From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: 2.6.20-rc6: known unfixed regressions (v2) (part 2) Date: Mon, 29 Jan 2007 23:14:29 -0500 Message-ID: <45BEC625.9010400@pobox.com> References: <20070127174230.GN6017@stusta.de> <20070128133344.214070@gmx.net> <1170051963.6454.7.camel@Homer.simpson.net> <45BE5AF0.3030005@cs.wisc.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:42717 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965125AbXA3EPA (ORCPT ); Mon, 29 Jan 2007 23:15:00 -0500 In-Reply-To: <45BE5AF0.3030005@cs.wisc.edu> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mike Christie Cc: Linus Torvalds , Mike Galbraith , Uwe Bugla , Adrian Bunk , Andrew Morton , gd@spherenet.de, alan@lxorguk.ukuu.org.uk, linux-ide@vger.kernel.org, B.Zolnierkiewicz@elka.pw.edu.pl, Jens Axboe , James Bottomley , Tejun Heo Mike Christie wrote: > Strangely, if I use the sata driver, then nero uses the sg driver > (drivers/scsi/sg.c) instead of the block layer sg io code. But the sata > code spits out: > > Jan 29 12:03:21 madmax kernel: ata1.00: ATAPI check failed > Jan 29 12:03:21 madmax kernel: ata1.00: exception Emask 0x0 SAct 0x0 > SErr 0x0 action 0x2 frozen > Jan 29 12:03:21 madmax kernel: ata1.00: cmd > a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0xac data 808 in > Jan 29 12:03:21 madmax kernel: res > 51/51:03:00:00:20/00:00:00:00:00/a0 Emask 0x3 (HSM violation) > Jan 29 12:03:21 madmax kernel: ata1: soft resetting port > Jan 29 12:03:21 madmax kernel: ATA: abnormal status 0xD0 on port 0x1F7 > Jan 29 12:03:21 madmax kernel: ata1.00: failed to IDENTIFY (I/O error, > err_mask=0x2) > Jan 29 12:03:21 madmax kernel: ata1.00: revalidation failed (errno=-5) -5 == EIO > Jan 29 12:03:21 madmax kernel: ata1: failed to recover some devices, > retrying in 5 secs > Jan 29 12:03:33 madmax kernel: ata1: port is slow to respond, please be > patient (Status 0xd0) > Jan 29 12:03:56 madmax kernel: ata1: port failed to respond (30 secs, > Status 0xd0) > Jan 29 12:03:56 madmax kernel: ata1: soft resetting port > Jan 29 12:03:57 madmax kernel: ata1.00: configured for PIO4 > Jan 29 12:03:57 madmax kernel: ata1: EH complete It's not critical for 2.6.20, since the default recommendation for PATA is still "use drivers/ide", but Alan Cox (and Tejun and me) should be aware of cases where drivers/ide works but libata does not. So, if you could post some machine and .config info regarding this to linux-ide (CC'ing Alan), that would be appreciated. Jeff