https://bugs.kde.org/show_bug.cgi?id=362667
Bug ID: 362667
Summary: kwin crashed after coming back from chrome full screen
view using F11 and having kontact open
Product: kwin
Version: 5.5.5
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: kdeb...@galaxy.za.net
Application: kwin_x11 (5.5.5)
Qt Version: 5.5.1
Operating System: Linux 4.4.0-21-generic x86_64
Distribution: Ubuntu 16.04 LTS
-- Information about the crash:
- What I was doing when the application crashed:
using Chrome in full screen mode, kontact kmail was running trying to fetch a
mail message from local lan imap server,
kwin crashed, leaving no window decorators on open kde windows.
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".
[Current thread is 1 (Thread 0x7fef3e906940 (LWP 4059))]
Thread 5 (Thread 0x7fef1baa7700 (LWP 4088)):
#0 0x7fef3e3f3d13 in select () at ../sysdeps/unix/syscall-template.S:84
#1 0x7fef3cbf810f in qt_safe_select (nfds=15,
fdread=fdread@entry=0x7fef0c000a78, fdwrite=fdwrite@entry=0x7fef0c000d08,
fdexcept=fdexcept@entry=0x7fef0c000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#2 0x7fef3cbf9c0e in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7fef0c000f98, writefds=0x7fef0c000d08, readfds=0x7fef0c000a78,
nfds=, this=0x7fef0c0008c0) at
kernel/qeventdispatcher_unix.cpp:320
#3 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fef0c0008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4 0x7fef3cbfa13e in QEventDispatcherUNIX::processEvents
(this=0x7fef0c0008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5 0x7fef3cba3dea in QEventLoop::exec (this=this@entry=0x7fef1baa6c60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x7fef3c9c08a4 in QThread::exec (this=this@entry=0x2401230) at
thread/qthread.cpp:503
#7 0x7fef374d63c5 in QQmlThreadPrivate::run (this=0x2401230) at
qml/ftw/qqmlthread.cpp:141
#8 0x7fef3c9c584e in QThreadPrivate::start (arg=0x2401230) at
thread/qthread_unix.cpp:331
#9 0x7fef383796fa in start_thread (arg=0x7fef1baa7700) at
pthread_create.c:333
#10 0x7fef3e3fdb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7fef18db3700 (LWP 4092)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x7fef1a342213 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#2 0x7fef1a341937 in ?? () from /usr/lib/x86_64-linux-gnu/dri/r600_dri.so
#3 0x7fef383796fa in start_thread (arg=0x7fef18db3700) at
pthread_create.c:333
#4 0x7fef3e3fdb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7fef10e2b700 (LWP 4104)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x7fef3bb4dbd4 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x7fef3bb4dc19 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x7fef383796fa in start_thread (arg=0x7fef10e2b700) at
pthread_create.c:333
#4 0x7fef3e3fdb5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7fef1162c700 (LWP 4515)):
#0 0x7fef3e3f3d13 in select () at ../sysdeps/unix/syscall-template.S:84
#1 0x7fef3cbf810f in qt_safe_select (nfds=14,
fdread=fdread@entry=0x7fef08000a78, fdwrite=fdwrite@entry=0x7fef08000d08,
fdexcept=fdexcept@entry=0x7fef08000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#2 0x7fef3cbf9c0e in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7fef08000f98, writefds=0x7fef08000d08, readfds=0x7fef08000a78,
nfds=, this=0x7fef080008c0) at
kernel/qeventdispatcher_unix.cpp:320
#3 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7fef080008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4 0x7fef3cbfa13e in QEventDispatcherUNIX::processEvents
(this=0x7fef080008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5 0x7fef3cba3dea in QEventLoop::exec (this=this@entry=0x7fef1162bc60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x7fef3c9c08a4 in QThread::exec (this=this@entry=0x2ed3cc0) at
thread/qthread.cpp:503
#7 0x7fef374d63c5 in QQmlThreadPrivate::run (this=0x2ed3cc0) at
qml/ftw/qqmlthread.cpp:141
#8 0x7fef3c9c584e in QThreadPrivate::start (arg=0x2ed3cc0) at
thread/qthread_unix.cpp:331
#9 0x7fef383796fa in start_thread (arg=0x7fef1162c700) at
pthread_create.c:333
#10 0x7fef3e3fdb5d in clone () at
../s