[Fedora-xen] XEN-3.0.3 on RHEL-5, fully virtualized guest of RH72 won't start after install finishes.

Ben Russo ben at muppethouse.com
Mon Jun 11 21:51:17 UTC 2007


I have many boxes running rh-7.2
(these are stripped down, minimal installs, for appliances on a private 
network that isn't routable)  I want to run VIRTUAL images of the
same setup for testing purposes.

I read the Fedora 6 XEN getting started guide and skimmed through the 
FAQ.  I browsed through this mailing list to see if I could find my
problem here as well. No luck.

I have a Dell-2950 with Quad Core XEON processors, PAE, VMX, and it is 
enabled in BIOS.  8GB RAM, 2GB assigned to Dom0

Booted into RHEL-5 Xen kernel, installed all the latest patches as of 
6/11/2007, and rebooted.

Then Started Virtual Machine Manager GUI
Selected "New..." from File menu and followed the wizard.
then installed FULLY VIRTUALIZED
RH-72 from original Red Hat 7.2 CD's
this went fine with the
Virtual Machine Manager GUI "New Machine" wizard.
The only non-usual thing I did for an RH72 install was
to give it the kernel boot option mem=500M

After the install completed, the DomU guest said it was now going to
reboot and I should remove any CD's.

Then the DomU disappeared.

It took me forever to figure out that I couldn't use the virt-manager 
GUI to restore a DomU configuration file.  There really should be
a more intuitive way for this to work.  I am not a dummy, and it took
me forever to figure out how to start the DomU again.

Now that I figured out that I have to go to a command line prompt and
type "xm create -c /etc/xen/rh72-test",
I find out that the new guest gets a kernel panic on bootup
after the bootup menu

Unfortunately the messages scroll by really fast, and I can't catch
them all, but at the end, the last page visible in the VNC console
says:
====================================================================
Enabling unmasked SIMD FPU exception support... done.
Checking 'hlt' instruction... OK.
POSIX conformance testing by UNIFIX
Unable to handle kernel paging request at virtual address ffffffff
  printing eip:
c0204a00
*pde = 00001063
*pte = 00000000
Oops: 0000
CPU:    0
EIP:    0010:[<c0204a00>]
EFLAGS: 00010202
eax: fffffff   ebx: 00000000   ecx: 00000004   edx: 00000004
esi: fffffff   edi: c0229972   ebp: 0008e000   esp: c0257fb4
ds: 0018   es: 0018   ss: 0018
Process swapper (pid: 0, stackpage=c0257000)
Stack: c026d6e8 0000000 c024....
        ...
        ...
Call Trace: [<....

Code: f3 a6 ...
  <0>Kernel panic: Attempted to kill the idle task!
In idle task - not syncing
====================================================================

The console where I ran the "xm create..." command shows nothing out
of the ordinary.

