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Aug 9, 2012, 8:26 AM
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Xen 4.1.3rc XendAPI warnings and XendDomainInfo Problems (Rebooting fails)
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Hello,
I'm having some trouble with Xen 4.1.3rc (previously 4.1.2 with the same
issues). The problem was first identified by a lack of rebooting
capability from DomU's. Ubuntu (PV), CentOS (PV), and Windows DomU systems
would run well, but simply halt on reboot request. The domain-specific log
file shows this:
:> Done. Rebooting now
:> failed to run bootloader: -3
and within the xend.log:
:> ERROR (XendDomainInfo:3244) Had a bootloader specified, but no disks are
bootable
After looking at the XendDomainInfo.py file, it appears that it's looking
at a variable called "vbd_refs" to locate a bootable disk for the DomU.
The call to XendDomainInfo.create_from_dict shows vbd_refs as "[]".
Further examination of the logs shows some errors about the XendAPI,
including the following:
:> WARNING (XendAPI:708) API call: VBD.set_type not found
:> WARNING (XendAPI:708) API call: session.get_all_records not found
:> WARNING (XendAPI:708) API call: event.get_record not found
:> WARNING (XendAPI:708) API call: event.get_all not found
A little information about my setup.
* Xen versions: 4.1.2 initially, then moved to 4.1.3rc to see if it
resolved the issue.
* Kernel: 3.2.20 (tried 3.3 and 2.6 as well)
* Compiled the kernel with options as specified for a Dom0 on the Xen wiki.
* SELinux is disabled.
* The firewall (netfilter / iptables) is disabled.
* The xencommons and xend services are started.
* The Linux DomU images were obtained from stacklet; the Windows DomU was
installed from ISO. Both exhibit the same problem rebooting.
* When creating the DomU via "xl create", the full path to the config file
is used.
And here's an example of my DomU config file:
bootloader = "/usr/bin/pygrub"
vcpus = 4
memory = 2048
name = "xxx_001"
vif = [ 'model=rtl8139,bridge=br0' ]
disk = [ 'phy:/dev/vbds/vm_p_xxx_root,xvda,w' ]
Has anyone seen this behavior before? Have I missed something so obvious
it's painful? Any pointers would be much appreciated.
Thanks,
Bill
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