Re: [uml-devel] Problem running uml with jail

[Michael <le...@nt...>]

On Wed, May 08, 2002 at 04:34:10PM -0400, Jeff Dike wrote:
> le...@nt... said:
> > Kernel panic: protect_vm_page : protect failed, errno = -12 
> 
> This has been reported before, but I don't understand what is happening.
> 
> -12 == -ENOMEM, so somehow the host thinks it doesn't have enough memory
> to do the map (which different from actually allocating that page, which
> happens later, when it's touched).

It looks straightforward now, a couple of places in mprotect.c return
ENOMEM not EFAULT in 2.4.19-pre, I guess these are triggered in 2.4.18
but you handle the EFAULT case.

-- 
Michael.