RE: VMX guest machine issue

Hi Sam,

 

FC5 release has some known issue to play with VMX in x86_64, e.g. destroying IA32 VMX will hang Xen0 and creating x86_64 VMX will reboot Xen0. This bug will be fixed in the FC5 update. I am not sure if it is there now. Seemed not?

 

A way is worthy to have a try, if you don’t want to wait for FC5 update to test. Get the Xen source RPM package from FC5 and only re-make xen (go into xen folder to do make, you don’t need to remake xen0 and xenU). After making finishes, copy xen.gz to /boot and replace the old hypervisor kernel. Reboot~.

 

I didn’t find any error in your config file. But the error info “it can't find hard drive“ is very strange. Did you try the FC5 or FC4 ISO to install? Have a look at /var/log/xend.log to see if the disk option (hda) has been sent to qemu, such like:

 /usr/lib64/xen/bin/qemu-dm', '-d', '1’, '-m', '256', '-boot', 'c', '-serial', 'pty', '-vcpus', '1', '-domain-name', 'ExampleHVMDomain', '-hda', '/xxx/xxx.img', '-hdb', '/xxx/yyy.img', '-macaddr', '00:16:3e:00:00:11', '-bridge', 'xenbr0', '-nics', '1'

 

BTW, you can find a lot of OS installed disk image in http://free.oszoo.org/ .

 

Best Regards,

Yongkang (Kangkang) 永康

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From: fedora-xen-bounces@xxxxxxxxxx [mailto:fedora-xen-bounces@xxxxxxxxxx] On Behalf Of sxu1902
Sent: 2006年3月29日 23:08
To: fedora-xen@xxxxxxxxxx
Subject: [Fedora-xen] VMX guest machine issue

 

 

Hi,

 

I am testing Xen3 on FC5. My FC5 is x86_64. My box is using Pentium D 920 on Asus P5LD2-VM motherboard with 2G RAM.

 

After installation, "xm list" shows domain0 running ok.

 

I use:

dd if=/dev/zero of=/hdd_mnt/sda5/g_img/gl112/gl112.img bs=1M count=1 seek=10240

to create iamge file.

 

And the paremeter file look like this:

 

# Automatically generated xen config file
name = "gl112"
builder = "hvm"
memory = "256"
acpi = 0
apic = 0
cdrom = '/hdd_mnt/sda5/dvd/CentOS-4.3-i386-binDVD.iso'
#cdrom = '/dev/cdrom'
boot = 'd'
disk = [ 'file:/hdd_mnt/sda5/g_img/gl112/gl112.img,ioemu:hda,w' ]
vif = [ 'type=ioemu,bridge=xenbr0,mac=00:17:3e:59:78:30' ]


#
kernel = '/usr/lib/xen/boot/hvmloader'
device_model = '/usr/lib64/xen/bin/qemu-dm'
sdl = 1  # use SDL for graphics
vnc = 0 # use VNC for graphics
vncviewer = 0 # spawn vncviewer by default
nographic = 0 # don't use graphics
serial = 'pty' # enable serial console

I tried different linux distributions as VMX guest. It appears to me the guest machine always reboot itself when loading the linux from CD images or CDs. Sometimes it even freezes domain0. Occasionally it boots into the installation CD (after reboot itself once) and tells me it can't find hard drive, so it can't proceed with the installation...

Anybody tested VMX? Any similar problems? Any suggestions?

Sam Xu

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