Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764203AbYFFGKT (ORCPT ); Fri, 6 Jun 2008 02:10:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752066AbYFFGKG (ORCPT ); Fri, 6 Jun 2008 02:10:06 -0400 Received: from ug-out-1314.google.com ([66.249.92.170]:28356 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751883AbYFFGKD (ORCPT ); Fri, 6 Jun 2008 02:10:03 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=from:reply-to:to:subject:date:user-agent:cc:references:in-reply-to :mime-version:content-type:content-transfer-encoding :content-disposition:message-id; b=YJq3wLn7fWqXA3GcVoZG0YcKN79EFpsijMsvRG0V87Ze6EWk4qKgY/rslnA3LKq4Xa rCOuVoXAlfj+FUMiTUoPRLGnajlwTGFLjmwMT2GrwxyfMPlvG2KUkPCWKaoLlcoh7UBw E43rrC3tprVeEgc8XElwbUDoZsDjbWvHnJs8o= From: Chris Clayton Reply-To: chris2553@googlemail.com To: Andrew Morton Subject: Re: 2,6.26-rc4-git2 - long pause during boot Date: Fri, 6 Jun 2008 06:07:29 +0000 User-Agent: KMail/1.9.9 Cc: LKML , linux-scsi@vger.kernel.org, Hannes Reinecke , "Rafael J. Wysocki" References: <200806010415.05290.chris2553@googlemail.com> <20080605221709.f248eb90.akpm@linux-foundation.org> In-Reply-To: <20080605221709.f248eb90.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200806060607.29460.chris2553@googlemail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2612 Lines: 70 On Friday 06 June 2008, Andrew Morton wrote: > On Sun, 1 Jun 2008 04:15:05 +0000 Chris Clayton wrote: > > Hi, > > > > I've just started testing 2.6.26 on my desktop machine and have found > > that I get a long pause (20 seconds or so) as the system boots. By pause > > I mean that the boot messages that normally scroll by stop doing so for, > > as I say, about 20 seconds. > > > > I've done a bisect and arrived at: > > > > b0ed43360fdca227048d88a08290365cb681c1a8 is first bad commit > > commit b0ed43360fdca227048d88a08290365cb681c1a8 > > Author: Hannes Reinecke > > Date: Tue Mar 18 14:32:28 2008 +0100 > > > > [SCSI] add scsi_host and scsi_target to scsi_bus > > > > This patch implements scsi_host and scsi_target device types > > and adds both to the scsi_bus. > > > > Signed-off-by: Hannes Reinecke > > Signed-off-by: Kay Sievers > > Signed-off-by: James Bottomley > > > > > > :040000 040000 4e3140909966b4c9aa987d34ee4078d283fe0351 > > > > 46e4fd28cc537ba700eb4f5652abf043fed4d76d M drivers > > > > The config file for that kernel is attached as are the kernel log for > > booting that kernel and the bisect log. > > > > I've also noticed that it takes much longer for icons to appear on my > > desktop when I plug a usb storage device in. (The icons are shown/hidden > > by a simple sctript that is run via udev when the device is > > attached/detached.) > > Do you believe that this is the same period? 20 seconds? > Thanks for the reply, Andrew. I was beginning to think that I'd committed an LKML sin :-) Yes, it is about the same. On 2.6.25.4 (and earlier), the icons appear within a second or two, but with 2.6.26-rc2 or later, it takes about 20 seconds. I've now built and installed -rc5 and am seeing the same behaviour. I've also built -rc5 on my laptop. On that my kernel uses the older IDE drivers rather than libata. The boot proceeds with no pause, but I do see the same delay in the desktop icons appearing when I attach a usb-storage device. > > Let me know of any way I can help solve this. > > > > Please cc me to any reply as I'm not subscribed. > > cc's added. > > Rafael, we might need to track this as a post-2.6.26 regression. -- Beauty is in the eye of the beerholder. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/