Re: [PATCH] AHCI PCI ID for MacBook Pro

[Tejun Heo <htejun@gmail.com>]

Soeren Sonnenburg wrote:
> well I am doing both benchmarks on a macbookpro1,1 -> 32bit mode (matteo
> does it on a macbook pro2, sth so he has a c2d and does it in 64bit ->
> amd64 mode).
> 
> So the io scheduler is the same or do you mean inside of ahci/piix ?

I meant the iosched (cfq/as/deadline...).

>>> However what may make it worth is that I don't see any errors on
>>> suspend/resume anymore...
>> Hmm... So, ata_piix fails to suspend/resume properly on your machine? 
>> It should work.  Can you describe how it fails?
> 
> Well I keep seeing this:
> 
> ata3.01: revalidation failed (errno=-2)
> ata3: failed to recover some devices, retrying in 5 secs
> ATA: abnormal status 0x7F on port 0x40DF
> ATA: abnormal status 0x7F on port 0x40DF
> ata3.01: configured for UDMA/133
> 
> but I am still on 2.6.20-rc6 ... so sorry if this is now fixed in .20.

Yeap, please give a shot at 2.6.20.  Maybe the TF clearing for IDENTIFY 
fixed the problem.

Thanks.

-- 
tejun