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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CBBDC07545 for ; Tue, 24 Oct 2023 17:06:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234850AbjJXRGK (ORCPT ); Tue, 24 Oct 2023 13:06:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1343970AbjJXRGI (ORCPT ); Tue, 24 Oct 2023 13:06:08 -0400 Received: from mail-ot1-x32f.google.com (mail-ot1-x32f.google.com [IPv6:2607:f8b0:4864:20::32f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7395310E6 for ; Tue, 24 Oct 2023 10:06:02 -0700 (PDT) Received: by mail-ot1-x32f.google.com with SMTP id 46e09a7af769-6ce327458a6so2401974a34.1 for ; Tue, 24 Oct 2023 10:06:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1698167161; x=1698771961; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:references:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=ixIFJNzNxM/SU9QgAXO8brOR+1FmxuxnfimAWZmkI4Q=; b=jKa+U2jVYyl6PBLB0SFYWtkfyY7/NWnfrlAjbC8jFhtQYwv5s3azOsgTGPqDJwna1M YFuoQC4t9AriPUwiKs4Y7rDBgG8zjzUYmgofSs7rd9Fh+ZMPVAnUNfhtCjcv7O1BZzrW Ltx4dFGMrXdlWHEwLoROKi6tQCPwhiA/YVdoA/PFZbTdKxvE5IVGbRTTQmtw94F/8IzU L/vN20eGoSJB4ybOBrSfby/p+DiyqGd+OJVOI+Hb3OK5XVeR3JrAFuf0jwamBoOjUui4 FGXyv3+sXE5dOsrQtOTPcPumrd3889dx5ueXz+oMU2TTJPxJsCNty9mMkdurbW1izeSM uoZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698167161; x=1698771961; h=content-transfer-encoding:in-reply-to:from:references: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=ixIFJNzNxM/SU9QgAXO8brOR+1FmxuxnfimAWZmkI4Q=; b=bDx96FJA1jlGoq+EKk0SCGTUkd2CvccdAKvhNg891tPf/doIMYyrNxu/XsDNaCdia9 FgqcOE33mpha/IvlDNcFgPHc7SLGeW1DUJ+Yf6p6NT4pHqgWQC7FZB0jpHsF3T2COvJr ooLJBt5cGtvVPk9oYD058QT6Kj66lT9BVXCyhzMHLNUq3jQB7Aqp59A74uZ+4A4+lq5p ltdaTR6gl6drp8FYwaRHAF9WYu9ef+FEWMR0T59+FRA1NVv+wzuL6gBv6ro/Bht/7c5G BYcv2bJk5eYl7jKtgtaV9J9k5rRVORHx/yFCQV+Tnz+qubLH5vn8kpsZesahU4FKQOY1 mMnA== X-Gm-Message-State: AOJu0YyEDTqn/vXRZo0fQo/OwObRfTh5oPXikwccJ2XZ2jXDq7qVXOXd 0NzELfMLII1VWUy1DXn+Ezk= X-Google-Smtp-Source: AGHT+IEBfQ67p9KEhBwc9u+6E46phVebo01ED8USkVQQrya+zJkU2+8r5vrYVDvbOiMfkQ79YF+tRg== X-Received: by 2002:a05:6830:4104:b0:6b7:564d:f368 with SMTP id w4-20020a056830410400b006b7564df368mr8157483ott.5.1698167161606; Tue, 24 Oct 2023 10:06:01 -0700 (PDT) Received: from ?IPV6:2603:8081:1405:679b:2301:d8a4:1c8f:de7? (2603-8081-1405-679b-2301-d8a4-1c8f-0de7.res6.spectrum.com. [2603:8081:1405:679b:2301:d8a4:1c8f:de7]) by smtp.gmail.com with ESMTPSA id d13-20020a056830138d00b006b89dafb721sm1912311otq.78.2023.10.24.10.06.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Oct 2023 10:06:01 -0700 (PDT) Message-ID: Date: Tue, 24 Oct 2023 12:05:59 -0500 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: srp/002 hang in blktests Content-Language: en-US To: Bart Van Assche , linux-rdma@vger.kernel.org, jgg@nvidia.com References: <06229821-6d93-4f74-95ef-af352f101b7f@acm.org> <3e2191b7-56de-4654-936e-46fbc5828122@gmail.com> <53ede78a-f73d-44cd-a555-f8ff36bd9c55@acm.org> <119304fc-a61d-4567-8d23-edb69676fad5@acm.org> From: Bob Pearson In-Reply-To: <119304fc-a61d-4567-8d23-edb69676fad5@acm.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On 10/24/23 11:31, Bart Van Assche wrote: > On 10/23/23 13:59, Bart Van Assche wrote: >> On 10/23/23 13:41, Bob Pearson wrote: >>> On 10/23/23 15:21, Bart Van Assche wrote: >>>> On 10/23/23 11:29, Bob Pearson wrote: >>>>> Lots of work. Thanks!! Did you mean 6.6 instead of 6.5? I assume >>>>> you are running an Ubuntu 23.10 VM and not bare metal while I am >>>>> not. >>>> >>>> Yes, I meant 6.6 instead of 6.5. I'm indeed running Ubuntu 23.10 >>>> inside a VM. BTW, the test is still running and has just reached 231 >>>> iterations >>>> ... >>> >>> Very good news! Maybe we can let rxe out of the doghouse. >> >> Is there perhaps a misunderstanding? I ran my tests with the >> soft-iWARP driver. Did you run your tests with the RXE driver? > > (replying to my own email) > > With the RXE driver I see a hang after 143 iterations in the same VM > (Ubuntu 23.10 VM, v6.6-rc7 kernel with kernel debugging disabled). No > SRP paths are available so the hang is not caused by a multipathd bug: > > # lsscsi > [0:0:0:0]    cd/dvd  QEMU     QEMU DVD-ROM     2.5+  /dev/sr0 > [6:0:0:0]    disk    Linux    scsi_debug       0191  /dev/sda > > I couldn't obtain more information because kernel debugging is disabled. > But it is suspicious that this hang happens with the RXE driver and not > with the soft-iWARP driver. > > Bart. > Bart, Very interesting. But, 143 is a new record for rxe. Your siw results are consistent with what I saw. I only saw siw hangs with the debug kernel. Bob