xm dmesg shows:   #######  START xm dmesg #############
(XEN) (file=hvm.c, line=197) Allocated port 3 for hvm.
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83fc 
(pseudophys a0):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83fb 
(pseudophys a1):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83fa 
(pseudophys a2):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f9 
(pseudophys a3):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f8 
(pseudophys a4):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f7 
(pseudophys a5):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f6 
(pseudophys a6):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f5 
(pseudophys a7):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f4 
(pseudophys a8):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f3 
(pseudophys a9):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f2 
(pseudophys aa):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f1 
(pseudophys ab):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83f0 
(pseudophys ac):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83ef 
(pseudophys ad):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83ee 
(pseudophys ae):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83ed 
(pseudophys af):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83ec 
(pseudophys b0):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83eb 
(pseudophys b1):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83ea 
(pseudophys b2):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e9 
(pseudophys b3):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e8 
(pseudophys b4):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e7 
(pseudophys b5):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e6 
(pseudophys b6):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e5 
(pseudophys b7):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e4 
(pseudophys b8):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e3 
(pseudophys b9):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e2 
(pseudophys ba):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e1 
(pseudophys bb):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83e0 
(pseudophys bc):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83df 
(pseudophys bd):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83de 
(pseudophys be):            count=2 type=0
(XEN) (file=memory.c, line=188) Dom7 freeing in-use page a83dd 
(pseudophys bf):            count=2 type=0
(XEN) vmx_do_launch(): GUEST_CR3<=001adda0, HOST_CR3<=001adca0
(XEN) (GUEST: 7) HVM Loader
(XEN) (GUEST: 7) Detected Xen v3.0.3-rc5-8.1.4.el
(XEN) (GUEST: 7) Writing SMBIOS tables ...
(XEN) (GUEST: 7) Loading ROMBIOS ...
(XEN) (GUEST: 7) Creating MP tables ...
(XEN) (GUEST: 7) Loading Cirrus VGABIOS ...
(XEN) (GUEST: 7) Loading ACPI ...
(XEN) (GUEST: 7) Loading VMXAssist ...
(XEN) (GUEST: 7) VMX go ...
(XEN) (GUEST: 7) VMXAssist (Mar  8 2007)
(XEN) (GUEST: 7) Memory size 500 MB
(XEN) (GUEST: 7) E820 map:
(XEN) (GUEST: 7) 0000000000000000 - 000000000009F000 (RAM)
(XEN) (GUEST: 7) 000000000009F000 - 00000000000A0000 (Reserved)
(XEN) (GUEST: 7) 00000000000A0000 - 00000000000C0000 (Type 16)
(XEN) (GUEST: 7) 00000000000F0000 - 0000000000100000 (Reserved)
(XEN) (GUEST: 7) 0000000000100000 - 000000001F3F0000 (RAM)
(XEN) (GUEST: 7) 000000001F3F0000 - 000000001F3FA000 (ACPI Data)
(XEN) (GUEST: 7) 000000001F3FA000 - 000000001F3FD000 (ACPI NVS)
(XEN) (GUEST: 7) 000000001F3FD000 - 000000001F3FE000 (Type 19)
(XEN) (GUEST: 7) 000000001F3FE000 - 000000001F3FF000 (Type 18)
(XEN) (GUEST: 7) 000000001F3FF000 - 000000001F400000 (Type 17)
(XEN) (GUEST: 7) 00000000FEC00000 - 0000000100000000 (Type 16)
(XEN) (GUEST: 7)
(XEN) (GUEST: 7) Start BIOS ...
(XEN) (GUEST: 7) Starting emulated 16-bit real-mode: ip=F000:FFF0
(XEN) (GUEST: 7)  rombios.c,v 1.138 2005/05/07 15:55:26 vruppert Exp $
(XEN) (GUEST: 7) Remapping master: ICW2 0x8 -> 0x20
(XEN) (GUEST: 7) Remapping slave: ICW2 0x70 -> 0x28
(XEN) (GUEST: 7) VGABios $Id: vgabios.c,v 1.61 2005/05/24 16:50:50 
vruppert Exp            $
(XEN) (GUEST: 7) HVMAssist BIOS, 1 cpu, $Revision: 1.138 $ $Date: 
2005/05/07 15:           55:26 $
(XEN) (GUEST: 7)
(XEN) (GUEST: 7) ata0-0: PCHS=12190/16/63 translation=none LCHS=1024/16/63
(XEN) (GUEST: 7) ata0 master: QEMU HARDDISK ATA-7 Hard-Disk (6000 MBytes)
(XEN) (GUEST: 7) ata0  slave: Unknown device
(XEN) (GUEST: 7)
(XEN) (GUEST: 7) Booting from Hard Disk...
(XEN) (GUEST: 7) int13_harddisk: function 41, unmapped device for ELDL=81
(XEN) (GUEST: 7) int13_harddisk: function 08, unmapped device for ELDL=81
(XEN) (GUEST: 7) *** int 15h function AX=00C0, BX=0000 not yet supported!
(XEN) (GUEST: 7) int13_harddisk: function 15, unmapped device for ELDL=81
(XEN) (GUEST: 7) KBD: unsupported int 16h function 03
(XEN) (GUEST: 7) int13_harddisk: function 15, unmapped device for ELDL=81
##################  end xm dmesg

There is nothing in /var/log/xen/xend-debug.log
This is what is in the /var/log/xen/xend.log

