qtdemo assert failure: *** glibc detected *** /usr/bin/qtdemo: double free or corruption (!prev): 0x09d4d290 ***

[MJ]

qtdemo crashed

qt version is 4.6 with kubuntu 10.4 alpha 2 with all updates

ProblemType: Crash
Architecture: i386
AssertionMessage: *** glibc detected *** /usr/bin/qtdemo: double free or corruption (!prev): 0x09d4d290 ***
CrashCounter: 1
Date: Mon Feb 1 22:32:10 2010
DistroRelease: Ubuntu 10.04
ExecutablePath: /usr/bin/qtdemo
InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
NonfreeKernelModules: nvidia
Package: qt4-demos 4:4.6.0-1ubuntu6
ProcCmdline: /usr/bin/qtdemo
ProcEnviron:
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
 LANGUAGE=
ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
Signal: 6
SourcePackage: qt4-x11
StacktraceTop:
 __kernel_vsyscall ()
 raise () from /lib/tls/i686/cmov/libc.so.6
 abort () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /lib/tls/i686/cmov/libc.so.6
 ?? () from /lib/tls/i686/cmov/libc.so.6
Title: qtdemo assert failure: *** glibc detected *** /usr/bin/qtdemo: double free or corruption (!prev): 0x09d4d290 ***
Uname: Linux 2.6.32-12-generic i686
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
XsessionErrors:
 (polkit-gnome-authentication-agent-1:1981): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed
 (process:1985): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed

[Jonathan Thomas (echidnaman)]

Looks like an nvidia driver crash.

[Bryce Harrington (bryce)]

Sorry, this seems to be a non-specific crash in kde without a valid stack trace. It cannot be analyzed as reported.