https://bugs.kde.org/show_bug.cgi?id=373669
Bug ID: 373669
Summary: Crash on kwin
Product: kwin
Version: 5.8.4
Platform: Debian unstable
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: org...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.8.4)
Qt Version: 5.7.1
Frameworks Version: 5.28.0
Operating System: Linux 4.8.0-2-amd64 x86_64
Distribution: Debian GNU/Linux unstable (sid)
-- Information about the crash:
Started the desktop. It crashed immediately
It happens quite often.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7f59b5369580 (LWP 4188))]
Thread 5 (Thread 0x7f59a2de0700 (LWP 4301)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f59c98ca2c4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f59c98ca309 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f59c659d464 in start_thread (arg=0x7f59a2de0700) at
pthread_create.c:333
#4 0x00007f59cc8909df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 4 (Thread 0x7f59b0c87700 (LWP 4298)):
[KCrash Handler]
#6 QRingBuffer::chop (this=0x0, bytes=14989) at tools/qringbuffer.cpp:178
#7 0x00007f59ca63ceb6 in QIODevicePrivate::QRingBufferRef::chop (bytes=14989,
this=<optimized out>) at io/qiodevice_p.h:102
#8 QIODevice::read (this=this@entry=0x563114e93d78, data=0x7f59a800db58
"0\333", maxSize=maxSize@entry=1395) at io/qiodevice.cpp:1078
#9 0x00007f59ca63d537 in QIODevice::readAll (this=0x563114e93d78) at
io/qiodevice.cpp:1235
#10 0x00007f59cc48e5bb in ?? () from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#11 0x00007f59cc48f9b2 in ?? () from /usr/lib/x86_64-linux-gnu/libkwin.so.5
#12 0x00007f59ca53212f in QThreadPoolThread::run (this=0x563114d810b0) at
thread/qthreadpool.cpp:99
#13 0x00007f59ca535d88 in QThreadPrivate::start (arg=0x563114d810b0) at
thread/qthread_unix.cpp:368
#14 0x00007f59c659d464 in start_thread (arg=0x7f59b0c87700) at
pthread_create.c:333
#15 0x00007f59cc8909df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 3 (Thread 0x7f59b28f3700 (LWP 4239)):
#0 0x00007f59cc887631 in __GI_ppoll (fds=fds@entry=0x7f59a400b0c8,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1 0x00007f59ca760a21 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f59a400b0c8) at
kernel/qcore_unix.cpp:81
#3 qt_safe_poll (fds=0x7f59a400b0c8, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:102
#4 0x00007f59ca76231a in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5 0x00007f59ca70f07a in QEventLoop::exec (this=this@entry=0x7f59b28f2c50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:212
#6 0x00007f59ca5310d3 in QThread::exec (this=this@entry=0x7f59ccefcd60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:507
#7 0x00007f59cce876d5 in QDBusConnectionManager::run (this=0x7f59ccefcd60
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#8 0x00007f59ca535d88 in QThreadPrivate::start (arg=0x7f59ccefcd60 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:368
#9 0x00007f59c659d464 in start_thread (arg=0x7f59b28f3700) at
pthread_create.c:333
#10 0x00007f59cc8909df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 2 (Thread 0x7f59b43cd700 (LWP 4238)):
#0 0x00007f59cc88756d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f59cb9f1150 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f59cb9f2ee9 in xcb_wait_for_event () from
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f59b5077b69 in QXcbEventReader::run (this=0x563114ce2390) at
qxcbconnection.cpp:1343
#4 0x00007f59ca535d88 in QThreadPrivate::start (arg=0x563114ce2390) at
thread/qthread_unix.cpp:368
#5 0x00007f59c659d464 in start_thread (arg=0x7f59b43cd700) at
pthread_create.c:333
#6 0x00007f59cc8909df in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:105
Thread 1 (Thread 0x7f59b5369580 (LWP 4188)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f59ca536c4b in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x563114d85460) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=this@entry=0x563114d87288,
mutex=mutex@entry=0x563114d87260, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3 0x00007f59ca531882 in QThreadPoolPrivate::waitForDone
(this=this@entry=0x563114d871f0, msecs=msecs@entry=-1) at
thread/qthreadpool.cpp:293
#4 0x00007f59ca531c81 in QThreadPool::waitForDone (this=<optimized out>,
msecs=msecs@entry=-1) at thread/qthreadpool.cpp:623
#5 0x00007f59ca712ad5 in QCoreApplication::~QCoreApplication
(this=0x7ffdc066f6f0, __in_chrg=<optimized out>) at
kernel/qcoreapplication.cpp:840
#6 0x00007f59caff95a1 in QApplication::~QApplication (this=0x7ffdc066f6f0,
__in_chrg=<optimized out>) at kernel/qapplication.cpp:825
#7 0x00007f59ccb4d984 in ?? () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#8 0x00007f59ccb4f256 in kdemain () from
/usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#9 0x00007f59cc7c82b1 in __libc_start_main (main=0x56311317e7f0, argc=1,
argv=0x7ffdc066f878, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffdc066f868) at ../csu/libc-start.c:291
#10 0x000056311317e82a in _start ()
Reported using DrKonqi
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