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Re: [Xen-users] fc6 guest x server / vnc problems

To: Peter Peltonen <peter.peltonen@xxxxxxxxx>
Subject: Re: [Xen-users] fc6 guest x server / vnc problems
From: "Daniel P. Berrange" <berrange@xxxxxxxxxx>
Date: Wed, 28 Feb 2007 15:27:00 +0000
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On Wed, Feb 28, 2007 at 05:22:09PM +0200, Peter Peltonen wrote:
> I've succesfully installed FC6 domU under RHEL5-beta2 dom0 with
> virt-manager. I could open
> a graphical vnc console from virt-manager with no probs and use domU's
> gnome desktop.
> After few days of running the guest I've updated it with yum and been
> using it mostly
> via xm console. Now I tried to use the graphical console, but all
> virt-manager was telling
> me was: "The console is currently unavailable."
> I searched the fc6 logs and saw these messages:
> # tail /var/log/messages:
> Feb 28 19:15:20 fc6test pcscd: winscard.c:219:SCardConnect() Reader
> E-Gate 0 0 Not Found
> Feb 28 19:15:20 fc6test last message repeated 3 times
> Feb 28 19:15:22 fc6test gdm[1770]: gdm_slave_xioerror_handler: Fatal X
> error - Restarting :0
> Feb 28 19:15:26 fc6test gdm[1784]: gdm_slave_xioerror_handler: Fatal X
> error - Restarting :0
> Feb 28 19:15:30 fc6test gdm[1794]: gdm_slave_xioerror_handler: Fatal X
> error - Restarting :0
> Feb 28 19:15:30 fc6test gdm[1699]: deal_with_x_crashes: Running the
> XKeepsCrashing script
> Feb 28 19:15:30 fc6test gdm[1699]: Failed to start X server several
> times in a short time period; disabling display :0
> # cat /var/log/Xorg.0.log |grep EE
>        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> (II) Loading extension MIT-SCREEN-SAVER
> (EE) open /dev/fb0: No such file or directory
> (EE) No devices detected.
> I've tried rebooting both dom0 and domU which has not helped. Is
> anyoneone else having these problems? Any ideas how I could solve this
> issue?

Can you start the guest, and capture the portion of log mesages in
/var/log/xen/xend.log  that occurr at startup. THere was a change in the
virtual framebuffer protocol & config file around beta2 time, so perhaps
there's some slight incompatability you're seeing. Also what version of
'xen', libvirt, virt-manager have you got in Dom0, and what version
of kernel-xen have you got in DomU ?

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