do-partial-upgrade crashed with SIGSEGV in gtk_label_get_measuring_layout()

[graingert]

while doing an upgrade do-partial-upgrade crashed with SIGSEGV in gtk_label_get_measuring_layout()

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: ubuntu-release-upgrader-core 1:0.177
ProcVersionSignature: Ubuntu 3.5.0-9.9-generic 3.5.0
Uname: Linux 3.5.0-9-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.4-0ubuntu6
Architecture: amd64
Date: Tue Aug 14 01:03:17 2012
ExecutablePath: /usr/lib/ubuntu-release-upgrader/do-partial-upgrade
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20120201.1)
InterpreterPath: /usr/bin/python3.2mu
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/lib/ubuntu-release-upgrader/do-partial-upgrade --frontend=DistUpgradeViewGtk3
SegvAnalysis:
 Segfault happened at: 0x7f15e9d3fb38: testb $0x8,-0x4(%r8,%r9,4)
 PC (0x7f15e9d3fb38) ok
 source "$0x8" ok
 destination "-0x4(%r8,%r9,4)" (0xaaaaaaaaaaaaac2e) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: ubuntu-release-upgrader
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libpango-1.0.so.0
 gtk_label_get_measuring_layout (label=label@entry=0x33dd360, existing_layout=existing_layout@entry=0x0, width=width@entry=83968, height=height@entry=-1) at /build/buildd/gtk+3.0-3.5.10/./gtk/gtklabel.c:3218
 get_size_for_allocation (label=label@entry=0x33dd360, allocation=<optimized out>, minimum_size=minimum_size@entry=0x7f1591280ee8, natural_size=natural_size@entry=0x7f1591280eec, orientation=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/gtk+3.0-3.5.10/./gtk/gtklabel.c:3494
 gtk_label_get_preferred_height_for_width (widget=0x33dd360, width=82, minimum_height=0x7f1591280ee8, natural_height=0x7f1591280eec) at /build/buildd/gtk+3.0-3.5.10/./gtk/gtklabel.c:3782
Title: do-partial-upgrade crashed with SIGSEGV in gtk_label_get_measuring_layout()
UpgradeStatus: Upgraded to quantal on 2012-07-21 (23 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 #1036302, 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.