From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8A7363126C2; Tue, 23 Sep 2025 22:35:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758666911; cv=none; b=o11DE4qh0n6OUQ/NVp3Ig3p5symG4/OKqGj7JNPZMKayj5yNkbNveOl6T+4YOyEPi8pZtDkS7gtEBT5l5sCDhZ8L11o6vfvgHL//1Lt/VOScc6dn2A6v0Jtg5iKHRsgvJAbWCmzzyhXeXOpIr8MA2ny5hjff0KG0BuFtdZxZuyE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758666911; c=relaxed/simple; bh=K+REPAt7YGROMU060Sut8pDiJmmKCZ4JFkal1RQOmGs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SGVSv1ixIMK5NF8QkOFVTqi4vlcTY9kZ+CbdbS6Ls64tVmpulhVxdGnuuzgUOrGUbevDHdY62IdEQ+qzcbjrX7809l9kyqrFSbibe+L8kZA38nCeluQ8/XNofLElWEB0YH4u3CQud1OaWI/qE6vy+5H6x301CmSLDEo3GOpZmdE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NfvKLIEC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NfvKLIEC" 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> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250923222216.GC2617119@nvidia.com> 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.