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Re: [Xen-users] Xen 3.0.3 serial domU amd64

from [Fabrice Coudert]

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Subject:	Re: [Xen-users] Xen 3.0.3 serial domU amd64
From:	Fabrice Coudert <fab.xen@xxxxxxxxxxxxxxxxxxx>
Date:	Mon, 27 Nov 2006 18:05:56 +0100
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I finally succeed to setup ttyS0 in domU. 

It wasn't an issue on amd64 arch. 

It was a mistake about the name of the parameter which tel what interrupt line 
to add in domU. All related post in this liste tels to use "interrupt". But 
this parameter name isn't defined in the script create.py. The good one is 
called "irq".

If someone like to know exactly about the setup I used :

in /boot/grub/menu.lst :
  kernel /boot/xen-3.0.3-1-amd64.gz console=vga
  module /boot/vmlinuz-2.6.18-1-xen-amd64 root=/dev/sda1 ro xencons=tty
  module /boot/initrd.img-2.6.18-1-xen-amd64

in dom0 :
  rmmod 8250_pnp 8250 serial_core

in the config file of the domU :
  irq = [ 3, 4]
  ioports = ["3f8-3ff", "2f8-2ff"]

in domU :
  modprob 8250_pnp 8250 serial_core

in dmseg you should see :
  Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
  serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
  serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A



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