nepomukserver crashed with SIGSEGV in qUnregisterGuiVariant()

[Michael Sparmann]

Apport just suddently reported this crash for no apparent reason, I was not actively using nepomuk at that time.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: nepomuk-core 4:4.9.4-0ubuntu0.1
ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4
Uname: Linux 3.5.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Tue Feb 26 19:37:49 2013
ExecutablePath: /usr/bin/nepomukserver
MarkForUpload: True
ProcCmdline: /usr/bin/nepomukserver
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f199a1d681c <_ZN9QHashData14detach_helper2EPFvPNS_4NodeEPvEPFvS1_Eii+236>: mov (%rax,%rdx,8),%rbx
 PC (0x7f199a1d681c) ok
 source "(%rax,%rdx,8)" (0x00000040) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: nepomuk-core
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 __cxa_finalize () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? ()
 ?? () from /lib64/ld-linux-x86-64.so.2
Title: nepomukserver crashed with SIGSEGV in __cxa_finalize()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo vboxusers

[Apport retracing service (apport)]

StacktraceTop:
 qUnregisterGuiVariant () at kernel/qguivariant.cpp:826
 qUnregisterGuiVariant__dest_class__::~qUnregisterGuiVariant__dest_class__ (this=0x7f19996da250 <qUnregisterGuiVariant__dest_instance__>, __in_chrg=<optimized out>) at kernel/qguivariant.cpp:826
 __cxa_finalize (d=0x7f19996d5f40) at cxa_finalize.c:56
 __do_global_dtors_aux () from /tmp/apport_sandbox_LAPh_s/usr/lib/x86_64-linux-gnu/libQtGui.so.4
 ?? ()