https://bugs.kde.org/show_bug.cgi?id=356141
Bug ID: 356141
Summary: virtual desktop ?
Product: kwin
Version: 5.4.2
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: adrien.boil...@gmail.com
Application: kwin_x11 (5.4.2)
Qt Version: 5.4.2
Operating System: Linux 4.2.0-18-generic x86_64
Distribution: Ubuntu 15.10
-- Information about the crash:
- What I was doing when the application crashed:
Slide to second virtual desktop.
- Unusual behavior I noticed:
The second desktop is totaly black, no icons, no wallpaper, nothing exept mouse
pointer.
I don't kno why....
-- 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 0x7f5f5029e840 (LWP 1097))]
Thread 4 (Thread 0x7f5f31d2e700 (LWP 1110)):
#0 0x00007f5f4fd8a743 in select () at ../sysdeps/unix/syscall-template.S:81
#1 0x00007f5f4e3db90f in qt_safe_select (nfds=14,
fdread=fdread@entry=0x7f5f24000a78, fdwrite=fdwrite@entry=0x7f5f24000d08,
fdexcept=fdexcept@entry=0x7f5f24000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#2 0x00007f5f4e3dd40e in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7f5f24000f98, writefds=0x7f5f24000d08, readfds=0x7f5f24000a78,
nfds=<optimized out>, this=0x7f5f240008c0) at
kernel/qeventdispatcher_unix.cpp:320
#3 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f5f240008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4 0x00007f5f4e3dd93e in QEventDispatcherUNIX::processEvents
(this=0x7f5f240008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5 0x00007f5f4e38675a in QEventLoop::exec (this=this@entry=0x7f5f31d2dd60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007f5f4e1a43d4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7 0x00007f5f48d12f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f5f4e1a92be in QThreadPrivate::start (arg=0x16b0d40) at
thread/qthread_unix.cpp:337
#9 0x00007f5f4f3cc6aa in start_thread (arg=0x7f5f31d2e700) at
pthread_create.c:333
#10 0x00007f5f4fd93eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f5f29b72700 (LWP 1128)):
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f5f4d339114 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f5f4d339159 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f5f4f3cc6aa in start_thread (arg=0x7f5f29b72700) at
pthread_create.c:333
#4 0x00007f5f4fd93eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f5f2a373700 (LWP 3905)):
#0 0x00007f5f4fd8a743 in select () at ../sysdeps/unix/syscall-template.S:81
#1 0x00007f5f4e3db90f in qt_safe_select (nfds=16,
fdread=fdread@entry=0x7f5f20000a78, fdwrite=fdwrite@entry=0x7f5f20000d08,
fdexcept=fdexcept@entry=0x7f5f20000f98, orig_timeout=orig_timeout@entry=0x0) at
kernel/qcore_unix.cpp:75
#2 0x00007f5f4e3dd40e in QEventDispatcherUNIX::select (timeout=0x0,
exceptfds=0x7f5f20000f98, writefds=0x7f5f20000d08, readfds=0x7f5f20000a78,
nfds=<optimized out>, this=0x7f5f200008c0) at
kernel/qeventdispatcher_unix.cpp:320
#3 QEventDispatcherUNIXPrivate::doSelect (this=this@entry=0x7f5f200008e0,
flags=..., flags@entry=..., timeout=timeout@entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4 0x00007f5f4e3dd93e in QEventDispatcherUNIX::processEvents
(this=0x7f5f200008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5 0x00007f5f4e38675a in QEventLoop::exec (this=this@entry=0x7f5f2a372d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6 0x00007f5f4e1a43d4 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7 0x00007f5f48d12f85 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f5f4e1a92be in QThreadPrivate::start (arg=0x2fd56b0) at
