[lucid] gdm crashes at start

[Václav Šmilauer]

Binary package hint: gdm

After today's update, gdm crashes at startup. Didn't happen with lucid upated 2 days back. With libglib2.0-0-dbg package installed, gdm spits out following backtrace (started manually, but the same happens if spawned from upstart or run from inside gdb); note that at #9 g_idle_dispatch receives dispatch=0, which is pointer to function that is called, obviously resulting in crash. Fell free to ask for more information.

gdm[2531]: ******************* START **********************************
gdm[2531]: [Thread debugging using libthread_db enabled]
gdm[2531]: 0x0053c422 in __kernel_vsyscall ()
gdm[2531]: #0 0x0053c422 in __kernel_vsyscall ()
gdm[2531]: #1 0x0025ad23 in __waitpid_nocancel () from /lib/tls/i686/cmov/libpthread.so.0
gdm[2531]: #2 0x08066b19 in ?? ()
gdm[2531]: #3 0x08066c11 in ?? ()
gdm[2531]: #4 <signal handler called>
gdm[2531]: #5 0x0045c043 in strchr () from /lib/tls/i686/cmov/libc.so.6
gdm[2531]: #6 0x08059472 in ?? ()
gdm[2531]: #7 0x0805bda2 in ?? ()
gdm[2531]: #8 0x0805c253 in ?? ()
gdm[2531]: #9 0x00369251 in g_idle_dispatch (source=0x90c4880, callback=0, user_data=0x90b7430)
gdm[2531]: at /build/buildd/glib2.0-2.23.1/glib/gmain.c:4065
gdm[2531]: #10 0x0036afd8 in g_main_dispatch (context=0x90b0b98) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:1960
gdm[2531]: #11 IA__g_main_context_dispatch (context=0x90b0b98) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2513
gdm[2531]: #12 0x0036e880 in g_main_context_iterate (context=0x90b0b98, block=<value optimized out>, dispatch=1, self=0x90acad0)
gdm[2531]: at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2591
gdm[2531]: #13 0x0036ecef in IA__g_main_loop_run (loop=0x90c7170) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2799
gdm[2531]: #14 0x0804eb08 in ?? ()
gdm[2531]: #15 0x003ffbd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
gdm[2531]: #16 0x0804dd81 in ?? ()
gdm[2531]:
gdm[2531]: Thread 1 (Thread 0xb77b4720 (LWP 2524)):
gdm[2531]: #0 0x0053c422 in __kernel_vsyscall ()
gdm[2531]: No symbol table info available.
gdm[2531]: #1 0x0025ad23 in __waitpid_nocancel () from /lib/tls/i686/cmov/libpthread.so.0
gdm[2531]: No symbol table info available.
gdm[2531]: #2 0x08066b19 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #3 0x08066c11 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #4 <signal handler called>
gdm[2531]: No symbol table info available.
gdm[2531]: #5 0x0045c043 in strchr () from /lib/tls/i686/cmov/libc.so.6
gdm[2531]: No symbol table info available.
gdm[2531]: #6 0x08059472 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #7 0x0805bda2 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #8 0x0805c253 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #9 0x00369251 in g_idle_dispatch (source=0x90c4880, callback=0, user_data=0x90b7430)
gdm[2531]: at /build/buildd/glib2.0-2.23.1/glib/gmain.c:4065
gdm[2531]: No locals.
gdm[2531]: #10 0x0036afd8 in g_main_dispatch (context=0x90b0b98) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:1960
gdm[2531]: dispatch = 0x369230 <g_idle_dispatch>
gdm[2531]: user_data = 0x90b7430
gdm[2531]: callback = 0x805c240
gdm[2531]: cb_funcs = 0x3e831c
gdm[2531]: cb_data = 0x90c43e8
gdm[2531]: next = 0x0}
gdm[2531]: source = 0x52ebd4
gdm[2531]: current = 0x90c9208
gdm[2531]:
gdm[2531]: #11 IA__g_main_context_dispatch (context=0x90b0b98) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2513
gdm[2531]: No locals.
gdm[2531]: #12 0x0036e880 in g_main_context_iterate (context=0x90b0b98, block=<value optimized out>, dispatch=1, self=0x90acad0)
gdm[2531]: at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2591
gdm[2531]:
gdm[2531]:
gdm[2531]:
gdm[2531]: nfds = <value optimized out>
gdm[2531]: allocated_nfds = <value optimized out>
gdm[2531]: fds = <value optimized out>
gdm[2531]:
gdm[2531]: #13 0x0036ecef in IA__g_main_loop_run (loop=0x90c7170) at /build/buildd/glib2.0-2.23.1/glib/gmain.c:2799
gdm[2531]: self = 0x90acad0
gdm[2531]:
gdm[2531]: #14 0x0804eb08 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: #15 0x003ffbd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
gdm[2531]: No symbol table info available.
gdm[2531]: #16 0x0804dd81 in ?? ()
gdm[2531]: No symbol table info available.
gdm[2531]: A debugging session is active.
gdm[2531]:
gdm[2531]: Inferior 1 [process 2524] will be detached.
gdm[2531]:
gdm[2531]: Quit anyway? (y or n) [answered Y; input not from terminal]
gdm[2531]: ******************* END **********************************

ProblemType: Bug
Architecture: i386
Date: Thu Jan 7 13:50:01 2010
DistroRelease: Ubuntu 10.04
Package: gdm 2.29.1-0ubuntu9
ProcEnviron:
 PATH=(custom, no user)
 LANG=cs_CZ.UTF-8
 SHELL=/bin/zsh
ProcVersionSignature: Ubuntu 2.6.32-9.13-generic
SourcePackage: gdm
Tags: lucid
Uname: Linux 2.6.32-9-generic i686

[Sebastien Bacher (seb128)]

thank you for your bug report, it's probably due to bug #504198

[Václav Šmilauer (eudoxos)]

Thanks Sebastien, localegen --purge as mentioned in bug #504198 solved the issue. Marking duplicate.

[raghaven-kumar (raghaven-kumar)]

Hi,

I tried a "sudo local-gen --purge" but it didnt work out.
I have attached the syslog.
the error seems similar but there are many differences