plasma-desktop crashed with SIGSEGV in QMetaObject::activate()

[Dmitriy Safronov]

Binary package hint: kdebase-workspace

this bug appears when switching kde menu back from classic to modern view

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: plasma-desktop 4:4.6.2a-0ubuntu3 [modified: usr/bin/plasma-desktop usr/lib/kconf_update_bin/plasma-add-shortcut-to-menu usr/lib/kconf_update_bin/plasma-to-plasma-desktop usr/lib/kde4/libkdeinit/libkdeinit4_plasma-desktop.so]
ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sat Apr 9 22:25:10 2011
ExecutablePath: /usr/bin/plasma-desktop
InstallationMedia: Kubuntu 11.04 "Natty Narwhal" - Beta 1 amd64 (20110329.1)
ProcCmdline: /usr/bin/plasma-desktop --nocrashhandler
ProcEnviron:
 SHELL=/bin/bash
 LC_MESSAGES=ru_RU.UTF-8
 LANG=ru_RU.UTF-8
 LANGUAGE=ru_RU
SegvAnalysis:
 Segfault happened at: 0x7f448ccc94ed: mov (%rbx),%rax
 PC (0x7f448ccc94ed) ok
 source "(%rbx)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: kdebase-workspace
StacktraceTop:
 ?? () from /usr/lib/kde4/plasma_applet_simplelauncher.so
 ?? () from /usr/lib/kde4/plasma_applet_simplelauncher.so
 QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/libQtCore.so.4
 QAbstractItemModel::rowsInserted(QModelIndex const&, int, int) () from /usr/lib/libQtCore.so.4
 QAbstractItemModel::endInsertRows() () from /usr/lib/libQtCore.so.4
Title: plasma-desktop crashed with SIGSEGV in QMetaObject::activate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 Kickoff::MenuView::rowsInserted (this=0x1c7cf00, parent=..., start=0, end=0) at ../../../../../plasma/desktop/applets/kickoff/simpleapplet/menuview.cpp:403
 Kickoff::MenuView::qt_metacall (this=0x1c7cf00, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffbd7f4dc0) at ./menuview.moc:93
 QMetaObject::activate (sender=0x1c8c630, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fffbd7f4dc0) at kernel/qobject.cpp:3287
 QAbstractItemModel::rowsInserted (this=<value optimized out>, _t1=<value optimized out>, _t2=0, _t3=0) at .moc/release-shared/moc_qabstractitemmodel.cpp:181
 QAbstractItemModel::endInsertRows (this=0x1c8c630) at kernel/qabstractitemmodel.cpp:2412

[Harald Sitter (apachelogger)]

Might be from a patch.

[Harald Sitter (apachelogger)]

Was an upstream bug, should be fixed now.