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Jonas Genannt

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Friday, July 6. 2007

Xen - error: (22, 'Invalid argument')

If you want to start an DomU with xm create foo.bar.domain and you get the following output:
error: (22, 'Invalid argument')

I have found the following two possible problems:

  • DomU kernel has got no Xen support

  • DomU kernel uses PAE; hypervisor and Dom0 kernel does not support PAE

Posted by Jonas Genannt in debian, xen at 23:40 | Comment (1) | Trackbacks (0)

Sunday, May 20. 2007

Xen - 4gb seg fixup - Etch

If you get this "4gb seg fixup" message on tty and/or in your /var/log/messages after the reboot to the Xen Hypervisor on Etch, you should check if you installed libc6-xen on your system.

If not, install it, and reboot the system again.
Posted by Jonas Genannt in debian, xen at 15:35 | Comment (1) | Trackbacks (0)

Monday, October 23. 2006

Xen 3.0.2 - weird

If you get this error on starting up an domU:
Error: Device 769 (vbd) could not be connected. Backend device not found.


I have found two possible errors:

  • the disk = [ ] section is wrong ( loop file not found / LVM not found)

  • xen dom0 kernel missing loop device support (or to few possible devices [max_loop parameter])




Posted by Jonas Genannt in weird, xen at 00:21 | Comments (2) | Trackbacks (0)

Friday, April 14. 2006

Xen included to the kernel soon?

Today I have read on Heise.de that Xen is one step closer to go into the linux kernel.

I hope this would be soon, because I am a big fan of Xen.
Posted by Jonas Genannt in kernel, xen at 19:32 | Comments (0) | Trackbacks (0)

Tuesday, April 11. 2006

Xen 3.0.2 with Debian sarge - weird

If you get an error like this:
Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

You musst install hotplug with apt-get on the dom0 system.
After this installation you can start a new domU session...

Very crazy :-/
Posted by Jonas Genannt in debian, weird, xen at 20:17 | Comments (3) | Trackbacks (0)
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