Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161241AbaDJWhp (ORCPT ); Thu, 10 Apr 2014 18:37:45 -0400 Received: from g4t3427.houston.hp.com ([15.201.208.55]:51115 "EHLO g4t3427.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161061AbaDJWhm (ORCPT ); Thu, 10 Apr 2014 18:37:42 -0400 Message-ID: <1397169459.2608.61.camel@buesod1.americas.hpqcorp.net> Subject: Re: [PATCH] hpsa: fix uninitialized trans_support in hpsa_put_ctlr_into_performant_mode() From: Davidlohr Bueso To: scameron@beardog.cce.hp.com Cc: James Bottomley , Bjorn Helgaas , Baoquan He , "linux-kernel@vger.kernel.org" , linux-scsi , "linux-pci@vger.kernel.org" , Joerg Roedel , "open list:INTEL IOMMU (VT-d)" , Jiang Liu Date: Thu, 10 Apr 2014 15:37:39 -0700 In-Reply-To: <20140410221704.GA22465@beardog.cce.hp.com> References: <20140410221704.GA22465@beardog.cce.hp.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4 (3.6.4-3.fc18) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2014-04-10 at 17:17 -0500, scameron@beardog.cce.hp.com wrote: > Without this, you'll see a null pointer dereference in > hpsa_enter_performant_mode(). So I'm not surprised that this patch doesn't solve the problem I am seeing with DMAR and the hpsa driver hard lockup. In any case it should address Baoquan's original report, so it confirms that it is in fact two different sets of issues. -- 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/