Bug 383586 - Disabling or enabling screen causes plasma crash
Summary: Disabling or enabling screen causes plasma crash
Status: RESOLVED DUPLICATE of bug 377251
Alias: None
Product: plasmashell
Classification: Plasma
Component: general (show other bugs)
Version: 5.8.6
Platform: Debian stable Linux
: NOR crash
Target Milestone: 1.0
Assignee: David Edmundson
URL:
Keywords: drkonqi
Depends on:
Blocks:
 
Reported: 2017-08-16 08:40 UTC by Benoit S.
Modified: 2017-09-04 12:45 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:

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Description Benoit S. 2017-08-16 08:40:20 UTC 
Application: plasmashell (5.8.6)

Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.9.0-3-amd64 x86_64
Distribution: Debian GNU/Linux 9.1 (stretch)

-- Information about the crash:
- What I was doing when the application crashed:

Enabling or Disabling external/internal screen on my laptop with kcm_kscreen.

plasma-destkop 5.8.6 from Debian 9.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fd524045940 (LWP 1638))]

Thread 16 (Thread 0x7fd444ff9700 (LWP 3937)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x7fd438002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd438002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd438002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd438002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd438002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x7fd438002f90) at ./src/thread.cpp:103
#10 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd438002f90) at thread/qthread_unix.cpp:368
#11 0x00007fd51df30494 in start_thread (arg=0x7fd444ff9700) at pthread_create.c:333
#12 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 15 (Thread 0x7fd4457fa700 (LWP 3936)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x7fd430002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#10 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#11 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#12 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#13 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#14 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#15 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#16 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd430002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#17 0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x7fd430002f90) at ./src/thread.cpp:103
#18 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd430002f90) at thread/qthread_unix.cpp:368
#19 0x00007fd51df30494 in start_thread (arg=0x7fd4457fa700) at pthread_create.c:333
#20 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 14 (Thread 0x7fd445ffb700 (LWP 3935)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x7fd434002f90, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd434002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd434002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd434002f90, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd434002f90, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x7fd434002f90) at ./src/thread.cpp:103
#10 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd434002f90) at thread/qthread_unix.cpp:368
#11 0x00007fd51df30494 in start_thread (arg=0x7fd445ffb700) at pthread_create.c:333
#12 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 13 (Thread 0x7fd4467fc700 (LWP 3934)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x7fd43c0023d0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd43c0023d0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd43c0023d0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd43c0023d0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd43c0023d0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x7fd43c0023d0) at ./src/thread.cpp:103
#10 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd43c0023d0) at thread/qthread_unix.cpp:368
#11 0x00007fd51df30494 in start_thread (arg=0x7fd4467fc700) at pthread_create.c:333
#12 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 12 (Thread 0x7fd446ffd700 (LWP 3933)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x563106b44750, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x563106b44750, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x563106b44750, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x563106b44750, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x563106b44750, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x563106b44750) at ./src/thread.cpp:103
#10 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x563106b44750) at thread/qthread_unix.cpp:368
#11 0x00007fd51df30494 in start_thread (arg=0x7fd446ffd700) at pthread_create.c:333
