From: "J. Bruce Fields" <bfields@fieldses.org>
To: "J. Bruce Fields" <bfields@redhat.com>
Cc: Trond Myklebust <trondmy@hammerspace.com>,
"linux-nfs@vger.kernel.org" <linux-nfs@vger.kernel.org>
Subject: Re: [PATCH v2] nfsd: Fix races between nfsd4_cb_release() and nfsd4_shutdown_callback()
Date: Tue, 29 Oct 2019 17:47:05 -0400 [thread overview]
Message-ID: <20191029214705.GA29280@fieldses.org> (raw)
In-Reply-To: <20191025153336.GA20283@fieldses.org>
On Fri, Oct 25, 2019 at 11:33:36AM -0400, bfields wrote:
> On Fri, Oct 25, 2019 at 11:21:19AM -0400, J. Bruce Fields wrote:
> > I thought I was running v2, let me double-check....
>
> Yes, with v2 I'm getting a hang on generic/013.
>
> I checked quickly and didn't see anything interesting in the logs,
> otherwise I haven't done any digging.
Reproduceable just with ./check -nfs generic/013. The last thing I see
in wireshark is an asynchronous COPY call and reply. Which means it's
probably trying to do a CB_OFFLOAD. Hm.
--b.
next prev parent reply other threads:[~2019-10-29 21:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-23 21:43 [PATCH v2] nfsd: Fix races between nfsd4_cb_release() and nfsd4_shutdown_callback() Trond Myklebust
2019-10-25 14:51 ` J. Bruce Fields
2019-10-25 14:55 ` Trond Myklebust
2019-10-25 15:21 ` J. Bruce Fields
2019-10-25 15:33 ` J. Bruce Fields
2019-10-29 21:47 ` J. Bruce Fields [this message]
2019-11-07 22:27 ` J. Bruce Fields
2019-11-08 17:51 ` J. Bruce Fields
2019-11-08 17:52 ` J. Bruce Fields
2019-11-08 17:54 ` [PATCH] nfsd: document callback_wq serialization of callback code J. Bruce Fields
2019-11-08 17:55 ` [PATCH] nfsd: mark cb path down on unknown errors J. Bruce Fields
2019-11-08 18:44 ` [PATCH v2] nfsd: Fix races between nfsd4_cb_release() and nfsd4_shutdown_callback() Trond Myklebust
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