[kde] [Bug 348873] New: kwin crahed after waking up from suspend-to-RAM

Arne Henningsen arne.henningsen at gmail.com
Mon Jun 8 09:57:41 BST 2015 

https://bugs.kde.org/show_bug.cgi?id=348873

            Bug ID: 348873
           Summary: kwin crahed after waking up from suspend-to-RAM
           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: arne.henningsen at gmail.com

Application: kwin_x11 (5.2.2)

Qt Version: 5.4.1
Operating System: Linux 3.19.0-18-generic x86_64
Distribution: Ubuntu 15.04

-- Information about the crash:
I suspended my laptop computer (HP EliteBook 8560w) to RAM when it was not in a
docking station. At my workplace, I put the computer into a docking station
with external monitor and woke it up from suspend-to-RAM. A program window was
on top of the lock screen and mostly covered it so that I could not enter my
password and unlock the screen. However, after some seconds, the program window
disappeared so that I could see the entire lock screen and unlock the screen.
After unlocking, the bug reporting assistent informed me that kwin has crashed
but everything seems to work normal. I have experience the same or similar
problems several times after upgrading to "vivid." This crash may be related to
following bug that I (more) frequently experience on the same computer:

https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1461001

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 0x7fe3e1eb6800 (LWP 1783))]

Thread 6 (Thread 0x7fe3c1fbc700 (LWP 1800)):
#0  0x00007fe3e1991743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe3e01db101 in qt_safe_select (nfds=17,
fdread=fdread at entry=0x7fe3b8000a98, fdwrite=fdwrite at entry=0x7fe3b8000d28,
fdexcept=fdexcept at entry=0x7fe3b8000fb8, orig_timeout=orig_timeout at entry=0x0) at
kernel/qcore_unix.cpp:75
#2  0x00007fe3e01dccd2 in select (timeout=0x0, exceptfds=0x7fe3b8000fb8,
writefds=0x7fe3b8000d28, readfds=0x7fe3b8000a98, nfds=<optimized out>,
this=0x7fe3b80008e0) at kernel/qeventdispatcher_unix.cpp:320
#3  QEventDispatcherUNIXPrivate::doSelect (this=this at entry=0x7fe3b8000900,
flags=..., flags at entry=..., timeout=timeout at entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4  0x00007fe3e01dd275 in QEventDispatcherUNIX::processEvents
(this=0x7fe3b80008e0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5  0x00007fe3e01843e2 in QEventLoop::exec (this=this at entry=0x7fe3c1fbbda0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fe3dff43b44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007fe3d9df6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fe3dff48b0e in QThreadPrivate::start (arg=0x15a9060) at
thread/qthread_unix.cpp:337
#9  0x00007fe3d8fc36aa in start_thread (arg=0x7fe3c1fbc700) at
pthread_create.c:333
#10 0x00007fe3e199aeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7fe3b2ffd700 (LWP 1870)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe3ded4d644 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007fe3ded4d689 in ?? () from
/usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007fe3d8fc36aa in start_thread (arg=0x7fe3b2ffd700) at
pthread_create.c:333
#4  0x00007fe3e199aeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fe3b37fe700 (LWP 3750)):
#0  0x00007fe3e1991743 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fe3e01db101 in qt_safe_select (nfds=13,
fdread=fdread at entry=0x7fe3a4000a98, fdwrite=fdwrite at entry=0x7fe3a4000d28,
fdexcept=fdexcept at entry=0x7fe3a4000fb8, orig_timeout=orig_timeout at entry=0x0) at
kernel/qcore_unix.cpp:75
#2  0x00007fe3e01dccd2 in select (timeout=0x0, exceptfds=0x7fe3a4000fb8,
writefds=0x7fe3a4000d28, readfds=0x7fe3a4000a98, nfds=<optimized out>,
this=0x7fe3a40008e0) at kernel/qeventdispatcher_unix.cpp:320
#3  QEventDispatcherUNIXPrivate::doSelect (this=this at entry=0x7fe3a4000900,
flags=..., flags at entry=..., timeout=timeout at entry=0x0) at
kernel/qeventdispatcher_unix.cpp:196
#4  0x00007fe3e01dd275 in QEventDispatcherUNIX::processEvents
(this=0x7fe3a40008e0, flags=...) at kernel/qeventdispatcher_unix.cpp:607
#5  0x00007fe3e01843e2 in QEventLoop::exec (this=this at entry=0x7fe3b37fdda0,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fe3dff43b44 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#7  0x00007fe3d9df6f65 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007fe3dff48b0e in QThreadPrivate::start (arg=0x1ceca80) at
thread/qthread_unix.cpp:337
#9  0x00007fe3d8fc36aa in start_thread (arg=0x7fe3b37fe700) at
pthread_create.c:333
#10 0x00007fe3e199aeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fe3b3fff700 (LWP 3751)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe3dff49c6b in wait (time=18446744073709551615, this=0x1e84000) at
thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x20c93d0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fe3defd4fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fe3defd53a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe3dff48b0e in QThreadPrivate::start (arg=0x20c9350) at
thread/qthread_unix.cpp:337
#6  0x00007fe3d8fc36aa in start_thread (arg=0x7fe3b3fff700) at
