From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Paul Check" Subject: Re: Drives missing at boot Date: Mon, 19 Jul 2010 23:14:25 -0400 Message-ID: <7141c88bc8c27f26c2187252c0594318.squirrel@thechecks.ca> References: <4C2F5ECB.1040505@kernel.org> <4C2F61AB.9030806@kernel.org> <4C317C04.20500@kernel.org> <4C32CE50.6010501@kernel.org> <4C341598.6040004@kernel.org> <4C34A1D5.1090202@kernel.org> <4C34B8BE.5080504@kernel.org> <4C44BD42.3030904@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Return-path: Received: from d72-38-7-254.commercial1.cgocable.net ([72.38.7.254]:4409 "EHLO max" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757941Ab0GTDO3 (ORCPT ); Mon, 19 Jul 2010 23:14:29 -0400 In-Reply-To: <4C44BD42.3030904@kernel.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Mark Knecht , Linux Kernel List , "linux-ide@vger.kernel.org" Hey Tejun: I guess this is the same patch that you sent me to fix my issue with missing drives. Good news: I've been through about 10 reboots now and no problems. Based on my prior experience, I'd say with the old setup, 10 clean boots in a row was probably less than a 1% event. So, it seems that this has fixed my problem. Thanks! Regards, Paul > Hello, > > On 07/19/2010 09:31 PM, Mark Knecht wrote: >> With about 10-12 day of testing, 1-2 boots/day, I've not had a >> single boot failure since adding the patch. Only twice has it said >> tries=2. Every other time it's tries=1. The machine seems to work fine >> either way. > > Hmmm... can you please test the attached patch instead? It seems > likely that the root cause is not flakiness of SIDPR but incorrect > locking in libata EH code. > > Thanks. > > -- > tejun >