Re: [solved] Re: USB device not seen by grub

[Chris Jones]

On Sat, Dec 05, 2009 at 04:16:45AM EST, Vladimir 'φ-coder/phcoder' Serbinenko 
wrote:
> Chris Jones wrote:

[..]

> > Why do I have to enable tracing to make it work?
> >
> Because a dprintf acted as a forgotten millisleep. This patch should
> fix it. On my machine I still have issues because uhci.c has problems
> with second port

Excellent.

> > Also, is there any way I can run the grub command line on a system
> > that's already booted, so I can explore its possibities in a context
> > where I have internet access, browse documentation, etc..?
> >   
> I'm working on it but the current problem is that I haven't found a
> syscall in linux to get physical address of a page. Does anyone has a
> suggestion?

That would be great. The worst time to experiment and learn new tricks
is when you're in a fix and your system won't boot. Be prepared!

Thanks again for your help.

CJ