transmission crashed with SIGSEGV in g_signal_emit_valist()

[j.lagrange]

Binary package hint: transmission

1-)Ubuntu Karmic Koala

2-)transmission:
  Installed: (none)
  Candidate: 1.75-0ubuntu2
  Version table:
     1.75-0ubuntu2 0
        500 http://us.archive.ubuntu.com karmic/universe Packages

3-) It just crashed when I was downloading something.

ProblemType: Crash
Architecture: i386
Date: Sun Nov 8 01:05:52 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/transmission
NonfreeKernelModules: nvidia
Package: transmission-gtk 1.75-0ubuntu2
ProcCmdline: transmission
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SegvAnalysis:
 Segfault happened at: 0x225030: mov (%eax),%eax
 PC (0x00225030) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: transmission
StacktraceTop:
 ?? () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
 g_signal_emit () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgtk-x11-2.0.so.0
 ?? () from /usr/lib/libgdk-x11-2.0.so.0
Title: transmission crashed with SIGSEGV in g_signal_emit_valist()
Uname: Linux 2.6.31-14-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:?? () from /usr/lib/libgobject-2.0.so.0
g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
g_signal_emit () from /usr/lib/libgobject-2.0.so.0
handle_keys_changed (data=0x97e1dd0)
gdk_threads_dispatch (data=0x9b5b650)