Seems to be easily reproducible on 12.04 (tested on several machines). Found this googling around a bit, found https://mail.gnome.org/archives /gtk-devel-list/2010-December/msg00065.html
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-panel in Ubuntu. https://bugs.launchpad.net/bugs/984357 Title: gnome-panel crashed with SIGSEGV in magazine_chain_pop_head() Status in “gnome-panel” package in Ubuntu: Triaged Bug description: gnome-panel crashed when I changed the theme from Ambiance to Radiance. Thread 1 (Thread 0x7fd61b0ed980 (LWP 6929)): #0 magazine_chain_pop_head (magazine_chunks=0x1999660) at /build/buildd/glib2.0-2.32.1/./glib/gslice.c:528 #1 thread_memory_magazine1_alloc (ix=<optimized out>, tmem=<optimized out>) at /build/buildd/glib2.0-2.32.1/./glib/gslice.c:835 mag = 0x1999660 #2 g_slice_alloc (mem_size=16) at /build/buildd/glib2.0-2.32.1/./glib/gslice.c:994 tmem = 0x1999650 #3 0x00007fd6185d71a6 in g_slice_alloc0 (mem_size=16) at /build/buildd/glib2.0-2.32.1/./glib/gslice.c:1029 #4 0x00007fd61a2d6a8b in gtk_widget_path_new () at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkwidgetpath.c:119 #5 0x00007fd61a2d6ac5 in gtk_widget_path_copy (path=0x1e56b6f) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkwidgetpath.c:175 __PRETTY_FUNCTION__ = "gtk_widget_path_copy" #6 0x00007fd61a221b5a in create_query_path (context=0x1cfc6e0) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkstylecontext.c:1039 priv = 0x1cfc700 #7 style_data_lookup (context=0x1cfc6e0, state=GTK_STATE_FLAG_BACKDROP) at /build/buildd/gtk+3.0-3.4.1/./gtk/gtkstylecontext.c:1104 path = 0x1ed4080 priv = 0x1cfc700 __PRETTY_FUNCTION__ = "style_data_lookup" ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: gnome-panel 1:3.4.1-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14 Uname: Linux 3.2.0-23-generic x86_64 ApportVersion: 2.0.1-0ubuntu4 Architecture: amd64 Date: Tue Apr 17 22:41:22 2012 ExecutablePath: /usr/bin/gnome-panel InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20111005) ProcCmdline: gnome-panel --replace SegvAnalysis: Segfault happened at: 0x7fd6185d6ded <g_slice_alloc+477>: mov 0x8(%rax),%rbx PC (0x7fd6185d6ded) ok source "0x8(%rax)" (0x1e56d0008) not located in a known VMA region (needed readable region)! destination "%rbx" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: gnome-panel StacktraceTop: g_slice_alloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 g_slice_alloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 gtk_widget_path_new () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 gtk_widget_path_copy () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 Title: gnome-panel crashed with SIGSEGV in g_slice_alloc() UpgradeStatus: Upgraded to precise on 2012-02-25 (52 days ago) UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-panel/+bug/984357/+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
