Poor compositing performance on 965Q chipset with intel 2.2.1 driver
barry.scott at onelan.co.uk
Fri May 9 07:00:55 PDT 2008
Bill Crawford wrote:
> 2008/5/9 Barry Scott <barry.scott at onelan.co.uk>:
>> # cat /proc/mtrr
>> reg00: base=0x00000000 ( 0MB), size= 256MB: write-back, count=1
>> reg01: base=0x10000000 ( 256MB), size= 128MB: write-back, count=1
>> reg02: base=0x18000000 ( 384MB), size= 64MB: write-back, count=1
>> reg03: base=0x1c000000 ( 448MB), size= 32MB: write-back, count=1
>> reg04: base=0x1e000000 ( 480MB), size= 16MB: write-back, count=1
>> reg05: base=0x1f000000 ( 496MB), size= 8MB: write-back, count=1
>> reg06: base=0xe0000000 (3584MB), size= 256MB: write-combining, count=1
>> Another suggestions we can check out?
> That looks suspiciously like the "fan controller" related BIOS bug
> that turned up not long ago. Can't remember if it made it into
> bugzilla, but it was fixed by a bios upgrade ...
> Suggest looking in BIOS options for something to do with a fan and
> turning it off.
Are you saying this because of the MTRR use? I have another 965Q box that
has only 3 entries in MTRR and has the same problem.
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