator=separator@entry=0x7f9cafd1af0d "/",
first_element=first_element@entry=0x55de896553d0
"/usr/share/applications", args=args@entry=0x7f9cacf65720,
str_array=str_array@entry=0x0)
at ../../../glib/gfileutils.c:1696
#6 0x00007f9cafcb72c5 in g_build_filename_va (str_array=0x0,
args=0x7f9cacf65720, first_argument=<optimized out>) at
../../../glib/gfileutils.c:2069
#7 0x00007f9cafcb72c5 in g_build_filename
(first_element=first_element@entry=0x55de896553d0
"/usr/share/applications") at ../../../glib/gfileutils.c:2069
#8 0x00007f9caff9e9f8 in g_local_file_new_from_dirname_and_basename
(dirname=0x55de896553d0 "/usr/share/applications",
basename=basename@entry=0x7f9ca8003b30
"libreoffice-xsltfilter.desktop.dpkg-tmp") at
../../../gio/glocalfile.c:242
#9 0x00007f9caffa48fa in g_file_monitor_source_queue_event
(fms=fms@entry=0x55de89653f10,
event_type=event_type@entry=G_FILE_MONITOR_EVENT_DELETED,
child=0x7f9ca8003b30 "libreoffice-xsltfilter.desktop.dpkg-tmp",
other=other@entry=0x0)
at ../../../gio/glocalfilemonitor.c:233
#10 0x00007f9caffa5479 in g_file_monitor_source_send_event (other=0x0,
child=<optimized out>, event_type=G_FILE_MONITOR_EVENT_DELETED,
fms=0x55de89653f10) at ../../../gio/glocalfilemonitor.c:319
#11 0x00007f9caffa5479 in g_file_monitor_source_handle_event
(fms=0x55de89653f10,
event_type=event_type@entry=G_FILE_MONITOR_EVENT_DELETED,
child=<optimized out>, rename_to=<optimized out>,
rename_to@entry=0x0, other=other@entry=0x0,
event_time=62010549077) at ../../../gio/glocalfilemonitor.c:439
#12 0x00007f9caffb0559 in ih_event_callback (event=0x7f9ca80038d0,
sub=0x55de895ec050, file_event=<optimized out>) at
../../../gio/inotify/inotify-helper.c:206
#13 0x00007f9caffafadc in ip_event_dispatch
(dir_list=dir_list@entry=0x55de896702c0 = {...}, file_list=0x0,
event=event@entry=0x7f9ca80038d0) at
../../../gio/inotify/inotify-path.c:492
#14 0x00007f9caffafc96 in ip_event_dispatch (event=0x7f9ca80038d0,
file_list=<optimized out>, dir_list=0x55de896702c0 = {...}) at
../../../gio/inotify/inotify-path.c:547
#15 0x00007f9caffafc96 in ip_event_callback (event=0x7f9ca80038d0) at
../../../gio/inotify/inotify-path.c:547
#16 0x00007f9caffafc96 in ip_event_callback
(event=event@entry=0x7f9ca80038d0) at
../../../gio/inotify/inotify-path.c:529
#17 0x00007f9caffaefe9 in ik_source_dispatch (source=0x55de895fded0,
func=0x7f9caffafbe0 <ip_event_callback>, user_data=<optimized out>) at
../../../gio/inotify/inotify-kernel.c:324
#18 0x00007f9cafccb898 in g_main_dispatch (context=0x55de89548380) at
../../../glib/gmain.c:3189
#19 0x00007f9cafccb898 in g_main_context_dispatch
(context=context@entry=0x55de89548380) at ../../../glib/gmain.c:3854
#20 0x00007f9cafccbc88 in g_main_context_iterate
(context=context@entry=0x55de89548380, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:3927
#21 0x00007f9cafccbd1c in g_main_context_iteration
(context=0x55de89548380, may_block=may_block@entry=1) at
../../../glib/gmain.c:3988
#22 0x00007f9cafccbd61 in glib_worker_main (data=<optimized out>) at
../../../glib/gmain.c:5868
#23 0x00007f9cafcf489d in g_thread_proxy (data=0x55de89513630) at
../../../glib/gthread.c:805
#24 0x00007f9cafc63fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#25 0x00007f9cafb944cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
I hope this is helpful.
Regard,
Jun
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