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 38322C04AB0 for ; Wed, 20 Sep 2023 16:36:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234463AbjITQgj (ORCPT ); Wed, 20 Sep 2023 12:36:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42120 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234691AbjITQgh (ORCPT ); Wed, 20 Sep 2023 12:36:37 -0400 Received: from mail-pl1-f173.google.com (mail-pl1-f173.google.com [209.85.214.173]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89FEBDD; Wed, 20 Sep 2023 09:36:31 -0700 (PDT) Received: by mail-pl1-f173.google.com with SMTP id d9443c01a7336-1bf6ea270b2so54271885ad.0; Wed, 20 Sep 2023 09:36:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695227791; x=1695832591; 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=K0e1vGnR7MOfjg1C83c5zP7mELiJp8sjdSUZ0Nn1mgM=; b=jhiZshkSVpn0tQfWvWyb7QGCznzHYq74B57e3m0anPkHj583jQLYuElPxbX0VYCCav q+FfoHAIT3hMogM4OMEvtZQ7eQqA0qzKJtOQGMACzCF5eBES92PlxfNe8fLuB3NaaEkx M37KCWdpTmFD+XuHHJDV29xC3lwnFp4biGmuFTsvhDIqWrv5NJ3owMHhhs4myz4fpjD1 xWqL4MkA5lYGasxHVMa4GL+fmB1tOxG6lLuFvtXM/ITq1t0KszibvuJLEqA0EdOQt8ib 1FCz9P55iUmGyN6CTmJqMD0HFMb+V3oM+5t9cbR4PiAHsg/J0D9+KCuFWp7F03TNM3bx oT1A== X-Gm-Message-State: AOJu0Yz5oH5t4WSsh3pQvn25qm4BZQGYzEuNVhYwB8MNeR2fU0UUv810 BHtcThQ5Mc5/effBDkJYeVmVOA6pGWE= X-Google-Smtp-Source: AGHT+IEaJD3FL2L7U/68lukE3lCi0BubucZkw+pqMoNICp9zAgci8lsy/QIVOuglR08oPYR1pmSRvQ== X-Received: by 2002:a17:902:d2c2:b0:1b8:c6:ec8f with SMTP id n2-20020a170902d2c200b001b800c6ec8fmr3839103plc.46.1695227790829; Wed, 20 Sep 2023 09:36:30 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:b0c6:e5b6:49ef:e0bd? ([2620:15c:211:201:b0c6:e5b6:49ef:e0bd]) by smtp.gmail.com with ESMTPSA id u10-20020a170902b28a00b001bc45408d26sm1189477plr.36.2023.09.20.09.36.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 Sep 2023 09:36:29 -0700 (PDT) Message-ID: <6fc3b524-af7d-43ce-aa05-5c44ec850b9b@acm.org> Date: Wed, 20 Sep 2023 09:36:28 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [bug report] blktests srp/002 hang Content-Language: en-US To: Bob Pearson , Zhu Yanjun , Shinichiro Kawasaki Cc: "linux-rdma@vger.kernel.org" , "linux-scsi@vger.kernel.org" References: <0c5c732c-283c-b29a-0ac2-c32211fc7e17@gmail.com> <8be8f611-e413-9584-7c2e-2c1abf4147be@acm.org> <18a3ae8c-145b-4c7f-a8f5-67840feeb98c@acm.org> <9dd0aa0a-d696-a95b-095b-f54d6d31a6ab@linux.dev> <5a4efe6f-d8c6-84ce-377e-eb64bcad706c@linux.dev> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org On 9/20/23 09:24, Bob Pearson wrote: > The verbs APIs do not make real time commitments. If a ULP fails > because of response times it is the problem in the ULP not in the > verbs provider. I think there is evidence that the root cause is in the RXE driver. I haven't seen any evidence that there would be any issues in any of the involved ULP drivers. Am I perhaps missing something? Bart.