From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: BUG 2.6.24-rc4-mm1 -- Boot still hangs w/ async scsi scan Date: Thu, 6 Dec 2007 10:35:31 -0800 Message-ID: <20071206103531.ea74d4bc.akpm@linux-foundation.org> References: <1196872599.5346.8.camel@localhost> <20071205132043.a80853d9.akpm@linux-foundation.org> <1196964862.5293.34.camel@localhost> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from smtp2.linux-foundation.org ([207.189.120.14]:39355 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752000AbXLFSgL (ORCPT ); Thu, 6 Dec 2007 13:36:11 -0500 In-Reply-To: <1196964862.5293.34.camel@localhost> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Lee Schermerhorn Cc: linux-scsi@vger.kernel.org, James.Bottomley@steeleye.com, Eric.Moore@lsi.com, Eric Whitney On Thu, 06 Dec 2007 13:14:22 -0500 Lee Schermerhorn wrote: > On Wed, 2007-12-05 at 13:20 -0800, Andrew Morton wrote: > > On Wed, 05 Dec 2007 11:36:39 -0500 > > Lee Schermerhorn wrote: > > > > > As reported here: > > > > > > http://marc.info/?l=linux-scsi&m=119645761124683&w=4 > > > > > > against 24-rc3-mm2, I'm still seeing the hang on my HP ia64 NUMA > > > platform under 24-rc4-mm1 with async scsi scan enabled. I'm still > > > seeing the message "mptspi: ioc#: mpt_config failed" when it hangs. > > > > > > I can boot by disabling async scan. However, I've also noticed some > > > disks attached via one of the "mpt" adapters ["scsi8" in console long in > > > message linked above] going "off-line" during stress tests. This was > > > under 24-rc3-mm2. Haven't got that far yet with 24-rc4-mm1. > > > > > > > Is ther any way of tricking you into > > http://www.zip.com.au/~akpm/linux/patches/stuff/bisecting-mm-trees.txt? > > > > Obvious culprits to start with would be git-scsi-misc and maybe > > scsi-early-detection-of-medium-not-present-updated.patch. But there are > > only 20-odd scsi patches in there. > > The reported hang occurs after pushing the git-scsi-misc patch. OK, thanks. > I'm > looking into it now, but it's rather large and I'm a neophyte in this > area. If James can point me at a broken-out quilt series for this > patch, I'd be willing to try to bisect that-- I doubt if such a thing exists. > assuming that it IS > bisectable. Often git trees are not bisectable. But they should be. Your best bet is to do a git-bisect on git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git http://www.kernel.org/doc/local/git-quick.html