#####  START xend.log
[2007-06-11 17:31:21 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:190) XendDomainInfo.create(['vm', ['name', 
'rh72_test1'], ['memory', '500'], ['on_reboot', 'restart'], ['on_crash', 
'restart'], ['vcpus', 1], ['uuid', 
'f7dff459-6b52-4d6f-d40f-087cdbf08b05'], ['image', ['hvm', ['kernel', 
'/usr/lib/xen/boot/hvmloader'], ['device_model', 
'/usr/lib/xen/bin/qemu-dm'], ['pae', 1], ['vcpus', 1], ['boot', 'c'], 
['serial', 'pty'], ['vnc', 1], ['vncunused', 1], ['display', ':0.0'], 
['xauthority', '/tmp/.gdm82ZSTT'], ['acpi', 1], ['apic', 1], 
['vncpasswd', None]]], ['device', ['vbd', ['uname', 
'file:/opt/xen-machines/rh72-test/rh72_test1.disk1'], ['dev', 'hda'], 
['mode', 'w']]], ['device', ['vif', ['bridge', 'xenbr0'], ['mac', 
'00:16:3e:26:f0:37'], ['type', 'ioemu']]], ['device', ['vkbd']], 
['device', ['vfb', ['vncunused', '1'], ['type', 'vnc'], ['xauthority', 
'/tmp/.gdm82ZSTT'], ['display', ':0.0']]]])
[2007-06-11 17:31:21 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:296) parseConfig: config is ['vm', ['name', 
'rh72_test1'], ['memory', '500'], ['on_reboot', 'restart'], ['on_crash', 
'restart'], ['vcpus', 1], ['uuid', 
'f7dff459-6b52-4d6f-d40f-087cdbf08b05'], ['image', ['hvm', ['kernel', 
'/usr/lib/xen/boot/hvmloader'], ['device_model', 
'/usr/lib/xen/bin/qemu-dm'], ['pae', 1], ['vcpus', 1], ['boot', 'c'], 
['serial', 'pty'], ['vnc', 1], ['vncunused', 1], ['display', ':0.0'], 
['xauthority', '/tmp/.gdm82ZSTT'], ['acpi', 1], ['apic', 1], 
['vncpasswd', None]]], ['device', ['vbd', ['uname', 
'file:/opt/xen-machines/rh72-test/rh72_test1.disk1'], ['dev', 'hda'], 
['mode', 'w']]], ['device', ['vif', ['bridge', 'xenbr0'], ['mac', 
'00:16:3e:26:f0:37'], ['type', 'ioemu']]], ['device', ['vkbd']], 
['device', ['vfb', ['vncunused', '1'], ['type', 'vnc'], ['xauthority', 
'/tmp/.gdm82ZSTT'], ['display', ':0.0']]]]
[2007-06-11 17:31:21 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:397) parseConfig: result is {'shadow_memory': None, 
'start_time': None, 'uuid': 'f7dff459-6b52-4d6f-d40f-087cdbf08b05', 
'on_crash': 'restart', 'on_reboot': 'restart', 'localtime': None, 
'image': ['hvm', ['kernel', '/usr/lib/xen/boot/hvmloader'], 
['device_model', '/usr/lib/xen/bin/qemu-dm'], ['pae', 1], ['vcpus', 1], 
['boot', 'c'], ['serial', 'pty'], ['vnc', 1], ['vncunused', 1], 
['display', ':0.0'], ['xauthority', '/tmp/.gdm82ZSTT'], ['acpi', 1], 
['apic', 1], ['vncpasswd', None]], 'on_poweroff': None, 
'bootloader_args': None, 'cpus': None, 'name': 'rh72_test1', 'backend': 
[], 'vcpus': 1, 'cpu_weight': None, 'features': None, 'vcpu_avail': 
None, 'memory': 500, 'device': [('vbd', ['vbd', ['uname', 
'file:/opt/xen-machines/rh72-test/rh72_test1.disk1'], ['dev', 'hda'], 
['mode', 'w']]), ('vif', ['vif', ['bridge', 'xenbr0'], ['mac', 
'00:16:3e:26:f0:37'], ['type', 'ioemu']]), ('vkbd', ['vkbd']), ('vfb', 
['vfb', ['vncunused', '1'], ['type', 'vnc'], ['xauthority', 
'/tmp/.gdm82ZSTT'], ['display', ':0.0']])], 'bootloader': None, 'cpu': 
None, 'maxmem': None}
[2007-06-11 17:31:21 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:1264) XendDomainInfo.construct: None
[2007-06-11 17:31:22 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:1296) XendDomainInfo.initDomain: 7 1.0
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: boot, val: c
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: fda, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: fdb, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: soundhw, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: localtime, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: serial, val: pty
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: std-vga, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: isa, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: vcpus, val: 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: acpi, val: 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: usb, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: usbdevice, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (image:329) args: k, val: None
