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[209.132.180.67]) by mx.google.com with ESMTP id z15si3538368oic.269.2020.02.29.07.24.35; Sat, 29 Feb 2020 07:25:22 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727131AbgB2PTp (ORCPT + 99 others); Sat, 29 Feb 2020 10:19:45 -0500 Received: from outgoing-auth-1.mit.edu ([18.9.28.11]:60393 "EHLO outgoing.mit.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727085AbgB2PTp (ORCPT ); Sat, 29 Feb 2020 10:19:45 -0500 Received: from callcc.thunk.org ([156.39.10.47]) (authenticated bits=0) (User authenticated as tytso@ATHENA.MIT.EDU) by outgoing.mit.edu (8.14.7/8.12.4) with ESMTP id 01TFJ95N008890 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 29 Feb 2020 10:19:11 -0500 Received: by callcc.thunk.org (Postfix, from userid 15806) id B8D2742045B; Sat, 29 Feb 2020 10:19:07 -0500 (EST) Date: Sat, 29 Feb 2020 10:19:07 -0500 From: "Theodore Y. Ts'o" To: Russell King - ARM Linux admin Cc: Olof Johansson , Jon Nettleton , Andreas Dilger , "mark.rutland@arm.com" , Lorenzo Pieralisi , "arnd@arndb.de" , "m.karthikeyan@mobiveil.co.in" , "linux-pci@vger.kernel.org" , "Z.q. Hou" , "l.subrahmanya@mobiveil.co.in" , "will.deacon@arm.com" , "linux-kernel@vger.kernel.org" , Leo Li , "M.h. Lian" , Xiaowei Bao , "catalin.marinas@arm.com" , "bhelgaas@google.com" , "andrew.murray@arm.com" , "shawnguo@kernel.org" , Mingkai Hu , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCHv9 00/12] PCI: Recode Mobiveil driver and add PCIe Gen4 driver for NXP Layerscape SoCs Message-ID: <20200229151907.GA7378@mit.edu> References: <20191120034451.30102-1-Zhiqiang.Hou@nxp.com> <20200110153347.GA29372@e121166-lin.cambridge.arm.com> <20200210152257.GD25745@shell.armlinux.org.uk> <20200229095550.GX25745@shell.armlinux.org.uk> <20200229110456.GY25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200229110456.GY25745@shell.armlinux.org.uk> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Feb 29, 2020 at 11:04:56AM +0000, Russell King - ARM Linux admin wrote: > > Could it be a race condition, or some problem that's specific to the > ARM64 kernel that's provoking this corruption? Since I got brought in mid-way through this discussion, can someone summarize the vital details of the bughunt? What kernel version is involved, and is this a regression? If so, what's the last version of the kernel where you didn't have a problem on this hardware? Can you trigger this failure reliably? Unfortunately, while I'm regularly running xfstests on x86_64 on a Google Compute Engine VM, I'm not doing any runs on arm64. I can certainly build an arm-64. There's a test-appliance designed to be run on ARM64 here[1]. [1] https://kernel.org/pub/linux/kernel/people/tytso/kvm-xfstests/xfstests-amd64.tar.xz which is a Debian chroot, designed to be run via android-xfstests[2], but if you unpack it, it should be possible to enter the chroot and trigger the xfstests run manually on any arm64 system. [2] https://thunk.org/android-xfstests Does anyone know if kernel CI is running xfstests regularly? Cheers, - Ted