From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27BC7C48BE5 for ; Mon, 21 Jun 2021 09:47:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 11B5561151 for ; Mon, 21 Jun 2021 09:47:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230346AbhFUJtm (ORCPT ); Mon, 21 Jun 2021 05:49:42 -0400 Received: from foss.arm.com ([217.140.110.172]:59930 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229890AbhFUJt2 (ORCPT ); Mon, 21 Jun 2021 05:49:28 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0E3771FB; Mon, 21 Jun 2021 02:47:14 -0700 (PDT) Received: from lpieralisi (e121166-lin.cambridge.arm.com [10.1.196.255]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 932403F718; Mon, 21 Jun 2021 02:47:12 -0700 (PDT) Date: Mon, 21 Jun 2021 10:47:06 +0100 From: Lorenzo Pieralisi To: Bjorn Helgaas Cc: Thomas Petazzoni , Rob Herring , Pali =?iso-8859-1?Q?Roh=E1r?= , Bjorn Helgaas , Marek =?iso-8859-1?Q?Beh=FAn?= , Xogium , linux-pci@vger.kernel.org, Remi Pommarel , Tomasz Maciej Nowak , linux-kernel@vger.kernel.org Subject: Re: [RESEND PATCH] PCI: aardvark: Fix kernel panic during PIO transfer Message-ID: <20210621094706.GA26022@lpieralisi> References: <162322862108.3345.4160808336030929680.b4-ty@arm.com> <20210617201523.GA3104553@bjorn-Precision-5520> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210617201523.GA3104553@bjorn-Precision-5520> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 17, 2021 at 03:15:23PM -0500, Bjorn Helgaas wrote: > On Wed, Jun 09, 2021 at 09:50:39AM +0100, Lorenzo Pieralisi wrote: > > On Tue, 8 Jun 2021 22:36:55 +0200, Pali Roh�r wrote: > > > Trying to start a new PIO transfer by writing value 0 in PIO_START register > > > when previous transfer has not yet completed (which is indicated by value 1 > > > in PIO_START) causes an External Abort on CPU, which results in kernel > > > panic: > > > > > > SError Interrupt on CPU0, code 0xbf000002 -- SError > > > Kernel panic - not syncing: Asynchronous SError Interrupt > > > > > > [...] > > > > Applied to pci/aardvark, thanks! > > > > [1/1] PCI: aardvark: Fix kernel panic during PIO transfer > > https://git.kernel.org/lpieralisi/pci/c/f77378171b > > Since this fixes a panic and only affects aardvark, I cherry picked > this to my for-linus branch. > > Can you drop it, Lorenzo? It's currently the only thing on your > pci/aardvark branch, so I just dropped that whole branch from -next. I have dropped the branch from my tree as well as requested. Thanks, Lorenzo