Bug 310138

Summary: application crash while removind a plasama panel on second monitor
Product: [Unmaintained] kdelibs Reporter: X <mulderul>
Component: kdecoreAssignee: kdelibs bugs <kdelibs-bugs>
Status: RESOLVED WORKSFORME    
Severity: crash    
Priority: NOR    
Version: 4.8.5   
Target Milestone: ---   
Platform: Ubuntu   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description X 2012-11-15 10:04:24 UTC 
Application: plasma-desktop (0.4)
KDE Platform Version: 4.8.5 (4.8.5)
Qt Version: 4.8.1
Operating System: Linux 3.2.0-32-generic i686
Distribution: Ubuntu 12.04.1 LTS

-- Information about the crash:
- What I was doing when the application crashed:
After a restart I investigated a crash of KDE (in crash report asistant) in monitor 1 and removed a plasma panel from the second monitor and a new crash report was popup.

- Unusual behavior I noticed:
Periodicaly some kde application crashes (or kde itself) and pc hangs continously running the hdd and havind problems even with the mouse pointer that move slowly or stop responding.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0xb7780740 (LWP 3215))]

Thread 6 (Thread 0xb0611b40 (LWP 3220)):
#0  0x00265898 in pthread_mutex_unlock (mutex=0xafd00550) at forward.c:184
#1  0x0567d410 in g_mutex_unlock () from /lib/i386-linux-gnu/libglib-2.0.so.0
#2  0x0563e09b in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#3  0x0563e201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#4  0x02a4e8e7 in QEventDispatcherGlib::processEvents (this=0xafd00468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#5  0x02a1a50d in QEventLoop::processEvents (this=0xb0611240, flags=...) at kernel/qeventloop.cpp:149
#6  0x02a1a7a9 in QEventLoop::exec (this=0xb0611240, flags=...) at kernel/qeventloop.cpp:204
#7  0x0290394c in QThread::exec (this=0x9743a20) at thread/qthread.cpp:501
#8  0x029f7b5d in QInotifyFileSystemWatcherEngine::run (this=0x9743a20) at io/qfilesystemwatcher_inotify.cpp:248
#9  0x02906de0 in QThreadPrivate::start (arg=0x9743a20) at thread/qthread_unix.cpp:298
#10 0x0895cd4c in start_thread (arg=0xb0611b40) at pthread_create.c:308
#11 0x00257d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 5 (Thread 0xaf0a5b40 (LWP 3274)):
#0  0x00e6fdcd in __GI_clock_gettime (clock_id=1, tp=0xaf0a4fb8) at ../sysdeps/unix/clock_gettime.c:116
#1  0x02965315 in do_gettime (frac=0xaf0a4fb0, sec=0xaf0a4fa8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x02a4f226 in QTimerInfoList::updateCurrentTime (this=0xae702074) at kernel/qeventdispatcher_unix.cpp:343
#4  0x02a4f57a in QTimerInfoList::timerWait (this=0xae702074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x02a4de23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xaf0a50bc) at kernel/qeventdispatcher_glib.cpp:136
#6  0x02a4debd in timerSourcePrepare (source=0xae702040, timeout=<optimized out>) at kernel/qeventdispatcher_glib.cpp:169
#7  0x0563d872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0563dfaf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x0563e201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#10 0x02a4e8e7 in QEventDispatcherGlib::processEvents (this=0xae700468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#11 0x02a1a50d in QEventLoop::processEvents (this=0xaf0a5240, flags=...) at kernel/qeventloop.cpp:149
#12 0x02a1a7a9 in QEventLoop::exec (this=0xaf0a5240, flags=...) at kernel/qeventloop.cpp:204
#13 0x0290394c in QThread::exec (this=0x9bf7278) at thread/qthread.cpp:501
#14 0x029f7b5d in QInotifyFileSystemWatcherEngine::run (this=0x9bf7278) at io/qfilesystemwatcher_inotify.cpp:248
#15 0x02906de0 in QThreadPrivate::start (arg=0x9bf7278) at thread/qthread_unix.cpp:298
#16 0x0895cd4c in start_thread (arg=0xaf0a5b40) at pthread_create.c:308
#17 0x00257d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 4 (Thread 0xadfdcb40 (LWP 3286)):
#0  0x008c8416 in __kernel_vsyscall ()
#1  0x0896096b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0026564c in __pthread_cond_wait (cond=0x201d890, mutex=0x201d878) at forward.c:139
