python2.7 crashed with SIGSEGV in PyObject_Free()

[Corbin]

python2.7 crashed after a failed update. Apport poped up, so I am reporting. If you need more info, just tell me what.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: python2.7-minimal 2.7.2-5
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Mon Sep 19 11:50:16 2011
ExecutablePath: /usr/bin/python2.7
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
ProcCmdline: /usr/bin/python2.7 -m py_compile -
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x80a9884 <PyObject_Free+20>: mov 0x10(%eax),%ecx
 PC (0x080a9884) ok
 source "0x10(%eax)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%ecx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: python2.7
StacktraceTop:
 PyObject_Free ()
 ?? ()
 ?? ()
 ?? ()
 PyNode_Free ()
Title: python2.7 crashed with SIGSEGV in PyObject_Free()
UpgradeStatus: Upgraded to oneiric on 2011-09-09 (10 days ago)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 PyObject_Free (p=0x80) at ../Objects/obmalloc.c:969
 freechildren (n=<optimized out>) at ../Parser/node.c:137
 freechildren (n=0xb74cc920) at ../Parser/node.c:133
 freechildren (n=0xb74cc908) at ../Parser/node.c:133
 freechildren (n=0xb74cc8f0) at ../Parser/node.c:133

[Matthias Klose (doko)]

is this reproducible?

[Corbin (corbin)]

Probably not. I did have it occur multiple different times, but I couldn't see any relation between them, and never tried to reproduce it. Unfortunately, I have since downgraded to Natty, so I cannot provide any further assistance.

[Launchpad Janitor (janitor)]

[Expired for python2.7 (Ubuntu) because there has been no activity for 60 days.]