https://bugs.kde.org/show_bug.cgi?id=387706
Bug ID: 387706
Summary: Crash while inserting/mouting/ejecting optical media
Product: plasmashell
Version: 5.11.4
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: l.bonn...@laposte.net
CC: plasma-b...@kde.org
Target Milestone: 1.0
Application: plasmashell (5.11.4)
Qt Version: 5.9.1
Frameworks Version: 5.40.0
Operating System: Linux 4.14.4-041404-generic x86_64
Distribution: Ubuntu 17.10
-- Information about the crash:
- What I was doing when the application crashed:
I had a pile of old DVD/BR data disks and was trying to mount them to check
their contents.
At some point the mouting widgets became irresponsive and a bit later the crash
report window appeared.
The crash does not seem to be reproducible.
-- 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 0x7ff935807900 (LWP 2331))]
Thread 8 (Thread 0x7ff8659e3700 (LWP 2925)):
#0 0x00007ff92ee46901 in __GI___poll (fds=0x7ff8600029e0, nfds=1,
timeout=2518908) at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ff929a79169 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff8600029e0, timeout=<optimized out>, context=0x7ff860000be0)
at ../../../../glib/gmain.c:4187
#2 0x00007ff929a79169 in g_main_context_iterate
(context=context@entry=0x7ff860000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3881
#3 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff860000be0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#4 0x00007ff92f78649b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff860000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ff8659e2c70, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#6 0x00007ff92f54b3ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:515
#7 0x00007ff867ffc747 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x55c38d05a9a0) at
thread/qthread_unix.cpp:368
#9 0x00007ff92e6e57fc in start_thread (arg=0x7ff8659e3700) at
pthread_create.c:465
#10 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7ff87a738700 (LWP 2649)):
#0 0x00007ff92f547b6f in QMutex::unlock() (this=this@entry=0x55c38ad82ad0) at
thread/qmutex.cpp:337
#1 0x00007ff92f7868b7 in QMutexLocker::unlock() (this=<synthetic pointer>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:213
#2 0x00007ff92f7868b7 in QMutexLocker::~QMutexLocker() (this=<synthetic
pointer>, __in_chrg=<optimized out>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:207
#3 0x00007ff92f7868b7 in QThreadData::canWaitLocked() (this=<optimized out>)
at
../../include/QtCore/5.9.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#4 0x00007ff92f7868b7 in postEventSourcePrepare (timeout=<synthetic pointer>,
s=0x7ff874004b90) at kernel/qeventdispatcher_glib.cpp:259
#5 0x00007ff92f7868b7 in postEventSourceCheck(GSource*)
(source=0x7ff874004b90) at kernel/qeventdispatcher_glib.cpp:269
#6 0x00007ff929a78b71 in g_main_context_check
(context=context@entry=0x7ff874000be0, max_priority=2147483647,
fds=fds@entry=0x7ff874005360, n_fds=n_fds@entry=1) at
../../../../glib/gmain.c:3719
#7 0x00007ff929a79110 in g_main_context_iterate
(context=context@entry=0x7ff874000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3883
#8 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff874000be0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#9 0x00007ff92f78649b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff874000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#10 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ff87a737c40, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#11 0x00007ff92f54b3ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:515
#12 0x00007ff933244846 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x55c38ad819e0) at
thread/qthread_unix.cpp:368
#14 0x00007ff92e6e57fc in start_thread (arg=0x7ff87a738700) at
pthread_create.c:465
#15 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7ff9018e8700 (LWP 2590)):
#0 0x00007ff92e6ec072 in futex_wait_cancelable (private=<optimized out>,
expected=0, futex_word=0x7ff9351fafb8 <QTWTF::pageheap_memory+57592>) at
../sysdeps/unix/sysv/linux/futex-internal.h:88
#1 0x00007ff92e6ec072 in __pthread_cond_wait_common (abstime=0x0,
mutex=0x7ff9351faf68 <QTWTF::pageheap_memory+57512>, cond=0x7ff9351faf90
<QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502
#2 0x00007ff92e6ec072 in __pthread_cond_wait (cond=0x7ff9351faf90
<QTWTF::pageheap_memory+57552>, mutex=0x7ff9351faf68
<QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655
#3 0x00007ff934f06bd4 in QTWTF::TCMalloc_PageHeap::scavengerThread()
(this=0x7ff9351ecec0 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4 0x00007ff934f06c19 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5 0x00007ff92e6e57fc in start_thread (arg=0x7ff9018e8700) at
pthread_create.c:465
#6 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7ff914976700 (LWP 2418)):
#0 0x00007ff92f547b6f in QMutex::unlock() (this=this@entry=0x55c38a57f510) at
thread/qmutex.cpp:337
#1 0x00007ff92f7863cf in QMutexLocker::unlock() (this=<synthetic pointer>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:213
#2 0x00007ff92f7863cf in QMutexLocker::~QMutexLocker() (this=<synthetic
pointer>, __in_chrg=<optimized out>) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:207
#3 0x00007ff92f7863cf in QThreadData::canWaitLocked() (this=0x55c38a57f4e0) at
../../include/QtCore/5.9.1/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:253
#4 0x00007ff92f7863cf in postEventSourcePrepare(GSource*, gint*)
(s=0x7ff90c004b90, timeout=timeout@entry=0x7ff914975ac4) at
kernel/qeventdispatcher_glib.cpp:259
#5 0x00007ff929a786a8 in g_main_context_prepare
(context=context@entry=0x7ff90c000be0, priority=priority@entry=0x7ff914975b50)
at ../../../../glib/gmain.c:3450
#6 0x00007ff929a7909b in g_main_context_iterate
(context=context@entry=0x7ff90c000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3866
#7 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff90c000be0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#8 0x00007ff92f78649b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff90c000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#9 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ff914975c90, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#10 0x00007ff92f54b3ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:515
#11 0x00007ff9326aef45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#12 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x55c38a581f80) at
thread/qthread_unix.cpp:368
#13 0x00007ff92e6e57fc in start_thread (arg=0x7ff914976700) at
pthread_create.c:465
#14 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7ff916be9700 (LWP 2401)):
#0 0x00007ff92ee46901 in __GI___poll (fds=0x7ff9080029e0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ff929a79169 in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7ff9080029e0, timeout=<optimized out>, context=0x7ff908000be0)
at ../../../../glib/gmain.c:4187
#2 0x00007ff929a79169 in g_main_context_iterate
(context=context@entry=0x7ff908000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3881
#3 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff908000be0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#4 0x00007ff92f78649b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff908000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ff916be8c90, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#6 0x00007ff92f54b3ca in QThread::exec() (this=<optimized out>) at
thread/qthread.cpp:515
#7 0x00007ff9326aef45 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x55c38a566650) at
thread/qthread_unix.cpp:368
#9 0x00007ff92e6e57fc in start_thread (arg=0x7ff916be9700) at
pthread_create.c:465
#10 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7ff917fff700 (LWP 2366)):
#0 0x00007ff929a76081 in g_source_iter_next (iter=iter@entry=0x7ff917ffeac0,
source=source@entry=0x7ff917ffeab8) at ../../../../glib/gmain.c:981
#1 0x00007ff929a78a81 in g_main_context_check
(context=context@entry=0x7ff910000be0, max_priority=2147483647,
fds=fds@entry=0x7ff91007bdd0, n_fds=n_fds@entry=1) at
../../../../glib/gmain.c:3699
#2 0x00007ff929a79110 in g_main_context_iterate
(context=context@entry=0x7ff910000be0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3883
#3 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff910000be0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#4 0x00007ff92f78649b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7ff910000b10, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ff917ffec80, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#6 0x00007ff92f54b3ca in QThread::exec() (this=this@entry=0x7ff92fe75d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:515
