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Re: Dom0 detects no carrier on ixg
> On Dec 14, 2022, at 7:54 AM, Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:
> On Wed, Dec 14, 2022 at 07:40:53AM -0700, Brook Milligan wrote:
>>> 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
OK, I’ve increased this to 4M (4,166,656) and RAM to 8GB; no more ENOBUFS errors.
These seem like quite high values. Do I just fiddle to see what is required? Is there any rule of thumb for figuring this out?
Thanks for your help.
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