This is the same as https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1418209, but I believe I was able to get a stack trace this time.
ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: gnome-shell 3.14.3-0ubuntu2
ProcVersionSignature: Ubuntu 3.18.0-12.13-generic 3.18.4
Uname: Linux 3.18.0-12-generic x86_64
ApportVersion: 2.16-0ubuntu1
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME
Date: Sat Feb 7 08:00:58 2015
DisplayManager:
ExecutablePath: /usr/bin/gnome-shell
ExecutableTimestamp: 1420773729
GsettingsChanges:
b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'"
b'org.gnome.desktop.interface' b'clock-format' b"'12h'"
InstallationDate: Installed on 2015-01-23 (14 days ago)
InstallationMedia: Ubuntu-GNOME 15.04 "Vivid Vervet" - Alpha amd64 (20150120.1)
ProcCmdline: /usr/bin/gnome-shell
ProcCwd: /home/matt
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
Signal: 4
SourcePackage: gnome-shell
StacktraceSource:
#0 0x00007f8baf789516 in ?? ()
#1 0x00000000007f8390 in ?? ()
#2 0x00007fffc9f97de0 in ?? ()
#3 0x0000000000000003 in ?? ()
#4 0x0000000000000000 in ?? ()
StacktraceTop:
?? ()
?? ()
?? ()
?? ()
?? ()
Title: gnome-shell crashed with SIGILL
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
StacktraceSource:
#0 0x00007f8baf789516 in ?? ()
#1 0x00000000007f8390 in ?? ()
#2 0x00007fffc9f97de0 in ?? ()
#3 0x0000000000000003 in ?? ()
#4 0x0000000000000000 in ?? ()
StacktraceTop:
?? ()
?? ()
?? ()
?? ()
?? ()