From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jan Beulich" Subject: Re: [TEST PATCH] xen/blkfront: use blk_rq_map_sg togenerate ring entries Date: Mon, 09 Feb 2009 09:52:01 +0000 Message-ID: <49900AD1.76E4.0078.0@novell.com> References: <11773622.8411271233953279537.JavaMail.root@ouachita> <498CA8C8.6050808@goop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <498CA8C8.6050808@goop.org> Content-Disposition: inline List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Jeremy Fitzhardinge , Greg Harris Cc: Xen-devel , Jens Axboe List-Id: xen-devel@lists.xenproject.org >>> Jeremy Fitzhardinge 06.02.09 22:16 >>> >Greg Harris wrote: >> It looks like this patch applied against 2.6.28.2 resolves the issue = for us -- our spinner has been running for two days now without a panic. = We've been testing this by spinning around an installer which creates file = systems across two disks and then installs a base Linux system and some = additional software. Previously we were running into these panics towards = the end of file-system creation. =20 >> =20 > >Thanks very much for testing. > >> Will this patch be part of the next upstream kernel release? >> =20 > >Yes, and it should go into the next stable kernel too. But isn't this just reducing the likelihood of hitting the problem? = Without understanding why the entry limit gets exceeded (and fixing that), the potential for this to happen again is still there. Of course, the change made here has its own benefits, so I fully agree it should be applied (though I wonder whether it's indeed a -stable candidate). Jan