mpd5/Netgraph issues after upgrading to 7.4

[Eugene Grosbein]

On 10.04.2011 16:00, Przemyslaw Frasunek wrote:
> Eventually I found that this issue is related to mbuf exhaustion. In
> periods when sendto() fails with EPERM, the "requests for mbufs denied"
> counter is increasing and "ngctl list" also fails.
> 

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.

I use:

net.graph.maxdata=65536
net.graph.maxalloc=65536

Eugene Grosbein