Re: [BUG BISECT] NFSv4 client fails on Flush Journal to Persistent Storage

[Krzysztof Kozlowski]

On 18 June 2018 at 18:20, Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
>
> The extra serialization appears to have a reproducible performance
> impact on RDMA, which no longer takes the reserve_lock when allocating
> a slot.
>
> I could put an xprt_alloc_xid call in xprt_alloc_slot, but that would
> only work for socket-based transports. Would it be OK if RDMA had its
> own XID allocation mechanism?

Hi,

On recent next the issue appeared again. My boards with NFSv4 root
timeout on 80% of boots. This time my NFS server is faster - Pi3 B+
:).

Is this know? Should I start long bisect or maybe you can point me to
possible causes?

Best regards,
Krzysztof