Strange hang with dummynet

Nikola Knežević laladelausanne at
Tue Sep 16 15:51:24 UTC 2008

On 16 Sep 2008, at 14:38 , Nikola Kne?evi? wrote:

> I'm running FreeBSD 7.1-PRERELEASE with custom kernel on my box, and  
> when I did:
> kldload dummynet && kldload ipfw
> the machine just "hanged" - I couldn't access it over ssh, and  
> current sessions were blocked.
> This happens also with GENERIC. I didn't touch anything related to  
> ipfw or dummynet's configuration (that I know).
> Any thoughts? How can I debug this?

To reply to myself, for future reference :)

dummynet loads ipfw, which has the default rule of drop all. Thus  
machines shows as inaccessible/unresponsive.


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