From: Robert Trace <maillist@farcaster.org>
To: Matthias Prager <linux@matthiasprager.de>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
Tejun Heo <tj@kernel.org>,
linux-scsi@vger.kernel.org, Jens Axboe <jaxboe@fusionio.com>,
Eric Moore <Eric.Moore@lsi.com>, Alan <alan@lxorguk.ukuu.org.uk>,
"Darrick J. Wong" <djwong@us.ibm.com>,
linux-ide@vger.kernel.org
Subject: Re: 'Device not ready' issue on mpt2sas since 3.1.10
Date: Thu, 26 Jul 2012 15:16:43 -0400 [thread overview]
Message-ID: <5011979B.9020507@farcaster.org> (raw)
In-Reply-To: <501087C1.2020209@matthiasprager.de>
On 07/25/2012 07:56 PM, Matthias Prager wrote:
>
> I don't yet understand all the code but I'm following your discussion
> with Tejun: I've set up a minimal vm running gentoo with a mpt2sas
> driven controller in passthrough mode. I've applied your proposed patch
> against the vanilla 3.5.0 kernel (which includes Tejun's commit), and
> I'm happy to report the problem does seem to get fixed by it.
I can confirm this on my hardware as well with both 3.4.4 and 3.5.0.
Without James' patch the kernels will immediately drop the I/O and with
the patch both kernels will wake the SATA disks and then complete the
I/O successfully.
-- Robert
next prev parent reply other threads:[~2012-07-26 19:16 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-22 11:19 'Device not ready' issue on mpt2sas since 3.1.10 Matthias Prager
2012-07-09 14:40 ` Matthias Prager
2012-07-09 19:37 ` Robert Trace
2012-07-09 20:45 ` Darrick J. Wong
2012-07-09 22:24 ` Robert Trace
2012-07-10 0:21 ` Matthias Prager
2012-07-10 1:56 ` Robert Trace
2012-07-10 16:54 ` Darrick J. Wong
2012-07-10 0:12 ` Matthias Prager
2012-07-10 1:51 ` Robert Trace
2012-07-10 23:27 ` Robert Trace
2012-07-11 12:19 ` Matthias Prager
2012-07-11 13:48 ` Matthias Prager
2012-07-17 18:09 ` Tejun Heo
2012-07-17 19:39 ` Matthias Prager
2012-07-17 20:01 ` Tejun Heo
2012-07-21 12:15 ` Matthias Prager
2012-07-22 17:31 ` Tejun Heo
2012-07-22 23:14 ` Matthias Prager
2012-07-23 15:26 ` Tejun Heo
2012-07-24 22:04 ` Matthias Prager
2012-07-25 10:26 ` Reddy, Sreekanth
2012-07-25 14:19 ` James Bottomley
2012-07-25 17:17 ` Tejun Heo
2012-07-25 19:55 ` James Bottomley
2012-07-25 23:56 ` Matthias Prager
2012-07-26 19:16 ` Robert Trace [this message]
2012-08-16 18:26 ` Robert Trace
2012-08-16 20:24 ` Matthias Prager
2012-08-16 20:33 ` Robert Trace
2012-07-25 22:35 ` tomm
2012-07-26 19:20 ` Robert Trace
2012-07-09 22:08 ` NeilBrown
2012-07-10 0:03 ` Matthias Prager
2015-11-27 10:28 Felix Matouschek
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