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Re: [Xen-users] Using modem in DomU

from [Ernst Bachmann]

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Subject:	Re: [Xen-users] Using modem in DomU
From:	Ernst Bachmann <e.bachmann@xxxxxxxx>
Date:	Tue, 23 Aug 2005 13:18:53 +0200
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On Tuesday 23 August 2005 12:40, Denny Schierz wrote:

> title Xen 2.0 / XenLinux 2.6.11
> kernel /boot/xen.gz dom0_mem=64000 physdev_dom0_hide='(00:2f.8)'
> max_loop=32 module /boot/xen-linux-2.6.11.12-xen0.xen.kernel root=/dev/hda2
> ro
>
> i used the entries from dmesg:
>
> Serial: 8250/16550 driver $Revision: 1.90 $ 8 ports, IRQ sharing disabled
> ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
> ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
>
...
> #pci=['00,2f,8']

The "pci" and "physdev_dom0_hide" parameters take PCI IDs as parameters (Bus 
number:device number:function, as displayed by "lspci"), not ISA Bus Port 
numbers.

AFAIK sharing of ISA resources isn't implemented, so you'll have to use a PCI 
Serial Card or an USB->Serial converter if you want a real serial port under 
domU

/Ernst

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