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From: Stef Walter <stef-list@memberwebs.com>
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Date: Fri, 21 Aug 2009 00:10:16 +0000 (UTC)
Cc: "freebsd-net@FreeBSD.org" <freebsd-net@freebsd.org>
Subject: Re: ath0: ath_rx_proc: no mbuf!
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Lev Serebryakov wrote:
> Hello, Stef.
>
>> ath0: ath_rx_proc: no mbuf!
> 
>> The mbufs are in fact all used up. I allocate more via
>> kern.ipc.nmbclusters, and see the same behavior.
>   Same problem here on 7.2-STABLE, but incresaing kern.ipc.nmbclusters
> to 65536 helps. It seems, that when traffic is reauuly huge, system
> with ath need a lot of mbufs. At night, when traffic is almost zero,
> netstat -m shows a lot of free mbufs and clusters, so it seems, that
> there is no mbuf leaks.

Thanks for responding. I'll try tweaking some more.

Sadly this is an 'embedded' style box that has 64 MB of RAM. According
to tuning(7) Having 65536 mbuf clusters would use up 128 MB of RAM :(

Cheers,

Stef