thread/qthread_unix.cpp:337
#9 0x00007f5f4f3cc6aa in start_thread (arg=0x7f5f2a373700) at
pthread_create.c:333
#10 0x00007f5f4fd93eed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7f5f5029e840 (LWP 1097)):
[KCrash Handler]
#6 KWin::GLShader::resolveLocations (this=0x0) at
../../libkwineffects/kwinglutils.cpp:419
#7 0x00007f5f49b9b1a2 in KWin::GLShader::setUniform (this=0x0,
uniform=uniform@entry=KWin::GLShader::Color, value=...) at
../../libkwineffects/kwinglutils.cpp:480
#8 0x00007f5f49ba12ec in KWin::GLVertexBufferPrivate::bindArrays
(this=0x18a3850) at ../../libkwineffects/kwinglutils.cpp:2059
#9 0x00007f5f49ba13e8 in KWin::GLVertexBuffer::bindArrays
(this=this@entry=0x163b630) at ../../libkwineffects/kwinglutils.cpp:2346
#10 0x00007f5f4d4efbb6 in KWin::ContrastEffect::doContrast
(this=this@entry=0x1f46990, shape=..., screen=..., opacity=1) at
../../effects/backgroundcontrast/contrast.cpp:364
#11 0x00007f5f4d4f00be in KWin::ContrastEffect::drawWindow
(this=this@entry=0x1f46990, w=w@entry=0x27f0b20, mask=mask@entry=10,
region=..., data=...) at ../../effects/backgroundcontrast/contrast.cpp:342
#12 0x00007f5f4f96722e in KWin::EffectsHandlerImpl::drawWindow (this=0x1ecfe00,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../effects.cpp:492
#13 0x00007f5f4d46d6f5 in KWin::BlurEffect::drawWindow
(this=this@entry=0x1ede030, w=w@entry=0x27f0b20, mask=mask@entry=10,
region=..., data=...) at ../../effects/blur/blur.cpp:417
#14 0x00007f5f4f96722e in KWin::EffectsHandlerImpl::drawWindow (this=0x1ecfe00,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../effects.cpp:492
#15 0x00007f5f4d941741 in KWin::Effect::drawWindow (this=this@entry=0x16aff10,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:580
#16 0x00007f5f4f96722e in KWin::EffectsHandlerImpl::drawWindow (this=0x1ecfe00,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../effects.cpp:492
#17 0x00007f5f4d941741 in KWin::Effect::drawWindow (this=this@entry=0x1f8f950,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:580
#18 0x00007f5f4f96722e in KWin::EffectsHandlerImpl::drawWindow (this=0x1ecfe00,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../effects.cpp:492
#19 0x00007f5f4f92dcf1 in KWin::Scene::finalPaintWindow (this=<optimized out>,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../scene.cpp:607
#20 0x00007f5f4f9670da in KWin::EffectsHandlerImpl::paintWindow
(this=0x1ecfe00, w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...)
at ../effects.cpp:458
#21 0x00007f5f4d9415e1 in KWin::Effect::paintWindow (this=this@entry=0x1f46990,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:550
#22 0x00007f5f4f96707e in KWin::EffectsHandlerImpl::paintWindow
(this=0x1ecfe00, w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...)
at ../effects.cpp:455
#23 0x00007f5f4d9415e1 in KWin::Effect::paintWindow (this=this@entry=0x1ede030,
w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:550
#24 0x00007f5f4f96707e in KWin::EffectsHandlerImpl::paintWindow
(this=0x1ecfe00, w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...)
at ../effects.cpp:455
#25 0x00007f5f4d94f844 in KWin::AnimationEffect::paintWindow
(this=this@entry=0x16aff10, w=w@entry=0x27f0b20, mask=mask@entry=10,
region=..., data=...) at ../../libkwineffects/kwinanimationeffect.cpp:585
#26 0x00007f5f4f96707e in KWin::EffectsHandlerImpl::paintWindow
(this=0x1ecfe00, w=w@entry=0x27f0b20, mask=mask@entry=10, region=..., data=...)
