You are not logged in.

#1 2018-01-18 23:26:23

jonno2002
Member
Registered: 2016-11-21
Posts: 684

[solved]need help debugging xfce4-taskmanager general protection error

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)

GNU gdb (GDB) 8.0.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
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)

Offline

#2 2018-01-19 07:54:41

ooo
Member
Registered: 2013-04-10
Posts: 1,637

Re: [solved]need help debugging xfce4-taskmanager general protection error

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.

Offline

#3 2018-01-19 08:11:24

jonno2002
Member
Registered: 2016-11-21
Posts: 684

Re: [solved]need help debugging xfce4-taskmanager general protection error

bingo, that was the problem, thanks

Offline

Board footer

Powered by FluxBB