From: Richard Scobie <richard@sauce.co.nz>
To: linux-scsi@vger.kernel.org
Cc: "Desai, Kashyap" <Kashyap.Desai@lsi.com>
Subject: RE: mptsas hangs caused by ATA pass-through explained
Date: Fri, 04 Jun 2010 08:07:36 +1200 [thread overview]
Message-ID: <4C080B88.205@sauce.co.nz> (raw)
Kashyap wrote:
I have also verified this patch + also done code review with our
developers including Eric Moore. Please consider this patch as an ACKed
patch and schedule it for next upstream release.
----------------------
Hi,
In comment #20 of this bug entry:
https://bugzilla.kernel.org/show_bug.cgi?id=14831
you state:
"Patch for setting dma boundary is mere avoiding condition which is
causing this
issue. LSI Gen-1 controller does not have 512byte dma boundary limitation. I
have started internal chat with our Firmware engineer. I will update you
findings as and when some imp stuffs are found."
Is this still the case, or is the patch the final fix?
Also, comment #25 in the same thread notes a significant negative write
performance impact.
Are you seeing this?
I have several machines in production I would like to update, but not if
there is a better solution to this on it's way.
Regards,
Richard
next reply other threads:[~2010-06-03 20:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-03 20:07 Richard Scobie [this message]
2010-06-04 18:31 ` mptsas hangs caused by ATA pass-through explained Desai, Kashyap
-- strict thread matches above, loose matches on Subject: below --
2010-04-26 23:11 Ryan Kuester
2010-04-26 23:11 ` Ryan Kuester
2010-06-01 19:43 ` Cláudio Martins
2010-06-01 19:43 ` Cláudio Martins
2010-06-03 16:35 ` Desai, Kashyap
2010-06-03 16:35 ` Desai, Kashyap
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