From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Kernel oops: 2.6.16-rc3-mm1 dvd mount Date: Mon, 20 Feb 2006 23:21:37 +0900 Message-ID: <43F9D071.5000409@gmail.com> References: <43F4A5FE.3080601@feise.com> <43F96743.9050103@gmail.com> <43F9CF85.1020500@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from pproxy.gmail.com ([64.233.166.178]:13149 "EHLO pproxy.gmail.com") by vger.kernel.org with ESMTP id S964936AbWBTOVk (ORCPT ); Mon, 20 Feb 2006 09:21:40 -0500 Received: by pproxy.gmail.com with SMTP id s49so1115560pyc for ; Mon, 20 Feb 2006 06:21:39 -0800 (PST) In-Reply-To: <43F9CF85.1020500@gmail.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: jfeise@feise.com Cc: linux-kernel@vger.kernel.org, Jens Axboe , Andrew Morton , SCSI Mailing List , James Bottomley Tejun Heo wrote: > Tejun Heo wrote: > >> This oops happened because get_request() was invoked with NULL @q. It >> seems like SCSI midlayer refcounting mixup. I'll dig deeper and >> report again as soon as I can find something concrete. > > > Hello, all & James. > > I've bisected the patch series and the winner is #221 > git-scsi-misc.patch which seems to contain eight commits. I think SCSI > people can hunt this down from now on. The bug happens whenever sr block > device is accessed - mount, cat, whatever, and now it seems like some > kind of data overrun. > Oops, I snipped all important information. The original thread is http://article.gmane.org/gmane.linux.kernel/379968 Sorry. -- tejun