#7 0x00007ff92fc02e45 in QDBusConnectionManager::run() (this=0x7ff92fe75d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#8 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x7ff92fe75d60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:368
#9 0x00007ff92e6e57fc in start_thread (arg=0x7ff917fff700) at
pthread_create.c:465
#10 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7ff91e852700 (LWP 2355)):
#0 0x00007ff92ee46901 in __GI___poll (fds=fds@entry=0x7ff91e851bb8,
nfds=nfds@entry=1, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007ff933e4a747 in poll (__timeout=-1, __nfds=1, __fds=0x7ff91e851bb8)
at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2 0x00007ff933e4a747 in _xcb_conn_wait (c=c@entry=0x55c38a4791f0,
cond=cond@entry=0x55c38a479230, vector=vector@entry=0x0, count=count@entry=0x0)
at ../../src/xcb_conn.c:479
#3 0x00007ff933e4c53a in xcb_wait_for_event (c=0x55c38a4791f0) at
../../src/xcb_in.c:693
#4 0x00007ff920999f09 in QXcbEventReader::run() (this=0x55c38a483de0) at
qxcbconnection.cpp:1322
#5 0x00007ff92f55029d in QThreadPrivate::start(void*) (arg=0x55c38a483de0) at
thread/qthread_unix.cpp:368
#6 0x00007ff92e6e57fc in start_thread (arg=0x7ff91e852700) at
pthread_create.c:465
#7 0x00007ff92ee52b0f in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7ff935807900 (LWP 2331)):
[KCrash Handler]
#6 0x00007ff9318292cf in KJob::finishJob(bool) () at
/usr/lib/x86_64-linux-gnu/libKF5CoreAddons.so.5
#7 0x00007ff8695d7270 in () at
/usr/lib/x86_64-linux-gnu/qt5/plugins/plasma/dataengine/plasma_engine_soliddevice.so
#8 0x00007ff9339d5d21 in () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#9 0x00007ff92f75d452 in QObject::event(QEvent*) (this=0x55c38e771db0,
e=<optimized out>) at kernel/qobject.cpp:1246
#10 0x00007ff93073246c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55c38a469950, receiver=receiver@entry=0x55c38e771db0,
e=e@entry=0x55c38a69c340) at kernel/qapplication.cpp:3717
#11 0x00007ff930739d34 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffeea1479c0, receiver=0x55c38e771db0, e=0x55c38a69c340) at
kernel/qapplication.cpp:3476
#12 0x00007ff92f72dde8 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55c38e771db0, event=event@entry=0x55c38a69c340) at
kernel/qcoreapplication.cpp:1018
#13 0x00007ff92f73055d in QCoreApplication::sendEvent(QObject*, QEvent*)
(event=0x55c38a69c340, receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#14 0x00007ff92f73055d in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0,
data=0x55c38a45ebc0) at kernel/qcoreapplication.cpp:1678
#15 0x00007ff92f730ae8 in QCoreApplication::sendPostedEvents(QObject*, int)
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1532
#16 0x00007ff92f786e53 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=s@entry=0x55c38a4acaf0) at kernel/qeventdispatcher_glib.cpp:276
#17 0x00007ff929a78fb7 in g_main_dispatch (context=0x7ff918004fc0) at
../../../../glib/gmain.c:3148
#18 0x00007ff929a78fb7 in g_main_context_dispatch
(context=context@entry=0x7ff918004fc0) at ../../../../glib/gmain.c:3813
#19 0x00007ff929a791f0 in g_main_context_iterate
(context=context@entry=0x7ff918004fc0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../../../../glib/gmain.c:3886
#20 0x00007ff929a7927c in g_main_context_iteration (context=0x7ff918004fc0,
may_block=may_block@entry=1) at ../../../../glib/gmain.c:3947
#21 0x00007ff92f78647f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55c38a4bebb0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007ff92f72be3a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffeea1478c0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#23 0x00007ff92f734da4 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1291
#24 0x000055c389091ebc in ()
#25 0x00007ff92ed5f1c1 in __libc_start_main (main=0x55c3890914b0, argc=1,
argv=0x7ffeea147b68, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffeea147b58) at ../csu/libc-start.c:308
#26 0x000055c38909225a in _start ()
Reported using DrKonqi
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