https://bugs.kde.org/show_bug.cgi?id=386045
Bug ID: 386045
Summary: Discover crashes on startup
Product: Discover
Version: 5.11.0
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: discover
Assignee: aleix...@kde.org
Reporter: b...@briandwright.com
Target Milestone: ---
Application: plasma-discover (5.11.0)
Qt Version: 5.9.1
Frameworks Version: 5.39.0
Operating System: Linux 4.13.0+ x86_64
Distribution: KDE neon User Edition 5.11
-- Information about the crash:
Updates were available for installation and when Update was selected, there
were errors of missing .knsrc files and then Discover would crash
The crash can be reproduced sometimes.
-- Backtrace:
Application: Discover (plasma-discover), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f430afe28c0 (LWP 23243))]
Thread 12 (Thread 0x7f42d9730700 (LWP 23256)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f43162458eb in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x1fcb9c0) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=<optimized out>, mutex=0x1fcb8f0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:215
#3 0x00007f4318cd210d in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4 0x00007f4318cd2a05 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5 0x00007f4316244989 in QThreadPrivate::start (arg=0x1fcb870) at
thread/qthread_unix.cpp:368
#6 0x00007f4312ca06ba in start_thread (arg=0x7f42d9730700) at
pthread_create.c:333
#7 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 11 (Thread 0x7f42d9f31700 (LWP 23255)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310d7e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42d9f30d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f4316244989 in QThreadPrivate::start (arg=0x177f4e0) at
thread/qthread_unix.cpp:368
#7 0x00007f4312ca06ba in start_thread (arg=0x7f42d9f31700) at
pthread_create.c:333
#8 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 10 (Thread 0x7f42daf33700 (LWP 23252)):
#0 0x00007f4310dc2a94 in g_mutex_unlock () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f4310d7d910 in g_main_context_prepare () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e2bb in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42c80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42daf32d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#7 0x00007f4316244989 in QThreadPrivate::start (arg=0xdf6ef0) at
thread/qthread_unix.cpp:368
#8 0x00007f4312ca06ba in start_thread (arg=0x7f42daf33700) at
pthread_create.c:333
#9 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 9 (Thread 0x7f42dbde1700 (LWP 23251)):
#0 0x00007f4310d7b468 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1 0x00007f4310d7dcea in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42dbde0d00,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#7 0x00007f4316244989 in QThreadPrivate::start (arg=0xd9c530) at
thread/qthread_unix.cpp:368
#8 0x00007f4312ca06ba in start_thread (arg=0x7f42dbde1700) at
pthread_create.c:333
#9 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 8 (Thread 0x7f42e4ee1700 (LWP 23250)):
#0 0x00007f431583824d in read () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310dc16f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7de74 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4310d7e330 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f4310d7e712 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f42e68b99d6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6 0x00007f4310da4bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007f4312ca06ba in start_thread (arg=0x7f42e4ee1700) at
pthread_create.c:333
#8 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 7 (Thread 0x7f42e56e2700 (LWP 23249)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310d7e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f4310d7e4d9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4 0x00007f4310da4bb5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5 0x00007f4312ca06ba in start_thread (arg=0x7f42e56e2700) at
pthread_create.c:333
#6 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7f42ef7f6700 (LWP 23248)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310d7e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42e80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42ef7f5c90,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f4318c52256 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007f4316244989 in QThreadPrivate::start (arg=0xe87a90) at
thread/qthread_unix.cpp:368
#8 0x00007f4312ca06ba in start_thread (arg=0x7f42ef7f6700) at
pthread_create.c:333
#9 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7f42f49ff700 (LWP 23247)):
#0 0x00007f431580d30d in nanosleep () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f431583ed54 in usleep (useconds=<optimized out>) at
../sysdeps/posix/usleep.c:32
#2 0x00007f42f70f02c0 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#3 0x00007f42f67697e2 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#4 0x00007f42f6769835 in ?? () from
/usr/lib/x86_64-linux-gnu/dri/amdgpu_dri.so
