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Date:	Fri, 2 Mar 2007 01:20:52 +0000
From:	Alistair John Strachan <>
To:	Robert Hancock <>
Cc:	Jeff Garzik <>,
Subject: Re: CK804 SATA Errors (still got them)

On Thursday 01 March 2007 15:13, Alistair John Strachan wrote:
> On Thursday 01 March 2007 14:45, Robert Hancock wrote:
> > This one seems a bit different. This time it's not related to NCQ vs.
> > non-NCQ (this is a non-NCQ write here), it's in ADMA mode (so it's
> > presumably not related to switching between ADMA and register mode,
> > unless perhaps a flush cache or something executed just before), and
> > from the CPB data it appears the command completed but the controller's
> > registers aren't indicating that it has. Not sure if I've seen one like
> > that before..
> >
> > How easily can you reproduce this?
> It's the first one since -rc2, so apparently not easily. I'm more than
> willing to find loads that expose it, though, so I might try that this
> afternoon.

Got another:

ata2: EH in ADMA mode, notifier 0x0 notifier_error 0x0 gen_ctl 0x1501000 status 0x500 next cpb count 0x0 next cpb idx 0x0
ata2: CPB 0: ctl_flags 0xd, resp_flags 0x1
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd c8/00:80:85:c4:ed/00:00:00:00:00/e3 tag 0 cdb 0x0 data 65536 in
         res 40/00:00:01:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: soft resetting port
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: configured for UDMA/133
ata2: EH complete
SCSI device sdb: 488397168 512-byte hdwr sectors (250059 MB)
sdb: Write Protect is off
sdb: Mode Sense: 00 3a 00 00
SCSI device sdb: write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Different HD, similar problem.


Final year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.
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