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

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Message-ID: <4999C195.5050905@ru.mvista.com>
Date:	Mon, 16 Feb 2009 22:42:13 +0300
From:	Sergei Shtylyov <sshtylyov@...mvista.com>
To:	Justin Madru <jdm64@...ab.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, Ingo Molnar <mingo@...e.hu>,
	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.

Justin Madru wrote:

>> After referring to the SCSI command codes "cdb 0x1e" means ALLOW 
>> MEDIUM REMOVAL command -- which
>> could hardly be addressed to an usual hard disk. So, it looks like we 
>> had a case of the confused bug report which
>> has a lot of info on the hard disk while errors were most probably 
>> happening with a CD/DVD drive.

> Yes, I originally thought it was my hard disk because the kernel logs 
> showed ata2.

> But, Tejun Heo figured out it was my DVD drive (ATAPI) that was on the 
> ata2 link.

> (see http://marc.info/?l=linux-kernel&m=122993014109646&w=2)

> I tried to bisect it, but around .28-rc1 I began to get numerous compile 
> errors, so couldn't continue.

> I also tried patches that Tejun sent me, but non of them worked, it just 
> slightly change the error message.

> So, yes this is a regression that was introduced in the .28 merge 
> window, and I still think that bug #12609 is a duplicate of my bug.

    If 12609 is truly a post-2.6.28 regression and 12263 is post-2.6.27 
regresssion, this just cannot be.

> I don't see this bug on tip/master and this is the diff of origin and 
> tip at the time I tested.

> $ git diff origin/master..tip/master drivers/ata/

    What tree is that?

WBR, Sergei
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