Bug 382507

Summary: Plasma (plasmashell), signal: Segmentation fault - KJob::finishJob()
Product: [Plasma] plasmashell Reporter: Don Curtis <bugrprt21882>
Component: generalAssignee: David Edmundson <kde>
Status: RESOLVED DUPLICATE    
Severity: crash CC: plasma-bugs
Priority: NOR Keywords: drkonqi
Version: 5.8.6   
Target Milestone: 1.0   
Platform: openSUSE   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description Don Curtis 2017-07-19 16:01:12 UTC 
Application: plasmashell (5.8.6)

Qt Version: 5.6.1
Frameworks Version: 5.26.0
Operating System: Linux 4.4.74-18.20-default x86_64
Distribution: "openSUSE Leap 42.2"

-- Information about the crash:
- What I was doing when the application crashed:
Was about to unmount and eject a DVD-RAM (with an ext2 filesystem) which had previously been mounted by a root user CLI, by means of the Plasma device plasmoid.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f62ad2f3900 (LWP 5294))]

Thread 19 (Thread 0x7f61aaff9700 (LWP 14753)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 18 (Thread 0x7f61ab7fa700 (LWP 14752)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#19 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#20 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 17 (Thread 0x7f61abffb700 (LWP 14751)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#20 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#21 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#22 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#23 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#24 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 16 (Thread 0x7f61b49fb700 (LWP 14750)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#20 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#21 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#22 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#23 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#24 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#25 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#26 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#27 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#28 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 15 (Thread 0x7f61b540a700 (LWP 14749)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#15 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#16 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#17 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#18 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#19 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#20 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#22 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f61b6a73700 (LWP 14748)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f61b5c0b700 (LWP 14747)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#13 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#14 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f61a2ff1700 (LWP 14746)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62a6eb465b in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f61e582942f in ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*, bool, bool, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#3  0x00007f61e582cdea in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#4  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#5  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#6  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#7  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#8  0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#9  0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#10 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#11 0x00007f61e582ce32 in  () at /usr/lib64/libKF5ThreadWeaver.so.5
#12 0x00007f61e582745b in ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at /usr/lib64/libKF5ThreadWeaver.so.5
#13 0x00007f61e582aa46 in ThreadWeaver::Thread::run() () at /usr/lib64/libKF5ThreadWeaver.so.5
#14 0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#16 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f61ccdf3700 (LWP 5802)):
#0  0x00007f62a67ad20d in poll () at /lib64/libc.so.6
#1  0x00007f62a2e28314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f61cf7ab700 (LWP 5522)):
#0  0x00007f62a67ad20d in poll () at /lib64/libc.so.6
#1  0x00007f62a2e28314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f61d4d8d8f7 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f61d6d3b700 (LWP 5496)):
#0  0x00007f62a2e697b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f62a2e27969 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e28230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f61ec9db700 (LWP 5462)):
#0  0x00007f62a2e697b5 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f62a2e27969 in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e28230 in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f62aad67632 in  () at /usr/lib64/libQt5Quick.so.5
#8  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f61f6c43700 (LWP 5461)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f6281eae533 in  () at /usr/lib64/dri/radeonsi_dri.so
#2  0x00007f6281eadd57 in  () at /usr/lib64/dri/radeonsi_dri.so
#3  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f628338b700 (LWP 5460)):
#0  0x00007f62a5fb10bf in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f62ac9c793b in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f62ac9c7969 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f628d1ab700 (LWP 5448)):
#0  0x00007f62a2e697b9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f62a2e274d8 in g_main_context_release () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e282be in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#7  0x00007f62aa1e09d8 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f628eb83700 (LWP 5343)):
#0  0x00007f62a67a9260 in read () at /lib64/libc.so.6
#1  0x00007f62a2e68670 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e27e49 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a2e282a8 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f62aa1e09d8 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f6295e43700 (LWP 5309)):
#0  0x00007f62a67ad20d in poll () at /lib64/libc.so.6
#1  0x00007f62ab9373e2 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f62ab938fcf in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f6297fb5839 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f629a323700 (LWP 5307)):
#0  0x00007f62a67ad20d in poll () at /lib64/libc.so.6
#1  0x00007f62a2e28314 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f62a70c633b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f62a6eaef1a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f62a7c33295 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f62a6eb39e9 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f62a5fac744 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f62a67b5aad in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f62ad2f3900 (LWP 5294)):
[KCrash Handler]
#6  0x00007f62a912a72f in KJob::finishJob(bool) () at /usr/lib64/libKF5CoreAddons.so.5
#7  0x00007f61ceb8b0fc in SolidDeviceJob::start() (this=0x6935fd0) at /usr/src/debug/plasma-workspace-5.8.6/dataengines/soliddevice/soliddevicejob.cpp:60
#8  0x00007f62ab4bd829 in  () at /usr/lib64/libKF5Plasma.so.5
#9  0x00007f62a70a1176 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f62a8008e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#11 0x00007f62a800d49a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#12 0x00007f62a7075fd5 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f62a7077dba in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#14 0x00007f62a70c6c93 in  () at /usr/lib64/libQt5Core.so.5
#15 0x00007f62a2e28134 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#16 0x00007f62a2e28388 in  () at /usr/lib64/libglib-2.0.so.0
#17 0x00007f62a2e2842c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#18 0x00007f62a70c631c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f62a7073feb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f62a707bed6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#21 0x000000000041ee0f in main(int, char**) (argc=2, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.8.6/shell/main.cpp:166

Reported using DrKonqi
Comment 1 Don Curtis 2017-07-19 16:08:52 UTC 
One piece of extra information: the DVD-RAM was in the /dev/sr1 drive.
 * There are 2 DVD Writers on the system.
Comment 2 David Edmundson 2017-07-19 17:11:01 UTC 

*** This bug has been marked as a duplicate of bug 361450 ***