Dave wrote:
>> What happens when you try to reboot?
> 
> I see three messages:
> checking ethernet, contacting DHCP server, and contacting MediaMVP boot 
> server. The last two alternate back and forth in an infinite loop.

Do you recall whether that is any different from what you saw when you 
initially didn't have the boot server configured correctly and the MVP 
never loaded the mvpmc dongle?

The newer MVPs will store the IP address of the boot server in Flash, 
and present a menu on bootup that lets you override and select a 
different boot server. Does the rev. D bootloader have that feature?

With the newer models, if it can't fond a boot server, it forces you 
into the selection screen (which is usually a useless thing to do, 
unless you happen to have backup boot servers on your network).


> This particular unit stopped booting after I edited the
> /etc/udhcpc.config file via telnet.

I don't see how that could have a persistent effect.


>> It seems more likely that something coincidentally broke with your
>> back-end setup that supports the boot process.
> 
> I have verified that this is not the case by using a second MediaMVP. It 
> boots correctly.

Yeah, but the second one is a rev. H, right? Which doesn't require a 
DHCP server to tell it where to find the dongle.


> Two people have suggested I use dhcpd to resolve the issue. It sounds 
> like it would work. (And thanks for the tips.) Unfortunately, that will 
> require a bit of studying on my end, so I'm not sure how soon I'll get 
> around to it.

Dnsmasq is pretty easy to get started with.
% aptitude install dnsmasq

There are Dnsmasq config tips on a few wiki pages, too, such as:
http://mvpmc.wikispaces.com/howto_boot_OpenWRT

Having a proper DHCP server can help in troubleshooting what's going on, 
because you can turn on DHCP transaction logging (log-dhcp in Dnsmasq) 
to see when and if the MVP bootloader is asking for an IP address, and 
then subsequently whether mvpmc asks for one when it boots up.

See this description of how the MVP boots to understand the process better:
http://mvpmc.wikispaces.com/boot

(It describes a Flash revision boot.)

  -Tom


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