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From: "Darrick J. Wong" <djwong@us.ibm.com>
To: Mark Rustad <mrustad@gmail.com>
Cc: linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: aic79xx noise on hot insert in 2.6.19.x and 2.6.20
Date: Wed, 07 Feb 2007 01:03:12 -0800	[thread overview]
Message-ID: <45C995D0.70108@us.ibm.com> (raw)
In-Reply-To: <C33207EA-8376-4A2F-828C-23B00327C42D@gmail.com>

Mark Rustad wrote:
> I have systems with Supermicro X6-class (Nocona/Lindenhurst)
> motherboards with Adaptec SCSI and SAFTE backplanes running software
> RAID-1 (md) on a pair of drives. When I hot-insert a drive, I get a lot
> of noise from the kernel apparently due to lack of handling something in
> the interrupt routine. So far, life seems to go on after the event, but
> not knowing anything about the internals of the driver, I am concerned
> enough to want to ask about it.

I see the noise too, though I don't know enough about aic79xx (and am
too busy with aic94xx) to do anything about it.  As far as I can tell,
the driver's just being a little trigger happy with the "DUMP CARD
STATE" routine.  But that's my totally unqualified opinion. :)

--D

  reply	other threads:[~2007-02-07  9:04 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-05 23:17 aic79xx noise on hot insert in 2.6.19.x and 2.6.20 Mark Rustad
2007-02-07  9:03 ` Darrick J. Wong [this message]
2007-02-07 10:10   ` Hannes Reinecke
2007-02-07 19:07     ` Mark Rustad

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