From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: akpm@linux-foundation.org
Cc: linux-scsi@vger.kernel.org, djwong@us.ibm.com, "Moore,
Eric" <Eric.Moore@lsi.com>
Subject: Re: [patch 03/13] mptbase: reset ioc initiator during PCI resume
Date: Thu, 07 Feb 2008 18:41:25 -0600 [thread overview]
Message-ID: <1202431285.3171.46.camel@localhost.localdomain> (raw)
In-Reply-To: <200802050752.m157qsni010694@imap1.linux-foundation.org>
On Mon, 2008-02-04 at 23:53 -0800, akpm@linux-foundation.org wrote:
> From: "Darrick J. Wong" <djwong@us.ibm.com>
>
> It appears that the LSI SAS 1064E chip needs to be reset after a
> suspend/resume cycle before the driver attempts further communications with
> the chip. Without this patch, resuming the chip results in this error
> message being printed repeatedly and no more disk I/O.
>
> mptbase: ioc0: ERROR - Invalid IOC facts reply, msgLength=0 offsetof=6!
>
> So far it seems to fix suspend/resume on all the MPT Fusion cards I have
> (SAS and U320 SCSI) but since I don't know the internals of that chip I
> can't say for sure if this is a proper fix.
>
> Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Ping on this, please Eric.
James
next prev parent reply other threads:[~2008-02-08 0:41 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-05 7:53 [patch 03/13] mptbase: reset ioc initiator during PCI resume akpm
2008-02-08 0:41 ` James Bottomley [this message]
2008-02-08 1:23 ` Darrick J. Wong
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