Weird DHCP problem

[CP]

I'm running slack 9.1 and have a network connection setup by DHCP. The problem is that when I boot up, DHCP gives me my IP happily, and I can ping IP's, but DNS isn't set up at all. Resolv.conf is empty. The really odd thing is that if I run
dhcpcd eth0
then it all works fine. The nameservers are added to resolv.conf and i'm away. So I'm not too sure what to do.
Any ideas?
Cheers
Chris

[trickster]

Did you try rerunning

netconfig

?

[CP]

Yup, I've run it a couple of times.
Everything looks fine. rc.inet1.conf is all setup properly, it says to use DHCP for eth0, and has no other settings in there. I haven't altered any of the start up scripts at all, so I really have no idea why its doing this.
This has only happened since I ran netconfig to force eth0 to use a static IP. I don't need a static IP anymore so switched it back to DHCP, and now its broken.
Cheers
CP

[countach44]

Crappy Fix time!
add dhcpcd eth0
to rc.local

Dhcpcd isn't running on that device if it lets you do that, it should say already running or something like that...

[CP]

Thats what I was thinking... But then I was trying to work out how the hell its getting the IP. I can't see the IP addy written in any config files at all, I've greped for it in /etc and all other subdirs of /etc. This is really confusing the hell out of me. I'd like to fix it properly I thought about the rc.local file, but was really just wondering what could cause htis.
Cheers
CP

[countach44]

/etc/dhcpc/dhcpcd-eth0.info

[CP]

Yeah it is in there, and thats all.

[CP]

Now this is odd. I haven't done anything to my config, I haven't re-run netconfig, and its working. I have no idea how or why, but I'm not one to argue
Cheers
CP

[countach44]

I love that when it happens.

[CP]

I usually do, but this is really pissing me off. I spent ages trying to fix it. Changed nothing, and now it works! If it happens again I dunno what I'll do