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 3F8E0CDB474 for ; Tue, 17 Oct 2023 21:18:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232068AbjJQVSZ (ORCPT ); Tue, 17 Oct 2023 17:18:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229459AbjJQVSY (ORCPT ); Tue, 17 Oct 2023 17:18:24 -0400 Received: from mail-pg1-f169.google.com (mail-pg1-f169.google.com [209.85.215.169]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D31CBC6; Tue, 17 Oct 2023 14:18:22 -0700 (PDT) Received: by mail-pg1-f169.google.com with SMTP id 41be03b00d2f7-578d0dcd4e1so3721605a12.2; Tue, 17 Oct 2023 14:18:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697577502; x=1698182302; 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=bQ82Bm7evAjsL/13PLp78PKiqovnxu/zB5FMTkae+bI=; b=iHO6d/wxOO0FFq0k53YVXJkoAnqG0rh7sHM8QWxAllLG9+ump3wn8e0ymfaOqTisQx zgomsdn7THhCXyQhl0vBGYShddtUDhKSu7wXWHxjvpLy38TOuyLIM/InnGA5QipDfPDS u5Xhd7Pbd5OyhrA7VXBlTuLXvT+GWzNSfjrcYs78j7DSqHKlzs2mchjBis89YEltkEdd xwCOWJoexViVlvsdS5fe2kPn2zYLja6GTDGdVngdYX26dQcgyg993eHP/lvBAyvCPBpO tBHS0ZaKsagpAqiqixoi0zCeXw6386oevAO5M3zF+wDMlnUoojw1NW1LL84Hi/LVksBD TqVA== X-Gm-Message-State: AOJu0YxcqADVLijwTqO41X3I8lZhFz2LndoFERFIHX8iSoe3R9aswL/w 6RFd04JDhwFIzdxYLVdei0o= X-Google-Smtp-Source: AGHT+IH5qc+IN0AUHe2oW/f8CG3Kh/fBdM2mrxXk3FM/9FpSBtoVNEIqZAkV3tLp81qOKobkf7R+cA== X-Received: by 2002:a05:6a21:7906:b0:179:f858:784d with SMTP id bg6-20020a056a21790600b00179f858784dmr3249538pzc.21.1697577502130; Tue, 17 Oct 2023 14:18:22 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:8f02:2919:9600:ac09? ([2620:15c:211:201:8f02:2919:9600:ac09]) by smtp.gmail.com with ESMTPSA id jf22-20020a170903269600b001c71ec1866fsm2045225plb.258.2023.10.17.14.18.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 17 Oct 2023 14:18:21 -0700 (PDT) Message-ID: <02cd10fd-fd4a-4ad7-9b1d-6d37b070aacf@acm.org> Date: Tue, 17 Oct 2023 14:18:20 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [bug report] blktests srp/002 hang Content-Language: en-US To: Bob Pearson , Jason Gunthorpe Cc: "Daisuke Matsuda (Fujitsu)" , 'Rain River' , Zhu Yanjun , "leon@kernel.org" , Shinichiro Kawasaki , RDMA mailing list , "linux-scsi@vger.kernel.org" References: <8aff9124-85c0-8e3b-dc35-1017b1540037@gmail.com> <3c84da83-cdbb-3326-b3f0-b2dee5f014e0@linux.dev> <4e7aac82-f006-aaa7-6769-d1c9691a0cec@gmail.com> <29c5de53-cc61-4efc-8e8d-690e27756a16@acm.org> <20231017175821.GG282036@ziepe.ca> <8801fc68-0e8e-4bb1-acaa-597bf72a567d@gmail.com> <20231017185139.GA691768@ziepe.ca> <08a8d947-25b5-434c-9ba3-282d298b5bfd@acm.org> 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 10/17/23 14:14, Bob Pearson wrote: > All the active threads are just the same and are all waiting for > an io to complete from scsi. No threads are active in rxe, srp(t) > or scsi. All activity appears to be dead. Is this really a clue? I have seen such backtraces many times. All such a backtrace tells us is that something got stuck in a layer under the filesystem. It does not tell us which layer caused command processing to get stuck. Bart.