Re: [uml-user] Device Driver

[Papa T. <uml...@ya...>]

   Thanks Paul. But the iomem seems to be little
flaky. I just tried a simple example in the link you
gave. It crashes most of the time with seg fault on
mm. I haven't tried what Nuno mentioned just now. BTW,
where would I get that VPCI patch?

Regards

 
--- Paul Fee <pf...@ta...> wrote:
> I don't think UML works like that.  The UML kernel
> does not have access 
> to the real hardware, hence does not use the real
> ethernet drivers.
> 
> The UML kernel only has access to the same set of
> privileges as the user 
> invoking UML, (apart for the UML helper utilities
> [e.g. uml_net] with 
> may be setuid root).
> 
> The IO memory emulation stuff may provide a means of
> relaying access to 
> real hardware devices from drivers in UML space. 
> However I suspect 
> you'd have to write modified UML drivers and/or a
> helper application or 
> device driver on the host system.
> 
> http://user-mode-linux.sourceforge.net/iomem.html
> 
> That's the limit of my knowledge, may be someone
> else can add more if 
> that's not enough.
> 
> --
> Paul
> 
> Papa Thambi wrote:
> > Hi,
> > 
> >    I am newbie to UML. How do I debug the ethernet
> > driver in UML? It seems only the TUNTAP, ETHERTAP
> > drivers are only loaded. I dont see the real
> hardware
> > driver loaded. I want to debug the real hardware
> > driver.   
> > 
> > Regards.
> > 
> > __________________________________
> > Do you Yahoo!?
> > Yahoo! SiteBuilder - Free, easy-to-use web site
> design software
> > http://sitebuilder.yahoo.com
> > 
> > 
> >
>
-------------------------------------------------------
> > This sf.net email is sponsored by:ThinkGeek
> > Welcome to geek heaven.
> > http://thinkgeek.com/sf
> > _______________________________________________
> > User-mode-linux-user mailing list
> > Use...@li...
> >
>
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
> > 
> 


__________________________________
Do you Yahoo!?
Yahoo! SiteBuilder - Free, easy-to-use web site design software
http://sitebuilder.yahoo.com