From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: [PATCH 2/2] fusion: Implement generic interrupt misroute handling Date: Tue, 05 Aug 2008 09:36:27 -0700 Message-ID: <1217954187.9923.15.camel@localhost.localdomain> References: <1217786709.4179.27.camel@localhost.localdomain> <660360F4F2570145BD872F298951B17A3ADCEDB9@cosmail03.lsi.com> <48970A4D.2090309@csr.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from accolon.hansenpartnership.com ([76.243.235.52]:52042 "EHLO accolon.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753816AbYHEQgi (ORCPT ); Tue, 5 Aug 2008 12:36:38 -0400 In-Reply-To: <48970A4D.2090309@csr.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: David Vrabel Cc: "Moore, Eric" , linux-scsi , linux-kernel , "linux-pci@vger.kernel.org" , "Prakash, Sathya" On Mon, 2008-08-04 at 14:55 +0100, David Vrabel wrote: > Moore, Eric wrote: > > Thanks, I will try this out. However I thought I saw lost > > interrupts occurring randomly, meaning it was not necessarily the > > first config page access. I'm back in the office on 8/11, I will > > test it out then and provide feedback. > > Is this using MSI on a device without per-vector mask bits? If so, then > this patch may help. > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ce6fce4295ba727b36fdc73040e444bd1aae64cd We don't really know what the problem is. MSI interrupts get lost on older motherboards (the ones most likely to contain a 1030). Why is anybody's guess although the clever money is on the motherboard bridge having issues. James