From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stan Hoeppner Subject: Re: Drives missing at boot Date: Sat, 03 Jul 2010 13:56:01 -0500 Message-ID: <4C2F87C1.8000701@hardwarefreak.com> References: <4C2F5ECB.1040505@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mo-65-41-216-221.sta.embarqhsd.net ([65.41.216.221]:54572 "EHLO greer.hardwarefreak.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755621Ab0GCTDF (ORCPT ); Sat, 3 Jul 2010 15:03:05 -0400 In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Knecht Cc: Tejun Heo , Linux Kernel List , "linux-ide@vger.kernel.org" Mark Knecht put forth on 7/3/2010 11:06 AM: >>> I have a newish machine - maybe 3 months old - which unreliably >>> finds its disk drives at each boot. Probably 40% of the time booting 1 >>> or more drives will be missing. Please provide the make/model of the PC. If it's whitebox or DIY please provide make/model of PSU, mobo and CPU. How many USB peripherals are powered by the PC? Are you powering a water cooling loop pump from the PC's power supply? Is this PC in a temperature controlled environment (A/C)? -- Stan