[2007-06-11 17:31:22 xend 3251] DEBUG (balloon:127) Balloon: 6216092 KiB 
free; need 528560; done.
[2007-06-11 17:31:22 xend 3251] INFO (image:136) buildDomain os=hvm 
dom=7 vcpus=1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:282) dom            = 7
[2007-06-11 17:31:22 xend 3251] DEBUG (image:283) image          = 
/usr/lib/xen/boot/hvmloader
[2007-06-11 17:31:22 xend 3251] DEBUG (image:284) store_evtchn   = 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:285) memsize        = 500
[2007-06-11 17:31:22 xend 3251] DEBUG (image:286) vcpus          = 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:287) pae            = 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:288) acpi           = 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:289) apic           = 1
[2007-06-11 17:31:22 xend 3251] DEBUG (image:435) hvm shutdown watch 
registered
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:110) DevController: 
writing {'backend-id': '0', 'virtual-device': '768', 'device-type': 
'disk', 'state': '1', 'backend': '/local/domain/0/backend/vbd/7/768'} to 
/local/domain/7/device/vbd/768.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:112) DevController: 
writing {'domain': 'rh72_test1', 'frontend': 
'/local/domain/7/device/vbd/768', 'dev': 'hda', 'state': '1', 'params': 
'/opt/xen-machines/rh72-test/rh72_test1.disk1', 'mode': 'w', 'online': 
'1', 'frontend-id': '7', 'type': 'file'} to 
/local/domain/0/backend/vbd/7/768.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:110) DevController: 
writing {'state': '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vif/7/0'} to /local/domain/7/device/vif/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:112) DevController: 
writing {'bridge': 'xenbr0', 'domain': 'rh72_test1', 'handle': '0', 
'script': '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': 
'/local/domain/7/device/vif/0', 'mac': '00:16:3e:26:f0:37', 'online': 
'1', 'frontend-id': '7', 'type': 'ioemu'} to 
/local/domain/0/backend/vif/7/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:110) DevController: 
writing {'state': '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vkbd/7/0'} to /local/domain/7/device/vkbd/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:112) DevController: 
writing {'frontend-id': '7', 'domain': 'rh72_test1', 'frontend': 
'/local/domain/7/device/vkbd/0', 'state': '1', 'online': '1'} to 
/local/domain/0/backend/vkbd/7/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:110) DevController: 
writing {'state': '1', 'backend-id': '0', 'backend': 
'/local/domain/0/backend/vfb/7/0'} to /local/domain/7/device/vfb/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (DevController:112) DevController: 
writing {'vncunused': '1', 'domain': 'rh72_test1', 'frontend': 
'/local/domain/7/device/vfb/0', 'xauthority': '/tmp/.gdm82ZSTT', 
'state': '1', 'online': '1', 'frontend-id': '7', 'type': 'vnc', 
'display': ':0.0'} to /local/domain/0/backend/vfb/7/0.
[2007-06-11 17:31:22 xend 3251] DEBUG (vfbif:92) No VNC passwd 
configured for vfb access
[2007-06-11 17:31:22 xend 3251] INFO (image:418) spawning device models: 
/usr/lib/xen/bin/qemu-dm ['/usr/lib/xen/bin/qemu-dm', '-d', '7', '-m', 
'500', '-boot', 'c', '-serial', 'pty', '-vcpus', '1', '-acpi', 
'-domain-name', 'rh72_test1', '-net', 
'nic,vlan=1,macaddr=00:16:3e:26:f0:37,model=rtl8139', '-net', 
'tap,vlan=1,bridge=xenbr0', '-vncunused', '-vnclisten', '127.0.0.1']
[2007-06-11 17:31:22 xend 3251] INFO (image:420) device model pid: 6463
[2007-06-11 17:31:22 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:715) Storing VM details: {'shadow_memory': '3', 'uuid': 
'f7dff459-6b52-4d6f-d40f-087cdbf08b05', 'on_reboot': 'restart', 
'start_time': '1181597482.26', 'on_poweroff': 'destroy', 'name': 
'rh72_test1', 'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': 
'1', 'memory': '500', 'on_crash': 'restart', 'image': "(hvm (kernel 
/usr/lib/xen/boot/hvmloader) (device_model /usr/lib/xen/bin/qemu-dm) 
(pae 1) (vcpus 1) (boot c) (serial pty) (vnc 1) (vncunused 1) (display 
