From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264872AbUE0Q06 (ORCPT ); Thu, 27 May 2004 12:26:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264877AbUE0Q06 (ORCPT ); Thu, 27 May 2004 12:26:58 -0400 Received: from mx1.redhat.com ([66.187.233.31]:22163 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S264872AbUE0Q0s (ORCPT ); Thu, 27 May 2004 12:26:48 -0400 Subject: Re: [patch 2.6] don't put IDE disks in standby mode on halt on Alpha From: Arjan van de Ven Reply-To: arjanv@redhat.com To: Ivan Kokshaysky Cc: Bartlomiej Zolnierkiewicz , Andrew Morton , linux-kernel@vger.kernel.org In-Reply-To: <20040527194920.A1709@jurassic.park.msu.ru> References: <20040527194920.A1709@jurassic.park.msu.ru> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-sDfWq0Ez+ZKWrcVzPHGu" Organization: Red Hat UK Message-Id: <1085675193.7179.5.camel@laptop.fenrus.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Thu, 27 May 2004 18:26:33 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --=-sDfWq0Ez+ZKWrcVzPHGu Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Thu, 2004-05-27 at 17:49, Ivan Kokshaysky wrote: > Spinning the disks down across a 'halt' on Alpha is even > worse than doing that on reboot on i386 (assuming the > boot device is IDE disk). > Typically, the sequence to boot another kernel is: > # halt > kernel shuts down, firmware re-initializes, > then on firmware prompt we type something like > >>> boot -file new_kernel_image.gz >=20 > Unfortunately, the firmware does not expect the IDE drive > to be in standby mode and reports 'bootstrap failure' on > the first and all subsequent boot attempts until the > drive spins up, which is extremely annoying and > confuses users a lot. how do you flush the disks' writecache then? Halting the disk seems to be the only reliable way to do so. --=-sDfWq0Ez+ZKWrcVzPHGu Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQBAtha5xULwo51rQBIRAqzrAJ9EK+woRvtXCHv4DY4wWSTROnEsegCfV04n Ij70mmw8PSKgbaBOsV2dfjA= =XMHW -----END PGP SIGNATURE----- --=-sDfWq0Ez+ZKWrcVzPHGu--