HD4550 DRI issues

Richard Kolkovich sarumont at sigil.org
Sat Sep 26 23:52:08 UTC 2009

On Sat, Sep 26, 2009 at 05:20:56PM -0500, Robert Noland wrote:
> On Sat, 2009-09-26 at 14:48 -0500, Richard Kolkovich wrote:
> > Here's my output:
> > 
> > +% sudo ./drm-test 
> > Allocated 32MB with handle=0x00000000dc595000
> > Added 1024KB map for ring buffer with handle=0x00000000dc595000
> > ring=0x00000028300000, contents=0x000000003c66c369
> > 
> > I guess those are the expected results of the test given what we've seen previously...
> > 
> > I'm running on an Intel x58 board, i7 processor.  This is on the UP i386 -CURRENT kernel I built.
> Could you make sure that you have all IOMMU, VTD and virtualization
> stuff disabled in your BIOS?

Flashing the BIOS didn't help.  The only thing I noticed that changed settings-wise was the Maximum
PCIe TLP payload.  It used to be locked at 128b and now it is 4096b (and I can change it, I think).
But again, that didn't affect the outcome - same old, same old.


Richard Kolkovich
sarumont at sigil.org
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