On Tue, 2009-10-06 at 11:49 +0200, Daniel Rodríguez wrote:
> [ 0.004000] AGP bridge at 00:00:00
> [ 0.004000] Aperture from AGP @ f0000000 size 4096 MB (APSIZE 0)
> [ 0.004000] Aperture too small (0 MB)
> [ 0.004000] Your BIOS doesn't leave a aperture memory hole
> [ 0.004000] Please enable the IOMMU option in the BIOS setup
> [ 0.004000] This costs you 64 MB of RAM
The workaround for this bug (actually in the hardware, not the BIOS)
applied in 2.6.27 is:
commit 1edc1ab3f68168ec6815e6d630f38948a6da005a
Author: Yinghai Lu <yhlu.kernel.send@gmail.com>
Date: Sun Apr 13 01:11:41 2008 -0700
x86: agp_gart size checking for buggy device
I'm not sure whether this is sufficiently low-risk for a stable update.
Ben.
--
Ben Hutchings
To err is human; to really foul things up requires a computer.
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