On Tue, Jun 10, 2014 at 04:39:03PM -0500, Stan Gammons wrote:
> On 06/10/2014 12:01 AM, Jonathan Gray wrote:
> >On Mon, Jun 09, 2014 at 04:53:23AM -0500, Stan Gammons wrote:
> >>On 06/09/2014 01:56 AM, Jonathan Gray wrote:
> >>>On Sun, Jun 08, 2014 at 07:01:56AM -0500, Stan Gammons wrote:
> >>>>Is there a known problem with the Radeon driver on OpenBSD 5.5 AMD64
> >>>>stable?   I noticed the text on the console was scrolling very slow
> >>>>while src.tar.gz was extracting.  I didn't time it, but it seem to take
> >>>>2 to 3 times as long to return to the command line compared to
> >>>>extracting the same file on a slower i386 machine.   Syslog output is
> >>>>below.
> >>>Well things are going to be slow when all the acceleration is being
> >>>disabled.  It isn't clear if the problem you're encountering is
> >>>due to something like missing firmware as you didn't include a dmesg.
> >>>
> >>>
> >>It loads or tries to load firmware at boot.
> >>
> >>Here's the dmesg info.
> >So it seems something isn't working right with the GART.
> >Could you try the following diff to force it to a smaller size?
> >
> >Diff against -current but will likely apply to 5.5
> >
> >Index: sys/dev/pci/drm/radeon/rs400.c
> >===================================================================
> >RCS file: /cvs/src/sys/dev/pci/drm/radeon/rs400.c,v
> >retrieving revision 1.4
> >diff -u -p -r1.4 rs400.c
> >--- sys/dev/pci/drm/radeon/rs400.c   9 Feb 2014 12:33:44 -0000       1.4
> >+++ sys/dev/pci/drm/radeon/rs400.c   10 Jun 2014 04:57:21 -0000
> >@@ -54,6 +54,8 @@ void rs400_gart_adjust_size(struct radeo
> >             rdev->mc.gtt_size = 32 * 1024 * 1024;
> >             return;
> >     }
> >+    DRM_ERROR("Forcing to 32M GART size\n");
> >+    rdev->mc.gtt_size = 32 * 1024 * 1024;
> >  }
> >  
> >  void rs400_gart_tlb_flush(struct radeon_device *rdev)
> 
> It didn't seem to like that.

Is there some kind of bios option to change the gart size?

I'd also be interested to hear if pulling one of your
2GB dimms changes anything.

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