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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9712CC4332F for ; Thu, 15 Dec 2022 09:09:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RWT7FE/qP51MXHSJaaySMvVAn34BMqvS3MMgCFrZbx4=; b=J7q2BZrkClHjX+RYP3u+i+NGxD pN/Vw24JJfF47dvz+Ub5BlegKUEaB4nVwOGqzXDBpdbgusH9FmBeu2SE0df/L2N1vCtPKRwH9yVyO GcDgJm9WPFFZSXsafEG3bMK6S71FQLGrkxWTHQ/BNoTsDD0ikiiL/SEVKqdBFkbDp+EJaIbRiPbQf GTnVknhzJZqPtcS0mBwVj3+EDRjAMAjHF51UHJ/uQ/8iy0FOGRsRLkAwf9nZZCLbCdozRxMNm1qgq YMKwuVVbWRzYD3UEX99l14cb6pjwRBKeOPhxJ4IoVHJj2Cik6CN1A+4TsMfaxpDKhRossfYtGFQOR hwCcvt6Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p5kFS-0084LQ-Oz; Thu, 15 Dec 2022 09:09:50 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p5kFO-0084IH-58 for linux-nvme@lists.infradead.org; Thu, 15 Dec 2022 09:09:48 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id 3205468AA6; Thu, 15 Dec 2022 10:09:42 +0100 (CET) Date: Thu, 15 Dec 2022 10:09:41 +0100 From: Christoph Hellwig To: "J. Hart" Cc: Christoph Hellwig , linux-nvme@lists.infradead.org, kbusch@kernel.org, axboe@fb.com, sagi@grimberg.me Subject: Re: nvme nvme0: I/O 0 (I/O Cmd) QID 1 timeout, aborting, source drive corruption observed Message-ID: <20221215090941.GA5062@lst.de> References: <20221215082344.GB3816@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221215_010946_370032_3C080F3A X-CRM114-Status: GOOD ( 13.19 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Thu, Dec 15, 2022 at 06:07:32PM +0900, J. Hart wrote: > My apologies....I am not sure what is meant by "stay DMAs". Is there > something I can look for here ? I mean stray, sorry. There isn't really anything you can look for. Either it really is a device problem, in which case the IOMMU should catch it. Or it is a kernel problem somewhere, in which case CONFIG_KASAN would catch. So maybe enable that as well, but it will slow down the kernel a LOT.