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 D9783CCA470 for ; Sat, 27 Sep 2025 06:29:44 +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=K+REPAt7YGROMU060Sut8pDiJmmKCZ4JFkal1RQOmGs=; b=hD+UfI1+jvJoFet7gqN+rb0g4S EhpJft+2oPxSOwmaCmI6a89PFRk1LtMF+Z2KAW1i5usiK7OTBVqL6uRz+IFUD8Lj0zildSDauuU/n xVWzAugwEtDwqhwm/Zs3ziQgaSeUESBo31u6IKu7PnO29rWGLsFcbcR/PVEK+Nl1l8cUg59K2M45+ EQ+SUVaBb/hvnZq4xwz7eSNx5bPZmdzN6/dPGsYBr+8wS7oUVpxlsXdkEumgCx7qoRPFJUsqdtqLq u2ZP0ZH01wxmuKgy7Yx/GduztAVA+l1Pcjo1axW54tnCl2BCBkvoROI3NXU+npDP1l60NoVy7haXi BAPJiUKQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1v2ORC-00000007fBn-3GkW; Sat, 27 Sep 2025 06:29:42 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1v1BbM-0000000F56j-2YSr for linux-nvme@lists.infradead.org; Tue, 23 Sep 2025 22:35:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 34F4144593; Tue, 23 Sep 2025 22:35:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 68E0DC4CEF5; Tue, 23 Sep 2025 22:35:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758666911; bh=K+REPAt7YGROMU060Sut8pDiJmmKCZ4JFkal1RQOmGs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NfvKLIECePVJSfIsLMzuzmM3Lfkth90P9jpbucNQ1bDMKtxnUUxV5JFtKuhdhpmWb Cw3GZEX3eQpIT/PWZ/yXnZMG824R5TCQPjlm98ugF9huAG8DeaThH3gkBcbwr/TZuE vm/De9fznWxi8yL9W3hbwpzVsdSjYKdJINx4sFLGsP2083YAha5J9C5fBwD4MqMtXT ir+xFYNttlpYqZZmrRAZCSLQPAaJ5po2rCCjv7hee+rH9n2nEI6G7JOlhDYZQf0/X1 1DkImokD6CqYRTWU50ZSiWc781Xdx+oofE6BqZqS50/4CeH67G98lYY+2B9ZA6UvmX 2kJmK3McZDdRg== Date: Tue, 23 Sep 2025 16:35:07 -0600 From: Keith Busch To: Jason Gunthorpe Cc: Leon Romanovsky , Marek Szyprowski , Abdiel Janulgue , Alexander Potapenko , Alex Gaynor , Andrew Morton , Christoph Hellwig , Danilo Krummrich , David Hildenbrand , iommu@lists.linux.dev, Jason Wang , Jens Axboe , Joerg Roedel , Jonathan Corbet , Juergen Gross , kasan-dev@googlegroups.com, linux-block@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-nvme@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, linux-trace-kernel@vger.kernel.org, Madhavan Srinivasan , Masami Hiramatsu , Michael Ellerman , "Michael S. Tsirkin" , Miguel Ojeda , Robin Murphy , rust-for-linux@vger.kernel.org, Sagi Grimberg , Stefano Stabellini , Steven Rostedt , virtualization@lists.linux.dev, Will Deacon , xen-devel@lists.xenproject.org Subject: Re: [PATCH v6 00/16] dma-mapping: migrate to physical address-based API Message-ID: References: <0db9bce5-40df-4cf5-85ab-f032c67d5c71@samsung.com> <20250912090327.GU341237@unreal> <20250920155352.GH10800@unreal> <20250923170936.GA2614310@nvidia.com> <20250923222216.GC2617119@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250923222216.GC2617119@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250923_153512_672128_7D673073 X-CRM114-Status: GOOD ( 10.06 ) X-Mailman-Approved-At: Fri, 26 Sep 2025 23:29:38 -0700 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 Tue, Sep 23, 2025 at 07:22:16PM -0300, Jason Gunthorpe wrote: > Very rare is a different perspective, I mis-thought it was happening > reproducible all the time.. Yes, sorry for the false alarm. I think we got unlucky and hit it on one of the first boots from testing linux-next, so knee-jerk reaction was to suspect the new code that showed up in the stack.