Hi, Jesse,

When compiled drm module against kernel 2.6.21, it complaint that :

WARNING: "__you_cannot_kmalloc_that_much"
[/GFX/build/component/Drm/drm/linux-core/i915.ko] undefined!

And when started up XOrg, it reported below error and DRI was disabled:

FATAL: Error inserting i915
(/lib/modules/2.6.21/kernel/drivers/char/drm/i915.ko): Unknown symbol in
module, or unknown parameter (see dmesg)
(EE) [drm] drmOpen failed.
(EE) intel(0): [dri] DRIScreenInit failed. Disabling DRI.

Dmesg messages: i915: Unknown symbol __you_cannot_kmalloc_that_much

If reverted this commit, above error disappeared:

commit 1e2a2bababf3fbaa0a665983856761c2284dba30
Author: Jesse Barnes <[EMAIL PROTECTED]>
Date:   Fri Oct 26 16:10:02 2007 -0700

    i915:  suspend/resume support


As I know, slab was replaced by slub in current kernel tip. So there is
a compatibility issue with old kernel.
Please take a look.

Best Regards,
Nian Wu

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