[Lguest] Lguest launch hang

[Earlence Fernandes]

This issue was resolved and it was because of the samsung modifications.
The startup code for their platform devices detect the board and fail the
startup
if certain values do not exist. In the lguest environment, these values are
not set up. We ended up using a vanilla kernel as the lguest kernel instead.

Although, I wonder the reason for the lguest highmem options. Is it because
the switcher has to be mapped to a fixed addr?



On Sun, Jan 19, 2014 at 7:39 PM, Rusty Russell <rusty at rustcorp.com.au>wrote:

> Ajit Aluri <acpaluri at gmail.com> writes:
>
> > Hi,
> >
> > I am trying to launch lguest on a lguest enabled kernel for Samsung
> Galaxy
> > Tab 3. When I launch lguest, the start-up hangs at a certain point
> > indicated in the log below.
> >
> > I have attached the .config file I used to build the kernel (3.4.34 with
> > modifications by Samsung) and also the host kernel start-up log. I have
> > read that the highmem option has to be set to either 4g or none, but
> these
> > settings prevented the host kernel from booting up. I am currently trying
> > to build lguest with highmem set to 64g. Could someone please let me know
> > if the hang during the start-up is due this setting mismatch ? (I am
> trying
> > to launch lguest with only 128 MB memory, which I think is indicated in
> the
> > log below)
> >
> > Also attached the host kernel's startup log.
>
> I would say that "Can't find a valid bosrd-descriptor!!!" explains your
> problem.  That string doesn't exist in my kernel, so I think it's the
> Samsung modifications which are your problem.
>
> Perhaps try a non-Samsung kernel in the guest?
>
> Cheers,
> Rusty.
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