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Re: Dom0 detects no carrier on ixg

> On Dec 14, 2022, at 1:39 AM, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> 55 is ENOBUFS; you don't have enough memory, or more probably enough
> mbuf clusters
> NMBCLUSTERS is computed automatically based on RAM amount, but for a
> dom0 (which typically has a small portion of the physical RAM allocated),
> it ends up too low for modern NIC.
> I use
> options NMBCLUSTERS=262144

Great, I’ll give that a try.

Do you use this on DomUs as well?  I’m guessing not unless they are low-memory.  However, perhaps this is limited to real NICs and not a problem with virtual ones?

Is the basic idea to increase NMBCLUSTERS whenever a low-memory machine has a modern NIC?


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