linux-kernel - Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm

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Message-Id: <200901101404.39139.borntraeger@de.ibm.com>
Date:	Sat, 10 Jan 2009 14:04:39 +0100
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Sergei Shtylyov <sshtylyov@...mvista.com>,
	linux-ide@...r.kernel.org, Jeff Garzik <jgarzik@...hat.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750()

Am Samstag 10 Januar 2009 schrieb Alan Cox:
> >    That's the typical REQUEST SENSE command with 18-byte data length.
> 
> Which means something has become horribly broken in the core libata stack.
> An 18 byte inquiry would have 18 bytes as the *last* sg element. That
> would therefore not trigger the WARN_ON. Someone has passed an sg list
> that isn't properly terminated perhaps ?
> 
> I wonder if the pad code broke this.

I just checked 2.6.28 + PIO32 patch. Its also broken. Whatever caused this 
problem did it a while ago.

I am wondering if I am the only one seeing this problem.
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