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From: Bernd Schubert <bernd.schubert@fastmail.fm>
To: Ron Eisler <Ron.Eisler@ca.weatherford.com>
Cc: linux-scsi@vger.kernel.org
Subject: Re: [ PATCH 0/3 ] mpt fusion enhancements
Date: Fri, 22 Jun 2012 11:30:43 +0200	[thread overview]
Message-ID: <4FE43B43.6030405@fastmail.fm> (raw)
In-Reply-To: <loom.20120621T230838-721@post.gmane.org>

Hello Ron,

On 06/21/2012 11:20 PM, Ron Eisler wrote:
> Bernd Schubert <bs <at> q-leap.de> writes:
>
>>
>> Here are 3 patches for the mpt fusion driver.
>>
>
> Hello Bernd,
>
> I am looking mpt fusion backport fixes for the LSI 53C1030 that will run with
> Linux kernel 2.6.27.62. Current version is 3.04.07. Our problem is that running
> on VMWare VSphere, with the SAN heavily loaded, we get SCSI timeouts.
>
> Ex. mptscsih: ioc0: attempting task abort! (sc-ffff...)
>      sd 0:0:0:0: [sda] CDB: Read (10): 28 00 ...
>      mptscsih: ioc0: task abort: Success (sc=ffff...)
>
> The system hangs for 30 seconds on each one.
>
> I see comments/patches here: http://comments.gmane.org/gmane.linux.scsi/48215
>
> Do you have source that would work for 2.6.27.62?
>

is there a chance you could use the the mpt-4.x driver? The other simple 
way would be to use the driver from the SLES10 kernel (SLES10 without 
any service pack, so 2.6.27).
I think you could simply replace the drivers/message/funsion directory.

I definitely cannot recommend to use a more recent kernel, as I know 
from Q-Leap that recent kernels run into DV (domain validation) races, 
which they 'solved' by introducing simple sleeps into the code.
I'm still in contact with Q-Leap, but decided to take another job some 
time ago....


Cheers,
Bernd

      reply	other threads:[~2012-06-22  9:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-06 13:08 [ PATCH 0/3 ] mpt fusion enhancements Bernd Schubert
2009-02-06 13:18 ` [ PATCH 1/3 ] rename diagPending to ioc_reset_in_progress Bernd Schubert
2009-02-06 13:20 ` [ PATCH 2/3 v4 ] introduce soft reset handler Bernd Schubert
2009-02-06 13:23 ` [ PATCH 3/3 ] tests in mpt_config() Bernd Schubert
2012-06-21 21:20 ` [ PATCH 0/3 ] mpt fusion enhancements Ron Eisler
2012-06-22  9:30   ` Bernd Schubert [this message]

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