#5 0x00007f4312ca06ba in start_thread (arg=0x7f42f49ff700) at
pthread_create.c:333
#6 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7f42feb60700 (LWP 23246)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310d7e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42f00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42feb5fce0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f4316c400c5 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7 0x00007f4316244989 in QThreadPrivate::start (arg=0xaa4010) at
thread/qthread_unix.cpp:368
#8 0x00007f4312ca06ba in start_thread (arg=0x7f42feb60700) at
pthread_create.c:333
#9 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f42ffd71700 (LWP 23245)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310d7e38c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3 0x00007f431646d94b in QEventDispatcherGlib::processEvents
(this=0x7f42f80008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7f42ffd70cd0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#5 0x00007f431623fcd4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:515
#6 0x00007f431973bb75 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#7 0x00007f4316244989 in QThreadPrivate::start (arg=0x7f43197b1da0) at
thread/qthread_unix.cpp:368
#8 0x00007f4312ca06ba in start_thread (arg=0x7f42ffd71700) at
pthread_create.c:333
#9 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f4308481700 (LWP 23244)):
#0 0x00007f431583c70d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f4310b1bc62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f4310b1d8d7 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f430ac02329 in QXcbEventReader::run (this=0x9ee9e0) at
qxcbconnection.cpp:1322
#4 0x00007f4316244989 in QThreadPrivate::start (arg=0x9ee9e0) at
thread/qthread_unix.cpp:368
#5 0x00007f4312ca06ba in start_thread (arg=0x7f4308481700) at
pthread_create.c:333
#6 0x00007f43158483dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7f430afe28c0 (LWP 23243)):
[KCrash Handler]
#6 0x00007f43172a1538 in vtable for QImage () from
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#7 0x00007f43188f4fd0 in ?? () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#8 0x00007f4316444f46 in QtPrivate::QSlotObjectBase::call (a=0x7fffd3039aa0,
r=0xe62390, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#9 QMetaObject::activate (sender=0x1095340, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3749
#10 0x00007f43189071b2 in AbstractBackendUpdater::progressingChanged(bool) ()
from /usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#11 0x00007f43188f599e in StandardBackendUpdater::refreshUpdateable() () from
/usr/lib/x86_64-linux-gnu/plasma-discover/libDiscoverCommon.so
#12 0x00007f4316444f46 in QtPrivate::QSlotObjectBase::call (a=0x7fffd3039c40,
r=0x1095340, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:101
#13 QMetaObject::activate (sender=0x1098a50, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3749
#14 0x00007f42e44d1559 in
KNSBackend::receivedEntries(QList<KNSCore::EntryInternal> const&) () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/discover/kns-backend.so
#15 0x00007f4316445c59 in QObject::event (this=0x1098a50, e=<optimized out>) at
kernel/qobject.cpp:1246
#16 0x00007f431740f3fc in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x1098a50, e=0x3000c60) at kernel/qapplication.cpp:3717
#17 0x00007f4317416e07 in QApplication::notify (this=0x7fffd303a2e0,
receiver=0x1098a50, e=0x3000c60) at kernel/qapplication.cpp:3476
#18 0x00007f4316418798 in QCoreApplication::notifyInternal2
(receiver=0x1098a50, event=event@entry=0x3000c60) at
kernel/qcoreapplication.cpp:1018
#19 0x00007f431641af7b in QCoreApplication::sendEvent (event=0x3000c60,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#20 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
event_type=event_type@entry=0, data=0x9d34a0) at
kernel/qcoreapplication.cpp:1678
#21 0x00007f431641b3e8 in QCoreApplication::sendPostedEvents
(receiver=receiver@entry=0x0, event_type=event_type@entry=0) at
kernel/qcoreapplication.cpp:1532
#22 0x00007f431646e323 in postEventSourceDispatch (s=0xa1ae30) at
kernel/qeventdispatcher_glib.cpp:276
#23 0x00007f4310d7e197 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007f4310d7e3f0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007f4310d7e49c in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#26 0x00007f431646d92f in QEventDispatcherGlib::processEvents (this=0xa1f0b0,
flags=...) at kernel/qeventdispatcher_glib.cpp:423
#27 0x00007f43164167ca in QEventLoop::exec (this=this@entry=0x7fffd303a200,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#28 0x00007f431641f704 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1291
#29 0x0000000000411b9e in ?? ()
#30 0x00007f4315761830 in __libc_start_main (main=0x411180, argc=1,
argv=0x7fffd303a4a8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffd303a498) at ../csu/libc-start.c:291
#31 0x0000000000411cb9 in _start ()
Reported using DrKonqi
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