From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: timeout during sas discovery (aic94xx) Date: Mon, 28 Aug 2006 22:44:08 -0700 Message-ID: <44F3D428.60705@us.ibm.com> References: <20060828231832.GA1037@us.ibm.com> Reply-To: "Darrick J. Wong" Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from e5.ny.us.ibm.com ([32.97.182.145]:55493 "EHLO e5.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1751196AbWH2FoL (ORCPT ); Tue, 29 Aug 2006 01:44:11 -0400 Received: from d01relay02.pok.ibm.com (d01relay02.pok.ibm.com [9.56.227.234]) by e5.ny.us.ibm.com (8.13.8/8.12.11) with ESMTP id k7T5iBKB027923 for ; Tue, 29 Aug 2006 01:44:11 -0400 Received: from d01av04.pok.ibm.com (d01av04.pok.ibm.com [9.56.224.64]) by d01relay02.pok.ibm.com (8.13.6/8.13.6/NCO v8.1.1) with ESMTP id k7T5iBHr288808 for ; Tue, 29 Aug 2006 01:44:11 -0400 Received: from d01av04.pok.ibm.com (loopback [127.0.0.1]) by d01av04.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k7T5iALD024867 for ; Tue, 29 Aug 2006 01:44:11 -0400 In-Reply-To: <20060828231832.GA1037@us.ibm.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org, andmike@us.ibm.com, alexisb@us.ibm.com malahal@us.ibm.com wrote: > Here are the messages when a task timeout occurs while doing DISCOVERY. > I am running "modprobe aic94xx" and "modprobe -r aic94xx" in a loop on a > maia system with VITESSE expanders. The problems happens after a few > iterations (7-20 iterations). Were were hoping that James phy_reset > patch would fix this but the patch didn't seem to help. Uh... I don't think that phy_reset function ever gets called. My ten-second grep of the libsas/aic94xx code doesn't yield and takers. Maybe one of those functions that gets called after time index 575.791 should be doing that? --D