[Xen-users] Desktop Environment/GUI Cannot Start After I Have Installed Xen 4.1.3-rc1-pre and Linux Kernel 3.3.0-rc7

["Teo En Ming (Zhang Enming)" <singapore.mr.teo.en.ming@xxxxxxxxx>]

Dear All,

I have just compiled and installed Xen 4.1.3-rc1-pre and the latest 
Linux kernel 3.3.0-rc7 in Ubuntu 11.10 Final Release. I am able to login 
to my Desktop Environment/GUI when Linux 3.3.0-rc7 is *enabled* and Xen 
4.1.3-rc1-pre is *disabled*. However, when Linux 3.3.0-rc7 and Xen 
4.1.3-rc1-pre are both enabled, I am unable to start the default desktop 
environment/GUI. The menu bar and status bar in Unity won't show up. 
Although I cannot login via the GUI, I can still login through the text 
console/terminal. I am able to see that Xen is running properly by 
executing the command "sudo xm list". "xm list" shows that Domain 0 is 
running properly. It's just that the Desktop/GUI won't start up.
The errors which I think are the most important are reproduced below:

[   15.837793] [drm] Initialized drm 1.1.0 20060810
[   16.494498] [drm] MTRR allocation failed.  Graphics performance may 
suffer.
[   16.495791] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[   16.495794] [drm] Driver supports precise vblank timestamp query.
[   16.703559] fbcon: inteldrmfb (fb0) is primary device
[   16.853416] fb0: inteldrmfb frame buffer device
[   16.853419] drm: registered panic notifier
[   16.853720] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on 
minor 0
[   31.756069] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
[   31.756075] [drm] capturing error event; look for more information in 
/debug/dri/0/i915_error_state
[   31.763086] [drm:i915_wait_request] *ERROR* i915_wait_request returns 
-11 (awaiting 2 at 0, next 3)
[   16.286504] i915 0000:00:02.0: setting latency timer to 64
[   16.853720] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on 
minor 0
[   31.756069] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
[   31.756075] [drm] capturing error event; look for more information in 
/debug/dri/0/i915_error_state
[   31.763086] [drm:i915_wait_request] *ERROR* i915_wait_request returns 
-11 (awaiting 2 at 0, next 3)
http://ubuntuforums.org/showthread.php?t=1940792

http://ubuntuforums.org/showthread.php?t=1940796

I have attached the relevant configuration files and error logs.

Thank you very much.

Yours sincerely,

Teo En Ming (Zhang Enming)

Attachment: 40_custom
Description: Text document

Attachment: config-3.3.0-rc7-xen-teo.en.ming-sgp
Description: Text document

Attachment: etc-default-grub
Description: Text document

Attachment: etc-modules
Description: Text document

Attachment: ld.so.conf
Description: Text document

Attachment: dmesg-14032012-2305hrs.txt
Description: Text document

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