linux-kernel - Re: [Bug #12263] Sata soft reset filling log

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Message-ID: <49998480.3090408@ru.mvista.com>
Date:	Mon, 16 Feb 2009 18:21:36 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Ingo Molnar <mingo@...e.hu>, Justin Madru <jdm64@...ab.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>,
	Linux IDE <linux-ide@...r.kernel.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Hugh Dickins <hugh@...itas.com>,
	Larry Finger <Larry.Finger@...inger.net>,
	Mikael Pettersson <mikpe@...uu.se>
Subject: Re: [Bug #12263] Sata soft reset filling log

Hello, I wrote:

>>>>>> This message has been generated automatically as a part of a report
>>>>>> of regressions introduced between 2.6.27 and 2.6.28.

>>>>>> The following bug entry is on the current list of known regressions
>>>>>> introduced between 2.6.27 and 2.6.28.  Please verify if it still 
>>>>>> should
>>>>>> be listed and let me know (either way).

>>>>>> Bug-Entry    : http://bugzilla.kernel.org/show_bug.cgi?id=12263
>>>>>> Subject        : Sata soft reset filling log
>>>>>> Submitter    : Justin Madru <bevicm@...extreme.com>
>>>>>> Date        : 2008-12-13 2:07 (64 days old)
>>>>>> References    : 
>>>>>> http://marc.info/?l=linux-kernel&m=122913412608533&w=4

>>>>> I'm still seeing this on .29-rc5, and I think that my bug #12263 is 
>>>>> a duplicate of bug #12609,
>>>>> or more correctly it's a duplicate of mine because I reported first.

>>>>> It seems like the bug has been fixed in tip/master for some time now.
>>>>> Below is the diff of origin and tip from when I tested.

>>>> Ingo, do you know whinch patch in -tip fixes this regression?

>>> This one, done on Jan 10, more than a month ago:

>>>  f1d26da: Revert "libata: Add 32bit PIO support"

>>> When a commit causes trouble in -tip qa i immediately revert it in 
>>> 95% of the cases, no questions asked. Especially if it's related to 
>>> persistent storage.

>> OK, thanks.

>> We seem to have a working fix patch for this issue in bug #12609.

>    Wait, if this is indeed post-2.6.27 regression, it couldn't possibly 
> have been caused by that patch which got merged during 2.6.29-rc1 
> timeframe. Something's up with this bug...

    Also, it's been reported for a hard disk while regression in bug 12609 
only hits the ATAPI devices. I think that bug 12263 needs to be reopened.

MBR, Sergei
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