Just to add my 2 cents, I also get this error when I try and pass though a pci-e usb card or try to include the hdmi audio device from a ATI Radeon HD 7770 on Raring. The pass through of 2 gfx to 2 different vms works though, and pciback is used via an initscript.
(XEN) Xen version 4.2.1 (Ubuntu 4.2.1-0ubuntu3.2) (stefan.ba...@canonical.com) (gcc (Ubuntu/Linaro 4.7.3-1ubuntu1) 4.7.3) Mon Jun 10 15:23:30 UTC 2013 (XEN) Bootloader: GRUB 2.00-13ubuntu3 (XEN) Command line: placeholder ERROR (XendDomainInfo:108) Domain construction failed Traceback (most recent call last): File "/usr/lib/xen-4.2/bin/../lib/python/xen/xend/XendDomainInfo.py", line 106, in create vm.start() File "/usr/lib/xen-4.2/bin/../lib/python/xen/xend/XendDomainInfo.py", line 474, in start XendTask.log_progress(31, 60, self._initDomain) File "/usr/lib/xen-4.2/bin/../lib/python/xen/xend/XendTask.py", line 209, in log_progress retval = func(*args, **kwds) File "/usr/lib/xen-4.2/bin/../lib/python/xen/xend/XendDomainInfo.py", line 2936, in _initDomain raise VmError(str(exn)) VmError: (22, 'Invalid argument') -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1175155 Title: Error: (22, 'Invalid argument') To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1175155/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs