linux-kernel - [BUG] Linux-2.6.33 to 33-git9 intel_drm: drm_fb

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Date:	Thu, 04 Mar 2010 16:34:09 +0200
From:	Tarkan Erimer <tarkan@...knetserver.com>
To:	linux-kernel@...r.kernel.org
Subject: [BUG] Linux-2.6.33 to 33-git9 intel_drm: drm_fb_helper panic

When I booted into 2.6.33, hard lock up occurs via the following error
message at boot time :

[drm:drm_fb_helper_panic] *ERROR* panic occured,  switching back to text
console
BUG: scheduling while atomic: init/1/0x00000002

This is a KMS enabled kernel on i945 VGA. Also, I tried (I found after
googling a bit.)  with "i915.modeset=0 enable_mtrr_cleanup" and
"enable_mtrr_cleanup" kernel boot options. But, still the same error
occurs.

This bug occurs on kernels from 2.6.33 to 2.6.33-git9. 2.6.33-rc8 works
fine. My .config attached.

Tarkan

View attachment "config-2.6.33-git9" of type "text/plain" (73146 bytes)