Bug#900373: Update - plasmashell too
Hi,
The same started to happen for plasmashell too. It happens from time to
time when it shows a notification or a pop-up (for example the window
preview when hovering the task bar). Here's the stack:
(gdb) where
#0 0x00007f7ff847a5d9 in __GI___poll (fds=fds@entry=0x7ffd2906c3e8,
nfds=nfds@entry=1, timeout=timeout@entry=-1) at
../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f7ffd4f00f7 in poll (__timeout=-1, __nfds=1,
__fds=0x7ffd2906c3e8) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2 0x00007f7ffd4f00f7 in _xcb_conn_wait (c=c@entry=0x560a9b26a270,
cond=cond@entry=0x560a9e9154b8, vector=vector@entry=0x0,
count=count@entry=0x0) at ../../src/xcb_conn.c:479
#3 0x00007f7ffd4f1e0a in xcb_wait_for_special_event (c=0x560a9b26a270,
se=0x560a9e915490) at ../../src/xcb_in.c:795
#4 0x00007f7fd274296b in dri3_wait_for_event_locked
(draw=0x560aa0656888) at ../../../src/loader/loader_dri3_helper.c:431
#5 0x00007f7fd2742ac8 in dri3_find_back
(draw=draw@entry=0x560aa0656888) at
../../../src/loader/loader_dri3_helper.c:557
#6 0x00007f7fd274340e in dri3_get_buffer (format=format@entry=4107,
buffer_type=buffer_type@entry=loader_dri3_buffer_back,
draw=draw@entry=0x560aa0656888, driDrawable=0x7f7fe00062d0)
at ../../../src/loader/loader_dri3_helper.c:1399
#7 0x00007f7fd2744081 in loader_dri3_get_buffers
(driDrawable=driDrawable@entry=0x7f7fe00062d0, format=4107,
stamp=stamp@entry=0x7f7fe0006300,
loaderPrivate=loaderPrivate@entry=0x560aa0656888, buffer_mask=<optimized
out>, buffer_mask@entry=1, buffers=buffers@entry=0x7ffd2906c6a0) at
../../../src/loader/loader_dri3_helper.c:1603
#8 0x00007f7fd0c9459f in intel_update_image_buffers
(drawable=0x7f7fe00062d0, brw=0x560a9cd013a0) at
../../../../../../src/mesa/drivers/dri/i965/brw_context.c:1722
#9 0x00007f7fd0c9459f in intel_update_renderbuffers
(context=context@entry=0x560a9ca54c70,
drawable=drawable@entry=0x7f7fe00062d0) at
../../../../../../src/mesa/drivers/dri/i965/brw_context.c:1398
#10 0x00007f7fd0c948a1 in intel_prepare_render
(brw=brw@entry=0x560a9cd013a0) at
../../../../../../src/mesa/drivers/dri/i965/brw_context.c:1419
#11 0x00007f7fd0c8ffac in brw_clear (ctx=0x560a9cd013a0, mask=50) at
../../../../../../src/mesa/drivers/dri/i965/brw_clear.c:278
#12 0x00007f7ffc8fe158 in QSGBatchRenderer::Renderer::renderBatches() ()
at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#13 0x00007f7ffc903a84 in QSGBatchRenderer::Renderer::render() () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#14 0x00007f7ffc8f4220 in QSGRenderer::renderScene(QSGBindable const&)
() at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#15 0x00007f7ffc8f46db in QSGRenderer::renderScene(unsigned int) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#16 0x00007f7ffc92dc20 in
QSGDefaultRenderContext::renderNextFrame(QSGRenderer*, unsigned int) ()
at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#17 0x00007f7ffc9918b8 in QQuickWindowPrivate::renderSceneGraph(QSize
const&) () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#18 0x00007f7ffc9201b9 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#19 0x00007f7ffc99c296 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#20 0x00007f7ff9d426cc in QApplicationPrivate::notify_helper(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f7ff9d49e84 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f7ff8d5b938 in QCoreApplication::notifyInternal2(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f7ff955d291 in QWindowPrivate::deliverUpdateRequest() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f7ff955d7b9 in QWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#25 0x00007f7ffc99c235 in QQuickWindow::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#26 0x00007f7ff9d426cc in QApplicationPrivate::notify_helper(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007f7ff9d49e84 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007f7ff8d5b938 in QCoreApplication::notifyInternal2(QObject*,
QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f7ff8db563e in QTimerInfoList::activateTimers() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#30 0x00007f7ff8db5e01 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f7ff2d71287 in g_main_context_dispatch () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#32 0x00007f7ff2d714c0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#33 0x00007f7ff2d7154c in g_main_context_iteration () at
/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f7ff8db619f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f7fea59d2c1 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#36 0x00007f7ff8d59b6a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f7ff8d62ed4 in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x0000560a9a9e6d0d in ()
#39 0x00007f7ff83afa87 in __libc_start_main (main=0x560a9a9e6320,
argc=1, argv=0x7ffd2906d6d8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd2906d6c8)
at ../csu/libc-start.c:310
#40 0x0000560a9a9e70aa in _start ()
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