Problems booting

[arne anka]

> opkg updates the userland binaries and kernel modules, I'd say the most  
> likely
> reason you're having problems is due to not updating your kernel.

opkg updates the kernel as well.
the next time you do opkg upgrade, check
a) the list of packages -- when kernel module packages are mentioned  
there's also a kernel package
b) have a look at the opkg output -- there will be a section showing  
progress while writing the kernel (or "flashing" if you prefer)