#12 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 11 (Thread 0x7fd4477fe700 (LWP 3932)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x7fd440001fe0, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#10 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#11 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#12 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#13 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#14 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x7fd440001fe0, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#15 0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x7fd440001fe0) at ./src/thread.cpp:103
#16 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd440001fe0) at thread/qthread_unix.cpp:368
#17 0x00007fd51df30494 in start_thread (arg=0x7fd4477fe700) at pthread_create.c:333
#18 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 10 (Thread 0x7fd447fff700 (LWP 3931)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x5631069be950, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631069be950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631069be950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631069be950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631069be950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631069be950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#10 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631069be950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#11 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631069be950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#12 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631069be950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#13 0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x5631069be950) at ./src/thread.cpp:103
#14 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x5631069be950) at thread/qthread_unix.cpp:368
#15 0x00007fd51df30494 in start_thread (arg=0x7fd447fff700) at pthread_create.c:333
#16 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7fd44e692700 (LWP 3930)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd51ee1ec6b in QWaitConditionPrivate::wait(unsigned long) (time=18446744073709551615, this=0x5631069a2650) at thread/qwaitcondition_unix.cpp:143
#2  0x00007fd51ee1ec6b in QWaitCondition::wait(QMutex*, unsigned long) (this=<optimized out>, mutex=0x563106167da0, time=time@entry=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3  0x00007fd469762f6b in ThreadWeaver::Weaver::blockThreadUntilJobsAreBeingAssigned_locked(ThreadWeaver::Thread*) (this=this@entry=0x56310754fa20, th=<optimized out>) at ./src/weaver.cpp:594
#4  0x00007fd469763d50 in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) (this=0x56310754fa20, th=<optimized out>, th@entry=0x5631062db950, threadWasBusy=threadWasBusy@entry=false, suspendIfInactive=suspendIfInactive@entry=false, justReturning=justReturning@entry=false) at ./src/weaver.cpp:554
#5  0x00007fd469767f88 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631062db950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:66
#6  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631062db950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#7  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631062db950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#8  0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631062db950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#9  0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631062db950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#10 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631062db950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#11 0x00007fd469767fe2 in ThreadWeaver::WorkingHardState::applyForWork(ThreadWeaver::Thread*, bool) (this=0x563105ffa5e0, th=0x5631062db950, wasBusy=<optimized out>) at ./src/workinghardstate.cpp:73
#12 0x00007fd469762ecd in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) (this=<optimized out>, th=0x5631062db950, wasBusy=<optimized out>) at ./src/weaver.cpp:568
#13 0x00007fd469765d99 in ThreadWeaver::Thread::run() (this=0x5631062db950) at ./src/thread.cpp:103
#14 0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x5631062db950) at thread/qthread_unix.cpp:368
#15 0x00007fd51df30494 in start_thread (arg=0x7fd44e692700) at pthread_create.c:333
#16 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 8 (Thread 0x7fd45032f700 (LWP 2539)):
#0  0x00007fd51e72d6ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd51a0a89f6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fd448000c00, timeout=<optimized out>, context=0x7fd448002cd0) at ././glib/gmain.c:4228
#2  0x00007fd51a0a89f6 in g_main_context_iterate (context=context@entry=0x7fd448002cd0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924
#3  0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd448002cd0, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#4  0x00007fd51f04206b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd448002c00, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd45032ec60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd51ee190f3 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fd5216aa6a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x563105eb4aa0) at thread/qthread_unix.cpp:368
