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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 11AF3C4338F for ; Wed, 11 Aug 2021 10:30:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EB26760C3E for ; Wed, 11 Aug 2021 10:30:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237104AbhHKKas (ORCPT ); Wed, 11 Aug 2021 06:30:48 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:48592 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237048AbhHKKao (ORCPT ); Wed, 11 Aug 2021 06:30:44 -0400 Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 350E9221D1; Wed, 11 Aug 2021 10:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1628677820; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9PROUPtd8tEVskY/x6F4cQKQn0LeaTzerYxm4i+slnw=; b=zTIZyeUy8mE4QaOiuEp13YJvKZp5L8XAaUDYhhMYAHx6k1kyQ4hvY18ZvQ6TrWZMh+jdyH L3GXpO4H/jgTt9l4jZG7qpY62madXczy2FiLtK2etIFlnP+t0Sp9w4FdslWFNiWLFPrX86 RDj5gM59hmtd/daztRelmR7gfPICYaE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1628677820; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9PROUPtd8tEVskY/x6F4cQKQn0LeaTzerYxm4i+slnw=; b=2YGzMIs6bMSGM1nNVEVwRaSd49v37+r29fwBw8DUzlbZE3C1SFuGEIYZYTIoAiW0IoLOQn njjPEo2fxahy3xAg== Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 1D66E131F5; Wed, 11 Aug 2021 10:30:20 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id SkrXBrymE2G0DwAAGKfGzw (envelope-from ); Wed, 11 Aug 2021 10:30:20 +0000 Date: Wed, 11 Aug 2021 12:30:19 +0200 From: Daniel Wagner To: Sagi Grimberg Cc: Hannes Reinecke , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, James Smart , Keith Busch , Ming Lei , Wen Xiong , James Smart Subject: Re: [PATCH v4 6/8] nvme-fc: fix controller reset hang during traffic Message-ID: <20210811103019.j2smukkfseqa3qdr@carbon.lan> References: <20210802112658.75875-1-dwagner@suse.de> <20210802112658.75875-7-dwagner@suse.de> <79c89923-f586-79e7-6dfd-c15ceb21f569@suse.de> <20210804080847.bajae2twtnmccvq7@beryllium.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 10, 2021 at 06:05:04PM -0700, Sagi Grimberg wrote: > Why is there a conditional freeze? The freeze only happens if I/O queues have been created/started. If I understand this correctly, this is the corner case we were only able to establish the admin queue and fail later to setup the I/O queues. 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 X-Spam-Level: X-Spam-Status: No, score=-4.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E308FC432BE for ; Wed, 11 Aug 2021 10:31:03 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 9FD9B60D07 for ; Wed, 11 Aug 2021 10:31:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 9FD9B60D07 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=fGoBlG/rFaFlGj4ZL02Yh1CDeT8NJr9LfTbdBm4o8OU=; b=dOJvJb2AlLxAuJ Cq2h49Ct+h4WWKbI6J1ytvjUdxxIUHy1pX9YeIQPy2rBQOrvlL63GrEug4ywfARWQH9ElR7Oisp5T Jlmm+dRg5xQtoj27n3DSx/pAQeZc0rKzCNh0hSZLj23n1V4voTBafaw8sekgA7MuQqHp3FNFOL8lN zwHMnrUjbXnK28Jb4ZF1tIN6bdFsMF8hAoaBmh8lxaHZeVy5BG8oc4jeCMYvlMuMDkdPh5JEQco+l PgUpO1iyOwrWtYOxPkG9wzN5bbuNWbloCiD599EjlVeKsfTfG/pvgjMklj2ecI+/M0YmL6yylQ45X rajKyDkLIdNV80n5EkAw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mDlVJ-006dCa-7I; Wed, 11 Aug 2021 10:30:33 +0000 Received: from smtp-out1.suse.de ([195.135.220.28]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mDlV7-006dAk-J9 for linux-nvme@lists.infradead.org; Wed, 11 Aug 2021 10:30:25 +0000 Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 350E9221D1; Wed, 11 Aug 2021 10:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1628677820; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9PROUPtd8tEVskY/x6F4cQKQn0LeaTzerYxm4i+slnw=; b=zTIZyeUy8mE4QaOiuEp13YJvKZp5L8XAaUDYhhMYAHx6k1kyQ4hvY18ZvQ6TrWZMh+jdyH L3GXpO4H/jgTt9l4jZG7qpY62madXczy2FiLtK2etIFlnP+t0Sp9w4FdslWFNiWLFPrX86 RDj5gM59hmtd/daztRelmR7gfPICYaE= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1628677820; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=9PROUPtd8tEVskY/x6F4cQKQn0LeaTzerYxm4i+slnw=; b=2YGzMIs6bMSGM1nNVEVwRaSd49v37+r29fwBw8DUzlbZE3C1SFuGEIYZYTIoAiW0IoLOQn njjPEo2fxahy3xAg== Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 1D66E131F5; Wed, 11 Aug 2021 10:30:20 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id SkrXBrymE2G0DwAAGKfGzw (envelope-from ); Wed, 11 Aug 2021 10:30:20 +0000 Date: Wed, 11 Aug 2021 12:30:19 +0200 From: Daniel Wagner To: Sagi Grimberg Cc: Hannes Reinecke , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, James Smart , Keith Busch , Ming Lei , Wen Xiong , James Smart Subject: Re: [PATCH v4 6/8] nvme-fc: fix controller reset hang during traffic Message-ID: <20210811103019.j2smukkfseqa3qdr@carbon.lan> References: <20210802112658.75875-1-dwagner@suse.de> <20210802112658.75875-7-dwagner@suse.de> <79c89923-f586-79e7-6dfd-c15ceb21f569@suse.de> <20210804080847.bajae2twtnmccvq7@beryllium.lan> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210811_033021_840035_23F8749B X-CRM114-Status: UNSURE ( 9.95 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Aug 10, 2021 at 06:05:04PM -0700, Sagi Grimberg wrote: > Why is there a conditional freeze? The freeze only happens if I/O queues have been created/started. If I understand this correctly, this is the corner case we were only able to establish the admin queue and fail later to setup the I/O queues. _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme