On 7 Nov 2024, at 13:59, Rick Macklem wrote:
> On Thu, Nov 7, 2024 at 9:34 AM George Neville-Neil <g...@neville-neil.com>
> wrote:
>>
>>
>>
>> On 7 Nov 2024, at 4:15, Mark Saad wrote:
>>
>>>>
>>>> On Nov 7, 2024, at 12:29 AM, Andriy Gapon <a...@freebsd.org> wrote:
>>>>
>>>> On 07/11/2024 02:43, George Neville-Neil wrote:
>>>>> Howdy,
>>>>> We've been digging into an interesting possible issue in the FreeBSD NFS
>>>>> client. Here is the scenario. I have a FreeBSD VM on my Mac, the Mac is
>>>>> the NFS server, the VM is the client.
>>>
>>> What are you using to run the vm ? What architecture is the vm ? What about
>>> the Mac ?
>>
>> qemu, aarch64, M3 Mac.
>>
>> I doubt this is the source of the issue.
>>
>> I was poking through the code and I wonder if a slight time skew might be an
>> issue. I'm going to check into that. The VM and the Mac both us NTP to
>> stay in sync with the world, but who knows...
> Hi George,
>
> I'll take a look at the packet trace later, but...
>
> If you can easily reproduce the issue, do a:
> # nfsstat -E -c -z
> - before reproducing it, and a
> # nfsstat -E -c
> - after. Then look at the Cache Info: at the end of the output.
>
I'll give that a look, and the thing that Mark found is also interesting. I
might ask Warner about it tomorrow, we're both at the Dev Summit.
Thanks,
George
