linux-kernel - Re: [PATCH v4 6/8] nvme-fc: fix controller reset hang during traffic

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Message-ID: <20210811103019.j2smukkfseqa3qdr@carbon.lan>
Date:   Wed, 11 Aug 2021 12:30:19 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     Sagi Grimberg <sagi@...mberg.me>
Cc:     Hannes Reinecke <hare@...e.de>, linux-nvme@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        James Smart <james.smart@...adcom.com>,
        Keith Busch <kbusch@...nel.org>,
        Ming Lei <ming.lei@...hat.com>,
        Wen Xiong <wenxiong@...ibm.com>,
        James Smart <jsmart2021@...il.com>
Subject: Re: [PATCH v4 6/8] nvme-fc: fix controller reset hang during traffic

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.