From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Christie Subject: Re: 2.6.20-rc6: known unfixed regressions (v2) (part 2) Date: Mon, 29 Jan 2007 14:37:04 -0600 Message-ID: <45BE5AF0.3030005@cs.wisc.edu> References: <20070127174230.GN6017@stusta.de> <20070128133344.214070@gmx.net> <1170051963.6454.7.camel@Homer.simpson.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from sabe.cs.wisc.edu ([128.105.6.20]:44646 "EHLO sabe.cs.wisc.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752606AbXA2UtJ (ORCPT ); Mon, 29 Jan 2007 15:49:09 -0500 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Linus Torvalds Cc: 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, Jeff Garzik , Jens Axboe , James Bottomley Linus Torvalds wrote: >> >> [ 4362.972995] hdd: status error: status=0x58 { DriveReady SeekComplete DataRequest } >> [ 4362.981475] ide: failed opcode was: unknown >> [ 4362.986183] hdd: drive not ready for command > What chipsets are you guys using? I tried 2.6.20-rc6, and forced my cdrom to be used by the ide piix driver instead of the sata one, so the device shows up as hda instead of a scsi one. And, if I use the ide piix driver for the cdrom then it works fine. I see IO going through the block layer sg io code which was modified in 2.6.20 to support larger IOs. 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) 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 nero still works in this case, but is is sluggish. It takes a couple minutes to start up and on almost every operation like "Choose Recorder" spits out more error messages like above. This may be not be related. I am going to keep digging around.