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Re: [Xen-devel] Xen 4.0.0-rc8 problem: xenconsole: Could not read tty fr

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Xen 4.0.0-rc8 problem: xenconsole: Could not read tty from store: No such file or directory
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Sat, 27 Mar 2010 14:14:38 +0200
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, M A Young <m.a.young@xxxxxxxxxxxx>
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On Sat, Mar 27, 2010 at 12:09:03PM +0000, Keir Fraser wrote:
> On 27/03/2010 12:05, "Ian Campbell" <Ian.Campbell@xxxxxxxxxxxxx> wrote:
> >> Ok, I copied the kernel+initramfs to dom0, changed the configuration file,
> >> and now "xm create -c" works!
> >> 
> >> So it looks like a pygrub problem..
> > 
> > pygrub output should be in the xend logs, it includes the command line
> > so you can copy that and run by hand in domain 0. Also you can run the
> > individual pygrub modules (e.g. GrubConf.py) on a config file extracted
> > from a guest to see if it works as expected (see the end of the file for
> > the syntax).
> > 
> > Do you know if FC12 uses grub1 or grub2?
> > 

F12 uses grub1.

> > IIRC the recent patches were all to grub2 specific code paths.
> Pygrub must be running pretty well as the domU does end up booted correctly
> and with a console (eventually). This is more likely a console-plumbing
> issue, and probably on the xend side I would think.

Yeah, pygrub works in the sense that it's able to fetch the 
from domU and domU boots up ok with them.

I guess that's why I haven't noticed this issue earlier..

Only now I tried to do "xm create -c" to get to pygrub menu to select the 
and noticed this problem..

-- Pasi

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