On Sun, Jun 09, 2013 at 03:39:45PM +0200, Alban Hertroys wrote:
> On Jun 9, 2013, at 13:45, YongHyeon PYUN <[email protected]> wrote:
> 
> > On Sun, Jun 09, 2013 at 12:21:37PM +0200, Alban Hertroys wrote:
> >> I'm having an issue where my fxp0 interface keeps looping between DOWN/UP, 
> >> with dhclient requesting a lease each time in between. I think it's caused 
> >> by dhclient:
> >> 
> >> solfertje # dhclient -d fxp0
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> send_packet: Network is down
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> DHCPACK from 109.72.40.1
> >> bound to 141.105.10.89 -- renewal in 7200 seconds.
> >> fxp0 link state up -> down
> >> fxp0 link state down -> up
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> DHCPACK from 109.72.40.1
> >> bound to 141.105.10.89 -- renewal in 7200 seconds.
> >> fxp0 link state up -> down
> >> fxp0 link state down -> up
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> DHCPACK from 109.72.40.1
> >> bound to 141.105.10.89 -- renewal in 7200 seconds.
> >> fxp0 link state up -> down
> >> fxp0 link state down -> up
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> DHCPACK from 109.72.40.1
> >> bound to 141.105.10.89 -- renewal in 7200 seconds.
> >> fxp0 link state up -> down
> >> fxp0 link state down -> up
> >> DHCPREQUEST on fxp0 to 255.255.255.255 port 67
> >> DHCPACK from 109.72.40.1
> >> bound to 141.105.10.89 -- renewal in 7200 seconds.
> >> fxp0 link state up -> down
> >> ^C
> >> 
> >> In above test I turned off devd (/etc/rc.d/devd stop) and background 
> >> dhclient (/etc/rc.d/dhclient stop fxp0), and I still go the above result. 
> >> There's practically no time spent between up/down cycles, this just keeps 
> >> going on and on.
> >> fxp0 is the only interface that runs on DHCP. The others have static IP's.
> >> 
> > 
> > Try attached patch and let me know whether it also works for you.
> > <fxp.init.diff>
> 
> 
> I'm now running with this patch and the symptoms seem to have gone away. 
> Thanks!
> 
> Is there anything I should be aware of with this patch or anything you'd like 
> to know about how it runs?

No, I already tested the patch and will commit today.
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