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[23.128.96.18]) by mx.google.com with ESMTP id r19si7862996edd.31.2021.08.11.03.33.56; Wed, 11 Aug 2021 03:34:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@suse.de header.s=susede2_rsa header.b=zTIZyeUy; dkim=neutral (no key) header.i=@suse.de header.s=susede2_ed25519 header.b=2YGzMIs6; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=suse.de Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237148AbhHKKaq (ORCPT + 99 others); Wed, 11 Aug 2021 06:30:46 -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.