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From: David R <>
To: Robert Hancock <>
Subject: Re: sata_nv - ADMA issues with 2.6.20
Date: Sat, 10 Feb 2007 09:34:46 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Robert Hancock wrote:

> So it was tag 0 that timed out , and according to the CPBs the
> controller indeed believes the command is still outstanding, i.e. we
> didn't lose an interrupt. I'm suspicious of the fact that only one of
> two identical drives produced this error.. some kind of hardware-related
> problem perhaps? 30 seconds is an awfully long time for a drive to take

That was my first thought. Maybe the drive has some fault that only shows up
with NCQ in use. I'll keep an eye on it.

> You can also try disabling NCQ without disabling ADMA and see what that
> does:
> echo 1 > /sys/block/sdX/device/queue_depth

I'll give this a go when I next reboot.


  reply	other threads:[~2007-02-10  9:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <fa.uoZWqSFxPjjB7zobQOwk/>
2007-02-10  1:33 ` Robert Hancock
2007-02-10  9:34   ` David R [this message]
2007-02-11 19:55   ` Neil Schemenauer
2007-02-11 22:23     ` Björn Steinbrink
     [not found] <>
     [not found] ` <fa.k0ZDYzgHEXJHC2/UddL2J4jq/>
     [not found]   ` <fa.W/>
     [not found]     ` <>
2007-02-11 23:04       ` Robert Hancock
2007-02-09 21:11 David R

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