Re: [PATCH] libata: add Samsung HD401LJ to the NCQ blacklist

[Robert Hancock]

Max Kellermann wrote:
> Yet another hard drive which doesn't seem to get NCQ right.
>
>  ata1: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl
>  0x1501000 status 0x400 next cpb count 0xB next cpb idx 0x0
>  [...]
>  ata1: timeout waiting for ADMA IDLE, stat=0x400
>  ata1: timeout waiting for ADMA LEGACY, stat=0x400
>  ata1.00: exception Emask 0x0 SAct 0x3fff SErr 0x200000 action 0x2
>  frozen
>  [...]
>  ata1: soft resetting port

Don't know if I noticed this before, but the controller seems to be 
reporting an SError, looks like a link layer CRC error. This could be a 
potential symptom of the drive and controller just not getting along, 
but you might want to try a different SATA cable as well.

--
Robert Hancock      Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@xxxxxxxxxxxxx
Home Page: http://www.roberthancock.com/

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