From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Borntraeger Subject: Re: todays git: WARNING: at drivers/ata/libata-sff.c:1017 ata_sff_hsm_move+0x45e/0x750() Date: Sat, 10 Jan 2009 14:27:06 +0100 Message-ID: <200901101427.06645.borntraeger@de.ibm.com> References: <200901091334.55823.borntraeger@de.ibm.com> <200901101404.39139.borntraeger@de.ibm.com> <49689F19.7030203@garzik.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from mtagate3.uk.ibm.com ([195.212.29.136]:48246 "EHLO mtagate3.uk.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750853AbZAJN1K (ORCPT ); Sat, 10 Jan 2009 08:27:10 -0500 In-Reply-To: <49689F19.7030203@garzik.org> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Alan Cox , Sergei Shtylyov , linux-ide@vger.kernel.org, Jeff Garzik , lkml Am Samstag 10 Januar 2009 schrieb Jeff Garzik: > Christian Borntraeger wrote: > > 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. > > Just to be clear, you mean: > > 2.6.28 is OK > 2.6.28 + PIO32 is broken > > Correct? Yes.