This happened to me when I've interrupted the signon-ui by going back in the control center while signon-ui was talking to the remote site.
** Changed in: gnome-control-center (Ubuntu) Status: Invalid => Confirmed -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/798100 Title: gnome-control-center crashed with SIGSEGV in g_simple_async_result_complete() Status in “gnome-control-center” package in Ubuntu: Confirmed Bug description: Binary package hint: gnome-control-center This happened when I was testing oneiric daily live-cd and selected "Messaging and VoIP accounts" in g-c-c. ProblemType: Crash DistroRelease: Ubuntu 11.10 Package: gnome-control-center 1:3.0.2-1ubuntu4 ProcVersionSignature: Ubuntu 3.0-0.1-generic 3.0.0-rc2 Uname: Linux 3.0-0-generic i686 Architecture: i386 Date: Thu Jun 16 09:21:59 2011 ExecutablePath: /usr/bin/gnome-control-center LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110615) ProcCmdline: gnome-control-center --overview ProcEnviron: SHELL=/bin/bash PATH=(custom, no user) LANG=ru_RU.UTF-8 SegvAnalysis: Segfault happened at: 0x6b7e187: mov (%edi),%eax PC (0x06b7e187) ok source "(%edi)" (0xaaaaaaaa) not located in a known VMA region (needed readable region)! destination "%eax" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: gnome-control-center StacktraceTop: ?? () from /usr/lib/control-center-1/panels/libempathy-accounts-panel.so ?? () from /usr/lib/control-center-1/panels/libempathy-accounts-panel.so g_simple_async_result_complete () from /usr/lib/i386-linux-gnu/libgio-2.0.so.0 ?? () from /usr/lib/control-center-1/panels/libempathy-accounts-panel.so g_cclosure_marshal_VOID__PARAM () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0 Title: gnome-control-center crashed with SIGSEGV in g_simple_async_result_complete() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/798100/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp