Re: amd64 agpgart aperture base value

2006-12-18 Thread Eric W. Biederman
Dave Jones <[EMAIL PROTECTED]> writes: > On Thu, Dec 14, 2006 at 06:35:30PM -0500, Daniel Drake wrote: > > > So, you think that the aperture moving to a different location on every > > boot is what the BIOS desires? Is it normal for it to move so much? > > Beats me. I gave up trying to understa

Re: amd64 agpgart aperture base value

2006-12-14 Thread Dave Jones
On Thu, Dec 14, 2006 at 06:35:30PM -0500, Daniel Drake wrote: > So, you think that the aperture moving to a different location on every > boot is what the BIOS desires? Is it normal for it to move so much? Beats me. I gave up trying to understand BIOS authors motivations years ago. > The cur

Re: amd64 agpgart aperture base value

2006-12-14 Thread Daniel Drake
Dave Jones wrote: On Wed, Dec 13, 2006 at 10:47:32PM -0500, Daniel Drake wrote: > In amd64-agp.c, would it be dangerous to remove the "aperture base > 4G" > thing and instead simply only read the rightmost 7 bits to ensure the > aperture base is always in range? (This is coming from someone

Re: amd64 agpgart aperture base value

2006-12-14 Thread Dave Jones
On Wed, Dec 13, 2006 at 10:47:32PM -0500, Daniel Drake wrote: > In amd64-agp.c, would it be dangerous to remove the "aperture base > 4G" > thing and instead simply only read the rightmost 7 bits to ensure the > aperture base is always in range? (This is coming from someone with > little AGP

amd64 agpgart aperture base value

2006-12-13 Thread Daniel Drake
Hi Dave, I'm working on a solution for http://bugzilla.kernel.org/show_bug.cgi?id=6350 Certain BIOSes are screwing with the K8 aperture base value. However, these systems work after booting into windows and then rebooting into Linux. It originally appeared to be a bug specific to asrock mot