On Tue, Aug 25, 2009 at 12:17:53AM +0800, Mr. Teo En Ming (Zhang Enming) wrote:
> Hi All,
>
> I have tried to configure serial console for Xen hypervisor, dom 0
> kernel and Linux login but it does not seem to be working.
>
> Here is my grub configuration for serial console:
>
> title Fedora (2.6.31-rc6-enming.teo) Serial Console
> root (hd0,0)
> kernel /xen.gz iommu=1 com1=115200,8n1 console=com1
> module /vmlinuz-2.6.31-rc6-enming.teo ro
> root=/dev/mapper/vg_fedora11_host-lv_root selinux=0 console=ttyS0,115200
> module /initrd-2.6.31-rc6-enming.teo.img
>
http://wiki.xensource.com/xenwiki/XenParavirtOps
paste from that page:
Working example grub.conf with serial console output:
title pv_ops dom0-test (2.6.29-rc7-tip) with serial console
root (hd0,0)
kernel /xen-3.3.gz dom0_mem=1024M loglvl=all guest_loglvl=all
com1=19200,8n1 console=com1
module /vmlinuz-2.6.29-rc7-tip ro root=/dev/vg00/lv01 console=hvc0
earlyprintk=xen
module /initrd-2.6.29-rc7-tip.img
> Is the above configuration correct? On my Intel Desktop Board DQ45CB, I
> have a COM1 header on the PCB and I have connected an external serial
> port to this header and also enabled COM1 in the BIOS.
>
> After selecting the above entry in GRUB still on VGA, a cursor at the
> top left corner of the monitor shows up, which means Xen and Dom 0
> kernel are booting up on the serial console and not on VGA.
>
> However, after some time, a login prompt finally displays on my VGA
> monitor! Isn't it NOT supposed to show up on VGA and should show up in
> serial console instead?
>
You also need to have the gettys configured properly.
-- Pasi
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