From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Devera Subject: Re: [PATCH]: Fusion-MPT slowness workaround Date: Wed, 02 Nov 2005 11:18:09 +0100 Message-ID: <43689261.2070802@cdi.cz> References: <200511012227.jA1MRvg01220@unix-os.sc.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from www1.cdi.cz ([194.213.194.49]:51638 "EHLO www1.cdi.cz") by vger.kernel.org with ESMTP id S1751538AbVKBKS0 (ORCPT ); Wed, 2 Nov 2005 05:18:26 -0500 In-Reply-To: <200511012227.jA1MRvg01220@unix-os.sc.intel.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Chen, Kenneth W" Cc: "'Moore, Eric Dean'" , bstroesser@fujitsu-siemens.com, rupert@aquabolt.com, linux-scsi@vger.kernel.org Chen, Kenneth W wrote: > Moore, Eric Dean wrote on Tuesday, November 01, 2005 2:09 PM > >>On Tuesday, November 01, 2005 2:39 PM, Chen, Kenneth W wrote: >> >>>>I've added spin-lock to control domain validation, and >>>>alternate controller bringup which are occuring at the same time, >>>>and causing dv to fail. Thanks to Kenneth Chen and Bodo Stroesser. >>> >>>With the patch, Kernel hung at boot (2.6.14 is used). >>> >> >>Try this patch instead. Use it over 2.6.14, not over the >>previous post. >> >>This patch is one that Bodo provided. Let me know the results. > > Looks OK, kernel boots and DV appears to be running correctly. Not here. Both performance*patch patches boot ok here but I/O remains slow in both cases. I double checked against mixing patches but only disabling DV works here. Tested with 2.6.14 kernel, no modules. regards, Martin