From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [PATCH] as i/o hang with aacraid driver 2.6.0-test1 Date: Fri, 18 Jul 2003 10:45:14 -0700 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20030718104514.291c942f.akpm@osdl.org> References: <20030716132036.GB833@suse.de> <1058364455.1856.28.camel@mulgrave> <20030716 170456.GK833@suse.de> <20030717015756.135a3f5a.akpm@osdl.org> <2003071708595 2.GX833@suse.de> <3F1672D9.7070309@cyberone.com.au> <20030717102926.GE833@su se.de> <3F167F98.60006@cyberone.com.au> <20030717105641.GF833@suse.de> <3F16 83F5.4030107@cyberone.com.au> <20030717111059.GI833@suse.de> <3F168846.90902 @cyberone.com.au> <1058474814.4638.11.camel@markh1.pdx.osdl.net> <1058481553 .19508.5.camel@markh1.pdx.osdl.net> <1058485621.7424.30.camel@dell_ss5.pdx.o sdl.net> <20030717170055.5dbe20c1.akpm@osdl.org> <3F17821A.307@cyberone.com. au> <20030717222534.0295c44e.akpm@osdl.org> <3F1785D9.5000905@cyberone.com.au> <1058537776.1863.6.camel@mulgrave> <20030718093006.5e07b6e2.akpm@osdl.org> <1058546495.1863.57.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from fw.osdl.org ([65.172.181.6]:51334 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S271868AbTGRRhs (ORCPT ); Fri, 18 Jul 2003 13:37:48 -0400 In-Reply-To: <1058546495.1863.57.camel@mulgrave> List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: piggin@cyberone.com.au, daniel@osdl.org, markh@osdl.org, axboe@suse.de, cliffw@osdl.org, linux-scsi@vger.kernel.org James Bottomley wrote: > > > Nick is probably on a plane by now. I sent Mark's original one-liner to > > Linus last night. > > That's not a fix, it only catches one out of the five requeue cases in > SCSI. Well yes, it's a bandaid. Anton was having hangs (sym2 I guess) and if fixed them, too. > why don't we just use the deadline elevator until this can be sorted out > properly? Could do I guess. Or people who continue to have problems can boot with elevator=deadline.