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[Xen-users] Re: Serial port pass-through or redirect

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Re: Serial port pass-through or redirect
From: Eric Camachat <eric.camachat@xxxxxxxxx>
Date: Mon, 17 Oct 2011 12:06:58 -0700
Delivery-date: Mon, 17 Oct 2011 12:10:09 -0700
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After some trials.
I can see console outputs (kernel printk stuff), but still cannot
access it by application.
for example:
/sbin/getty -L -n -l /bin/sh 19200 /dev/ttyS1 vt100
Will be terminated automatically.

On Mon, Oct 17, 2011 at 10:11 AM, Eric Camachat <eric.camachat@xxxxxxxxx> wrote:
> My Xen version is 4.0.1, dom0 is fedora core 12, domU is linux-2.6.32.24.
>
> On Sun, Oct 16, 2011 at 10:17 PM, Eric Camachat <eric.camachat@xxxxxxxxx> 
> wrote:
>> Hi,
>>
>> I tried to pass-through ttyS1 (COM2) to domU but never succeeded.
>> My config file:
>> irq=[3]
>> ioports=['2f8-2ff']
>> I can see my domU detect ttyS1 but still cannot drive it. (I can open
>> /dev/ttyS1 but cannot setup its baudrate).
>>
>> If I unbind COM2 from 8250 driver in dom0 then my domU cannot detect
>> any ttyS*, it is weird.
>>
>> I also tried:
>> serial=['pty','/dev/ttyS1']
>> but didn't work either.
>>
>> It is difficult to let my domU to controll ttyS1 (COM2).
>>
>> Thanks,
>> Eric
>>
>

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