Hi,

>>> Hi members, i'm trying to use a uml kernel inside another
>>> uml instance (nested). I tested some versions compiled by myself
>>> (2.6.23.17,2.6.26,2.6.28) with skas3 patches, and all versions give me
>>> failure results.
>>>
>> could you be more specific?
>
> When i run another kernel inside the uml system i get the following
> error. I compiled with nested support but seems not to work, when i
> try to run another versions (higher versions), the signal error also
> reappears.
>
> ...
> mapping mmap stub failed, errno = 12
> Kernel panic - not syncing: start_userspace : expected SIGSTOP, got
> status = 256
>
 
This seems to be the problem. I don‘t really have enough expertise,
but my uneducated guess would be that there is a problem with memory
management in the guest UML. Could it be related to the following?
http://www.mail-archive.com/user-mode-linux-user@lists.sourceforge.net/msg04597.html

I‘d like to do some more testing. Could you post a minimal kernel
configuration which still provokes the error?

-- 
Best Regards,
Leonid Chaichenets.

------------------------------------------------------------------------------
The NEW KODAK i700 Series Scanners deliver under ANY circumstances! Your
production scanning environment may not be a perfect world - but thanks to
Kodak, there's a perfect scanner to get the job done! With the NEW KODAK i700
Series Scanner you'll get full speed at 300 dpi even with all image 
processing features enabled. http://p.sf.net/sfu/kodak-com
_______________________________________________
User-mode-linux-user mailing list
User-mode-linux-user@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user

Reply via email to