From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: hpsa driver bug crack kernel down! Date: Wed, 09 Apr 2014 16:10:44 -0700 Message-ID: <1397085044.9519.63.camel@dabdike> References: <20140409023935.GE11839@dhcp-16-105.nay.redhat.com> <1397083799.2608.20.camel@buesod1.americas.hpqcorp.net> <1397084904.9519.62.camel@dabdike> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-15" Content-Transfer-Encoding: 7bit Return-path: Received: from bedivere.hansenpartnership.com ([66.63.167.143]:53010 "EHLO bedivere.hansenpartnership.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932996AbaDIXKp (ORCPT ); Wed, 9 Apr 2014 19:10:45 -0400 In-Reply-To: <1397084904.9519.62.camel@dabdike> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Davidlohr Bueso Cc: Baoquan He , linux-kernel@vger.kernel.org, scameron@beardog.cce.hp.com, linux-scsi On Wed, 2014-04-09 at 16:08 -0700, James Bottomley wrote: > [+linux-scsi] > On Wed, 2014-04-09 at 15:49 -0700, Davidlohr Bueso wrote: > > On Wed, 2014-04-09 at 10:39 +0800, Baoquan He wrote: > > > Hi, > > > > > > The kernel is 3.14.0+ which is pulled just now. > > > > Cc'ing more people. > > > > While the hpsa driver appears to be involved in some way, I'm sure if > > this is a related issue, but as of today's pull I'm getting another > > problem that causes my DL980 not to come up. > > > > *Massive* amounts of: > > > > DMAR:[fault reason 02] Present bit in context entry is clear > > dmar: DRHD: handling fault status reg 602 > > dmar: DMAR:[DMA Read] Request device [02:00.0] fault addr 7f61e000 > > > > Then: > > > > hpsa 0000:03:00.0: Controller lockup detected: 0xffff0000 > > ... > > Workqueue: events hpsa_monitor_ctlr_worker [hpsa] > > ... > > > > Screenshot of the actual LOCKUP: > > http://stgolabs.net/hpsa-hard-lockup-3.14+.png > > > > While I haven't bisected, things worked fine until at least until commit > > 39de65aa2c3e (April 2nd). > > > > Any ideas? > > Well, it's either a DMA remapping issue or a hpsa one. Your assertion > that everything worked fine until 39de65aa2c3e would tend to vindicate > hpsa, because all the hpsa changes went in before that under Missing crucial info: commit 1a0b6abaea78f73d9bc0a2f6df2d9e4c917cade1 > Merge: 3e75c6d b2bff6c > Author: Linus Torvalds > Date: Tue Apr 1 18:49:04 2014 -0700 > > Merge tag 'scsi-misc' of > git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi > > can you revalidate that this commit works OK just to make sure? > > James > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-scsi" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html