[kde] [Bug 348025] New: kwin crashes

tomas nackaerts tomas.nackaerts at gmail.com
Wed May 20 19:24:22 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=348025

            Bug ID: 348025
           Summary: kwin crashes
           Product: kde
           Version: unspecified
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: tomas.nackaerts at gmail.com

Application: kwin_x11 (5.3.0)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-16-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
- What I was doing when the application crashed:
normal usage of the desktop: various windows open, one of them was a simple
opengl game running  in the background

- Unusual behavior I noticed:
desktop crashes with some flickering, but restarted without any problems

-- 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 0x7f8e30314800 (LWP 1617))]

Thread 3 (Thread 0x7f8e12bab700 (LWP 1646)):
#0  0x00007f8e2fdf2743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007f8e2e3e4101 in qt_safe_select (nfds=15,
fdread=fdread at entry=0x7f8e04000a78, fdwrite=fdwrite at entry=0x7f8e04000d08,
fdexcept=fdexcept at entry=0x7f8e04000f98, orig_timeout=orig_timeout at entry=0x0) at
kernel/qcore_unix.cpp:75
#2  0x00007f8e2e3e5cd2 in select (timeout=0x0, exceptfds=0x7f8e04000f98,
writefds=0x7f8e04000d08, readfds=0x7f8e04000a78, nfds=<optimized out>,
this=0x7f8e040008c0) at kernel/qeventdispatcher_unix.cpp:320
#3  QEventDispatcherUNIXPrivate::doSelect (this=this at entry=0x7f8e040008e0,
flags=..., flags at entry=..., timeout=timeout at entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4  0x00007f8e2e3e6275 in QEventDispatcherUNIX::processEvents
(this=0x7f8e040008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5  0x00007f8e2e38d3e2 in QEventLoop::exec (this=this at entry=0x7f8e12baada0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f8e2e14cb44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007f8e27faff65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f8e2e151b0e in QThreadPrivate::start (arg=0xb4ec90) at
thread/qthread_unix.cpp:337
#9  0x00007f8e2f6716aa in start_thread (arg=0x7f8e12bab700) at
pthread_create.c:333
#10 0x00007f8e2fdfbeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f8dffe9a700 (LWP 1656)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f8e2cf55644 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f8e2cf55689 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f8e2f6716aa in start_thread (arg=0x7f8dffe9a700) at
pthread_create.c:333
#4  0x00007f8e2fdfbeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f8e30314800 (LWP 1617)):
[KCrash Handler]
#6  0x00007f8e0a56461f in ?? () from /usr/lib/dri/fglrx_dri.so
#7  0x00007f8e09c56049 in ?? () from /usr/lib/dri/fglrx_dri.so
#8  0x00007f8e09c562d2 in ?? () from /usr/lib/dri/fglrx_dri.so
#9  0x00007f8e0a0839c3 in ?? () from /usr/lib/dri/fglrx_dri.so
#10 0x00007f8e2d47f83e in KWin::BlurEffect::doCachedBlur (this=0xb4dfc0,
w=0x7f8e26768280 <glCopyTexSubImage2D>, region=..., opacity=9.14767638e-41) at
../../effects/blur/blur.cpp:591
#11 0x00007f8e2d480501 in KWin::BlurEffect::drawWindow
(this=this at entry=0xb4dfc0, w=w at entry=0x11ee110, mask=mask at entry=10, region=...,
data=...) at ../../effects/blur/blur.cpp:407
#12 0x00007f8e2f9c42f1 in KWin::EffectsHandlerImpl::drawWindow (this=0x1090210,
w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...) at
../effects.cpp:474
#13 0x00007f8e2f989451 in KWin::Scene::finalPaintWindow (this=<optimized out>,
w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...) at
../scene.cpp:607
#14 0x00007f8e2f9c419a in KWin::EffectsHandlerImpl::paintWindow
(this=0x1090210, w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...)
at ../effects.cpp:440
#15 0x00007f8e2d95d741 in KWin::Effect::paintWindow (this=this at entry=0xa163a0,
w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:550
#16 0x00007f8e2f9c4141 in KWin::EffectsHandlerImpl::paintWindow
(this=0x1090210, w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...)
at ../effects.cpp:437
