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Re: [Xen-users] Can't connect vncviewer to domU

  • To: xen-users@xxxxxxxxxxxxx
  • From: Alexandre Kouznetsov <alk@xxxxxxxxxx>
  • Date: Mon, 01 Jul 2013 09:51:36 -0500
  • Delivery-date: Mon, 01 Jul 2013 14:52:29 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>


El 29/06/13 08:41, PatomaS . escribió:
      My original message and problem is in
Your etc_xen_win7.cfg says "on_reboot='destroy'" twice, needs little cleanup.

To be honest, many of HVM options looks like mysterious magic to me, although they are described in the documentation, so I almost always use the same configuration with minor changes. Take a look on the config file I use to run w7. "ioemu" are commented out but still there for reference, my w7 has PV drivers installed.

name    = 'w7VM'
memory  = '2048'
#vif     = [ 'mac=XX:XX:XX:XX:XX:XX,bridge=xenbr01,type=ioemu' ]
#disk    = [
#            'phy:/dev/mainVG/w7VM-disk,ioemu:hda,w',
#            'phy:/dev/mainVG/w7VM-data,ioemu:hdb,w',
#            'file:/mnt/masters/ISO/w7.iso,ioemu:hdc:cdrom,r'
vif     = [ 'mac=XX:XX:XX:XX:XX:XX,bridge=xenbr01' ]
disk    = [
vfb = [ 'type=vnc,keymap=es,vnclisten=,vncdisplay=11,vncpasswd=XXXXXXXX' ]
boot = 'c'
builder = 'hvm'
kernel = '/usr/lib/xen-4.0/boot/hvmloader'
device_model = '/usr/lib/xen-4.0/bin/qemu-dm'

on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'preserve'

      I have changed the memory parameter in /etc/xen/win.cfg, from 1024
to 4096 and now the domU stays active, or at least on the list


s/mamem/maxmem/ ??

In any case, I would not expect the amount of RAM to be the issue. Even 1GB is enough to run w7 without applications on it.

      Now, the system seems to be active, but I still can't connect the
vncviewer to the domU.
Start checking if your vncserver is even listening, with "netstat -lnp | grep qemu-dm". Make sure your access to it is not blocked by a firewall.

When I use xl list from another console, I can see that after 20 seconds
+/-, the state changes from 'r' to 'b'. I suppose that is because it's
waiting for me to do something.
B[locked] is a normal state for a domain that is up and healthy. In any given moment only few domains are in running state, the rest are awaiting for resources or simply have nothing to do.


Alexandre Kouznetsov

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