> > Sorry for the top post, but I have just managed to repeat is 
> > exact crash 
> > twice on a new PE 1950 system.   I have core files available.
> > 
> > It seems that after a couple of reboots the problem goes away. The 
> > system actually crashed 4 times but 2 of the cores where corrupt.
> > 
> > It also seems that the system will be stable if the following 
> > message is 
> > not produced shortly after /etc/rc.d/netif start:
> > 
> > bce0: /usr/src/sys/dev/bce/if_bce.c(3489): Too many free 
> > rx_bd (0xFFF9 > 
> > 0x01FE)!
> > 
> 
> The error indicates that too many receive buffer descriptors
> were freed from the receive chain.  The driver must be losing
> count somewhere.  The process for duplicating the error sounds
> simple enough, how much data is in your NFS mounted directory?
> Are you using TCP or UDP for the NFS mount?
> 
> Any idea what type of network activity is happening just after
> /etc/rc.d/netif start (DHCP, NTP, anything else)?
> 
> Dave

One other thing, are you using jumbo frames?  What's your MTU setting?

Dave

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