plymouthd crashed with SIGSEGV in free()

[chris]

During updating 12.04a

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: plymouth 0.8.2-2ubuntu28
ProcVersionSignature: Ubuntu 3.2.0-6.12-generic 3.2.0-rc6
Uname: Linux 3.2.0-6-generic i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
Date: Fri Dec 23 21:23:12 2011
ExecutablePath: /sbin/plymouthd
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111129.1)
ProcCmdline: /sbin/plymouthd --mode=boot --attach-to-session
ProcEnviron: PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x271efd: cmp 0xc(%eax),%esi
 PC (0x00271efd) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%esi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: policykit-1
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libc.so.6
 ?? () from /lib/i386-linux-gnu/libc.so.6
 free () from /lib/i386-linux-gnu/libc.so.6
 ?? ()
 ?? ()
Title: plymouthd crashed with SIGSEGV in free()
UpgradeStatus: Upgraded to precise on 2011-12-21 (2 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #846880, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.