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 33EFC3B894B; Fri, 20 Mar 2026 13:51:47 +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=1774014707; cv=none; b=fj2uAeZqz+2b+J+ssSfDAA2+v/6vWp/JiNIK3CPYpORq0RRgmOJ81vNYN9+/yJAOsX5dIdexKQcgZwz2GAucjrHknxtBYup+GHjXcKOpAPmQuqj/6FbmZm23iOunZZFkX5p0gV4ZkQdukPO54SVcyijQZcX0Ta7WAjNvSQwV/ik= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774014707; c=relaxed/simple; bh=W56nhz/OJe+engKy6ybW//z+tB6M9vtVQzHrI3fzpnE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=UXme37TxDD0eSIUiDZuUPz6AhGGOcwx/74YsRyT5QWOb2FSXyHJJ+nc6M635HuOlfHTGfUbV4E2aoXHXTEyoM+rpUfSqvqF49hbc1QBnag7FHD8wT5hWY9mqcJiz6iNo3acUinTV7+YbrQddPJFqn+4eDV/1hL98V5WT0z4WGq8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ltQbG26H; 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="ltQbG26H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4B004C2BCAF; Fri, 20 Mar 2026 13:51:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774014707; bh=W56nhz/OJe+engKy6ybW//z+tB6M9vtVQzHrI3fzpnE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ltQbG26HdfD/d3MAH9qAWMjd9pgJh5kOAEBpZyISm8lq/F8hMCNyHAZrjxfGtSYvR Lpe6E8OQo0HvZeQZ4OPm2B8gfZE+vXp5P9zRvGzqxJbYb4Q3wVhCuE04xk0woNQWMn sa+L4AdqGbacrHr90yQ/j9PZ9mwYumhbqqBEDdKKxl9+BNuqwcsqdsEFptft//0Na3 DBI1CWWnL8uv7swapW/bk/M3L/qX/2gaMx5feWSo6J568teyY/88xGhk6qT8P0g4Bn jmPNrUJ0BQaVE+G2nAvUo+YX7oW+KBzEy0CV+PRm6bKpyZ+/vtX/M+G9Na3vd2Srg8 YlYIiXHDxuUgw== Message-ID: <87878ae4-dd03-41fb-83bd-eb89809e8e37@kernel.org> Date: Fri, 20 Mar 2026 08:51:45 -0500 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [REGRESSION] Unable to pass AMD RX 6400 GPU via VFIO To: Mark Somerville , stable@vger.kernel.org Cc: regressions@lists.linux.dev, Alex Deucher , Greg Kroah-Hartman , =?UTF-8?Q?Christian_K=C3=B6nig?= , Xinhui Pan References: <1be114e1130ca59ee91fc5a73aaf43a912d408ea@qpok.net> <1ce6b64b-47e7-4e73-a73f-58bf5f5202b1@kernel.org> Content-Language: en-US From: "Mario Limonciello (AMD) (kernel.org)" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 3/20/2026 8:33 AM, Mark Somerville wrote: > [You don't often get email from mark@qpok.net. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ] > > March 20, 2026 at 11:42 AM, "Mario Limonciello" wrote: >> >> If you bisected to 8140ac7c55e75093a01c6110a2c4025fe7177c57, try adding f7afda7fcd169a9168695247d07ad94cf7b9798f. > > Ah, nice one! Just tried that and can confirm that 8140ac7c + f7afda7f resolves this problem for me. > > Also great that it's already in a later release than I have been able to test! > > Thanks a lot for the fast resolution and apologies for any noise. That's great! Not noise at all, you found a problem and we have a solution that should be added so others don't hit it. I think Sasha and Greg just need to pick it up then.