FreeBSD NFSv4.1/4.2 server is broken when Linux mounts use "nconnects"

[Kubilay Kocak]

On 30/03/2021 8:52 am, Rick Macklem wrote:
> Hi,
> 
> The FreeBSD NFS server is broken when handling multiple
> connections for NFSv4.1/4.2.

Whats the version scope for this issue? If a regression in 12.x 13.x, 
adding to RELNOTES and ERRATA would be great

> It incorrectly binds the back channel to a new connection
> when is sees an RPC with Sequence in it (almost all RPCs)
> and might send a callback on the wrong connection.
> 
> I have a fix, but it won't be in a release until 12.3/13.1.
> It can be found in Bugzilla PR#254560.
> 
> In the meantime, avoid using the "nconnects" option
> on Linux client mounts.
> 
> Thanks go to Ben Coddington @redhat for diagnosing
> this and testing the patch.
> 
> Sorry about the breakage, rick
> ps: It was done intentionally long ago, when clients
>        did not do BindConnectionToSession and then slipped
>        through the cracks.