[Xen-users] serial port access from domU

[Silvano Trinchero <s.trinchero@xxxxxxxxxx>]

Hi all,
i need to access COM1 from a domU, to install hylafax on that vm.

I have CentOS 4.4 as guest and domain os, xen are installed from the rpm 
 (3.0.4 version).
This is the relevant part on menu.lst:

  kernel /xen-3.0.4.1.gz dom0_mem=262144 console=vga
  module /vmlinuz-2.6.16.33-xen_3.0.4.1 root=/dev/LVM0/root0 ro 
console=tty xencons=off
  module /initrd-2.6.16.33-xen_3.0.4.1.img

I followed the info found there 
http://wiki.xensource.com/xenwiki/InstallationNotes , and added:
irq = [ 4 ]
ioports = ["3f8-3ff"]

to the domain definition, but when i start it i got:
Error: function takes exactly 3 arguments (2 given)

I have also read on the list that serial port access was not possible 
due to it being accessed as isa device, but that was related to xen 2. 
As of xen 3, it's possible to forward it ? if so, wich is the right 
procedure ?
Regards,
Silvano








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