Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 8 Jun 2002 17:00:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 8 Jun 2002 17:00:04 -0400 Received: from david.siemens.de ([192.35.17.14]:58041 "EHLO david.siemens.de") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Sat, 8 Jun 2002 17:00:02 -0400 From: Borsenkow Andrej To: linux-kernel list Subject: Re: 2.4.18-pre9, Iomega Jaz, PPA - endless loop in SCSI recovery thread In-Reply-To: <1023569729.13619.6.camel@localhost.localdomain> Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 8BIT X-Mailer: Ximian Evolution 1.0.5-3mdk Date: 09 Jun 2002 00:58:00 +0400 Message-Id: <1023569887.13619.9.camel@localhost.localdomain> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Oh, and when I tried to simply switch off Jaz during this loop I got panic: kernel panic: scsi_unjam_host Miscount of number of failed commands Not sure if it helps very much ... -andrej ? ???, 09.06.2002, ? 00:55, Andrej Borsenkow ???????: > > It looks like a media went corrupted so one expects some reasonable > error message. What happens is I get endless loop in SCSI error recovery > thread. The only way to clear up situation is to reboot and even then it > hangs on umount so I have to do SysRq-B. Please, what additional > information can be provided; I hope I can keep this media intact for > some time for testing :-) > > the kernel is 2.4.18-18mdk based on 2.4.1-pre9. > > I am not on lkml so please Cc me. Thank you. > > -andrej > > > {pts/0}% cat /proc/scsi/scsi > Attached devices: > Host: scsi0 Channel: 00 Id: 04 Lun: 00 > Vendor: iomega Model: jaz 2GB Rev: E.17 > Type: Direct-Access ANSI SCSI revision: 02 > Host: scsi1 Channel: 00 Id: 03 Lun: 00 > Vendor: PHILIPS Model: CDD3610 CD-R/RW Rev: 3.09 > Type: CD-ROM ANSI SCSI revision: 02 > {pts/0}% cat /proc/scsi/ppa/0 > Version : 2.07 (for Linux 2.4.x) > Parport : parport0 > Mode : EPP 32 bit > {pts/0}% uname -a > Linux localhost.localdomain 2.4.18-18mdkcustom #5 Sat Jun 8 23:25:23 MSD > 2002 i686 unknown > > SCSI log: > > Jun 8 20:49:59 localhost kernel: Activating command for device 4 (1) > Jun 8 20:49:59 localhost kernel: Doing sd request, dev = 0x804, block = 944344 > Jun 8 20:49:59 localhost kernel: sda : real dev = /dev/0, block = 944376 > Jun 8 20:49:59 localhost kernel: sda : reading 248/248 512 byte blocks. > Jun 8 20:49:59 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12892) > Jun 8 20:49:59 localhost kernel: scsi_dispatch_cmnd (host = 0, channel = 0, target = 4, command = cd8b1e58, buffer = c009e000, > Jun 8 20:49:59 localhost kernel: bufflen = 126976, done = d2813b7a) > Jun 8 20:49:59 localhost kernel: queuecommand : routine at d2a2f1e0 > Jun 8 20:49:59 localhost kernel: leaving scsi_dispatch_cmnd() > Jun 8 20:50:00 localhost kernel: Clearing timer for command cd8b1e00 1 > Jun 8 20:50:00 localhost kernel: Command failed cd8b1e00 2 active=1 busy=1 failed=0 > Jun 8 20:50:00 localhost kernel: bh08:04: old sense key None > Jun 8 20:50:00 localhost kernel: Non-extended sense class 0 code 0x0 > Jun 8 20:50:00 localhost kernel: Waking error handler thread (-1) > Jun 8 20:50:00 localhost kernel: Error handler waking up > Jun 8 20:50:00 localhost kernel: scsi_unjam_host: Checking to see if we need to request sense > Jun 8 20:50:00 localhost kernel: scsi_unjam_host: Requesting sense for 4 > Jun 8 20:50:00 localhost kernel: Adding timer for command cd8b1e00 at 1000 (d2a12a28) > Jun 8 20:50:00 localhost kernel: In eh_done cd8b1e00 result:0 > Jun 8 20:50:00 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:00 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2002 > Jun 8 20:50:00 localhost kernel: Sense requested for cd8b1e00 - result 2 > Jun 8 20:50:00 localhost kernel: Info fld=0xe6960, Current bh08:04: sense key Medium Error > Jun 8 20:50:00 localhost kernel: Additional sense indicates Address mark not found for data field > Jun 8 20:50:00 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:03 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:03 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:03 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:03 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:06 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:06 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:06 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:06 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:09 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:09 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:09 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:09 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:12 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:12 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:12 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:12 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:15 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:15 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:15 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:15 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:17 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:17 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:17 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:17 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:20 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:20 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:20 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:20 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:23 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:23 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:23 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 > Jun 8 20:50:23 localhost kernel: Adding timer for command cd8b1e00 at 6000 (d2a12a28) > Jun 8 20:50:26 localhost kernel: In eh_done cd8b1e00 result:2 > Jun 8 20:50:26 localhost kernel: send_eh_cmnd: cd8b1e00 eh_state:2002 > Jun 8 20:50:26 localhost kernel: scsi_send_eh_cmnd: scsi_eh_completed_normally 2001 - 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