Re: netbsd-5 i386 PAE dom0 + hvm domU winxp?

[Jukka Marin <jmarin%embedtronics.fi@localhost>]

On Tue, Mar 23, 2010 at 04:47:14PM +0100, Manuel Bouyer wrote:
> On Tue, Mar 23, 2010 at 05:41:18PM +0200, Jukka Marin wrote:
> > It's not swapping, no swap is in use.  It seems that a "busy-looping" 
> > program
> > affects the guests more than one that does lots of I/O.
> 
> strange, I've not noticed that. Does it affect all guests, or only
> the HVM ones ?

After running a kernel build over 10 times in domU with and without dom0
running bzip2, it seems there's no difference.  But the hvm guest (winxp)
is real slow whenever bzip2 is running.

> > No, envstat is the only one.
> 
> it's probably trying to grab a lock, but it may not be easy to find which
> one.
> If you can enter ddb, could you tr/t 0t<pid> this process ? 
> You should be able to 'continue' after that, so the dom0 won't
> reboot.

ddb doesn't work with the IPMI remote console system.  I'll try to check
if the problem is reproducible on my test machine and see if I can hook
up a keyboard and display..

  -jm