Felix points out this is being caused by compiz crashing. So it appears not to be an X or fglrx bug but rather something in nux:
Backtrace: #0 0x0000000000000000 in ?? () #1 0x00007fffeb58fcf0 in nux::IOpenGLSurface::UnlockRect() () from /usr/lib/libnux-graphics-0.9.so.0 #2 0x00007fffeb58798a in nux::IOpenGLTexture2D::UnlockRect(int) () from /usr/lib/libnux-graphics-0.9.so.0 #3 0x00007fffeb55a545 in nux::CachedTexture2D::LoadMipLevel(nux::BaseTexture*, int) () from /usr/lib/libnux-graphics-0.9.so.0 #4 0x00007fffeb55ae2d in nux::CachedTexture2D::CachedTexture2D(nux::NResourceSet*, nux::Texture2D*) () from /usr/lib/libnux-graphics-0.9.so.0 #5 0x00007fffeb557b54 in nux::TGLResourceFactory<nux::Texture2D, nux::CachedTexture2D>::BuildResource(nux::NResourceSet*, nux::ResourceData*) () from /usr/lib/libnux-graphics-0.9.so.0 #6 0x00007fffeb55736c in nux::NResourceCache::GetCachedResource(nux::ResourceData*) () from /usr/lib/libnux-graphics-0.9.so.0 #7 0x00007fffeb54c8cd in nux::GraphicsEngine::CacheResource(nux::ResourceData*) () from /usr/lib/libnux-graphics-0.9.so.0 #8 0x00007fffeb55a09f in nux::BaseTexture::GetDeviceTexture() () from /usr/lib/libnux-graphics-0.9.so.0 #9 0x00007fffebbbdfa1 in PanelHomeButton::Refresh() () from /usr/lib/compiz/libunityshell.so #10 0x00007fffebbbe371 in PanelHomeButton::PanelHomeButton() () from /usr/lib/compiz/libunityshell.so #11 0x00007fffebbc4b96 in PanelView::PanelView(char const*, int) () from /usr/lib/compiz/libunityshell.so #12 0x00007fffebbde85c in UnityScreen::initLauncher(nux::NThread*, void*) () from /usr/lib/compiz/libunityshell.so #13 0x00007fffebbdeabd in UnityScreen::initUnity(nux::NThread*, void*) () from /usr/lib/compiz/libunityshell.so #14 0x00007fffeb919282 in nux::WindowThread::Run(void*) () from /usr/lib/libnux-0.9.so.0 #15 0x00007fffebbdf57a in UnityScreen::UnityScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so #16 0x00007fffebbe1c49 in CompPlugin::VTableForScreenAndWindow<UnityScreen, UnityWindow>::initScreen(CompScreen*) () from /usr/lib/compiz/libunityshell.so #17 0x00000000004501fa in CompManager::initPlugin(CompPlugin*) () #18 0x00000000004512fe in CompPlugin::push(CompPlugin*) () #19 0x000000000042d588 in PrivateScreen::updatePlugins() () #20 0x000000000042d898 in PrivateScreen::processEvents() () #21 0x000000000042d8f8 in CompEventSource::callback() () #22 0x00007ffff6e4440f in Glib::Source::dispatch_vfunc(_GSource*, int (*)(void*), void*) () from /usr/lib/libglibmm-2.4.so.1 #23 0x00007ffff6956c4d in g_main_context_dispatch () from /lib/libglib-2.0.so.0 #24 0x00007ffff6957438 in ?? () from /lib/libglib-2.0.so.0 #25 0x00007ffff69576c9 in g_main_context_iteration () from /lib/libglib-2.0.so.0 #26 0x00007ffff6e452e3 in Glib::MainContext::iteration(bool) () from /usr/lib/libglibmm-2.4.so.1 #27 0x000000000042932a in CompScreen::eventLoop() () #28 0x00000000004222e0 in main () -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/685682 Title: Unity doesn't work with proprietary ATI drivers, but works with free drivers -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
