Bug 387451 - KWin crash on using default window-switcher
Summary: KWin crash on using default window-switcher
Status: RESOLVED UPSTREAM
Alias: None
Product: kwin
Classification: Plasma
Component: tabbox (show other bugs)
Version: unspecified
Platform: Ubuntu Linux
: NOR crash
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-11-29 22:16 UTC by Marcus Harrison
Modified: 2017-12-20 16:31 UTC (History)
0 users

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

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Description Marcus Harrison 2017-11-29 22:16:02 UTC 
Application: kwin_x11 (5.10.5)

Qt Version: 5.9.1
Frameworks Version: 5.38.0
Operating System: Linux 4.13.0-17-generic x86_64
Distribution: Ubuntu 17.10

-- Information about the crash:
- What I was doing when the application crashed:

Alt-tabbing through windows when compositing effects are enabled.

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 0x7f37f0a02980 (LWP 10676))]

Thread 15 (Thread 0x7f3705066700 (LWP 10717)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d8c13dc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d8c1388, cond=0x558c4d8c13b0) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d8c13b0, mutex=0x558c4d8c1388) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f3705066700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7f3707fff700 (LWP 10716)):
#0  0x00007f37f037f9fb in __GI_ppoll (fds=0x7f378800c098, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f37ed98e151 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f37ed98f86e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f37ed937e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f37ed7573ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f37ed75c29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6  0x00007f37e95a97fc in start_thread (arg=0x7f3707fff700) at pthread_create.c:465
#7  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 13 (Thread 0x7f37961a2700 (LWP 10702)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4db3fab8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4db3fa68, cond=0x558c4db3fa90) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4db3fa90, mutex=0x558c4db3fa68) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37961a2700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f37959a1700 (LWP 10691)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f37ecbd1fb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x7f37ecbd1f68, cond=0x7f37ecbd1f90) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x7f37ecbd1f90, mutex=0x7f37ecbd1f68) at pthread_cond_wait.c:655
#3  0x00007f37ec8ddbd4 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#4  0x00007f37ec8ddc19 in  () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37959a1700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f379f5ef700 (LWP 10687)):
#0  0x00007f37f037f9fb in __GI_ppoll (fds=0x7f3798000d18, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f37ed98e151 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f37ed98f86e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f37ed937e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f37ed7573ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f37e80b0f45 in  () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#6  0x00007f37ed75c29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f37e95a97fc in start_thread (arg=0x7f379f5ef700) at pthread_create.c:465
#8  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f37bcdbf700 (LWP 10686)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d609ca0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d609c50, cond=0x558c4d609c78) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d609c78, mutex=0x558c4d609c50) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bcdbf700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f37bd5c0700 (LWP 10685)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d609ca4) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d609c50, cond=0x558c4d609c78) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d609c78, mutex=0x558c4d609c50) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bd5c0700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f37bddc1700 (LWP 10684)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d609bbc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d609b68, cond=0x558c4d609b90) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d609b90, mutex=0x558c4d609b68) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bddc1700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f37be5c2700 (LWP 10683)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d609bb8) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d609b68, cond=0x558c4d609b90) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d609b90, mutex=0x558c4d609b68) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37be5c2700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f37bedc3700 (LWP 10682)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d609bbc) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d609b68, cond=0x558c4d609b90) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d609b90, mutex=0x558c4d609b68) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bedc3700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f37bf7fe700 (LWP 10681)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d605ac0) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d605a70, cond=0x558c4d605a98) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d605a98, mutex=0x558c4d605a70) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bf7fe700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f37bffff700 (LWP 10680)):
#0  0x00007f37e95b0072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x558c4d60509c) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  0x00007f37e95b0072 in __pthread_cond_wait_common (abstime=0x0, mutex=0x558c4d605048, cond=0x558c4d605070) at pthread_cond_wait.c:502
