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

[Tom Mornini <tmornini@xxxxxxxxxxxxxx>]

Hello there!

Thanks for the info.

Does this make Xen itself log to the serial port, or Dom0 log to the  
serial port, or both?
We're having some "interesting" behavior with machines going entirely  
offline and we're trying to figure out the best way to debug this  
remotely.
Any help would be enormously appreciated.

On Nov 27, 2006, at 9:05 AM, Fabrice Coudert wrote:

> 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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