Bug 478635 - metacity segfaults in gdm and gnome-session
metacity segfaults in gdm and gnome-session
Product: Fedora
Classification: Fedora
Component: metacity (Show other bugs)
All Linux
medium Severity medium
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Assigned To: Owen Taylor
Fedora Extras Quality Assurance
Depends On:
  Show dependency treegraph
Reported: 2009-01-02 11:32 EST by Frederik Bijlsma
Modified: 2016-05-31 21:27 EDT (History)
2 users (show)

See Also:
Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2009-11-17 19:18:44 EST
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Regression: ---
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RHEL 7.3 requirements from Atomic Host:
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Attachments (Terms of Use)
Metacity backtrace from bug-buddy at gnome-startup (5.09 KB, text/plain)
2009-01-02 11:32 EST, Frederik Bijlsma
no flags Details

  None (edit)
Description Frederik Bijlsma 2009-01-02 11:32:53 EST
Created attachment 328077 [details]
Metacity backtrace from bug-buddy at gnome-startup

Description of problem:
metacity segfaults during the start of gdm and also in a gnome session.

metacity[3099]: segfault at 0 ip 080aa093 sp bf8356d0 error 4 in metacity[8048000+82000]

Version-Release number of selected component (if applicable):
Latest released F10

How reproducible:
Every time

Steps to Reproduce:
1. Start gdm during boot up.
2. start a gnome-session
Actual results:
Segfault of metacity

Expected results:
Starting metacity

Additional info:

I ran gdb quickly - this yields:

[fbijlsma@aachen ~]$ gdb metacity
GNU gdb Fedora (6.8-29.fc10)
Copyright (C) 2008 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 "i386-redhat-linux-gnu"...
(gdb) r
Starting program: /usr/bin/metacity 
[Thread debugging using libthread_db enabled]
[New Thread 0xb7fdf750 (LWP 3966)]

Program received signal SIGSEGV, Segmentation fault.
meta_ui_parse_modifier (accel=0x0, mask=0xbfffeeb0) at ui/ui.c:841
841       if (strcmp (accel, "disabled") == 0)
Comment 1 Frederik Bijlsma 2009-01-07 18:27:53 EST
After some digging and afterwards googling I found the problem:
(gdb) bt
#0  meta_ui_parse_modifier (accel=0x0, mask=0xbffdaee0) at ui/ui.c:841
#1  0x08072cd1 in mouse_button_mods_handler (pref=META_PREF_MOUSE_BUTTON_MODS, 
    string_value=0x0, inform_listeners=0xbffdaf24) at core/prefs.c:1383
#2  0x08073f4c in handle_preference_init_string () at core/prefs.c:549
#3  meta_prefs_init () at core/prefs.c:1017
#4  0x0807087c in main (argc=1, argv=0xbffdb364) at core/main.c:395

this is also described in https://bugs.launchpad.net/ubuntu/+source/metacity/+bug/258074 and this also fixes my problem with latest in F10.
I have not verified though if this really has been fixed upstream.
Comment 2 Owen Taylor 2009-11-17 19:18:44 EST
Was fixed upstream prior to F11.


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