#2  0x00007f37e95b0072 in __pthread_cond_wait (cond=0x558c4d605070, mutex=0x558c4d605048) at pthread_cond_wait.c:655
#3  0x00007f37cca75b8b in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#4  0x00007f37cca75aa7 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37bffff700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f37cf42f700 (LWP 10678)):
#0  0x00007f37f037f9fb in __GI_ppoll (fds=0x7f37c800e5d8, nfds=1, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f37ed98e151 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#2  0x00007f37ed98f86e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3  0x00007f37ed937e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#4  0x00007f37ed7573ca in QThread::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f37e7271e45 in  () at /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5
#6  0x00007f37ed75c29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f37e95a97fc in start_thread (arg=0x7f37cf42f700) at pthread_create.c:465
#8  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f37d5539700 (LWP 10677)):
#0  0x00007f37f037f901 in __GI___poll (fds=0x7f37d5538b38, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f37ef48f747 in  () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f37ef49153a in xcb_wait_for_event () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f37d61e6f09 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4  0x00007f37ed75c29d in  () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f37e95a97fc in start_thread (arg=0x7f37d5539700) at pthread_create.c:465
#6  0x00007f37f038bb0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f37f0a02980 (LWP 10676)):
[KCrash Handler]
#6  0x00007f37cce1a826 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#7  0x00007f37ccb928f3 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#8  0x00007f37ccb909ef in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#9  0x00007f37ccb932c2 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#10 0x00007f37cc97beb4 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#11 0x00007f37cc97d97a in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#12 0x00007f37cc900093 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#13 0x00007f37cc902150 in  () at /usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so
#14 0x00007f37e8768de4 in QSGPlainTexture::bind() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f37e878fa0b in QSGPainterTexture::bind() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f37e876b0fa in QSGOpaqueTextureMaterialShader::updateState(QSGMaterialShader::RenderState const&, QSGMaterial*, QSGMaterial*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f37e875a1d7 in QSGBatchRenderer::Renderer::renderMergedBatch(QSGBatchRenderer::Batch const*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f37e875b555 in QSGBatchRenderer::Renderer::renderBatches() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f37e8760cac in QSGBatchRenderer::Renderer::render() () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f37e875166d in QSGRenderer::renderScene(QSGBindable const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#21 0x00007f37e8751b2b in QSGRenderer::renderScene(unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#22 0x00007f37e878bf50 in QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#23 0x00007f37e87e89b8 in QQuickWindowPrivate::renderSceneGraph(QSize const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#24 0x00007f37e877e399 in  () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#25 0x00007f37e87f2d66 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f3703ecccd3 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#27 0x00007f37ee6b446c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f37ee6bbd34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#29 0x00007f37ed939de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f37edf04b01 in QWindowPrivate::deliverUpdateRequest() () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#31 0x00007f37edf05019 in QWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#32 0x00007f37e87f2d05 in QQuickWindow::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#33 0x00007f3703ecccd3 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#34 0x00007f37ee6b446c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#35 0x00007f37ee6bbd34 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#36 0x00007f37ed939de8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f37ed99191e in QTimerInfoList::activateTimers() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f37ed98fad2 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f37d62499ad in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#40 0x00007f37ed937e3a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#41 0x00007f37ed940da4 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f37f065fd66 in kdemain () at /usr/lib/x86_64-linux-gnu/libkdeinit5_kwin_x11.so
#43 0x00007f37f02981c1 in __libc_start_main (main=0x558c4bf457b0, argc=2, argv=0x7ffdbc812f68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffdbc812f58) at ../csu/libc-start.c:308
#44 0x0000558c4bf457ea in _start ()

Report to https://bugs.kde.org/
Comment 1 Martin Flöser 2017-11-30 05:21:24 UTC 
Crash happens in the Radeon driver. Please report to Radeon developers.
Comment 2 Marcus Harrison 2017-11-30 16:52:18 UTC 
Thanks.

Where would I go about that? Simply searching results in hits for submitting Catalyst/DirectX/Windows bugs...
Comment 3 Martin Flöser 2017-11-30 17:17:49 UTC 
Sorry, but I don't know where to report this.
Comment 4 Christoph Feck 2017-12-20 16:31:33 UTC 
https://bugs.freedesktop.org/
Product: Mesa
Component: Drivers/Gallium/radeonsi