Bug 359784

Summary:	Crash when hovering over applications on task manager
Product:	[Plasma] plasmashell	Reporter:	Elliott Berglund <exevolution>
Component:	Task Manager and Icons-Only Task Manager	Assignee:	Eike Hein <hein>
Status:	RESOLVED DUPLICATE
Severity:	major	CC:	opensuse.lietuviu.kalba, plasma-bugs
Priority:	NOR
Version:	master
Target Milestone:	1.0
Platform:	Gentoo Packages
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description Elliott Berglund 2016-02-25 07:40:28 UTC

Any time I hover over an application on the task manager after clicking on the task manager, plasmashell crashes with a segfault.

Reproducible: Always

Steps to Reproduce:
1. Open Konsole
2. Hover over Konsole on the task manager.
2. Click on the task manager.
3. Hover over Konsole on the task manager.

Actual Results:  
plasmashell crashes

Signal: Segmentation fault (11)

Expected Results:  
Display the thumbnails.

This is running on a Hyper-V virtual machine running the fbdev graphics driver.

Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fcbdd749840 (LWP 30327))]

Thread 12 (Thread 0x7fcbc8609700 (LWP 30360)):
#0  0x00007fcbd7f5157d in ?? () from /lib64/libc.so.6
#1  0x000000000193a070 in ?? ()
#2  0x00007ffc5a10d9ef in ?? ()
#3  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#4  0x007ffc5a10dd3000 in ?? ()
#5  0x00000003543d0000 in ?? ()
#6  0x007fcbdb19031900 in ?? ()
#7  0x0000000192d0e800 in ?? ()
#8  0x007fcbd889128000 in ?? ()
#9  0x007fcbd889128000 in ?? ()
#10 0x007fcbdbef4abe00 in ?? ()
#11 0x00000001921bf000 in ?? ()
#12 0x00000001929ff000 in ?? ()
#13 0x007fcbd889129800 in ?? ()
#14 0x007fcbc9b16e5500 in ?? ()
#15 0x00000001979a5000 in ?? ()
#16 0x1a6730b775b60000 in ?? ()
#17 0x007ffc5a10da70d7 in ?? ()
#18 0x1a6730b775b60000 in ?? ()
#19 0x00000003543d00d7 in ?? ()
#20 0x007ffc5a10daa000 in ?? ()
#21 0x00000003543d0000 in ?? ()
#22 0x007ffc5a10dd3000 in ?? ()
#23 0x0000000000000600 in ?? ()
#24 0x1a6730b775b60000 in ?? ()
#25 0x00000000000000d7 in ?? ()
#26 0x00000003543d0000 in ?? ()
#27 0x007ffc5a10dd3000 in ?? ()
#28 0x00000001921bf000 in ?? ()
#29 0x0000000000040100 in ?? ()
#30 0x00000003543d0000 in ?? ()
#31 0x007fcbc9b43ee000 in ?? ()
#32 0x007fcbc489f62500 in ?? ()
#33 0x007ffc5a10dd3000 in ?? ()
#34 0x00000003543d0000 in ?? ()
#35 0x007ffc5a10dd3000 in ?? ()
#36 0x007fcbd921892c00 in ?? ()
#37 0x00000001929ff000 in ?? ()
#38 0x007ffc5a10dd3000 in ?? ()
#39 0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fcbc5b79700 (LWP 30403)):
#0  0x00007fcbd3dff4b9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fcbd3dbae50 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fcbd3dbb05c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fcbd882071b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#4  0x00007fcbd87d26fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fcbd862bc74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#6  0x00007fcbdadc4665 in ?? () from /usr/lib64/libQt5Qml.so.5
#7  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#8  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#9  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fcbb5e65700 (LWP 30423)):
#0  0x00007fcbd7769faf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcbbf959ca3 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fcbbf959b07 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fcbb5664700 (LWP 30424)):
#0  0x00007fcbd7769faf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcbbf959ca3 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fcbbf959b07 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7fcbb4e63700 (LWP 30425)):
#0  0x00007fcbd7769faf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcbbf959ca3 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fcbbf959b07 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7fcbb4662700 (LWP 30426)):
#0  0x00007fcbd7769faf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcbbf959ca3 in ?? () from /usr/lib64/dri/swrast_dri.so
#2  0x00007fcbbf959b07 in ?? () from /usr/lib64/dri/swrast_dri.so
#3  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fcbb0db0700 (LWP 30442)):
#0  0x00007fcbd7f669af in __register_atfork () from /lib64/libc.so.6
#1  0x00007fcbd7f51572 in ?? () from /lib64/libc.so.6
#2  0x00007fcbd862bc74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#3  0x00007fcbdadc4665 in ?? () from /usr/lib64/libQt5Qml.so.5
#4  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#5  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#7  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fcbaab8a700 (LWP 30443)):
#0  0x00007fcbd3dff4b9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fcbd3dba98c in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fcbd3dbaef0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fcbd3dbb05c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fcbd882071b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fcbd87d26fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007fcbd862bc74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007fcbdadc4665 in ?? () from /usr/lib64/libQt5Qml.so.5
#8  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#9  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fcba9316700 (LWP 30446)):
#0  0x00007fcbd7769faf in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00007fcbdd17e1a4 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007fcbdd17e1e9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fcb22579700 (LWP 30455)):
#0  0x00007fcbd3dff4b9 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007fcbd3dba98c in g_main_context_check () from /usr/lib64/libglib-2.0.so.0
#2  0x00007fcbd3dbaef0 in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007fcbd3dbb05c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fcbd882071b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#5  0x00007fcbd87d26fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007fcbd862bc74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#7  0x00007fcbdb74bf76 in ?? () from /usr/lib64/libQt5Quick.so.5
#8  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#9  0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#10 0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fcb119ec700 (LWP 32340)):
#0  0x00007fcbd7f4d56d in faccessat () from /lib64/libc.so.6
#1  0x00007fcbd3dc9e70 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x0000000000000001 in ?? ()
#3  0x00007fcbd3dbaef0 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007fcbd3dbb05c in g_main_context_iteration () from /usr/lib64/libglib-2.0.so.0
#5  0x00007fcbd882071b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#6  0x00007fcbd87d26fa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib64/libQt5Core.so.5
#7  0x00007fcbd862bc74 in QThread::exec() () from /usr/lib64/libQt5Core.so.5
#8  0x00007fcb128b13b7 in KCupsConnection::run() () from /usr/lib64/libkcupslib.so
#9  0x00007fcbd8630292 in ?? () from /usr/lib64/libQt5Core.so.5
#10 0x00007fcbd7764424 in start_thread () from /lib64/libpthread.so.0
#11 0x00007fcbd7f5a5fd in epoll_pwait () from /lib64/libc.so.6
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fcbdd749840 (LWP 30327)):
#0  0x00007fcbd7f2a3cd in fork () from /lib64/libc.so.6
Backtrace stopped: Cannot access memory at address 0x100000007

Comment 1 opensuse.lietuviu.kalba 2016-02-25 09:03:01 UTC

I believe this is same as bug#357895, fixed for plasma-framework-5.20

*** This bug has been marked as a duplicate of bug 357895 ***