#17 0x00007f8e2d95d741 in KWin::Effect::paintWindow (this=this at entry=0xb4dfc0,
w=w at entry=0x11ee110, mask=mask at entry=10, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:550
#18 0x00007f8e2f9c4141 in KWin::EffectsHandlerImpl::paintWindow
(this=0x1090210, w=0x11ee110, mask=mask at entry=10, region=..., data=...) at
../effects.cpp:437
#19 0x00007f8e2f98e328 in KWin::Scene::paintWindow (this=this at entry=0x1070f70,
w=0x11ebff0, mask=10, region=..., quads=...) at ../scene.cpp:479
#20 0x00007f8e2f98c04e in KWin::Scene::paintSimpleScreen
(this=this at entry=0x1070f70, orig_mask=orig_mask at entry=8, region=...) at
../scene.cpp:382
#21 0x00007f8e2f99f743 in KWin::SceneOpenGL2::paintSimpleScreen
(this=this at entry=0x1070f70, mask=mask at entry=8, region=...) at
../scene_opengl.cpp:1015
#22 0x00007f8e2f988e15 in KWin::Scene::finalPaintScreen (this=0x1070f70,
mask=mask at entry=8, region=..., data=...) at ../scene.cpp:201
#23 0x00007f8e2f9c3f1f in KWin::EffectsHandlerImpl::paintScreen
(this=0x1090210, mask=mask at entry=8, region=..., data=...) at ../effects.cpp:397
#24 0x00007f8e2d95d66f in KWin::Effect::paintScreen (this=this at entry=0xa163a0,
mask=mask at entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#25 0x00007f8e2f9c3ecd in KWin::EffectsHandlerImpl::paintScreen
(this=0x1090210, mask=mask at entry=8, region=..., data=...) at ../effects.cpp:394
#26 0x00007f8e2d95d66f in KWin::Effect::paintScreen (this=this at entry=0xb4dfc0,
mask=mask at entry=8, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#27 0x00007f8e2f9c3ecd in KWin::EffectsHandlerImpl::paintScreen
(this=0x1090210, mask=8, region=..., data=...) at ../effects.cpp:394
#28 0x00007f8e2f988a7a in KWin::Scene::paintScreen (this=this at entry=0x1070f70,
mask=mask at entry=0x7ffe4f6dbb4c, damage=..., repaint=...,
updateRegion=updateRegion at entry=0x7ffe4f6dbb60,
validRegion=validRegion at entry=0x7ffe4f6dbb70) at ../scene.cpp:151
#29 0x00007f8e2f9a6037 in KWin::SceneOpenGL::paint (this=0x1070f70, damage=...,
toplevels=...) at ../scene_opengl.cpp:661
#30 0x00007f8e2f980f33 in KWin::Compositor::performCompositing (this=0xa18680)
at ../composite.cpp:700
#31 0x00007f8e2e3c16f3 in QObject::event (this=0xa18680, e=<optimized out>) at
kernel/qobject.cpp:1267
#32 0x00007f8e2ec99b2c in QApplicationPrivate::notify_helper (this=0x91ac60,
receiver=0xa18680, e=0x7ffe4f6dbf80) at kernel/qapplication.cpp:3720
#33 0x00007f8e2ec9f000 in QApplication::notify (this=0x7ffe4f6dc1c0,
receiver=0xa18680, e=0x7ffe4f6dbf80) at kernel/qapplication.cpp:3503
#34 0x00007f8e2e38fc2b in QCoreApplication::notifyInternal
(this=0x7ffe4f6dc1c0, receiver=0xa18680, event=event at entry=0x7ffe4f6dbf80) at
kernel/qcoreapplication.cpp:935
#35 0x00007f8e2e3e7ae5 in sendEvent (event=0x7ffe4f6dbf80, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#36 QTimerInfoList::activateTimers (this=0x94e528) at
kernel/qtimerinfo_unix.cpp:635
#37 0x00007f8e2e3e56a0 in QEventDispatcherUNIX::activateTimers
(this=this at entry=0x958ad0) at kernel/qeventdispatcher_unix.cpp:549
#38 0x00007f8e2e3e6243 in QEventDispatcherUNIX::processEvents (this=0x958ad0,
flags=flags at entry=...) at kernel/qeventdispatcher_unix.cpp:611
#39 0x00007f8e1af9b96d in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at
eventdispatchers/qunixeventdispatcher.cpp:62
#40 0x00007f8e2e38d3e2 in QEventLoop::exec (this=this at entry=0x7ffe4f6dc0e0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#41 0x00007f8e2e39502c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#42 0x00007f8e2e6d431c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#43 0x00007f8e2ec957a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#44 0x00007f8e300c4310 in kdemain (argc=1, argv=0x7ffe4f6dc328) at
../main_x11.cpp:300
#45 0x00007f8e2fd15a40 in __libc_start_main (main=0x400790 <main(int, char**)>,
argc=3, argv=0x7ffe4f6dc328, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffe4f6dc318) at libc-start.c:289
#46 0x00000000004007c9 in _start ()

Reported using DrKonqi

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