mpd5/Netgraph issues after upgrading to 7.4
Eugene Grosbein
egrosbein at rdtc.ru
Mon Apr 11 04:19:52 UTC 2011
On 11.04.2011 05:34, Przemyslaw Frasunek wrote:
>> Use command "vmstat -z|egrep 'ITEM|NetGraph'" and check FAILURES column.
>> If you see non-zero values there, you need to increase netgraph memory limits
>> net.graph.maxdata and net.graph.maxalloc using /boot/loader.conf.
>
> Unfortunately, increasing net.graph.maxdata & net.graph.maxalloc didn't
> solved EPERM problems on netgraph control sockets. It is still appearing
> every few hours, but failure counters are zero:
>
> ITEM SIZE LIMIT USED FREE REQUESTS
> FAILURES
> NetGraph items: 36, 65598, 0, 1404, 52978,
> 0
> NetGraph data items: 36, 65598, 0, 780, 2876420,
> 0
>
> I also tried to increase kern.ipc.nmbclusters to 262140, but after that,
> mpd stopped accepting any connections - each failed with ENOBUFS.
>
> What is the upper limit of kernel memory usage?
It depends on your FreeBSD version (arch is significant too)
and physical RAM size.
Eugene Grosbein
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