From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933036AbXC0Qef (ORCPT ); Tue, 27 Mar 2007 12:34:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933092AbXC0Qef (ORCPT ); Tue, 27 Mar 2007 12:34:35 -0400 Received: from hancock.steeleye.com ([71.30.118.248]:59059 "EHLO hancock.sc.steeleye.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S933036AbXC0Qed (ORCPT ); Tue, 27 Mar 2007 12:34:33 -0400 Subject: Re: CONFIG_SCSI_WAIT_SCAN=m From: James Bottomley To: Hugh Dickins Cc: Andrew Morton , linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Date: Tue, 27 Mar 2007 11:34:17 -0500 Message-Id: <1175013257.3737.21.camel@mulgrave.il.steeleye.com> Mime-Version: 1.0 X-Mailer: Evolution 2.8.3 (2.8.3-1.fc6) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2007-03-27 at 17:25 +0100, Hugh Dickins wrote: > I'm not using an initrd, most of my kernel is builtin, > just a few modules for occasional filesystems. > > CONFIG_MODULES=y > CONFIG_SCSI=y > CONFIG_SCSI_SCAN_ASYNC=y > CONFIG_SCSI_WAIT_SCAN=m > > 2.6.21-rc5-mm2 VFS panics unable to find my root on /dev/sda2, > but boots okay if I change drivers/scsi/Kconfig to "default y" > instead of "default m" for SCSI_WAIT_SCAN. Hmm ... it sounds like there's a missing scsi_complete_async_scans() in your environment? What's your configuration ... which SCSI drivers, and which are modules? scsi_wait_async_scan is supposed to be unnecessary unless you have modular SCSI drivers that the initrd needs to wait for root on. James