[kwin] [Bug 370336] Changing rendering backend hangs session

2017-12-29 Thread Martin Flöser 
https://bugs.kde.org/show_bug.cgi?id=370336

Martin Flöser  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|CONFIRMED   |RESOLVED

--- Comment #4 from Martin Flöser  ---
Setting to fixed as it's no longer reproducable.

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[kwin] [Bug 370336] Changing rendering backend hangs session

2017-10-04 Thread Martin Flöser 
https://bugs.kde.org/show_bug.cgi?id=370336

--- Comment #3 from Martin Flöser  ---
I'm no longer able to reproduce the issue. I can change backends without
hanging the session, also in general we have unit tests for it now. So I dare
to say it's a worksforme.

But I sometimes get a crash in DRM: #385372

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[kwin] [Bug 370336] Changing rendering backend hangs session

2017-03-19 Thread Martin Gräßlin 
https://bugs.kde.org/show_bug.cgi?id=370336

Martin Gräßlin  changed:

   What|Removed |Added

 CC||bugs-...@lagiewka.pl

--- Comment #2 from Martin Gräßlin  ---
*** Bug 374652 has been marked as a duplicate of this bug. ***

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[kwin] [Bug 370336] Changing rendering backend hangs session

2016-11-22 Thread Martin Gräßlin 
https://bugs.kde.org/show_bug.cgi?id=370336

Martin Gräßlin  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|UNCONFIRMED |CONFIRMED

--- Comment #1 from Martin Gräßlin  ---
backtrace from when it happens:

Thread 1 "kwin_wayland" received signal SIGINT, Interrupt.
0x7fa45a634b5d in poll () at ../sysdeps/unix/syscall-template.S:84
84  in ../sysdeps/unix/syscall-template.S
(gdb) t a a bt

Thread 11 (Thread 0x7fa43707a700 (LWP 1564)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x7fa45af56986 in QWaitConditionPrivate::wait_relative (time=3,
this=0x18e8130) at thread/qwaitcondition_unix.cpp:133
#2  QWaitConditionPrivate::wait (time=3, this=0x18e8130) at
thread/qwaitcondition_unix.cpp:141
#3  QWaitCondition::wait (this=this@entry=0x18e7f70,
mutex=mutex@entry=0x23a24c0, time=3) at thread/qwaitcondition_unix.cpp:215
#4  0x7fa45af5223a in QThreadPoolThread::run (this=0x18e7f60) at
thread/qthreadpool.cpp:133
#5  0x7fa45af55b98 in QThreadPrivate::start (arg=0x18e7f60) at
thread/qthread_unix.cpp:344
#6  0x7fa45bec470a in start_thread (arg=0x7fa43707a700) at
pthread_create.c:333
#7  0x7fa45a64082d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 10 (Thread 0x7fa422f44700 (LWP 1563)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x7fa45af56986 in QWaitConditionPrivate::wait_relative (time=3,
this=0x2487e90) at thread/qwaitcondition_unix.cpp:133
#2  QWaitConditionPrivate::wait (time=3, this=0x2487e90) at
thread/qwaitcondition_unix.cpp:141
#3  QWaitCondition::wait (this=this@entry=0x1bec680,
mutex=mutex@entry=0x23a24c0, time=3) at thread/qwaitcondition_unix.cpp:215
#4  0x7fa45af5223a in QThreadPoolThread::run (this=0x1bec670) at
thread/qthreadpool.cpp:133
#5  0x7fa45af55b98 in QThreadPrivate::start (arg=0x1bec670) at
thread/qthread_unix.cpp:344
#6  0x7fa45bec470a in start_thread (arg=0x7fa422f44700) at
pthread_create.c:333
#7  0x7fa45a64082d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 9 (Thread 0x7fa422743700 (LWP 1288)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7fa459f305c4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x7fa459f30609 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x7fa45bec470a in start_thread (arg=0x7fa422743700) at
pthread_create.c:333
#4  0x7fa45a64082d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 8 (Thread 0x7fa423745700 (LWP 1286)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7fa45af56a4b in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x268a080) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=, mutex=0x2689aa8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x7fa435246482 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/Qt/labs/folderlistmodel/libqmlfolderlistmodelplugin.so
#4  0x7fa45af55b98 in QThreadPrivate::start (arg=0x2689a98) at
thread/qthread_unix.cpp:344
#5  0x7fa45bec470a in start_thread (arg=0x7fa423745700) at
pthread_create.c:333
#6  0x7fa45a64082d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7fa423fff700 (LWP 1285)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x7fa45af56a4b in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x2689370) at
thread/qwaitcondition_unix.cpp:143
#2  QWaitCondition::wait (this=this@entry=0x27058c8,
mutex=mutex@entry=0x27058c0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3  0x7fa45af4fbfb in QSemaphore::acquire (this=0x2705208, n=1) at
thread/qsemaphore.cpp:143
---Type  to continue, or q  to quit---
#4  0x7fa444fc6578 in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libqtvirtualkeyboardplugin.so
#5  0x7fa45af55b98 in QThreadPrivate::start (arg=0x27051f0) at
thread/qthread_unix.cpp:344
#6  0x7fa45bec470a in start_thread (arg=0x7fa423fff700) at
pthread_create.c:333
#7  0x7fa45a64082d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7fa43502b700 (LWP 1284)):
#0  0x7fa45a634b5d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x7fa452f2739c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x7fa452f274ac in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x7fa45b18121f in QEventDispatcherGlib::processEvents
(this=0x7fa4280008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x7fa4

[kwin] [Bug 370336] Changing rendering backend hangs session

2016-10-29 Thread Martin Gräßlin 
https://bugs.kde.org/show_bug.cgi?id=370336

Martin Gräßlin  changed:

   What|Removed |Added

  Flags||Wayland+

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