#3  0x01f19029 in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#4  0x01f1906f in ?? () from /usr/lib/i386-linux-gnu/libQtScript.so.4
#5  0x0895cd4c in start_thread (arg=0xadfdcb40) at pthread_create.c:308
#6  0x00257d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xace2fb40 (LWP 3292)):
#0  0x008c8416 in __kernel_vsyscall ()
#1  0x0896096b in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_wait.S:169
#2  0x0026564c in __pthread_cond_wait (cond=0x535ba30, mutex=0x535ba18) at forward.c:139
#3  0x04c2a263 in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#4  0x04c2a37f in ?? () from /usr/lib/i386-linux-gnu/libQtWebKit.so.4
#5  0x0895cd4c in start_thread (arg=0xace2fb40) at pthread_create.c:308
#6  0x00257d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xac506b40 (LWP 3293)):
#0  0x00e6fdcd in __GI_clock_gettime (clock_id=1, tp=0xac506008) at ../sysdeps/unix/clock_gettime.c:116
#1  0x02965315 in do_gettime (frac=0xac506000, sec=0xac505ff8) at tools/qelapsedtimer_unix.cpp:123
#2  qt_gettime () at tools/qelapsedtimer_unix.cpp:140
#3  0x02a4f226 in QTimerInfoList::updateCurrentTime (this=0xae302074) at kernel/qeventdispatcher_unix.cpp:343
#4  0x02a4f57a in QTimerInfoList::timerWait (this=0xae302074, tm=...) at kernel/qeventdispatcher_unix.cpp:450
#5  0x02a4de23 in timerSourcePrepareHelper (src=<optimized out>, timeout=0xac5060ec) at kernel/qeventdispatcher_glib.cpp:136
#6  0x0563d872 in g_main_context_prepare () from /lib/i386-linux-gnu/libglib-2.0.so.0
#7  0x0563dfaf in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#8  0x0563e201 in g_main_context_iteration () from /lib/i386-linux-gnu/libglib-2.0.so.0
#9  0x02a4e8e7 in QEventDispatcherGlib::processEvents (this=0xae300468, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#10 0x02a1a50d in QEventLoop::processEvents (this=0xac506270, flags=...) at kernel/qeventloop.cpp:149
#11 0x02a1a7a9 in QEventLoop::exec (this=0xac506270, flags=...) at kernel/qeventloop.cpp:204
#12 0x0290394c in QThread::exec (this=0xa1a0ef0) at thread/qthread.cpp:501
#13 0x02903a3b in QThread::run (this=0xa1a0ef0) at thread/qthread.cpp:568
#14 0x02906de0 in QThreadPrivate::start (arg=0xa1a0ef0) at thread/qthread_unix.cpp:298
#15 0x0895cd4c in start_thread (arg=0xac506b40) at pthread_create.c:308
#16 0x00257d3e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb7780740 (LWP 3215)):
[KCrash Handler]
#7  0x02794182 in operator[] (i=0, this=0xae06308) at /usr/include/qt4/QtCore/qstring.h:701
#8  KShell::tildeExpand (fname=...) at ../../kdecore/util/kshell.cpp:57
#9  0x0267cb1a in KUrl::setPath (this=0xbfbd8b84, _path=...) at ../../kdecore/io/kurl.cpp:1776
#10 0x0051c7fd in KRecentDocument::add (openStr=..., isUrl=false) at ../../kio/kfile/krecentdocument.cpp:162
#11 0x004e0032 in KEncodingFileDialog::getSaveFileNameAndEncoding (encoding=..., dir=..., filter=..., parent=0x55eaff4, caption=...) at ../../kio/kfile/kencodingfiledialog.cpp:184
#12 0x00000001 in ?? ()

Reported using DrKonqi
Comment 1 Jekyll Wu 2012-11-15 11:32:52 UTC 
55   QString KShell::tildeExpand( const QString &fname )
56   {
57       if (fname.length() && fname[0] == QLatin1Char('~')) {
Comment 2 Andrew Crouthamel 2018-10-29 22:37:13 UTC 
Dear Bug Submitter,

This bug has been stagnant for a long time. Could you help us out and re-test if the bug is valid in the latest version? I am setting the status to NEEDSINFO pending your response, please change the Status back to REPORTED when you respond.

Thank you for helping us make KDE software even better for everyone!
Comment 3 Bug Janitor Service 2018-11-13 14:40:28 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 4 Bug Janitor Service 2018-11-29 04:55:44 UTC 
This bug has been in NEEDSINFO status with no change for at least
30 days. The bug is now closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

Thank you for helping us make KDE software even better for everyone!