https://bugs.freedesktop.org/show_bug.cgi?id=29123
Summary: KWin crash when changing desktop effects configuration Product: DRI Version: XOrg CVS Platform: x86-64 (AMD64) OS/Version: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/Radeon AssignedTo: dri-devel@lists.freedesktop.org ReportedBy: realnc@gmail.com
(I've no idea if I filled the bug details correctly. I just guessed.)
I reported this bug in bugs.kde.org, but I've been told it's a bug in X and to report it here.
Application: kwin (4.4.92 (KDE 4.4.92 (KDE 4.5 RC2))) KDE Platform Version: 4.4.92 (KDE 4.4.92 (KDE 4.5 RC2)) (Compiled from sources) Qt Version: 4.7.0 Operating System: Linux 2.6.35-rc5 x86_64 Distribution: "Gentoo Base System release 2.0.1"
Kernel 2.6.35-rc5 xorg-server Git master xf86-video-ati Git master, using DRI2/KMS Mesa Git master libdrm from Git master
-- Information about the crash: In System Settings, when I change some options in the "Advanced" tab of "Desktop Effects" (like changing "VSync" and "direct rendering"), KWin crashes.
The crash can be reproduced every time.
-- Backtrace: Application: KWin (kwin), signal: Segmentation fault [KCrash Handler] #6 DRI2WireToEvent (dpy=<value optimized out>, event=<value optimized out>, wire=<value optimized out>) at dri2.c:105 #7 0x0000003002444f1e in _XEnq (dpy=<value optimized out>, event=<value optimized out>) at XlibInt.c:2431 #8 0x000000300244ca13 in handle_response (dpy=<value optimized out>, response=<value optimized out>, in_XReply=<value optimized out>) at xcb_io.c:279 #9 0x000000300244cfa0 in _XReply (dpy=<value optimized out>, rep=<value optimized out>, extra=<value optimized out>, discard=<value optimized out>) at xcb_io.c:554 #10 0x00000030024409e2 in XSync (dpy=<value optimized out>, discard=<value optimized out>) at Sync.c:46 #11 0x0000003008c5296f in DRI2DestroyDrawable (dpy=<value optimized out>, drawable=<value optimized out>) at dri2.c:350 #12 0x0000003008c51584 in dri2DestroyDrawable (pdraw=<value optimized out>) at dri2_glx.c:174 #13 0x0000003008c4bab3 in DestroyDRIDrawable (dpy=<value optimized out>, drawable=<value optimized out>, destroy_xdrawable=<value optimized out>) at glx_pbuffer.c:225 #14 0x0000003080ac4dc2 in KWin::SceneOpenGL::Texture::release (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/scene_opengl.cpp:1009 #15 0x0000003080ac5151 in KWin::SceneOpenGL::Texture::discard (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/scene_opengl.cpp:999 #16 0x0000003080ac516d in KWin::SceneOpenGL::Window::discardTexture (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/scene_opengl.cpp:1331 #17 0x0000003080ac5283 in ~Window (this=<value optimized out>, __in_chrg=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/scene_opengl.cpp:1304 #18 0x0000003080ac67dc in KWin::SceneOpenGL::windowClosed (this=<value optimized out>, c=<value optimized out>, deleted=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/scene_opengl.cpp:933 #19 0x0000003080ab30d9 in KWin::Workspace::finishCompositing (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/composite.cpp:258 #20 0x0000003080ab6489 in KWin::Workspace::fallbackToXRenderCompositing (this=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/composite.cpp:301 #21 0x0000003080a36768 in KWin::Workspace::qt_metacall (this=<value optimized out>, _c=<value optimized out>, _id=<value optimized out>, _a=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92_build/kwin/workspace.moc:582 #22 0x0000003009f77bbe in QObject::event (this=<value optimized out>, e=<value optimized out>) at kernel/qobject.cpp:1211 #23 0x00000030137b031c in QApplicationPrivate::notify_helper (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4389 #24 0x00000030137b5e8d in QApplication::notify (this=<value optimized out>, receiver=<value optimized out>, e=<value optimized out>) at kernel/qapplication.cpp:4270 #25 0x0000003015639c36 in KApplication::notify (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>) at /var/tmp/portage/kde-base/kdelibs-4.4.92/work/kdelibs-4.4.92/kdeui/kernel/kapplication.cpp:309 #26 0x0000003009f65f3b in QCoreApplication::notifyInternal (this=<value optimized out>, receiver=<value optimized out>, event=<value optimized out>) at kernel/qcoreapplication.cpp:732 #27 0x0000003009f68e41 in QCoreApplication::sendEvent (receiver=<value optimized out>, event_type=<value optimized out>, data=<value optimized out>) at kernel/qcoreapplication.h:215 #28 QCoreApplicationPrivate::sendPostedEvents (receiver=<value optimized out>, event_type=<value optimized out>, data=<value optimized out>) at kernel/qcoreapplication.cpp:1373 #29 0x0000003013861214 in QCoreApplication::sendPostedEvents (this=<value optimized out>, flags=<value optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220 #30 QEventDispatcherX11::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventdispatcher_x11.cpp:75 #31 0x0000003009f64c92 in QEventLoop::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:149 #32 0x0000003009f65074 in QEventLoop::exec (this=<value optimized out>, flags=<value optimized out>) at kernel/qeventloop.cpp:201 #33 0x0000003009f690cb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009 #34 0x0000003080a52d8d in kdemain (argc=<value optimized out>, argv=<value optimized out>) at /var/tmp/portage/kde-base/kwin-4.4.92/work/kwin-4.4.92/kwin/main.cpp:531 #35 0x000000300041ebbd in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=) at libc-start.c:226 #36 0x00000000004006c9 in _start ()