From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262350AbVDLLna (ORCPT ); Tue, 12 Apr 2005 07:43:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262359AbVDLLmd (ORCPT ); Tue, 12 Apr 2005 07:42:33 -0400 Received: from fire.osdl.org ([65.172.181.4]:60126 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S262340AbVDLLkQ convert rfc822-to-8bit (ORCPT ); Tue, 12 Apr 2005 07:40:16 -0400 Date: Tue, 12 Apr 2005 04:39:52 -0700 From: Andrew Morton To: Ed Tomlinson Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.12-rc2-mm3 Message-Id: <20050412043952.0644d4ac.akpm@osdl.org> In-Reply-To: <200504120732.24440.tomlins@cam.org> References: <20050411012532.58593bc1.akpm@osdl.org> <200504120732.24440.tomlins@cam.org> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ed Tomlinson wrote: > > On Monday 11 April 2005 04:25, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc2/2.6.12-rc2-mm3/ > > > > > > - The anticipatory I/O scheduler has always been fairly useless with SCSI > >   disks which perform tagged command queueing.  There's a patch here from Jens > >   which is designed to fix that up by constraining the number of requests > >   which we'll leave pending in the device. > > > >   The depth currently defaults to 1.  Tunable in > >   /sys/block/hdX/queue/iosched/queue_depth > > > >   This patch hasn't been performance tested at all yet.  If you think it is > >   misbehaving (the usual symptom is processes stuck in D state) then please > >   report it, then boot with `elevator=cfq' or `elevator=deadline' to work > >   around it. > > > > - More CPU scheduler work.  I hope someone is testing this stuff. > > Something is not quite right here. I built rc2-mm3 and booted (uni processor, amd64, preempt on). > mm3 lasted about 30 mins before locking up with a dead keyboard. I had mm2 reboot a few times > over the last couple of days too. > > 11-mm3 uptime of 2 weeks+ > 12-rc2-mm2 reboots once every couple of days > 12-rc2-mm3 locked up within 30 mins using X using kmail/bogofilter Unpleasant. Serial console would be nice ;) > My serial console does not seem to want to work. Has anything changed with this support? > Don't think so - it works OK here. Checked the .config? Does the serial port work if you do `echo foo > /dev/ttyS0'? ACPI?