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From: NeilBrown <neilb@suse.com>
To: Olga Kornievskaia <aglo@umich.edu>
Cc: Richard Laager <rlaager@wiktel.com>,
	Trond Myklebust <trond.myklebust@primarydata.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	linux-nfs <linux-nfs@vger.kernel.org>
Subject: Re: PROBLEM: NFS Client Ignores TCP Resets
Date: Tue, 03 Oct 2017 09:13:48 +1100	[thread overview]
Message-ID: <878tgt42qr.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <CAN-5tyG7BeAoy_tqap23CM8rCHcyOcy2Jee3us+xU4kxVV54gA@mail.gmail.com>

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On Mon, Oct 02 2017, Olga Kornievskaia wrote:

> Hi Neil,
>
> Was your patch 3ffbc1d6558 (net/sunrpc/xprt_sock: fix regression in
> connection error reporting) is an attempt to fix this problem or was
> it  something else (latter is what I think but would like to verify)?

That patch fixed a bit that was introduced in 4.12.  As you reported a
problem with 4.5, it must be a different problem.

>
> I was wondering if there was anything done upstream that fixed this issue.
>

Not that I know of.  I don't think it can be reproduced upstream, which
make it difficult.

The last think I said was:

>>
>> It might help to see a tcpdump trace of the case where the "ssh"
>> connection was broken successfully for comparison with the case where
>> the nfs connection wasn't broken.  Or it might not.

Seeing the trace might not help, but not seeing (which is the current
situation) definitely won't help.

NeilBrown

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  reply	other threads:[~2017-10-02 22:14 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-14  2:24 PROBLEM: NFS Client Ignores TCP Resets Richard Laager
2016-03-08 17:06 ` Richard Laager
2016-03-09 21:16   ` Anna Schumaker
2016-03-09 21:42     ` Richard Laager
2016-03-11  9:44     ` Richard Laager
2016-04-02  1:43       ` Richard Laager
2016-04-03  3:58 ` NeilBrown
2016-04-07  9:45   ` Richard Laager
2016-04-08  0:47     ` NeilBrown
2017-10-02 19:29       ` Olga Kornievskaia
2017-10-02 22:13         ` NeilBrown [this message]
     [not found]       ` <CAN-5tyHuuBJxwqFLkiZa5ktBk7ypCJxmZ9creeD_RGWbK4Xn3A@mail.gmail.com>
2017-10-02 19:48         ` Richard Laager
2017-10-02 22:03           ` Olga Kornievskaia
2017-10-03  0:09             ` Richard Laager

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