#9  0x00007fd51df30494 in start_thread (arg=0x7fd45032f700) at pthread_create.c:333
#10 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7fd471990700 (LWP 1858)):
#0  0x00007fd51e72d6ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd51a0a89f6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fd46c0013e0, timeout=<optimized out>, context=0x7fd46c000990) at ././glib/gmain.c:4228
#2  0x00007fd51a0a89f6 in g_main_context_iterate (context=context@entry=0x7fd46c000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924
#3  0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd46c000990, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#4  0x00007fd51f04206b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd46c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd47198fc10, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd51ee190f3 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fd522034406 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x5631030a5fc0) at thread/qthread_unix.cpp:368
#9  0x00007fd51df30494 in start_thread (arg=0x7fd471990700) at pthread_create.c:333
#10 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 6 (Thread 0x7fd4fbfff700 (LWP 1801)):
#0  0x00007fd51df3615f in pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fd523aac2c4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fd523aac309 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fd51df30494 in start_thread (arg=0x7fd4fbfff700) at pthread_create.c:333
#4  0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 5 (Thread 0x7fd505f83700 (LWP 1766)):
#0  0x00007fd51a0ee104 in g_mutex_unlock (mutex=0x7fd4f4000990) at ././glib/gthread-posix.c:1348
#1  0x00007fd51a0a889d in g_main_context_iterate (context=context@entry=0x7fd4f4000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3877
#2  0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd4f4000990, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#3  0x00007fd51f04206b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd4f40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd505f82c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5  0x00007fd51ee190f3 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#6  0x00007fd5216aa6a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x563102b0ef00) at thread/qthread_unix.cpp:368
#8  0x00007fd51df30494 in start_thread (arg=0x7fd505f83700) at pthread_create.c:333
#9  0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7fd507bf2700 (LWP 1693)):
#0  0x00007fd51a0ee0e9 in g_mutex_lock (mutex=mutex@entry=0x7fd4fc000990) at ././glib/gthread-posix.c:1336
#1  0x00007fd51a0a8151 in g_main_context_query (context=context@entry=0x7fd4fc000990, max_priority=2147483647, timeout=timeout@entry=0x7fd507bf1b24, fds=fds@entry=0x7fd4fc002e70, n_fds=n_fds@entry=1) at ././glib/gmain.c:3606
#2  0x00007fd51a0a8968 in g_main_context_iterate (context=context@entry=0x7fd4fc000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3911
#3  0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd4fc000990, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#4  0x00007fd51f04206b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd4fc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd507bf1c60, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd51ee190f3 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fd5216aa6a5 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x563102aaae90) at thread/qthread_unix.cpp:368
#9  0x00007fd51df30494 in start_thread (arg=0x7fd507bf2700) at pthread_create.c:333
#10 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7fd50d75d700 (LWP 1664)):
#0  0x00007fd51e72d6ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd51a0a89f6 in g_main_context_poll (priority=<optimized out>, n_fds=1, fds=0x7fd500011e10, timeout=<optimized out>, context=0x7fd500000990) at ././glib/gmain.c:4228
#2  0x00007fd51a0a89f6 in g_main_context_iterate (context=context@entry=0x7fd500000990, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3924
#3  0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd500000990, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#4  0x00007fd51f04206b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fd5000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fd50d75cc50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6  0x00007fd51ee190f3 in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:507
#7  0x00007fd5241866d5 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#8  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x7fd5241fbd60) at thread/qthread_unix.cpp:368
#9  0x00007fd51df30494 in start_thread (arg=0x7fd50d75d700) at pthread_create.c:333
#10 0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7fd50ef58700 (LWP 1653)):
