From mboxrd@z Thu Jan 1 00:00:00 1970 From: rgheck Subject: Re: ATA, SATA Disk Problems Date: Mon, 21 Jan 2008 10:48:10 -0500 Message-ID: <4794BEBA.7060104@bobjweil.com> References: <478E24EE.2060409@brown.edu> <47945394.7090100@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from qmta09.westchester.pa.mail.comcast.net ([76.96.62.96]:57144 "EHLO QMTA09.westchester.pa.mail.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754229AbYAUPzQ (ORCPT ); Mon, 21 Jan 2008 10:55:16 -0500 In-Reply-To: <47945394.7090100@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo , linux-ide@vger.kernel.org Tejun Heo wrote: > Hello, > > rgheck wrote: > >> Hi, and sorry if this turns out to be a known issue. Actually, I'll be >> thrilled if this turns out to be a known issue. But I've searched on it >> forever, and although I've found some information, I've not found a >> definite fix. Possibly my fault, but this is driving me nuts. >> >> System: Asus P5N32E MB, Intel Quad Core; on SATA: two HDs, SATA Pioneer >> DVD-RW; on PATA: Plextor CDRW, one HD. (Can send more info of course.) >> Kernel is 2.6.23.9 on Fedora 8. >> [root@rghquad lyxsvn]# lsmod | grep ata >> pata_amd 20293 2 >> pata_pdc2027x 17477 0 >> sata_nv 25157 6 >> ata_generic 14405 0 >> libata 114673 4 pata_amd,pata_pdc2027x,sata_nv,ata_generic >> scsi_mod 145657 5 sr_mod,sg,usb_storage,libata,sd_mod >> >> The issue concerns locks ups and other errors that seem to be focused on >> the optical drives. I'm getting this kind of error: >> Jan 16 01:33:19 rghquad kernel: ata7.01: exception Emask 0x0 SAct 0x0 >> SErr 0x0 action 0x2 frozen >> Jan 16 01:33:19 rghquad kernel: ata7.01: cmd >> a0/00:00:00:00:20/00:00:00:00:00/b0 tag 0 cdb 0x0 data 0 >> Jan 16 01:33:19 rghquad kernel: ata7: soft resetting port >> Jan 16 01:33:19 rghquad kernel: ata7.01: configured for MWDMA2 >> Jan 16 01:33:19 rghquad kernel: ata7: EH complete >> repeatedly, sometimes with the Plextor, sometimes with the Pioneer. But >> then things sometimes get worse: >> Jan 16 01:36:22 rghquad kernel: sr1: CDROM (ioctl) error, command: >> <6>ata7: EH complete >> Jan 16 01:36:22 rghquad kernel: __journal_remove_journal_head: freeing >> b_committed_data >> Jan 16 01:36:22 rghquad kernel: __journal_remove_journal_head: freeing >> b_frozen_data >> Jan 16 01:36:22 rghquad kernel: __journal_remove_journal_head: freeing >> b_committed_data >> and it seems as if the whole ATA system locks up. The main drive gets >> reset to read-only, and, well, things are not then good. >> >> The fact that this sometimes happens on SATA and sometimes on PATA >> suggests its not a cable issue. (That particular case was the Plextor.) >> >> Is it worth trying a larger PS? I believe I have 450W in this system. >> >> Any help or suggestions more than welcome. >> > > * Please post full kernel log including boot messages and error messages. > > * If you have an extra power supply lying around, connecting some of > SATA devices to a separate PSU (don't do it for PATA) and seeing whether > the problem continues and on which devices is a great way to rule out > power problem. You can power up a PSU without connecting it to a system > by... > > http://modtown.co.uk/mt/article2.php?id=psumod > > Thanks for the reply. I'll try a few things---the PS, and the 2.6.24 kernel---and post again if I continue to have problems. I'll also try the patch you posted to another person having optical drive issues. Thanks for your work. rh