[newbie] All mbuf clusters exhausted - more information

[admin]

Hi,


Are there any good links that discuss tuning of All mbuf clusters exhausted. 
Is it possible my box was getting attacked?  What can I do to protect myself
from this in the future?


there are recent log entries before my machine crashed:

Aug  8 04:00:00 typhoon newsyslog[25053]: logfile turned over due to size>100K
Aug  8 04:19:03 typhoon /kernel: pmap_collect: collecting pv entries -- suggest
increasing PMAP_SHPGPERPROC
Aug  8 04:29:31 typhoon /kernel: All mbuf clusters exhausted, please see tuning(
7).
Aug  8 04:30:02 typhoon last message repeated 30 times
Aug  8 04:30:43 typhoon last message repeated 37 times
Aug  8 04:42:09 typhoon last message repeated 99 times
Aug  8 04:52:09 typhoon last message repeated 193 times
Aug  8 05:01:09 typhoon last message repeated 88 times
Aug  8 05:10:51 typhoon last message repeated 156 times
Aug  8 05:30:05 typhoon /kernel: All mbuf clusters exhausted, please see tuning(
7).
Aug  8 05:37:45 typhoon last message repeated 206 times
Aug  8 05:37:45 typhoon /kernel: Limiting open port RST response from 336 to
200 packets per second



- Noah