From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 3B696298CB6 for ; Thu, 3 Jul 2025 08:04:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751529855; cv=none; b=HJItf4u3c9SbL4YdQ99rXrqilBa3KecOt7fht6/AFoD/glkuMf2PBX7mY9K2I7/qPPPK03L7dD+O6vP3hUinnCsMBDQ/sjA6xRdNIrGmPTmaYbLPG1lEMTPUq30o32vvXd2mkQ8tTS5tsXmaETyR2BG4Vci0vQMwDmt0sNa6iZw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751529855; c=relaxed/simple; bh=bFMLsYx9yg/hn/nQJiMEvuhnsiGy591NtU5BpNmy/po=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=jWC36TjiZnB6CZKbQbude2HV9WBDCtWeggGFlGbyTg+QYCc1GKM++t1SKaKsUThwUBYUo+EUfr6WJnfoW3WFaR0ZmNTXrhviSq0XYY4CZZ6nJR1LUkmK+GfVV66K3VeqN33BMEm0UTfDWWarJTsTvYQ1P+4NmyoKvkjmPmppfSQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 3E7D168B05; Thu, 3 Jul 2025 10:04:00 +0200 (CEST) Date: Thu, 3 Jul 2025 10:03:59 +0200 From: Christoph Hellwig To: alan.adamson@oracle.com Cc: Yi Zhang , linux-block , "open list:NVM EXPRESS DRIVER" , Christoph Hellwig , John Garry Subject: Re: [bug report] nvme4: inconsistent AWUPF, controller not added (0/7). Message-ID: <20250703080359.GA365@lst.de> References: <6e74e9a8-2dbb-4ad4-a48b-9af40d6af711@oracle.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6e74e9a8-2dbb-4ad4-a48b-9af40d6af711@oracle.com> User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Jul 02, 2025 at 09:33:32AM -0700, alan.adamson@oracle.com wrote: > Looks like the device isn't reporting AWUPF after the format/reset. The other option would be that the format changed the value. The mess NVMe creasted with the totally un-thought out atomics is beyond belive :( I wonder if we should just back out the whole thing and wait for the working group to come up with something that can actually safely work.