:0.0) (xauthority /tmp/.gdm82ZSTT) (acpi 1) (apic 1) (vncpasswd 
'None'))", 'maxmem': '500'}
[2007-06-11 17:31:22 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:750) Storing domain details: {'console/port': '2', 
'name': 'rh72_test1', 'console/limit': '1048576', 'vm': 
'/vm/f7dff459-6b52-4d6f-d40f-087cdbf08b05', 'domid': '7', 
'cpu/0/availability': 'online', 'memory/target': '512000', 
'store/ring-ref': '757982', 'store/port': '1'}
[2007-06-11 17:31:22 xend 3251] DEBUG (image:458) hvm_shutdown fired, 
shutdown reason=None
[2007-06-11 17:31:22 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:940) XendDomainInfo.handleShutdownWatch
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices vif.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:149) Waiting for 0.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:471) 
hotplugStatusCallback /local/domain/0/backend/vif/7/0/hotplug-status.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:485) 
hotplugStatusCallback 1.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices usb.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices vbd.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:149) Waiting for 768.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:471) 
hotplugStatusCallback /local/domain/0/backend/vbd/7/768/hotplug-status.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:471) 
hotplugStatusCallback /local/domain/0/backend/vbd/7/768/hotplug-status.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:485) 
hotplugStatusCallback 1.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices irq.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices vkbd.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:149) Waiting for 0.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:471) 
hotplugStatusCallback /local/domain/0/backend/vkbd/7/0/hotplug-status.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:485) 
hotplugStatusCallback 1.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices vfb.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:149) Waiting for 0.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:471) 
hotplugStatusCallback /local/domain/0/backend/vfb/7/0/hotplug-status.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:485) 
hotplugStatusCallback 1.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices pci.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices ioports.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices tap.
[2007-06-11 17:31:23 xend 3251] DEBUG (DevController:143) Waiting for 
devices vtpm.
[2007-06-11 17:31:23 xend 3251] INFO (XendDomain:370) Domain rh72_test1 
(7) unpaused.
[2007-06-11 17:41:01 xend 3251] DEBUG (image:458) hvm_shutdown fired, 
shutdown reason=halt
[2007-06-11 17:41:01 xend.XendDomainInfo 3251] INFO (XendDomainInfo:899) 
Domain has shutdown: name=rh72_test1 id=7 reason=halt.
[2007-06-11 17:41:01 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:1463) XendDomainInfo.destroy: domid=7
[2007-06-11 17:41:01 xend.XendDomainInfo 3251] DEBUG 
(XendDomainInfo:1471) XendDomainInfo.destroyDomain(7)
[2007-06-11 17:41:01 xend 3251] DEBUG (image:447) hvm shutdown watch 
unregistered
########### end xend.log

My config file looks like this:
[root at testxen xen]# cat /etc/xen/rh72_test1
# Automatically generated xen config file
name = "rh72_test1"
builder = "hvm"
memory = "500"
disk = [ 'file:/opt/xen-machines/rh72-test/rh72_test1.disk1,hda,w', ]
vif = [ 'type=ioemu, mac=00:16:3e:26:f0:37, bridge=xenbr0', ]
uuid = "f7dff459-6b52-4d6f-d40f-087cdbf08b05"
device_model = "/usr/lib/xen/bin/qemu-dm"
kernel = "/usr/lib/xen/boot/hvmloader"
#kernel = "/opt/xen-machines/rh72-test/vmlinuz-2.4.7-10"
#ramdisk = "/opt/xen-machines/rh72-test/initrd-2.4.7-10.img"
vnc=1
vncunused=1
apic=1
acpi=1
pae=1

vcpus=1
serial = "pty" # enable serial console
on_reboot   = 'restart'
on_crash    = 'restart'
#--- END CONFIG FILE


Any ideas?
I would have thought that a fully virtualized host would be pretty 
foolproof?





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