From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: ATAPI tape drives broken with libata Date: Thu, 30 Aug 2007 00:00:46 -0400 Message-ID: <46D640EE.9050307@garzik.org> References: <46D5F97B.3050808@redhat.com> 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]:60966 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750701AbXH3EA6 (ORCPT ); Thu, 30 Aug 2007 00:00:58 -0400 In-Reply-To: <46D5F97B.3050808@redhat.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Chuck Ebbert Cc: IDE/ATA development list , craig48@swbell.net, Alan Chuck Ebbert wrote: > https://bugzilla.redhat.com/show_bug.cgi?id=243568 > > Using kernel 2.6.22: > > Aug 29 17:08:11 itox kernel: ata2.00: ATAPI: Seagate STT8000A, 5.51, max MWDMA2 > Aug 29 17:08:11 itox kernel: ata2.00: configured for MWDMA2 > Aug 29 17:08:11 itox kernel: scsi 1:0:0:0: Sequential-Access Seagate STT8000A 5.51 PQ: 0 ANSI: 2 > Aug 29 17:08:12 itox kernel: scsi 1:0:0:0: Attached scsi generic sg1 type 1 > Aug 29 17:08:12 itox kernel: st: Version 20070203, fixed bufsize 32768, s/g segs 256 > Aug 29 17:08:12 itox kernel: st 1:0:0:0: Attached scsi tape st0 > Aug 29 17:08:12 itox kernel: st 1:0:0:0: st0: try direct i/o: yes (alignment 512 B) > Aug 29 17:08:12 itox kernel: ata2: DRQ=1 with device error, dev_stat 0x59 > Aug 29 17:08:12 itox kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen > Aug 29 17:08:12 itox kernel: ata2.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0 > Aug 29 17:08:12 itox kernel: res 51/60:03:00:00:20/00:00:00:00:00/a0 Emask 0x3 (HSM violation) DRQ=1 is quite unusual, and would definitely trigger the problems further down (that I snipped)... Jeff