From: bfields@fieldses.org (J. Bruce Fields)
To: Benjamin Coddington <bcodding@redhat.com>
Cc: Rue Mohr <sn0297@sunshine.net>, linux-nfs@vger.kernel.org
Subject: Re: nfs kernel server bug
Date: Tue, 23 Feb 2021 17:59:18 -0500 [thread overview]
Message-ID: <20210223225918.GE8042@fieldses.org> (raw)
In-Reply-To: <5B1E0F4D-F26F-4CB5-858A-E49D0819C864@redhat.com>
On Mon, Feb 08, 2021 at 06:58:38AM -0500, Benjamin Coddington wrote:
> On 7 Feb 2021, at 12:18, Rue Mohr wrote:
>
> >I'm having an issue where the kernel server is dishing out all
> >zeros for file content being read over NFS. The file byte count is
> >correct.
> >Writing files is fine.
> >With the same client, a different server works just fine.
> >
> >I have been trying to pin this down, so far all I know is that the
> >packets from the server actually contain zeros for the file
> >contents.
> >
> >The troubled server kernel is 5.4.1
> >
> >Has anyone encountered this or is it just me?
>
> Haven't heard of this before, but sounds like a fascinating problem.
>
> What version of nfs, and what security? You're seeing READ
> operations returning
> with rsize-ed blocks of all-zero data in a network capture?
It might also be useful to know what filesystem you're exporting, with
what mount and export options.
--b.
prev parent reply other threads:[~2021-02-23 23:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-07 17:18 nfs kernel server bug Rue Mohr
2021-02-08 11:58 ` Benjamin Coddington
2021-02-23 22:59 ` J. Bruce Fields [this message]
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