offlineimap crashed with SIGSEGV in PyEval_EvalFrameEx()

[Paul Natsuo Kishimoto]

Binary package hint: offlineimap

OfflineIMAP is configured to run via a cron job:

*/6 * * * * /usr/bin/offlineimap

With configuration in ~/.offlineimaprc:

[general]
accounts = DreamHost
ui = Noninteractive.Basic

[Account DreamHost]
localrepository = Local
remoterepository = paul-kishimoto-name

[Repository Local]
type = Maildir
localfolders = ~/.local/share/offlineimap/Maildir
sep = /

[Repository paul-kishimoto-name]
type = IMAP
ssl = yes
remotehost = blah.blah.blah.mail.dreamhost.com
remoteuser = [...]
remotepass = [...]
maxconnections = 3
folderfilter = lambda foldername: foldername not in ['INBOX.Trash']

...the apport crash notification shows upon login.

ProblemType: Crash
Architecture: i386
CrashCounter: 1
Date: Wed Mar 24 01:06:07 2010
DistroRelease: Ubuntu 10.04
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/offlineimap
InstallationMedia: Ubuntu-Netbook 10.04 "Lucid Lynx" - Beta i386 (20100318)
InterpreterPath: /usr/bin/python2.6
Package: offlineimap 6.2.0+nmu2ubuntu1
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/offlineimap
ProcEnviron:
 PATH=(custom, no user)
 SHELL=/bin/sh
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic 2.6.32.10+drm33.1
SegvAnalysis:
 Segfault happened at: 0x80dcd86 <PyEval_EvalFrameEx+1414>: mov 0x2c(%ebx),%eax
 PC (0x080dcd86) ok
 source "0x2c(%ebx)" (0x0000002c) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: offlineimap
StacktraceTop:
 PyEval_EvalFrameEx ()
 PyEval_EvalFrameEx ()
 PyEval_EvalCodeEx ()
 ?? ()
 PyObject_Call ()
Title: offlineimap crashed with SIGSEGV in PyEval_EvalFrameEx()
Uname: Linux 2.6.32-17-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 PyEval_EvalFrameEx (f=0x8ddef64, throwflag=0)
 PyEval_EvalFrameEx (f=0x8ddbde4, throwflag=0)
 PyEval_EvalCodeEx (co=0x8ca60b0, globals=0x8ca04f4,
 function_call (func=0x8cb533c, arg=0x8d50c2c, kw=0x8e75acc)
 PyObject_Call (func=0x8cb533c, arg=0x8d50c2c, kw=0x8e75acc)

[dino99 (9d9)]

This version has expired long ago; no more supported