linux-kernel - Regression: SUNRPC: Use poll() to fix up the socket requeue races

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Message-ID: <95702994-6762-e42b-06ee-ae945c2137bd@nvidia.com>
Date:   Mon, 25 Feb 2019 20:25:21 +0000
From:   Jon Hunter <jonathanh@...dia.com>
To:     Trond Myklebust <trond.myklebust@...merspace.com>,
        <linux-nfs@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-tegra <linux-tegra@...r.kernel.org>
Subject: Regression: SUNRPC: Use poll() to fix up the socket requeue races

Hi Trond,

Starting in next-20190222 I have observed a regression with NFS causing
some of our boards to fail to boot. Bisect points to your commit ...

commit 0ffe86f48026b7f34db22d1004bc9992f0db8b33
Author: Trond Myklebust <trond.myklebust@...merspace.com>
Date:   Wed Jan 30 14:51:26 2019 -0500

    SUNRPC: Use poll() to fix up the socket requeue races

After reverting this on top of -next I no longer see the problem. I have
not had chance to look any closer, but wanted to see if you had any
ideas what might be the problem.

Cheers
Jon