[Xen-users] Connecting Dom0 to the Host's Serial Port?

[Eric <epretorious@xxxxxxxxx>]

Hello, All:

I have a fairly simple question. Before I installed Xen on my CentOS 6.6 host, I'd added some configuration to the Grub configuration file (/boot/grub/menu.lst) to allow access via the serial-console server:

> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
> serial --unit=1 --speed=115200 --word=8 --parity=no --stop=1
> terminal --timeout=5 serial console
> ...

> kernel /vmlinuz-2.6.32-504.1.3.el6.x86_64 ro ... quiet console=tty0 console=ttyS0,115200n8

This seemed to work well until I added the stanzas to load Xen:

> title CentOS (3.10.68-11.el6.centos.alt.x86_64)
>    root (hd0,0)
>    kernel /xen.gz dom0_mem=1024M,max:1024M loglvl=all guest_loglvl=all
>    module /vmlinuz-3.10.68-11.el6.centos.alt.x86_64 ro ... quiet console=tty0 console=ttyS0,115200n8
>    module /initramfs-3.10.68-11.el6.centos.alt.x86_64.img

Now I'm able to view/interact with the host's BIOS; the Grub boot menu, and; I'm able to watch the initial portion of the boot process. However, after the xend starts I'm no longer able to view or to interact with Dom0.

How can I grant Dom0 permanent access to the serial-console port of the host [hardware]?

TIA,

Eric Pretorious

Portland, OR

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