FreeBSD unstable on Dell 1750 using SMP?

[Kris Kennaway]

On Sun, Nov 20, 2005 at 07:24:25PM +0100, Rutger Bevaart wrote:
> Strange indeed.
> 
> On a 1750 with bge's:
> 475 mbufs in use
> 501/25600 mbuf clusters in use (current/max)
> 0/3/6656 sfbufs in use (current/peak/max)
> 1120 KBytes allocated to network
> 0 requests for sfbufs denied
> 0 requests for sfbufs delayed
> 0 requests for I/O initiated by sendfile
> 100 calls to protocol drain routines
> 
> On a 2850 (hardware identical to an 1850):
> $ netstat -m
> 4294966848 mbufs in use
> 565/25600 mbuf clusters in use (current/max)
> 0/67/6656 sfbufs in use (current/peak/max)
> 1018 KBytes allocated to network
> 0 requests for sfbufs denied
> 0 requests for sfbufs delayed
> 16449 requests for I/O initiated by sendfile
> 589 calls to protocol drain routines
> 
> Both experience the "auto reboot" feature. The mbufs on the 2850 look  
> like a counter (signed/unsigned) bug, maybe even just in the  
> printing. Other than that I'm having a hard time interpreting these  
> results.

This is documented in the 5.4 errata, it's a leak in the stats
counting on SMP machines.  It was fixed after 5.4.

Kris
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