This bug no longer exists. Probably fixed in upstream... Tested on actual Kubuntu 12.10
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/725175 Title: kwin_opengl_test crashed with SIGSEGV in intel_draw_buffer() Status in “xserver-xorg-video-intel” package in Ubuntu: Fix Released Bug description: Binary package hint: kdebase-workspace shown when computer going for poweroff. Low priority, no damage on file system... ProblemType: Crash DistroRelease: Ubuntu 11.04 Package: kde-window-manager 4:4.6.0a-0ubuntu2 ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6 Uname: Linux 2.6.38-5-generic x86_64 Architecture: amd64 Date: Fri Feb 25 19:50:18 2011 ExecutablePath: /usr/lib/kde4/libexec/kwin_opengl_test InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007) ProcCmdline: /usr/lib/kde4/libexec/kwin_opengl_test ProcEnviron: LANG=cs_CZ.UTF-8 SHELL=/bin/bash LANGUAGE= SegvAnalysis: Segfault happened at: 0x7fe623731f38: mov 0x38(%rbp),%ecx PC (0x7fe623731f38) ok source "0x38(%rbp)" (0x00000038) not located in a known VMA region (needed readable region)! destination "%ecx" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: kdebase-workspace StacktraceTop: ?? () from /usr/lib/dri/i915_dri.so intel_draw_buffer () from /usr/lib/dri/i915_dri.so intelMakeCurrent () from /usr/lib/dri/i915_dri.so ?? () from /usr/lib/dri/i915_dri.so ?? () from /usr/lib/mesa/libGL.so.1 Title: kwin_opengl_test crashed with SIGSEGV in intel_draw_buffer() UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare XsessionErrors: (knotify4:1470): GStreamer-CRITICAL **: gst_debug_add_log_function: assertion `func != NULL' failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/725175/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp