Bug 327179

Summary: Crash when deleteing a PPA from muon-discover sources
Product: [Unmaintained] muon Reporter: Jonathan Riddell <jr>
Component: discoverAssignee: Jonathan Thomas <echidnaman>
Status: RESOLVED WORKSFORME    
Severity: crash CC: aleixpol
Priority: NOR Keywords: triaged
Version First Reported In: 2.1.1   
Target Milestone: ---   
Platform: unspecified   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Jonathan Riddell 2013-11-05 16:33:12 UTC 
I get a crash when deleteing a PPA from muon-discover sources

Reproducible: Always

Steps to Reproduce:
1. run muon-discover
2. swich to sources tab
3. delete a PPA
Actual Results:  
Boom

Expected Results:  
Aah

Application: Muon Discover (muon-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fe6cc0247c0 (LWP 11744))]

Thread 8 (Thread 0x7fe6b167e700 (LWP 11745)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe6c581006b in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007fe6c58100a9 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007fe6c19adf6e in start_thread (arg=0x7fe6b167e700) at pthread_create.c:311
#4  0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 7 (Thread 0x7fe6302fe700 (LWP 11746)):
#0  0x00007fe6c8ce9f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c14d56a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6c946fa76 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c934088f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6c9422d13 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fe6c19adf6e in start_thread (arg=0x7fe6302fe700) at pthread_create.c:311
#10 0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 6 (Thread 0x7fe62ec46700 (LWP 11747)):
#0  0x00007fe6c8ce9f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c14d56a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6c946fa55 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c934088f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe6c19adf6e in start_thread (arg=0x7fe62ec46700) at pthread_create.c:311
#9  0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 5 (Thread 0x7fe62d78e700 (LWP 11748)):
#0  0x00007fe6c8ce9f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c14d56a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6c946fa76 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c934088f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe6c19adf6e in start_thread (arg=0x7fe62d78e700) at pthread_create.c:311
#9  0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 4 (Thread 0x7fe620b44700 (LWP 11750)):
#0  0x00007fe6c8ceede3 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c941fad1 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fe6c19adf6e in start_thread (arg=0x7fe620b44700) at pthread_create.c:311
#4  0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7fe613141700 (LWP 11755)):
#0  0x00007fe6c8ce9f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c14d56a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6c946fa55 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c934088f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6cb06419e in ?? () from /usr/lib/x86_64-linux-gnu/libQtDeclarative.so.4
#8  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fe6c19adf6e in start_thread (arg=0x7fe613141700) at pthread_create.c:311
#10 0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7fe612940700 (LWP 11756)):
#0  0x00007fe6c8ce9f7d in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe6c14d56a4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fe6c946fa76 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c934088f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6c9342f2f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe6c19adf6e in start_thread (arg=0x7fe612940700) at pthread_create.c:311
#9  0x00007fe6c8cf69cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7fe6cc0247c0 (LWP 11744)):
[KCrash Handler]
#5  0x00007fe6c94567e7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fe6c93d633f in QProcess::finished(int, QProcess::ExitStatus) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fe6c93dae1a in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fe6c93dae7e in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fe6c9456a58 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fe6c94a130e in QSocketNotifier::activated(int) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fe6c945f7cb in QSocketNotifier::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#12 0x00007fe6c9e33dfc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#13 0x00007fe6c9e3a470 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007fe6cab3da6a in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#15 0x00007fe6c94428bd in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#16 0x00007fe6c9470590 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#17 0x00007fe6c14d53b6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fe6c14d5708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fe6c14d57ac in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fe6c946fa55 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007fe6c9ed59d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#22 0x00007fe6c94415ef in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#23 0x00007fe6c94418e5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#24 0x00007fe6c9446e5b in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#25 0x000000000040b4cc in main (argc=1, argv=0x7fff0e49b008) at /home/jr/src/muon/muon/discover/main.cpp:86
Comment 1 Jonathan Riddell 2013-11-05 16:43:04 UTC 
I was using 2.1 branch from git
Comment 2 Aleix Pol 2014-01-14 00:42:02 UTC 
Doesn't crash for me, can you still reproduce?
Comment 3 Andrew Crouthamel 2018-09-25 03:49:54 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 set the bug status 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 Andrew Crouthamel 2018-10-27 03:40:22 UTC 
Dear Bug Submitter,

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!