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

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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
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Home Page: http://www.roberthancock.com/

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