On 20.01.2017 21:10, SK wrote:
Note, I'm not a developer nor a committer, just a humble sysadmin.
This problem is unrelated. ARP statistics is global and isn't related to
some specific interface. IMHO, the kernel panics due to missing VNET
context. As I see from the code in sys/dev/xen, it is not capable with
I cannot really look into this right now due to lack of time, but I'm
more than
happy to review/apply patches in order to fix this.


Further to my previous, since the provider of the VPS confirmed that
they could run FreeBSD 10 and use bridge without any issue, I thought
I'd have a look. The section from my crash-debug
0xffffffff80c2dd93 is in arprequest (/usr/src/sys/netinet/if_ether.c:427).
422             ro.ro_flags = 0;
424             m->m_flags |= M_BCAST;
425             m_clrprotoflags(m);     /* Avoid confusing lower layers. */
426             (*ifp->if_output)(ifp, m, &sa, &ro);
427             ARPSTAT_INC(txrequests);
428     }

Well, as I said, there is no VNET support in the sys/dev/xen.
It may work without problems even if you have compiled it with VIMAGE enabled. But it will crash just after you try to start some VNET-jail.
It is just not implemented yet.

WBR, Andrey V. Elsukov
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