linux-kernel - Re: [PATCH v1 0/2] nvme-fc: Fix blktests hangers

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Message-ID: <iek6a3eegnjirapsuw2jtptxttgor2e4bvoljlr2swqwzagso5@b7k5kq6j2ab2>
Date:   Mon, 19 Jun 2023 09:55:14 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     linux-nvme@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        Chaitanya Kulkarni <kch@...dia.com>,
        Shin'ichiro Kawasaki <shinichiro@...tmail.com>,
        Sagi Grimberg <sagi@...mberg.me>,
        Hannes Reinecke <hare@...e.de>,
        James Smart <jsmart2021@...il.com>
Subject: Re: [PATCH v1 0/2] nvme-fc: Fix blktests hangers

On Thu, Jun 15, 2023 at 11:43:54AM +0200, Daniel Wagner wrote:
> A couple more fixes to enable blktests for the fc transport.

I let run blktests in a loop and eventually the unloading of the fs module
blocked again with

      nvme_fcloop: fcloop_exit: Failed deleting remote port
      nvme_fcloop: fcloop_exit: Failed deleting target port

So the reordering of the module unloades in blktets just made it a bit harder to
hit but it's still possible to hit this. So we should also consider

https://lore.kernel.org/linux-nvme/20230418130159.11075-2-dwagner@suse.de/