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this happens every time i open and close xfce4-taskmanager, only started happening after yesterdays -Syu
Jan 19 12:09:11 jonnos kernel: in xfce4-taskmanager[400000+1f000]
Jan 19 12:09:11 jonnos systemd[1]: Started Process Core Dump (PID 4629/UID 0).
Jan 19 12:09:11 jonnos systemd-coredump[4630]: Process 4626 (xfce4-taskmanag) of user 1000 dumped core.
Stack trace of thread 4626:
#0 0x000000000040a631 n/a (xfce4-taskmanager)
#1 0x00007fc8403e5c5d g_closure_invoke (libgobject-2.0.so.0)
#2 0x00007fc8403f9c28 n/a (libgobject-2.0.so.0)
#3 0x00007fc840402806 g_signal_emit_valist (libgobject-2.0.so.0)
#4 0x00007fc840403240 g_signal_emit (libgobject-2.0.so.0)
#5 0x00007fc84141febb gtk_widget_hide (libgtk-x11-2.0.so.0)
#6 0x00007fc84141ff5c n/a (libgtk-x11-2.0.so.0)
#7 0x00007fc8403eaf05 g_object_unref (libgobject-2.0.so.0)
#8 0x0000000000409037 n/a (xfce4-taskmanager)
#9 0x00007fc83fb0cf4a __libc_start_main (libc.so.6)
#10 0x00000000004090ca n/a (xfce4-taskmanager)
Stack trace of thread 4627:
#0 0x00007fc83fbd791b __poll (libc.so.6)
#1 0x00007fc84010c023 n/a (libglib-2.0.so.0)
#2 0x00007fc84010c13e g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007fc84010c192 n/a (libglib-2.0.so.0)
#4 0x00007fc84013429a n/a (libglib-2.0.so.0)
#5 0x00007fc83feaa08c start_thread (libpthread.so.0)
#6 0x00007fc83fbe1e1f __clone (libc.so.6)
Stack trace of thread 4628:
#0 0x00007fc83fbd791b __poll (libc.so.6)
#1 0x00007fc84010c023 n/a (libglib-2.0.so.0)
#2 0x00007fc84010c3e2 g_main_loop_run (libglib-2.0.so.0)
#3 0x00007fc8407006d8 n/a (libgio-2.0.so.0)
#4 0x00007fc84013429a n/a (libglib-2.0.so.0)
#5 0x00007fc83feaa08c start_thread (libpthread.so.0)
#6 0x00007fc83fbe1e1f __clone (libc.so.6)
and this is as far as ive got following the wiki on debugging coredumps
[jonno2002@jonnos ~]$ coredumpctl gdb 4626
PID: 4626 (xfce4-taskmanag)
UID: 1000 (jonno2002)
GID: 1000 (jonno2002)
Signal: 11 (SEGV)
Timestamp: Fri 2018-01-19 12:09:11 NZDT (2min 5s ago)
Command Line: xfce4-taskmanager
Executable: /usr/bin/xfce4-taskmanager
Control Group: /user.slice/user-1000.slice/session-c1.scope
Unit: session-c1.scope
Slice: user-1000.slice
Session: c1
Owner UID: 1000 (jonno2002)
Boot ID: ef1bef4c640d45cb9bd7775b44942ba0
Machine ID: 13a9a66a8d364139b67e291eafd082ae
Hostname: jonnos
Storage: /var/lib/systemd/coredump/core.xfce4-taskmanag.1000.ef1bef4c640d45cb9bd7775b44942ba0.4626.1516316951000000.lz4
Message: Process 4626 (xfce4-taskmanag) of user 1000 dumped core.
Stack trace of thread 4626:
#0 0x000000000040a631 n/a (xfce4-taskmanager)
#1 0x00007fc8403e5c5d g_closure_invoke (libgobject-2.0.so.0)
#2 0x00007fc8403f9c28 n/a (libgobject-2.0.so.0)
#3 0x00007fc840402806 g_signal_emit_valist (libgobject-2.0.so.0)
#4 0x00007fc840403240 g_signal_emit (libgobject-2.0.so.0)
#5 0x00007fc84141febb gtk_widget_hide (libgtk-x11-2.0.so.0)
#6 0x00007fc84141ff5c n/a (libgtk-x11-2.0.so.0)
#7 0x00007fc8403eaf05 g_object_unref (libgobject-2.0.so.0)
#8 0x0000000000409037 n/a (xfce4-taskmanager)
#9 0x00007fc83fb0cf4a __libc_start_main (libc.so.6)
#10 0x00000000004090ca n/a (xfce4-taskmanager)
Stack trace of thread 4627:
#0 0x00007fc83fbd791b __poll (libc.so.6)
#1 0x00007fc84010c023 n/a (libglib-2.0.so.0)
#2 0x00007fc84010c13e g_main_context_iteration (libglib-2.0.so.0)
#3 0x00007fc84010c192 n/a (libglib-2.0.so.0)
#4 0x00007fc84013429a n/a (libglib-2.0.so.0)
#5 0x00007fc83feaa08c start_thread (libpthread.so.0)
#6 0x00007fc83fbe1e1f __clone (libc.so.6)
Stack trace of thread 4628:
#0 0x00007fc83fbd791b __poll (libc.so.6)
#1 0x00007fc84010c023 n/a (libglib-2.0.so.0)
#2 0x00007fc84010c3e2 g_main_loop_run (libglib-2.0.so.0)
#3 0x00007fc8407006d8 n/a (libgio-2.0.so.0)
#4 0x00007fc84013429a n/a (libglib-2.0.so.0)
#5 0x00007fc83feaa08c start_thread (libpthread.so.0)
#6 0x00007fc83fbe1e1f __clone (libc.so.6)
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Reading symbols from /usr/bin/xfce4-taskmanager...(no debugging symbols found)...done.
warning: core file may not match specified executable file.
[New LWP 4626]
[New LWP 4627]
[New LWP 4628]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `xfce4-taskmanager'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x000000000040a631 in ?? ()
[Current thread is 1 (Thread 0x7fc842177d80 (LWP 4626))]
(gdb) bt full
#0 0x000000000040a631 in ()
#1 0x00007fc8403e5c5d in g_closure_invoke () at /usr/lib/libgobject-2.0.so.0
#2 0x00007fc8403f9c28 in () at /usr/lib/libgobject-2.0.so.0
#3 0x00007fc840402806 in g_signal_emit_valist () at /usr/lib/libgobject-2.0.so.0
#4 0x00007fc840403240 in g_signal_emit () at /usr/lib/libgobject-2.0.so.0
#5 0x00007fc84141febb in gtk_widget_hide () at /usr/lib/libgtk-x11-2.0.so.0
#6 0x00007fc84141ff5c in () at /usr/lib/libgtk-x11-2.0.so.0
#7 0x00007fc8403eaf05 in g_object_unref () at /usr/lib/libgobject-2.0.so.0
#8 0x0000000000409037 in ()
#9 0x00007fc83fb0cf4a in __libc_start_main () at /usr/lib/libc.so.6
#10 0x00000000004090ca in ()
can anyone suggest what the problem could be ?
[edit] i should mention the program works fine, just spits out errors in the journal [/edit]
Last edited by jonno2002 (2018-01-19 08:12:26)
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The glib2-2.54.3-2 that's out in the wild is causing a lot of strange issues.
Try if downgrading to glib2-2.54.2-2 solves this for you.
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bingo, that was the problem, thanks
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