#0  0x00007fd51e72d6ad in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fd522a03150 in poll (__timeout=-1, __nfds=1, __fds=0x7fd50ef57b80) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  0x00007fd522a03150 in _xcb_conn_wait (c=c@entry=0x5631029f7e60, cond=cond@entry=0x5631029f7ea0, vector=vector@entry=0x0, count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3  0x00007fd522a04ee9 in xcb_wait_for_event (c=0x5631029f7e60) at ../../src/xcb_in.c:693
#4  0x00007fd510868b69 in QXcbEventReader::run() (this=0x563102a02530) at qxcbconnection.cpp:1343
#5  0x00007fd51ee1dda8 in QThreadPrivate::start(void*) (arg=0x563102a02530) at thread/qthread_unix.cpp:368
#6  0x00007fd51df30494 in start_thread (arg=0x7fd50ef58700) at pthread_create.c:333
#7  0x00007fd51e736aff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7fd524045940 (LWP 1638)):
[KCrash Handler]
#6  0x00007fd51f33b0f0 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::data() const (this=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:141
#7  0x00007fd51f33b0f0 in qGetPtrHelper<QScopedPointer<QObjectData> > (p=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:980
#8  0x00007fd51f33b0f0 in QWindow::d_func() const (this=<optimized out>) at kernel/qwindow.h:94
#9  0x00007fd51f33b0f0 in QWindow::screen() const (this=<optimized out>) at kernel/qwindow.cpp:1781
#10 0x00005631016ae724 in  ()
#11 0x00007fd51f01995e in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe5d438c90, r=0x563102a83f50, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#12 0x00007fd51f01995e in QMetaObject::activate(QObject*, int, int, void**) (sender=0x7ffe5d439560, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffe5d438c90) at kernel/qobject.cpp:3723
#13 0x00007fd51f019f07 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7fd51f761420 <QGuiApplication::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffe5d438c90) at kernel/qobject.cpp:3602
#14 0x00007fd51f32b952 in QGuiApplication::primaryScreenChanged(QScreen*) (this=<optimized out>, _t1=<optimized out>) at .moc/moc_qguiapplication.cpp:373
#15 0x00007fd51f31ebd9 in QPlatformIntegration::screenAdded(QPlatformScreen*, bool) (this=<optimized out>, ps=<optimized out>, isPrimary=<optimized out>) at kernel/qplatformintegration.cpp:466
#16 0x00007fd51086879d in QXcbConnection::createScreen(QXcbVirtualDesktop*, xcb_randr_output_change_t const&, xcb_randr_get_output_info_reply_t*) (this=this@entry=0x5631029e12d0, virtualDesktop=virtualDesktop@entry=0x563102a02e50, outputChange=..., outputInfo=outputInfo@entry=0x7fd50800a9f0) at qxcbconnection.cpp:356
#17 0x00007fd51086a237 in QXcbConnection::updateScreens(xcb_randr_notify_event_t const*) (this=this@entry=0x5631029e12d0, event=event@entry=0x5631080e9f10) at qxcbconnection.cpp:267
#18 0x00007fd51086ab93 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x5631029e12d0, event=event@entry=0x5631080e9f10) at qxcbconnection.cpp:1250
#19 0x00007fd51086b015 in QXcbConnection::processXcbEvents() (this=0x5631029e12d0) at qxcbconnection.cpp:1741
#20 0x00007fd51f01a499 in QObject::event(QEvent*) (this=0x5631029e12d0, e=<optimized out>) at kernel/qobject.cpp:1263
#21 0x00007fd51f8d0b8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007fd51f8d8341 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007fd51efed9e0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x5631029e12d0, event=event@entry=0x7fd50800ac10) at kernel/qcoreapplication.cpp:988
#24 0x00007fd51eff016d in QCoreApplication::sendEvent(QObject*, QEvent*) (event=0x7fd50800ac10, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#25 0x00007fd51eff016d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x5631029e1b90) at kernel/qcoreapplication.cpp:1649
#26 0x00007fd51eff05d8 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1503
#27 0x00007fd51f041c43 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x563102a1dd30) at kernel/qeventdispatcher_glib.cpp:276
#28 0x00007fd51a0a87f7 in g_main_dispatch (context=0x7fd5080016f0) at ././glib/gmain.c:3203
#29 0x00007fd51a0a87f7 in g_main_context_dispatch (context=context@entry=0x7fd5080016f0) at ././glib/gmain.c:3856
#30 0x00007fd51a0a8a60 in g_main_context_iterate (context=context@entry=0x7fd5080016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ././glib/gmain.c:3929
#31 0x00007fd51a0a8b0c in g_main_context_iteration (context=0x7fd5080016f0, may_block=may_block@entry=1) at ././glib/gmain.c:3990
#32 0x00007fd51f04204f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x563102a2ca30, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#33 0x00007fd51efeb9ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe5d439440, flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#34 0x00007fd51eff413c in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1261
#35 0x000056310168c06f in  ()
#36 0x00007fd51e66e2b1 in __libc_start_main (main=0x56310168b510, argc=2, argv=0x7ffe5d439708, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe5d4396f8) at ../csu/libc-start.c:291
#37 0x000056310168c3ea in _start ()

Reported using DrKonqi
Comment 1 Marco Martin 2017-09-04 12:45:33 UTC 

*** This bug has been marked as a duplicate of bug 377251 ***