Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932174AbVKUB7Z (ORCPT ); Sun, 20 Nov 2005 20:59:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932175AbVKUB7Z (ORCPT ); Sun, 20 Nov 2005 20:59:25 -0500 Received: from mail.tmr.com ([64.65.253.246]:7040 "EHLO gaimboi.tmr.com") by vger.kernel.org with ESMTP id S932174AbVKUB7Z (ORCPT ); Sun, 20 Nov 2005 20:59:25 -0500 Message-ID: <43812C6F.1000401@tmr.com> Date: Sun, 20 Nov 2005 21:09:51 -0500 From: Bill Davidsen Organization: TMR Associates Inc, Schenectady NY User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.11) Gecko/20050729 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pavel Machek CC: bart@samwel.tk, linux-kernel@vger.kernel.org Subject: Re: Laptop mode causing writes to wrong sectors? References: <20051116181612.GA9231@knautsch.gondor.com> <20051117223340.GD14597@elf.ucw.cz> <437E215E.30500@tmr.com> <20051118232019.GA2359@spitz.ucw.cz> In-Reply-To: <20051118232019.GA2359@spitz.ucw.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1523 Lines: 49 Pavel Machek wrote: >Hi! > > > >>>Can you try some filesystem test while forcing disk spindowns via >>>hdparm? >>> >>>It may be bug in laptop mode, or a bug in ide (or something >>>related)... trying spindowns without laptopmode would be helpful. >>> >>> >>> >>I don't know if it would be helpful, but I run several servers with >>multiple drives, usually 4-5, some of which are in RAID and some aren't, >>and they all spin down and restart without problems many times a day. >>The kernel is 2.6.14.? with one patch to get my unsupported VIA IDE working. >> >>My laptop also has a spindown (five min from memory) and I have yet to >>have a problem with it. Don't know if any of that is "spindowns without >>laptopmode" in a useful sense. >> >> > >Unless you can also reproduce the failure... no, probably does not help >much. > > No, that was really the point, even on multiple systems using spindown, I have no failures. I see four possible causes: 1 - spindown 2 - laptop mode 3 - 1 + 2 4 - bad hardware, kernel not at fault Since I have a lot of (1) data I thought eliminating that as a cause by itself might be helpful. -- bill davidsen CTO TMR Associates, Inc Doing interesting things with small computers since 1979 - 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/