From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: sata_mv port lockup on hotplug (kernel 2.6.38.2) Date: Fri, 2 Sep 2011 10:13:05 +0900 Message-ID: <20110902011305.GE2752@htj.dyndns.org> References: <20110430140109.GJ29280@htj.dyndns.org> <20110525094127.GF10146@htj.dyndns.org> <4DF20E03.9030502@teksavvy.com> <20110610140155.GJ15235@htj.dyndns.org> <4DF25526.9010800@teksavvy.com> <20110611121957.GA7980@mtj.dyndns.org> <4DF4F30B.70702@teksavvy.com> <20110613104856.GC16021@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail-yw0-f46.google.com ([209.85.213.46]:43999 "EHLO mail-yw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932809Ab1IBBNN (ORCPT ); Thu, 1 Sep 2011 21:13:13 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Bruce Stenning Cc: Mark Lord , "linux-kernel@vger.kernel.org" , "linux-ide@vger.kernel.org" , Jeff Garzik Hello, On Mon, Aug 29, 2011 at 04:49:29PM +0100, Bruce Stenning wrote: > I should mention that we are now working on kernel 2.6.39.4 (and are choosing > not to go with 3.x to limit changes as we progress towards final testing.) I don't think it would make any difference. The core EH hasn't changed for some time now. > [...] > ata4: EH complete > ata_scsi_error: EXIT > __ata_port_freeze: ata4 port frozen > ata_port_schedule_eh: port EH scheduled > ata_scsiop_noop: ENTER > ata_scsiop_read_cap: ENTER > ata_scsiop_mode_sense: ENTER > ata_scsiop_mode_sense: ENTER > ata_scsiop_mode_sense: ENTER That's weird. Another EH is scheduled after one completes but EH doesn't kick in. Hmmm... can't see how that can happen. How easily can you reproduce the problem? Thanks. -- tejun