[Bug 77402] New: KWin crash in brw_workaround_depthstencil_alignment on Haswell

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Apr 13 08:48:44 PDT 2014 

https://bugs.freedesktop.org/show_bug.cgi?id=77402

          Priority: medium
            Bug ID: 77402
          Assignee: idr at freedesktop.org
           Summary: KWin crash in brw_workaround_depthstencil_alignment on
                    Haswell
        QA Contact: intel-3d-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: patrakov at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 10.1
         Component: Drivers/DRI/i965
           Product: Mesa

Created attachment 97312
  --> https://bugs.freedesktop.org/attachment.cgi?id=97312&action=edit
valgrind log

This is a clone of https://bugs.kde.org/show_bug.cgi?id=328496

KWin sometimes gets into a mode when it always crashes on start if desktop
effects are enabled. This happens on Haswell hardware.

00:02.0 VGA compatible controller [0300]: Intel Corporation Xeon E3-1200 v3/4th
Gen Core Processor Integrated Graphics Controller [8086:0412] (rev 06)

The crash looks as follows:

Application: KWin (kwin), signal: Segmentation fault Using host libthread_db
library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f525dcc3800
(LWP 22941))] Thread 6 (Thread 0x7f523c0b4700 (LWP 22992)): #0
0x00007f5257ef67de in pthread_cond_timedwait () from /lib64/libpthread.so.0 #1
0x00007f5258188624 in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4 #2 0x00007f525817bda5 in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #3 0x00007f525818816f in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #4 0x00007f5257ef2201 in start_thread () from
/lib64/libpthread.so.0 #5 0x00007f525d50158d in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7f523ae18700 (LWP 23018)): #0 0x00007f5257ef67de in
pthread_cond_timedwait () from /lib64/libpthread.so.0 #1 0x00007f5258188624 in
QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4 #2 0x00007f525817bda5 in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #3 0x00007f525818816f in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #4 0x00007f5257ef2201 in start_thread () from
/lib64/libpthread.so.0 #5 0x00007f525d50158d in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f523a617700 (LWP 23019)): #0 0x00007f525d4fa403 in select
() from /lib64/libc.so.6 #1 0x00007f5258264b21 in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #2 0x00007f525818816f in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #3 0x00007f5257ef2201 in start_thread () from
/lib64/libpthread.so.0 #4 0x00007f525d50158d in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f5239c87700 (LWP 23024)): #0 0x00007f5257ef640c in
pthread_cond_wait () from /lib64/libpthread.so.0 #1 0x00007f525c6fb86b in ?? ()
from /usr/lib64/qt4/libQtScript.so.4 #2 0x00007f525c6fb8a9 in ?? () from
/usr/lib64/qt4/libQtScript.so.4 #3 0x00007f5257ef2201 in start_thread () from
/lib64/libpthread.so.0 #4 0x00007f525d50158d in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f5238eff700 (LWP 23025)): #0 0x00007f5257ef67de in
pthread_cond_timedwait () from /lib64/libpthread.so.0 #1 0x00007f5258188624 in
QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib64/qt4/libQtCore.so.4 #2 0x00007f525817bda5 in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #3 0x00007f525818816f in ?? () from
/usr/lib64/qt4/libQtCore.so.4 #4 0x00007f5257ef2201 in start_thread () from
/lib64/libpthread.so.0 #5 0x00007f525d50158d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f525dcc3800 (LWP 22941)): [KCrash Handler] #5
0x00007f51abbbe758 in get_stencil_miptree (irb=0x27cf660) at
brw_misc_state.c:257 #6 brw_workaround_depthstencil_alignment
(brw=brw at entry=0x7f5238126038, clear_mask=clear_mask at entry=0) at
brw_misc_state.c:273 #7 0x00007f51abb7b72d in brw_try_draw_prims (indirect=0x0,
max_index=23, min_index=0, ib=0x0, nr_prims=1, prims=0x7fff99c1b300,
arrays=0x28a4730, ctx=0x7f5238126038) at brw_draw.c:415 #8 brw_draw_prims
(ctx=0x7f5238126038, prims=0x7fff99c1b300, nr_prims=1, ib=0x0,
index_bounds_valid=<optimized out>, min_index=0, max_index=23,
unused_tfb_object=0x0, indirect=0x0) at brw_draw.c:569 #9 0x00007f51ab9da23d in
vbo_draw_arrays (ctx=0x7f5238126038, mode=4, start=0, count=24, numInstances=1,
