From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261345AbULER6o (ORCPT ); Sun, 5 Dec 2004 12:58:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261334AbULER6o (ORCPT ); Sun, 5 Dec 2004 12:58:44 -0500 Received: from mail.aei.ca ([206.123.6.14]:8907 "EHLO aeimail.aei.ca") by vger.kernel.org with ESMTP id S261345AbULER6g (ORCPT ); Sun, 5 Dec 2004 12:58:36 -0500 From: Ed Tomlinson Organization: me To: Jens Axboe Subject: Re: [PATCH] Time sliced CFQ #2 Date: Sun, 5 Dec 2004 12:58:28 -0500 User-Agent: KMail/1.7.1 Cc: Linux Kernel References: <20041204104921.GC10449@suse.de> <200412050921.20468.edt@aei.ca> <20041205151840.GE6430@suse.de> In-Reply-To: <20041205151840.GE6430@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200412051258.28914.edt@aei.ca> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sunday 05 December 2004 10:18, Jens Axboe wrote: > On Sun, Dec 05 2004, Ed Tomlinson wrote: > > Jens, > > > > Booting 10-rc3 with this patch applied hangs when I su from root > > to my working user. Same kernel without elevator=cfq works. By > > hangs I mean that the su does not complete nor do logins to other > > ids work. The sysrq keys are active. > > > > Please let me know what other info will help. > > What type of storage is involved, that's the main question? IDE. Just in case this is from the 10-rc3 boot with the default scheduler. Dec 5 09:25:17 bert kernel: Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 Dec 5 09:25:17 bert kernel: ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx Dec 5 09:25:17 bert kernel: PIIX4: IDE controller at PCI slot 0000:00:14.1 Dec 5 09:25:17 bert kernel: PIIX4: chipset revision 1 Dec 5 09:25:17 bert kernel: PIIX4: not 100%% native mode: will probe irqs later Dec 5 09:25:17 bert kernel: ide0: BM-DMA at 0x10e0-0x10e7, BIOS settings: hda:DMA, hdb:pio Dec 5 09:25:17 bert kernel: ide1: BM-DMA at 0x10e8-0x10ef, BIOS settings: hdc:DMA, hdd:DMA Dec 5 09:25:17 bert kernel: hda: Maxtor 6Y080L0, ATA DISK drive Dec 5 09:25:17 bert kernel: elevator: using anticipatory as default io scheduler Dec 5 09:25:17 bert kernel: ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 Dec 5 09:25:17 bert kernel: hdc: HL-DT-ST RW/DVD GCC-4480B, ATAPI CD/DVD-ROM drive Dec 5 09:25:17 bert kernel: hdd: HP COLORADO 20GB, ATAPI TAPE drive Dec 5 09:25:17 bert kernel: ide1 at 0x170-0x177,0x376 on irq 15 Using udma2. Ed