Peter Guthrie wrote:
Can anyone help with the following error I get when trying to create my
first VM.
Xen0 host is FC5 x86_64 on a dual cpu, dual core opteron 275 with 4Gb of
memory up to date with patches.
# uname -a
Linux dhcp-201.local.net 2.6.17-1.2157_FC5xen0 #1 SMP Tue Jul 11
23:30:05 EDT 2006 x86_64 x86_64 x86_64 GNU/Linux
# xenguest-install.py
What is the name of your virtual machine? vmguest1
How much RAM should be allocated (in megabytes)? 512
What would you like to use as the disk (path)? /var/tmp/vmguest1-disk
How large would you like the disk to be (in gigabytes)? 8
What is the install location?
http://zeniiia.linux.org.uk/pub/distributions/fedora/linux/core/5/i386/os/
Starting install...
libvir: Xen Daemon error : POST operation failed: No such domain vmguest1
Failed to get devices for domain vmguest1
Traceback (most recent call last):
File "/usr/sbin/xenguest-install.py", line 460, in ?
main()
File "/usr/sbin/xenguest-install.py", line 451, in main
start_paravirt_install(name, ram, disk, mac, uuid, src, options.extra)
File "/usr/sbin/xenguest-install.py", line 331, in start_paravirt_install
dom = conn.createLinux(cfgxml, 0)
File "/usr/lib64/python2.4/site-packages/libvirt.py", line 233, in
createLinux if ret is None:raise libvirtError('virDomainCreateLinux()
failed')
libvirt.libvirtError: virDomainCreateLinux() failed
Here's the output from 'xm log':
[2006-08-10 16:47:50 xend.XendDomainInfo] DEBUG (XendDomainInfo:1216)
XendDomainInfo.construct: None
[2006-08-10 16:47:50 xend.XendDomainInfo] DEBUG (XendDomainInfo:1248)
XendDomainInfo.initDomain: 1 1.0
[2006-08-10 16:47:50 xend] DEBUG (balloon:134) Balloon: free 128; need
513; retries: 10.
[2006-08-10 16:47:50 xend] DEBUG (balloon:143) Balloon: setting dom0
target to 3393.
[2006-08-10 16:47:50 xend.XendDomainInfo] DEBUG (XendDomainInfo:987)
Setting memory target of domain Domain-0 (0) to 3393 MiB.
[2006-08-10 16:47:50 xend] DEBUG (balloon:128) Balloon: free 513; need
513; done.
[2006-08-10 16:47:50 xend] INFO (image:134) buildDomain os=linux dom=1
vcpus=1
[2006-08-10 16:47:50 xend] DEBUG (image:177) dom = 1
[2006-08-10 16:47:50 xend] DEBUG (image:178) image =
/var/lib/xen/vmlinuz.i0GIQN
[2006-08-10 16:47:50 xend] DEBUG (image:179) store_evtchn = 1
[2006-08-10 16:47:50 xend] DEBUG (image:180) console_evtchn = 2
[2006-08-10 16:47:50 xend] DEBUG (image:181) cmdline =
root=/dev/xvd
method=http://zeniiia.linux.org.uk/pub/distributions/fedora/linux/core/5/i386/os/
[2006-08-10 16:47:50 xend] DEBUG (image:182) ramdisk =
/var/lib/xen/initrd.img.4rNZB1
[2006-08-10 16:47:50 xend] DEBUG (image:183) vcpus = 1
[2006-08-10 16:47:50 xend] DEBUG (image:184) features =
[2006-08-10 16:47:50 xend.XendDomainInfo] ERROR (XendDomainInfo:197)
Domain construction failed
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 190, in create
vm.initDomain()
File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 1311, in initDomain
raise VmError(str(exn))
VmError: (9, \047Bad file descriptor\047)
[2006-08-10 16:47:50 xend.XendDomainInfo] DEBUG (XendDomainInfo:1397)
XendDomainInfo.destroy: domid=1
[2006-08-10 16:47:50 xend.XendDomainInfo] DEBUG (XendDomainInfo:1405)
XendDomainInfo.destroyDomain(1)
[2006-08-10 16:47:50 xend] ERROR (SrvBase:87) Request create failed.
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/web/SrvBase.py", line 85,
in perform
return op_method(op, req)
File
"/usr/lib64/python2.4/site-packages/xen/xend/server/SrvDomainDir.py",
line 82, in op_create
raise XendError("Error creating domain: " + str(ex))
XendError: Error creating domain: (9, \047Bad file descriptor\047)
Looks like some sort of path error creating one of the files.
Peter
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Peter,
Could you take a look at /var/log/xend-debug.log? My guess is that there are lines in there saying:
ERROR: Non PAE-kernel on PAE host.
ERROR: Error constructing guest OS
During the development of FC6, we decided to turn on PAE, but as the message above says, non-PAE kernels (i.e. FC5 kernels) will not boot on PAE hypervisors. Therefore, you will not be able to install an FC5 guest with an FC6 Hypervisor and dom0. You will need to point your installation to an FC6 development tree, which should have PAE enabled kernels.
Chris Lalancette
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