Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760776Ab2FGRJx (ORCPT ); Thu, 7 Jun 2012 13:09:53 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:48392 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754204Ab2FGRJv (ORCPT ); Thu, 7 Jun 2012 13:09:51 -0400 Date: Thu, 7 Jun 2012 18:13:05 +0100 From: Alan Cox To: Andi Kleen Cc: Matthew Garrett , Khalid Aziz , linux-kernel@vger.kernel.org, bhelgaas@google.com, linux-pci@vger.kernel.org Subject: Re: [PATCH] Disable Bus Master on PCI device shutdown Message-ID: <20120607181305.2c444be6@pyramind.ukuu.org.uk> In-Reply-To: References: <20120427190033.GA17588@ldl.usa.hp.com> <20120606135009.GB1517@srcf.ucam.org> <20120606215034.257d7549@pyramind.ukuu.org.uk> X-Mailer: Claws Mail 3.8.0 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 505 Lines: 13 > But it also makes my system do kexec successfully for the first time. > > Maybe can make it an option. More useful might be to report which devices have the bus master bit left on at the time you tried the kexec, then we might actually find the bug. Alan -- 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/