Your issue seems to be caused by something going wrong with the Direct Rendering Manager. From your Xorg.0.log:
drmOpenDevice: node name is /dev/dri/card0 [drm] failed to load kernel module "i915" (EE) intel(0): [drm] Failed to open DRM device for : No such file or directory (EE) intel(0): Failed to become DRM master. and later: (WW) intel(0): DRI2: failed to open drm device and later still: (WW) intel(0): drmSetMaster failed: Bad file descriptor and later still: (II) intel(0): direct rendering: Failed (WW) intel(0): Option "NoAccel" is not used and still later: (II) AIGLX: Screen 0 is not DRI2 capable (II) AIGLX: Screen 0 is not DRI capable (II) AIGLX: Loaded and initialized /usr/lib/dri/swrast_dri.so (II) GLX: Initialized DRISWRAST GL provider for screen 0 Your system has most likely fallen-back to software rendering. Does anybody know what caused the loading of the i915 kernel module to fail? -- [I915GM] slow desktop refresh poor graphics performance https://bugs.launchpad.net/bugs/514210 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
