linguist-qt4 crashed with SIGSEGV in QMetaObject::activate()

Crashed while switching between different strings to translate.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: qt4-dev-tools 4:4.7.3-4ubuntu6
ProcVersionSignature: Ubuntu 3.0.0-9.15-generic 3.0.3
Uname: Linux 3.0.0-9-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Wed Aug 31 09:58:40 2011
ExecutablePath: /usr/bin/linguist-qt4
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
ProcCmdline: /usr/bin/linguist-qt4 /home/username/Desktop/retroshare_de.ts
SegvAnalysis:
 Segfault happened at: 0x48942a: mov 0x10(%rbp),%rax
 PC (0x0048942a) ok
 source "0x10(%rbp)" (0x00000010) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: qt4-x11
StacktraceTop:
 ?? ()
 ?? ()
 QMetaObject::activate (sender=0xf41080, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7fff0c032010) at kernel/qobject.cpp:3278
 QAction::triggered (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qaction.cpp:263
 QAction::activate (this=0xf41080, event=<optimized out>) at kernel/qaction.cpp:1257
Title: linguist-qt4 crashed with SIGSEGV in QMetaObject::activate()
UpgradeStatus: Upgraded to oneiric on 2011-08-27 (3 days ago)
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