Re: Problem with ahci and a external sata disk

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El Jueves, 6 de Marzo de 2008, Tejun Heo escribió:
> Jose Alberto Reguero wrote:
> > When I try to make a ext3 fs in the disk I got a lot of erros:
>
> Can you please try 2.6.25-rc4 and see whether it behaves any
> differently.  The initial errors should be about the same but EH should
> slow the PHY to 1.5Gbps quickly and that seems to solve many PHY related
> problems on eSATA connectors.
>
> Thanks.

I try with kernel 2.6.25-rc4 but when the limiting speed to 1.5g the device 
can't recover.
I try whith the option:
options libata force=4:1.5g
and works, but the speed is limited until:
ata4.00: limiting speed to UDMA/33:PIO4
and still have some errors.

Do you know what Transfer mode   I must try in  libata force to not have 
erros?

Thanks.

Jose Alberto

hdparm -I

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