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Re: [Xen-users] domU does not fully boot

Subject: Re: [Xen-users] domU does not fully boot
From: Thomas Goirand <thomas@xxxxxxxxxx>
Date: Thu, 12 Feb 2009 19:04:25 +0800
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Jon Rafkind wrote:
> Here is the console from domU:
>  ***************************************************************
>  ***************************************************************
>  ** WARNING: Currently emulating unsupported memory accesses  **
>  **          in /lib/tls glibc libraries. The emulation is    **
>  **          slow. To ensure full performance you should      **
>  **          install a 'xen-friendly' (nosegneg) version of   **
>  **          the library, or disable tls support by executing **
>  **          the following as root:                           **
>  **          mv /lib/tls /lib/tls.disabled                    **
>  ** Offending process: modprobe (pid=663)                     **
>  ***************************************************************
>  ***************************************************************
> Continuing...

It might only be that you don't have a VPS physical console, and that
your VPS is fully booted, but you can't see it. There are few things to

First, check that your VPS has a "console" device in /dev. Mount your
domU filesystem in the dom0, go in /dev and do:

/dev/MAKEDEV console

If you are using a modern Xen kernel and hypervisor, you should check
the parameters of the startup file. Check that it has the following option:

extra = "4 TERM=xterm xencons=tty console=tty1"

Then start your VPS and watch it booting. Note that once it's booted up,
you should check that it has a xen friendly libc6 installed (in Debian,
you would do "apt-get install libc6-xen").

I hope that helps.


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