From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Odd behaviour of device in response to idleimmediate with unload Date: Mon, 17 Nov 2008 16:19:59 +0900 Message-ID: <49211B1F.7040900@kernel.org> References: <491083CC.5050508@rtr.ca> <49108AA0.1080507@rtr.ca> <491090BC.5060403@rtr.ca> <20081104185444.3BE721FDF7@chi.die-welt.net> <4910A509.1030307@rtr.ca> <49116811.5000109@kernel.org> <873ai6cmio.fsf@denkblock.local> <4911A8EA.8030605@kernel.org> <87k5bhxerq.fsf@denkblock.local> <4913BF3D.3090704@kernel.org> <20081107074857.GA6461@dragonheart.kerker.die-welt.net> <4917F822.5060204@kernel.org> <20081110102607.094281FD7C@chi.die-welt.net> <87r65ju83r.fsf@denkblock.local> <20081113113345.12E2D1FD80@chi.die-welt.net> <491FEA3C.4090906@kernel.org> <20081117071552.D25291FD5F@chi.die-welt.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from hera.kernel.org ([140.211.167.34]:37743 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751945AbYKQHUX (ORCPT ); Mon, 17 Nov 2008 02:20:23 -0500 In-Reply-To: <20081117071552.D25291FD5F@chi.die-welt.net> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Evgeni Golov Cc: Elias Oltmanns , Mark Lord , linux-ide@vger.kernel.org, Alan Cox Evgeni Golov wrote: > On Sun, 16 Nov 2008 18:39:08 +0900 Tejun Heo wrote: > >> So, this comes before actually issuing the park. It sounds like it has >> nothing to do with park command itself. If you do "echo - - - > >> /sys/class/scsi_host/host0/scan" right after boot, what does the kernel say? > > # echo - - - > /sys/class/scsi_host/host0/scan > echo: write error: invalid argument Eh... strange. It works perfectly fine here. Can you play with quoting and -n? -- tejun