pthread_create.c:333
#7  0x00007fe3e199aeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fe3c33e2700 (LWP 10666)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fe3dff49c6b in wait (time=18446744073709551615, this=0x2652130) at
thread/qwaitcondition_unix.cpp:128
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x24debc0,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:200
#3  0x00007fe3defd4fab in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#4  0x00007fe3defd53a0 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#5  0x00007fe3dff48b0e in QThreadPrivate::start (arg=0x24deb40) at
thread/qthread_unix.cpp:337
#6  0x00007fe3d8fc36aa in start_thread (arg=0x7fe3c33e2700) at
pthread_create.c:333
#7  0x00007fe3e199aeed in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fe3e1eb6800 (LWP 1783)):
[KCrash Handler]
#6  __memcpy_sse2_unaligned () at
../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:35
#7  0x00007fe3da247516 in KWin::GLVertexBuffer::setData
(this=this at entry=0x15eb8b0, vertexCount=24, dim=dim at entry=2,
vertices=0x1619e48, texcoords=texcoords at entry=0x0) at
../../libkwineffects/kwinglutils.cpp:2242
#8  0x00007fe3e1556d3d in KWin::SceneOpenGL2::doPaintBackground
(this=<optimized out>, vertices=...) at ../scene_opengl.cpp:1039
#9  0x00007fe3e155c475 in KWin::SceneOpenGL::paintBackground
(this=this at entry=0x1601110, region=...) at ../scene_opengl.cpp:732
#10 0x00007fe3e1545e6c in KWin::Scene::paintSimpleScreen
(this=this at entry=0x1601110, orig_mask=orig_mask at entry=0, region=...) at
../scene.cpp:369
#11 0x00007fe3e1556513 in KWin::SceneOpenGL2::paintSimpleScreen
(this=this at entry=0x1601110, mask=mask at entry=0, region=...) at
../scene_opengl.cpp:1005
#12 0x00007fe3e1543205 in KWin::Scene::finalPaintScreen (this=0x1601110,
mask=mask at entry=0, region=..., data=...) at ../scene.cpp:199
#13 0x00007fe3e1579cff in KWin::EffectsHandlerImpl::paintScreen
(this=0x160a090, mask=mask at entry=0, region=..., data=...) at ../effects.cpp:393
#14 0x00007fe3df75457f in KWin::Effect::paintScreen (this=this at entry=0x162e030,
mask=mask at entry=0, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#15 0x00007fe3e1579cad in KWin::EffectsHandlerImpl::paintScreen
(this=0x160a090, mask=mask at entry=0, region=..., data=...) at ../effects.cpp:390
#16 0x00007fe3df75457f in KWin::Effect::paintScreen (this=this at entry=0x1603fc0,
mask=mask at entry=0, region=..., data=...) at
../../libkwineffects/kwineffects.cpp:535
#17 0x00007fe3e1579cad in KWin::EffectsHandlerImpl::paintScreen
(this=0x160a090, mask=0, region=..., data=...) at ../effects.cpp:390
#18 0x00007fe3e1542e6a in KWin::Scene::paintScreen (this=this at entry=0x1601110,
mask=mask at entry=0x7ffc575427cc, damage=..., repaint=...,
updateRegion=updateRegion at entry=0x7ffc575427e0,
validRegion=validRegion at entry=0x7ffc575427f0) at ../scene.cpp:149
#19 0x00007fe3e155cda7 in KWin::SceneOpenGL::paint (this=0x1601110, damage=...,
toplevels=...) at ../scene_opengl.cpp:651
#20 0x00007fe3e153c973 in KWin::Compositor::performCompositing (this=0x155a530)
at ../composite.cpp:658
#21 0x00007fe3e01b86f3 in QObject::event (this=0x155a530, e=<optimized out>) at
kernel/qobject.cpp:1267
#22 0x00007fe3e0a90b2c in QApplicationPrivate::notify_helper (this=0x14613d0,
receiver=0x155a530, e=0x7ffc57542c00) at kernel/qapplication.cpp:3720
#23 0x00007fe3e0a96000 in QApplication::notify (this=0x7ffc57542e40,
receiver=0x155a530, e=0x7ffc57542c00) at kernel/qapplication.cpp:3503
#24 0x00007fe3e0186c2b in QCoreApplication::notifyInternal
(this=0x7ffc57542e40, receiver=0x155a530, event=event at entry=0x7ffc57542c00) at
kernel/qcoreapplication.cpp:935
#25 0x00007fe3e01deae5 in sendEvent (event=0x7ffc57542c00, receiver=<optimized
out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:228
#26 QTimerInfoList::activateTimers (this=0x14ab4e8) at
kernel/qtimerinfo_unix.cpp:635
#27 0x00007fe3e01dc6a0 in QEventDispatcherUNIX::activateTimers
(this=this at entry=0x14b9160) at kernel/qeventdispatcher_unix.cpp:549
#28 0x00007fe3e01dd243 in QEventDispatcherUNIX::processEvents (this=0x14b9160,
flags=flags at entry=...) at kernel/qeventdispatcher_unix.cpp:611
#29 0x00007fe3caf1d96d in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at
eventdispatchers/qunixeventdispatcher.cpp:62
#30 0x00007fe3e01843e2 in QEventLoop::exec (this=this at entry=0x7ffc57542d60,
flags=..., flags at entry=...) at kernel/qeventloop.cpp:204
#31 0x00007fe3e018c02c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1188
#32 0x00007fe3e04cb31c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1510
#33 0x00007fe3e0a8c7a5 in QApplication::exec () at kernel/qapplication.cpp:2956
#34 0x00007fe3e1c628c3 in kdemain (argc=1, argv=0x7ffc57542f98) at
../main_x11.cpp:294
#35 0x00007fe3e18b4a40 in __libc_start_main (main=0x400790 <main(int, char**)>,
argc=1, argv=0x7ffc57542f98, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc57542f88) at libc-start.c:289
#36 0x00000000004007c9 in _start ()

Reported using DrKonqi

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