From mboxrd@z Thu Jan 1 00:00:00 1970 From: Douglas Gilbert Subject: Re: race condition between scsi device add/remove code paths in 2.6.28 Date: Fri, 23 Jan 2009 21:13:15 -0500 Message-ID: <497A793B.7010103@interlog.com> References: <8b62ef2d0901231608y8df423ema178ae8700173ea1@mail.gmail.com> Reply-To: dgilbert@interlog.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.infotech.no ([82.134.31.41]:53776 "EHLO elrond2.infotech.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753654AbZAXCNW (ORCPT ); Fri, 23 Jan 2009 21:13:22 -0500 In-Reply-To: <8b62ef2d0901231608y8df423ema178ae8700173ea1@mail.gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Sudhakar Cc: linux-scsi@vger.kernel.org Sudhakar wrote: > Hi, > > In our labs, we encountered a kernel crash, while stressing scsi > device add/remove code path of 2.6.28 kernel. lsscsi output on my > machine looks like this: > > *******Start****** > > [root@IMIT2S005 ~]# lsscsi > [0:0:0:0] disk ATA ST3250620NS 3BKS - > [0:0:1:0] disk ATA ST3250620NS 3BKS - > [0:0:2:0] disk ATA ST3250620NS 3BKS - > [0:0:3:0] disk ATA ST3250620NS 3BKS - > [0:1:0:0] disk Dell VIRTUAL DISK 1028 /dev/sda > [1:0:0:0] cd/dvd Optiarc DVD RW AD-7190S 1.00 /dev/scd0 > [5:0:0:0] disk Linux scsi_debug 0004 /dev/sdb As an aside, do you know why the first 4 "ATA" disks are not showing a device node? Doug Gilbert