baseInstance=0) at vbo/vbo_exec_array.c:661 #10 0x00007f5258fb337e in
KWin::GLVertexBuffer::draw (this=this at entry=0x2e6b470, region=...,
primitiveMode=primitiveMode at entry=4, first=first at entry=0, count=24,
hardwareClipping=hardwareClipping at entry=false) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/libkwineffects/kwinglutils.cpp:1949
#11 0x00007f5258fb6359 in KWin::GLVertexBuffer::render (this=0x2e6b470,
region=..., primitiveMode=4, hardwareClipping=<optimized out>) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/libkwineffects/kwinglutils.cpp:1902
#12 0x00007f5258fb63bd in KWin::GLVertexBuffer::render (this=0x2e6b470,
primitiveMode=4) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/libkwineffects/kwinglutils.cpp:1896
#13 0x00007f525d893115 in KWin::SceneOpenGL::paintBackground
(this=this at entry=0x2e70060, region=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene_opengl.cpp:460
#14 0x00007f525d88337e in KWin::Scene::paintSimpleScreen
(this=this at entry=0x2e70060, orig_mask=orig_mask at entry=0, region=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene.cpp:367
#15 0x00007f525d8810a5 in KWin::Scene::finalPaintScreen (this=0x2e70060,
mask=mask at entry=0, region=..., data=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene.cpp:198
#16 0x00007f525d8a372d in KWin::EffectsHandlerImpl::paintScreen
(this=0x2e701e0, mask=0, region=..., data=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/effects.cpp:375
#17 0x00007f525d883563 in KWin::Scene::paintScreen (this=this at entry=0x2e70060,
mask=mask at entry=0x7fff99c1b84c, damage=..., repaint=...,
updateRegion=updateRegion at entry=0x7fff99c1b860,
validRegion=validRegion at entry=0x7fff99c1b870) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene.cpp:148
#18 0x00007f525d89634e in KWin::SceneOpenGL::paint (this=this at entry=0x2e70060,
damage=..., toplevels=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene_opengl.cpp:389
#19 0x00007f525d8966b7 in KWin::SceneOpenGL1::paint (this=0x2e70060,
damage=..., windows=...) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/scene_opengl.cpp:875
#20 0x00007f525d87b223 in KWin::Compositor::performCompositing
(this=this at entry=0x26e84c0) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/composite.cpp:618
#21 0x00007f525d87c4e9 in KWin::Compositor::slotCompositingOptionsInitialized
(this=0x26e84c0) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/composite.cpp:273
#22 0x00007f525d805865 in KWin::Compositor::qt_static_metacall (_o=<optimized
out>, _id=<optimized out>, _a=<optimized out>, _c=<optimized out>) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8_build/kwin/moc_composite.cpp:193
#23 0x00007f525829b2c8 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib64/qt4/libQtCore.so.4 #24 0x00007f5258178fc8 in
QFutureWatcherBase::event(QEvent*) () from /usr/lib64/qt4/libQtCore.so.4 #25
0x00007f525740b47c in QApplicationPrivate::notify_helper(QObject*, QEvent*) ()
from /usr/lib64/qt4/libQtGui.so.4 #26 0x00007f5257411a40 in
QApplication::notify(QObject*, QEvent*) () from /usr/lib64/qt4/libQtGui.so.4
#27 0x00007f525c146a6a in KApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libkdeui.so.5 #28 0x00007f525828775d in
QCoreApplication::notifyInternal(QObject*, QEvent*) () from
/usr/lib64/qt4/libQtCore.so.4 #29 0x00007f525828a7af in
QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from
/usr/lib64/qt4/libQtCore.so.4 #30 0x00007f52574a8109 in ?? () from
/usr/lib64/qt4/libQtGui.so.4 #31 0x00007f52582863bf in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4 #32 0x00007f52582866b5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/qt4/libQtCore.so.4 #33 0x00007f525828b7cb in
QCoreApplication::exec() () from /usr/lib64/qt4/libQtCore.so.4 #34
0x00007f525d8352c6 in kdemain (argc=3, argv=0x7fff99c1c518) at
/usr/portage/packages/portage/kde-base/kwin-4.11.8/work/kwin-4.11.8/kwin/main.cpp:597
#35 0x00007f525d43aa65 in __libc_start_main () from /lib64/libc.so.6 #36
0x000000000040077e in _start ()

Attached valgrind log (that unfortunately complains about all hardware writes
as invalid) complains about near-NULL pointer read in
brw_workaround_depthstencil_alignment. See line 5316.

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