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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Andy Whitcroft <apw@canonical.com>,
	Adaptec OEM Raid Solutions <aacraid@adaptec.com>,
	Mathias Urlichs <matthias@urlichs.de>,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] Reduce AACRAID hardware queue size
Date: Tue, 23 Jun 2009 16:43:03 +0100	[thread overview]
Message-ID: <20090623164303.3f85a799@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <1245771089.4149.88.camel@mulgrave.site>

> Incidentally, SGBCOUNT isn't queue depth, its maximum number of sectors
> in an individual transfer.  What we'd need to show for this to be the
> fix is that every 32 bit aacraid card is affected, which, given the
> paucity of bug reports, I don't think so.

Its usually a specific firmware revision that weird problems with aacraid
hardware are linked to so it is worth trying different firmwares.

Alan

  reply	other threads:[~2009-06-23 15:42 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-23 11:25 [PATCH 0/1] BZ#11120: AACRAID driver stalls under high load Andy Whitcroft
2009-06-23 11:25 ` [PATCH 1/1] Reduce AACRAID hardware queue size Andy Whitcroft
2009-06-23 11:50   ` Matthias Urlichs
2009-06-23 14:11     ` Andy Whitcroft
2009-06-23 15:31   ` James Bottomley
2009-06-23 15:43     ` Alan Cox [this message]
2009-06-23 16:04     ` Matthias Urlichs
2009-07-01 15:58       ` Andy Whitcroft
2009-07-01 16:28         ` Matthias Urlichs

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