From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from 008.lax.mailroute.net (008.lax.mailroute.net [199.89.1.11]) (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 7D13259164 for ; Mon, 13 May 2024 13:20:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715606456; cv=none; b=pLLlfM7jbYqPomhsxYeqsjD/yWgy6hNfZBmtVCY/2BXTYYzxll9O7AU9UI7Rhlnl2/x/J0jh5Xsi+n4vRvPGI2jjKaWtRLcSSzzkQuKnlGnBFriIwL+1UVxBk47dWNG8fHNaP2N6l5aM6pEO2h6JPXs0ZTu4dBrB2yhq8IpxrbY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715606456; c=relaxed/simple; bh=BtnenyGwdg4w4SjJchp+S5iHbnPU01REwzEGJnYh5Qs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=roV7rdsDEHC6mn/HGnUBhi3AE769b2X+Alo19cbSlgQQfq1WML457we8T4IH4j+W2VahB93/f7TzqDNgSG6V43uG0POe27epVX+Y/DbzuVcjZcQhM2qbtLBQDMa/SRbNY9pGjTwz8OtVpxizfvw260DlaCt7hFQ3Lw82i8jHqi4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=zol+a5kI; arc=none smtp.client-ip=199.89.1.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="zol+a5kI" Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4VdKqp6Knvz6Cnk90; Mon, 13 May 2024 13:20:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1715606452; x=1718198453; bh=BtnenyGwdg4w4SjJchp+S5iH bnPU01REwzEGJnYh5Qs=; b=zol+a5kIy6db68/TborYLrGPM7l51ePChRpy0WFI 1mShMlKNiZ0c4TiIfblp22KL/XXJI2B7O5Wibo9TbZch1HaMclhKQWepI7w9Ynjm INW2JPfYQEOvP3hYlptt8cDXfh920/OujAnIwGa2VbWdkNtHFjvop3X05k3Ej0b8 ahKbxwcEpw+tB49NkyrbY2I51ba0FZhxuWdrUBd9b2RFITLQNsU6TzrBtQMigmfQ XNazSHWRq2qgCn/BgcAdm1hJnq9WbvNySAUtgFCZ93mT8S7t2izJvQUYTyl1F6OT lch0qZUtgtNZSJlO6S2RRl/0Sj1BEiICvKQloGEygH2b8Q== X-Virus-Scanned: by MailRoute Received: from 008.lax.mailroute.net ([127.0.0.1]) by localhost (008.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id CJ-XaVugca2i; Mon, 13 May 2024 13:20:52 +0000 (UTC) Received: from [172.20.0.79] (unknown [8.9.45.205]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 008.lax.mailroute.net (Postfix) with ESMTPSA id 4VdKqm0f26z6Cnk8s; Mon, 13 May 2024 13:20:51 +0000 (UTC) Message-ID: Date: Mon, 13 May 2024 07:20:50 -0600 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [bug report] block nbd0: Unexpected reply (15) 000000009c07859b To: Vincent Chen Cc: Jens Axboe , linux-block@vger.kernel.org, Christoph Hellwig , Josef Bacik References: <2786c4cb-86ad-42bb-8998-4d8fe6a537a4@acm.org> Content-Language: en-US From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable On 5/12/24 18:59, Vincent Chen wrote: > Thank you very much for providing the fixed patches. I applied them to=20 > my environment, but unfortunately, I still encountered similar issues. >=20 > [ =C2=A0 96.784384] block nbd0: Double reply on req 00000000619eb9fb,=20 > cmd_cookie 51, handle cookie 49 > [ =C2=A0 96.847731] block nbd0: Dead connection, failed to find a fallb= ack > [ =C2=A0 96.848661] block nbd0: shutting down sockets Hi Vincent, Thank you for having tested my patches. I will try to reproduce your test environment and take a closer look as soon as I have the time (probably early next week). Bart.