systemsettings crashed with SIGSEGV in free()

[Kim Rendell]

Binary package hint: kdebase-workspace

Kubuntu 9.04

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/systemsettings
NonfreeKernelModules: nvidia
Package: systemsettings 4:4.2.2-0ubuntu2
ProcCmdline: /usr/bin/systemsettings -caption System\ Settings -icon preferences-system
ProcEnviron:
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: kdebase-workspace
StacktraceTop:
 free () from /lib/tls/i686/cmov/libc.so.6
 qFree () from /usr/lib/libQtCore.so.4
 ?? () from /usr/lib/libQtCore.so.4
 ?? () from /usr/lib/libQtCore.so.4
 ?? () from /usr/lib/libQtCore.so.4
Title: systemsettings crashed with SIGSEGV in free()
Uname: Linux 2.6.28-15-generic i686
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video
SegvAnalysis:
 Segfault happened at: 0xb67365a1 <free+129>: cmpxchg %ecx,(%esi)
 PC (0xb67365a1) ok
 source "%ecx" ok
 destination "(%esi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA

[Apport retracing service (apport)]

StacktraceTop:*__GI___libc_free (mem=0x9c2c2d0) at malloc.c:3623
qFree (ptr=0x9c2c2d0) at global/qmalloc.cpp:60
QList<QObjectPrivate::Connection>::free (this=0xa03b44c,
~QList (this=0x1)
QVector<QList<QObjectPrivate::Connection> >::free (

[Jonathan Thomas (echidnaman)]

Can you recall what you were doing in System Settings at the time of the crash?

[Jonathan Thomas (echidnaman)]

We are closing this bug report because it lacks the information we need to investigate the problem, as described in the previous comments. Please reopen it if you can give us the missing information, and don't hesitate to submit bug reports in the future. To reopen the bug report you can click on the current status, under the Status column, and change the Status back to "New". Thanks again!