Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760101Ab2HXTeX (ORCPT ); Fri, 24 Aug 2012 15:34:23 -0400 Received: from mail-wi0-f178.google.com ([209.85.212.178]:36583 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756512Ab2HXTeT (ORCPT ); Fri, 24 Aug 2012 15:34:19 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Fri, 24 Aug 2012 15:34:18 -0400 Message-ID: Subject: Re: Possible mptsas regression post 3.5.0 From: John Drescher To: LKML Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1144 Lines: 27 On Thu, Aug 23, 2012 at 1:34 PM, John Drescher wrote: > Over the last few weeks I have done some reliability testing with > mdraid6 on a machine with 2 lsi mptsas controllers and 13 SATA I > drives. My testing involved physically hot removing a drive forcing > the raid to grab a spare and rebuild. This worked great for the 5 or > so times I did this on gentoo-sources-3.5.0 and lower. However any > attempt to do this on gentoo-sources-3.5.1 or even the 3.6-rc2 git > resulted in a total lockup of the array. I originally thought this was > a mdadm regression and posted about that last week here: > > https://lkml.org/lkml/2012/8/17/503 > I have bisected the kernel a few times now and the problem was introduced between 3.5.0.00007-ged29dbd 3.5.0.00015-g4d9157e After the raid rebuilds again I will bisect again and see if I can narrow it down to the exact patch. John -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/