ubuntu-x-swat team mailing list archive

[madbiologist <s.j.turner@xxxxxxxxx>]

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
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