<table><tr><td style="">fvogt added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D8752" rel="noreferrer">View Revision</a></tr></table><br /><div><div><p>Ok, now both AMS and no-AMS cases result in the same crash.<br />
libepoxy terminates kwin_wayland due to <tt style="background: #ebebeb; font-size: 13px;">Couldn't find current GLX or EGL context</tt>:</p>
<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">#0 0x00007ffff4ee3260 in errx () from /lib64/libc.so.6
#1 0x00007ffff0c32c8c in ?? () from /usr/lib64/libepoxy.so.0
#2 0x00007ffff0c15d2d in ?? () from /usr/lib64/libepoxy.so.0
#3 0x00007ffff4b9fafa in KWin::ContrastShader::reset (this=this@entry=0x7fffb804c530)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrastshader.cpp:53
#4 0x00007ffff4b9fb43 in KWin::ContrastShader::~ContrastShader (this=0x7fffb804c530, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrastshader.cpp:43
#5 KWin::ContrastShader::~ContrastShader (this=0x7fffb804c530, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrastshader.cpp:44
#6 0x00007ffff4b9c581 in KWin::ContrastEffect::~ContrastEffect (this=0x5555562795a0, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrast.cpp:77
#7 0x00007ffff4b9c619 in KWin::ContrastEffect::~ContrastEffect (this=0x5555562795a0, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrast.cpp:78
#8 0x00007ffff7a7888b in KWin::EffectsHandlerImpl::unloadEffect (this=this@entry=0x555556153120, name=...)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects.cpp:1343
#9 0x00007ffff7a78b77 in KWin::EffectsHandlerImpl::reloadEffect (this=0x555556153120, effect=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects.cpp:1410
#10 0x00007ffff4b9e6af in KWin::ContrastEffect::slotScreenGeometryChanged (this=0x5555562795a0)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects/backgroundcontrast/contrast.cpp:84
#11 0x00007ffff5a0feea in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#12 0x00007ffff74d4635 in KWin::EffectsHandler::screenGeometryChanged (this=<optimized out>, _t1=...)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/build/libkwineffects/kwineffects_autogen/EWIEGA46WW/moc_kwineffects.cpp:1555
#13 0x00007ffff7a71d2d in KWin::EffectsHandlerImpl::desktopResized (this=<optimized out>, size=...)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/effects.cpp:785
#14 0x00007ffff7a460c9 in KWin::Workspace::desktopResized (this=0x5555558f2ff0) at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/geometry.cpp:87
#15 0x00007ffff5a0feea in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#16 0x00007fffdccc805c in KWin::DrmBackend::configurationChangeRequested (this=0x5555557c4dd0, config=0x555556181030)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_backend.cpp:534
#17 0x00007ffff5a0ffec in QMetaObject::activate(QObject*, int, int, void**) () from /usr/lib64/libQt5Core.so.5
#18 0x00007ffff6e11a9f in KWayland::Server::OutputManagementInterface::configurationChangeRequested(KWayland::Server::OutputConfigurationInterface*) ()
from /usr/lib64/libKF5WaylandServer.so.5
#19 0x00007fffe73cf6bd in ?? () from /usr/lib64/libffi.so.7
#20 0x00007fffe73cebcf in ?? () from /usr/lib64/libffi.so.7
#21 0x00007fffede090ab in ?? () from /usr/lib64/libwayland-server.so.0
#22 0x00007fffede058ef in ?? () from /usr/lib64/libwayland-server.so.0
#23 0x00007fffede07282 in wl_event_loop_dispatch () from /usr/lib64/libwayland-server.so.0
#24 0x00007ffff6dd652e in KWayland::Server::Display::Private::dispatch() () from /usr/lib64/libKF5WaylandServer.so.5</pre></div>
<p>and kwin_wayland doesn't handle the call to exit well as it crashes during global object destruction:</p>
<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">#0 0x00007fffd67abcf0 in ?? ()
#1 0x00007fffdccdf29b in KWin::DrmSurfaceBuffer::releaseGbm (this=0x5555560c2280)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_buffer_gbm.cpp:64
#2 KWin::DrmSurfaceBuffer::~DrmSurfaceBuffer (this=0x5555560c2280, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_buffer_gbm.cpp:59
#3 0x00007fffdccdf379 in KWin::DrmSurfaceBuffer::~DrmSurfaceBuffer (this=0x5555560c2280, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_buffer_gbm.cpp:60
#4 0x00007fffdccd160b in KWin::DrmOutput::~DrmOutput (this=0x555555899eb0, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_output.cpp:75
#5 0x00007fffdccd1679 in KWin::DrmOutput::~DrmOutput (this=0x555555899eb0, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_output.cpp:87
#6 0x00007fffdccc704f in qDeleteAll<KWin::DrmOutput* const*> (end=<optimized out>, begin=0x5555558bb388) at /usr/include/qt5/QtCore/qalgorithms.h:320
#7 qDeleteAll<QVector<KWin::DrmOutput*> > (c=...) at /usr/include/qt5/QtCore/qalgorithms.h:328
#8 KWin::DrmBackend::~DrmBackend (this=0x5555557c4f00, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_backend.cpp:91
#9 0x00007fffdccc7319 in KWin::DrmBackend::~DrmBackend (this=0x5555557c4f00, __in_chrg=<optimized out>)
at /usr/src/debug/kwin-5.11.90git.20171111T192901~320602ae1/plugins/platforms/drm/drm_backend.cpp:97</pre></div></div></div><br /><div><strong>REPOSITORY</strong><div><div>R108 KWin</div></div></div><br /><div><strong>BRANCH</strong><div><div>drm-property-safety</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D8752" rel="noreferrer">https://phabricator.kde.org/D8752</a></div></div><br /><div><strong>To: </strong>graesslin, KWin, Plasma, fvogt, subdiff<br /><strong>Cc: </strong>plasma-devel, kwin, bwowk, ZrenBot, progwolff, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart<br /></div>