Application: kactivitymanagerd (1.0)
KDE Platform Version: 4.7.2 (4.7.2) "release 5"
Qt Version: 4.7.4
Operating System: Linux 3.1.9-1.4-desktop i686
Distribution: "openSUSE 12.1 (i586)"

-- Information about the crash:
- What I was doing when the application crashed: I wanted to "change user" to root (for being able to run gparted)

- Unusual behavior I noticed:
system crash ........

-- Backtrace:
Application: KDE Activity Manager (kactivitymanagerd), signal: Segmentation fault
[KCrash Handler]
#6  0xb6b6d61b in fetchAndAddOrdered (valueToAdd=1, this=0xb5f4eff8) at ../../src/corelib/arch/qatomic_i386.h:163
#7  fetchAndAddAcquire (valueToAdd=1, this=0xb5f4eff8) at ../../src/corelib/arch/qatomic_i386.h:296
#8  QMutex::lock (this=0x8131d2c) at thread/qmutex.cpp:159
#9  0xb58d4d98 in QMutexLocker (m=0x8131d2c, this=<synthetic pointer>) at /usr/include/QtCore/qmutex.h:102
#10 Soprano::Client::SocketHandler::~SocketHandler (this=0x8130c90, __in_chrg=<optimized out>) at /usr/src/debug/soprano-2.7.2/client/clientconnection.cpp:58
#11 0xb58d4ee2 in Soprano::Client::SocketHandler::~SocketHandler (this=0x8130c90, __in_chrg=<optimized out>) at /usr/src/debug/soprano-2.7.2/client/clientconnection.cpp:61
#12 0xb63eeda3 in QThreadStorage<QFontCache*>::deleteData (x=0x8130c90) at ../../src/corelib/thread/qthreadstorage.h:133
#13 0xb6b7073b in QThreadStorageData::set (this=0x80dfd68, p=0x0) at thread/qthreadstorage.cpp:165
#14 0xb63eb1ad in qThreadStorage_setLocalData<QFontCache> (d=..., t=<optimized out>) at ../../src/corelib/thread/qthreadstorage.h:92
#15 setLocalData (t=0x0, this=0x80dfd68) at ../../src/corelib/thread/qthreadstorage.h:148
#16 QFontCache::cleanup () at text/qfont.cpp:2632
#17 0xb64c2584 in QFont::cleanup () at text/qfont_x11.cpp:182
#18 0xb622cd1f in qt_cleanup () at kernel/qapplication_x11.cpp:2661
#19 0xb61af969 in QApplication::~QApplication (this=0xbfc58150, __in_chrg=<optimized out>) at kernel/qapplication.cpp:1180
#20 0xb74e8378 in KApplication::~KApplication (this=0xbfc58150, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kapplication.cpp:894
#21 0xb74f0138 in KUniqueApplication::~KUniqueApplication (this=0xbfc58150, __in_chrg=<optimized out>) at /usr/src/debug/kdelibs-4.7.2/kdeui/kernel/kuniqueapplication.cpp:347
#22 0x0804cc44 in ?? ()
#23 0xb5e00003 in __libc_start_main () from /lib/libc.so.6
#24 0x0804cc7d in _start ()

Possible duplicates by query: bug 296467, bug 294718, bug 292640, bug 292436, bug 276844.

Reported using DrKonqi