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From: Leon Romanovsky <leon@kernel.org>
To: Chuck Lever <chuck.lever@oracle.com>
Cc: Timo Rothenpieler <timo@rothenpieler.org>,
	Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
	linux-rdma <linux-rdma@vger.kernel.org>
Subject: Re: NFS over RDMA issues on Linux 5.4
Date: Tue, 4 Aug 2020 16:46:42 +0300	[thread overview]
Message-ID: <20200804134642.GC4432@unreal> (raw)
In-Reply-To: <F6BDB1B6-6315-47C9-A589-F4A57E25B2C5@oracle.com>

On Tue, Aug 04, 2020 at 09:12:55AM -0400, Chuck Lever wrote:
>
>
> > On Aug 4, 2020, at 9:08 AM, Timo Rothenpieler <timo@rothenpieler.org> wrote:
> >
> > On 04.08.2020 14:49, Chuck Lever wrote:
> >> Timo, I tend to think this is not a configuration issue.
> >> Do you know of a known working kernel?
> >
> > This is a brand new system, it's never been running with any kernel older than 5.4, and downgrading it to 4.19 or something else while in operation is unfortunately not easily possible. For a client it would definitely not be out of the question, but the main nfs server I cannot easily downgrade.
> >
> > Also keep in mind that the dmesg spam happens on both server and client simultaneously.
>
> Let's start with the client only, since restarting it seems to clear the problem.

It is client because according to the server CQE errors, it is Remote_Invalid_Request_Error
with "9.7.5.2.2 NAK CODES" from IBTA.

Thanks

  parent reply	other threads:[~2020-08-04 13:46 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <8a1087d3-9add-dfe1-da0c-edab74fcca51@rothenpieler.org>
2020-08-03 16:24 ` NFS over RDMA issues on Linux 5.4 Chuck Lever
2020-08-04  9:36   ` Leon Romanovsky
2020-08-04 10:52     ` Timo Rothenpieler
2020-08-04 12:25       ` Leon Romanovsky
2020-08-04 12:49         ` Chuck Lever
2020-08-04 13:08           ` Timo Rothenpieler
2020-08-04 13:12             ` Chuck Lever
2020-08-04 13:19               ` Timo Rothenpieler
2020-08-04 13:24                 ` Chuck Lever
2020-08-04 13:40                   ` Timo Rothenpieler
2020-08-04 13:46               ` Leon Romanovsky [this message]
2020-08-04 13:53                 ` Chuck Lever
2020-08-04 15:34                   ` Chuck Lever
2020-08-04 15:39                     ` Timo Rothenpieler
2020-08-04 15:46                       ` Chuck Lever
2020-08-04 15:50                         ` Timo Rothenpieler
2020-08-04 16:07                           ` Timo Rothenpieler
2020-08-04 15:55                     ` Leon Romanovsky

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