Re: Raspberry Pi 2, nfs mount hangs after some time

[christos%astron.com@localhost (Christos Zoulas)]

In article <alpine.NEB.2.11.1511021459350.8746%korriban.imil.net@localhost>,
Emile `iMil' Heitor <imil%home.imil.net@localhost> wrote:
>
>A mee-too reply.
>
>I've setup a NetBSD 7.0/amd64 bulk-build domU as I did for NetBSD 6.1/amd64, it
>uses our platform's NetApp NFS servers (thousands of Linux domUs are using
>those, the hardware is not guilty).
>I'm trying to get rid of those hangs for weeks now, tried every mount flag
>combination without success, the system would freeze randomly, leaving the whole
>OS unresponsive. There's no log, no kernel message, the domU actually responds
>to network solicitations (ping, telnet 22...) but once it's frozen, it is
>impossible to run any command, it will just hang.
>
>The exact same setup is successfully running since Sept 2014 on
>NetBSD 6.1/amd64.
>
>Any idea how to get some valuable information to help tracking down this
>awful behaviour?

Can you get into ddb?

christos