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

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

On Mon, Mar 22, 2010 at 10:51:21PM +0100, Manuel Bouyer wrote:
> On Mon, Mar 22, 2010 at 11:13:28PM +0200, Jukka Marin wrote:
> > By the way, is it normal that qemu uses lots of memory on dom0?
> > 
> > USER     PID %CPU %MEM    VSZ    RSS TTY   STAT STARTED      TIME COMMAND
> > root    7790  0.0 34.2 340476 179524 ?     Rl    9:49PM   0:28.82 
> > /usr/pkg/libexec/qemu-dm -d 22 -domain-name winxp -vnc 127.0.0.1:0 
> > -vncunused -vcpus 1 -boot c -localtime -acpi -usb -usbdevice tab let -net 
> > nic,vlan=1,macaddr=00:0d:10:80:03:00,model=pcnet -net 
> > tap,vlan=1,ifname=tap22.0,bridge=bridge0 -M xenfv 
> 
> Yes, it's expected. I think it has the whole guest's memory mapped
> in. But AFAIK it's memory shared with the domU, not memory stolen
> from the dom0's pool.

Hmm..  My dom0 had lost almost all of its RAM somewhere (the numbers
displayed by top didn't add up at all).  I also wanted to see that
everything starts up properly after a reboot, so I rebooted the system.
I'll see if RAM disappears again.

> > Also, I seem to have several backup processes stuck.. not related to the hvm
> > domain, though.  Looks as if network connections between dom0 and domU were
> > extremely slow or something.  The backups started on Sunday are still in
> > progress .. bit by bit. :-I
> 
> Can you tcpdump it and see if there are lost packets or
> something ? also vmstat -m about mbpl and mclpl can be interesting,
> especially the 'fail' column.

I'll keep those on the eye as well.  Thanks for the advice.

  -jm