at ../effects.cpp:455
#27 0x00007f5f4d94f844 in KWin::AnimationEffect::paintWindow
(this=this@entry=0x1f8f950, w=w@entry=0x27f0b20, mask=mask@entry=10,
region=..., data=...) at ../../libkwineffects/kwinanimationeffect.cpp:585
#28 0x00007f5f4f96707e in KWin::EffectsHandlerImpl::paintWindow
(this=0x1ecfe00, w=0x27f0b20, mask=mask@entry=10, region=..., data=...) at
../effects.cpp:455
#29 0x00007f5f4f932fe8 in KWin::Scene::paintWindow (this=this@entry=0x18a3bc0,
w=0x2ae3750, mask=10, region=..., quads=...) at ../scene.cpp:479
#30 0x00007f5f4f93267c in KWin::Scene::paintSimpleScreen
(this=this@entry=0x18a3bc0, orig_mask=orig_mask@entry=8, region=...) at
../scene.cpp:382
#31 0x00007f5f4f9440a3 in KWin::SceneOpenGL2::paintSimpleScreen
(this=this@entry=0x18a3bc0, mask=mask@entry=8, region=...) at
../scene_opengl.cpp:1095
#32 0x00007f5f4f92d6b4 in KWin::Scene::finalPaintScreen (this=0x18a3bc0,
mask=mask@entry=8, region=..., data=...) at ../scene.cpp:201
#33 0x00007f5f4f966e5f in KWin::EffectsHandlerImpl::paintScreen
(this=0x1ecfe00, mask=mask@entry=8, region=..., data=...) at ../effects.cpp:415
#34 0x00007f5f4d94152f in KWin::Effect::paintScreen (this=this@entry=0x1f46990,
mask=mask@entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#35 0x00007f5f4f966e0a in KWin::EffectsHandlerImpl::paintScreen
(this=0x1ecfe00, mask=mask@entry=8, region=..., data=...) at ../effects.cpp:412
#36 0x00007f5f4d94152f in KWin::Effect::paintScreen (this=this@entry=0x1ede030,
mask=mask@entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#37 0x00007f5f4f966e0a in KWin::EffectsHandlerImpl::paintScreen
(this=0x1ecfe00, mask=mask@entry=8, region=..., data=...) at ../effects.cpp:412
#38 0x00007f5f4d94152f in KWin::Effect::paintScreen (this=this@entry=0x16aff10,
mask=mask@entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#39 0x00007f5f4f966e0a in KWin::EffectsHandlerImpl::paintScreen
(this=0x1ecfe00, mask=mask@entry=8, region=..., data=...) at ../effects.cpp:412
#40 0x00007f5f4d94152f in KWin::Effect::paintScreen (this=this@entry=0x1f8f950,
mask=mask@entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#41 0x00007f5f4f966e0a in KWin::EffectsHandlerImpl::paintScreen
(this=0x1ecfe00, mask=8, region=..., data=...) at ../effects.cpp:412
#42 0x00007f5f4f92d32a in KWin::Scene::paintScreen (this=this@entry=0x18a3bc0,
mask=mask@entry=0x7ffd87605d90, damage=..., repaint=...,
updateRegion=updateRegion@entry=0x7ffd87605d60,
validRegion=validRegion@entry=0x7ffd87605d70) at ../scene.cpp:151
#43 0x00007f5f4f949a98 in KWin::SceneOpenGL::paint (this=0x18a3bc0, damage=...,
toplevels=...) at ../scene_opengl.cpp:740
#44 0x00007f5f4f9251a3 in KWin::Compositor::performCompositing (this=0x14ef0e0)
at ../composite.cpp:712
#45 0x00007f5f4e3ba603 in QObject::event (this=0x14ef0e0, e=<optimized out>) at
kernel/qobject.cpp:1267
#46 0x00007f5f4ec56b8c in QApplicationPrivate::notify_helper
(this=this@entry=0x1471cd0, receiver=receiver@entry=0x14ef0e0,
e=e@entry=0x7ffd876061b0) at kernel/qapplication.cpp:3720
#47 0x00007f5f4ec5c230 in QApplication::notify (this=0x7ffd876063e0,
receiver=0x14ef0e0, e=0x7ffd876061b0) at kernel/qapplication.cpp:3503
#48 0x00007f5f4e388f1b in QCoreApplication::notifyInternal
(this=0x7ffd876063e0, receiver=0x14ef0e0, event=event@entry=0x7ffd876061b0) at
kernel/qcoreapplication.cpp:935
#49 0x00007f5f4e3df09d in QCoreApplication::sendEvent (event=0x7ffd876061b0,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#50 QTimerInfoList::activateTimers (this=0x14a8a78) at
kernel/qtimerinfo_unix.cpp:635
#51 0x00007f5f4e3dce40 in QEventDispatcherUNIX::activateTimers
(this=this@entry=0x14abce0) at kernel/qeventdispatcher_unix.cpp:549
#52 0x00007f5f4e3dd8b6 in QEventDispatcherUNIX::processEvents (this=0x14abce0,
flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:611
#53 0x00007f5f39f6505d in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at
eventdispatchers/qunixeventdispatcher.cpp:62
#54 0x00007f5f4e38675a in QEventLoop::exec (this=this@entry=0x7ffd87606300,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#55 0x00007f5f4e38e2cc in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#56 0x00007f5f4e6a300c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#57 0x00007f5f4ec53025 in QApplication::exec () at kernel/qapplication.cpp:2956
#58 0x00007f5f5005c4c4 in kdemain (argc=1, argv=0x7ffd87606548) at
../main_x11.cpp:303
#59 0x00007f5f4fcada40 in __libc_start_main (main=0x4007a0 <main(int, char**)>,
argc=3, argv=0x7ffd87606548, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd87606538) at libc-start.c:289
#60 0x00000000004007d9 in _start ()
Reported using DrKonqi
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