I find that the qemu-ifup is very simple, so I make a copy of qemu-ifup in /etc/xen/ directory. This time, the domU started and I saw the boot screen of BIOS in vncviewer. But the BIOS said:
CDROM boot failure code: 0002
Boot from CD-Rom failed.
FATAL: Could not read from the boot disk.

I'm sure that the iso file is well. And I tried to start another domU which runs windows, and got the same result: CDROM boot failure.

regards,
Bin Tian.


Bin Tian wrote:
Thanks for your quick response.

The package xen-utils-common is already 3.0+hg11624-1. And I make some correction in the dom config according to the example, but the domU still cann't start. 
I checked the log in /var/log/xen/. No error in xend.log, but qemu-dm.log tell me that:
domid: 3
qemu: the number of cpus is 2
/etc/xen/qemu-ifup: could not launch network script
Could not initialize device 'tap'

And the file with name 'qemu-ifup' is not in /etc/xen/ but in
/etc/xen/scripts

dell-2950:/usr/lib/xen-ioemu-3.0-unstable/bin# strings qemu-dm | grep qemu-ifup
/etc/xen/qemu-ifup

I think that qemu-dm should be patched.

Best regards,
Bin Tian

Bastian Blank wrote:
On Thu, Sep 28, 2006 at 09:26:06AM +0800, Bin Tian wrote:
  
The HVM domU won't start. The following is the config (comments
stripped).
    

Please check for the existance of /usr/lib64/xen/bin/qemu-dm which you
defined as device_model. After that upgrade to xen-utils-common
3.0+hg11624-1 and check
/usr/share/doc/xen-utils-common/examples/xmexample.hvm.gz.

Bastian

  

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