Solved: Reproducible panic (page fault) in poll on 6.3-RELEASE-p4

[Stef]

Stef Walter wrote:
> I have a kernel panic that I can consistently trigger. After a short
> while (5 to 30 minutes) with a certain connection pattern of UDP openvpn
> connections the server crashes.
> 
> I have a crash dump, and stack trace. It seems td->td_selq has been
> corrupted (see below).

Solved, sorta. This was caused by a missing 'options SMP' on a multicore
machine.

Cheers,

Stef