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[Xen-devel] Re: problems with console in domU if physdev access enabled

To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Re: problems with console in domU if physdev access enabled
From: Maurice Meeden <tux@xxxxxxxx>
Date: Sat, 19 Mar 2005 13:11:16 +0000 (UTC)
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Ian Pratt <m+Ian.Pratt <at> cl.cam.ac.uk> writes:

> > I am trying to build a working domU kernel with 
> > if this enabled, domU fails to boot with different errors 
> > about the console.
> > With kernel 2.6.10 and xen 2.0.5 this error occurs if I try 
> > to start the Domain:
> > ..
> > WARNING: Failed to register Xen virtual console driver as 'tty1'
> > ..
> > Warning: unable to open an initial console.
> > Unable to handle kernel NULL pointer dereference at virtual 
> It sounds like you might be building in a serial UART (8250) into your
> domU kernel which is grabbing the tty.

CONFIG_SERIAL_8250 was not set, I've also tried with set it to y, but it makes
no difference.

It would be very helpful if someone who use xen with physdev-access enabled
could send me his/her kernel-config.

Thanks Maurice

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