[Xen-devel] Re: How to dump xen0 kernel output to a serial console?

["Lily Huang" <ushuanglily@xxxxxxxxx>]

Below is my grub setting:

--------------------------------------------------------------------------
serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
#terminal --timeout=5 serial console

title Xen-unstable  / XenLinux 
2.6
        root (hd0,0)
        kernel /boot/xen.gz dom0_mem=512000 console=vga com1=115200,8n1 sync_console
        module /boot/vmlinuz-2.6-xen0 root=/dev/hda1 ro console=tty0 console=ttyS0 
--------------------------------------------------------------------------
If I enable the "terminal --timeout=5 serial console", I can see the grub interface from the console, but after I chose the boot option,
I didn't further console dump out. 

What's wrong with my setting? Help! Please!

lily

On 6/30/06, Lily Huang <ushuanglily@xxxxxxxxx> wrote:

Hello,

I am running into xen0 crash. Every time xen0 crashes, it will dump some error messages. Unfortunately, before I can read the details, the system already restarted. Is there anyway to dump the error message to a different serial console?

How to debug xen0? I mean, xen0, not xen itself.

Please give me some ideas or direct me to the right place to read the documentation.

Many thanks!

lily

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