From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [PATCH] add help to WAIT_SCAN option Date: Sat, 26 May 2007 14:44:47 -0600 Message-ID: <20070526204447.GM5798@parisc-linux.org> References: <20070526191127.GB7080@colo.lackof.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:49507 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760378AbXEZUot (ORCPT ); Sat, 26 May 2007 16:44:49 -0400 Content-Disposition: inline In-Reply-To: <20070526191127.GB7080@colo.lackof.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Grant Grundler Cc: James Bottomley , linux-scsi@vger.kernel.org, Thibaut VARENE On Sat, May 26, 2007 at 01:11:27PM -0600, Grant Grundler wrote: > Thibaut Varene's parisc box didn't find the root disk. > Problem is he had ASYNC_SCAN enabled and the required SYM2 driver builtin > but the root disk wasn't discovered before the kernel wanted to mount root. > Oh, and he (like many folks who build their own kernels) didn't use > an initrd or initramfs. So no chance to load scsi_wait_scan module. I don't know what Thibaut's problem was, but this explanation is definitely incorrect. If you build in the sym2 driver and the scsi core, then we wait for the discs to be discovered automatically.