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 B645CC6FD1D for ; Tue, 21 Mar 2023 08:56:32 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5s2Yumf5Kngh+tkGzYfQ7Mu6CM8tGxQHFGYngiihKl4=; b=aEn/3LzZ5bi1WZCiYomb4Ppkow zw2VCfsCJ5CKCSM4vQm3RGY7vUqeACpIdFzqRDdkboPN5BXp8BIRZzAjocDn1n6XyPrMlk9DEe6gL QuXrDaImVobsTmy9u3KVFBnJuWW+NGMZlD9HrsL6ddVvL4N8hlsbQzlZBYce02P51NzA2bhkDhzjZ Fy1t5LSwFuetYoF2vZsvw4DJnspWvkpxtco6TO5S1ZeUs/g2PCBpSku9bEXagApOpKIlGuKaVDcpj xmcC/BOr9DZtFiUzSdCII347I1pznz25wejC3G02/5NAX2EtUOilYkhbill6R+UAJNdBKhEcrSF6i 8/fUR0pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1peXnA-00Bnzp-2h; Tue, 21 Mar 2023 08:56:28 +0000 Received: from mail-ed1-f52.google.com ([209.85.208.52]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1peXn7-00BnyV-2d for linux-nvme@lists.infradead.org; Tue, 21 Mar 2023 08:56:26 +0000 Received: by mail-ed1-f52.google.com with SMTP id h8so56708079ede.8 for ; Tue, 21 Mar 2023 01:56:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679388983; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5s2Yumf5Kngh+tkGzYfQ7Mu6CM8tGxQHFGYngiihKl4=; b=MoBhwhuwZRGgjRPP3ybeE4PkCnq3qJ3fK5L7ujMIomJB6DzQkSep84pPsknLmN3X0w C5W973nKa5z/wh2LecyoKWQBaQl3c0wL4XSSYX8MC8SX56BDNEJWnZu03J2I9/l5dTGj iEAcXKdWeAPZJW6oRNh/qBqVwnFDPqAsVintK9EA3DcNOKvB8tm71ybhDHc6eJcNhMTa Fhvrb3yuV4jNg03BFFZDwKo22dp+o0y2QQa5BmtTh63HL326uCSPwN+UYkYXvhjuyN3j tsmYrNKXJWE1Jlh627b9GDCJTSsy/Oo9EiLgSCyKLdGxdcAtUawvTJV845kxeyQw+Tiu U0mQ== X-Gm-Message-State: AO0yUKXFz+C51OqVl13WuD9o9Xo498b3b17B8myG0OQye3vZEGAmcuT/ dhkBJlrq1/Y/cW2Fq5VoWzgLVZbis0w= X-Google-Smtp-Source: AK7set9Cl/WN9qXnYwZxINeuMQ7rGyASgbxfsPafXxY2vJ7SFHFClXGM6mCY4B6xfaVKiGfQSPaSfw== X-Received: by 2002:a17:906:2081:b0:8d2:78c5:1d4e with SMTP id 1-20020a170906208100b008d278c51d4emr1927178ejq.5.1679388982879; Tue, 21 Mar 2023 01:56:22 -0700 (PDT) Received: from [10.100.102.14] (85.65.253.165.dynamic.barak-online.net. [85.65.253.165]) by smtp.gmail.com with ESMTPSA id r4-20020a1709062cc400b009353047c02dsm1839343ejr.167.2023.03.21.01.56.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 21 Mar 2023 01:56:22 -0700 (PDT) Message-ID: Date: Tue, 21 Mar 2023 10:56:21 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.8.0 Subject: Re: nvme-tcp: kernel NULL pointer dereference, address: 0000000000000034 Content-Language: en-US To: Daniel Wagner Cc: Keith Busch , "Belanger, Martin" , "linux-nvme@lists.infradead.org" References: <32741f55-f5aa-cd59-351c-df87ee2b2818@grimberg.me> <6232d774-bc94-fae8-bab9-7151fde4f719@grimberg.me> <20230321082308.n6ed7ieu5jdb2gj4@carbon> <20230321084917.s5xqklrttauxilnx@carbon> From: Sagi Grimberg In-Reply-To: <20230321084917.s5xqklrttauxilnx@carbon> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230321_015625_854825_0F52B99F X-CRM114-Status: UNSURE ( 8.64 ) X-CRM114-Notice: Please train this message. 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 >>> Thoughts? >> >> It still crashes in the same way with both patches from this >> disucssion applied. > > annoted the __nvme_submit_sync_cmd: > > > [ 210.019050] nvme nvme0: rq ffff8881122a0000 bio ffff88810d8cdd00 > [ 210.022653] nvme nvme0: rq ffff8881122a0200 bio 0000000000000000 Why is the admin queue created as a polling hctx? It shouldn't be.