HD4550 DRI issues

Robert Noland rnoland at FreeBSD.org
Thu Sep 24 17:16:53 UTC 2009

On Thu, 2009-09-24 at 09:54 -0500, Richard Kolkovich wrote:
> (II) RADEON(0): [pci] 32768 kB allocated with handle 0xdc85e000
> (II) RADEON(0): [pci] ring handle = 0xdc85e000
> (II) RADEON(0): [pci] Ring mapped at 0x28a2c000
> (II) RADEON(0): [pci] Ring contents 0x4cf0c1f7
> (II) RADEON(0): [pci] ring read ptr handle = 0xdc95f000
> (II) RADEON(0): [pci] Ring read ptr mapped at 0x286fb000
> (II) RADEON(0): [pci] Ring read ptr contents 0x1fa2f22c
> (II) RADEON(0): [pci] vertex/indirect buffers handle = 0xdc960000
> (II) RADEON(0): [pci] Vertex/indirect buffers mapped at 0x38c00000
> (II) RADEON(0): [pci] Vertex/indirect buffers contents 0x79940699
> (II) RADEON(0): [pci] GART texture map handle = 0xdcb60000
> (II) RADEON(0): [pci] GART Texture map mapped at 0x38f60000

Ok, I think this is where the problem is...  All of the "contents"
registers should be 0 at start up.  I've seen this before, but never
been able to reproduce it locally.  Could you try the attached patch and
see if it makes a difference?


Robert Noland <rnoland at FreeBSD.org>
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