Kevin Winchester wrote:
> Hi Thomas, Ingo,
>
> I noticed that my direct rendering is no longer working, with the
> following in my dmesg:
>
> [ 0.588184] agpgart: Detected AGP bridge 0
> [ 0.588184] agpgart: unable to get memory for graphics translation table.
> [ 0.588184] agpgart: agp_backend_initialize() failed.
> [ 0.588207] agpgart-amd64: probe of 0000:00:00.0 failed with error -12
>
> Tracking down the error somewhat with added printks leads to the
> following block in __ioremap():
>
>
> /*
> * Don't allow anybody to remap normal RAM that we're using..
> */
> for (offset = phys_addr >> PAGE_SHIFT; offset < max_pfn_mapped &&
> (offset << PAGE_SHIFT) < last_addr; offset++) {
> if (page_is_ram(offset))
> return NULL;
> }
>
>
> And git blame lead me to the following commit:
>
> commit 266b9f8727976769e2ed2dad77ac9295f37e321e
> Author: Thomas Gleixner <[EMAIL PROTECTED]>
> Date: Wed Jan 30 13:34:06 2008 +0100
>
> x86: fix ioremap RAM check
>
> Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
> Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
>
>
Lucky first try - reverting this commit fixes the problem for me. Any
ideas?
--
Kevin Winchester
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