root@node1:~# modprobe xen-evtchn
FATAL: Error inserting xen_evtchn (/lib/modules/2.6.32-5-xen-amd64/kernel/drivers/xen/xen-evtchn.ko): No such device
root@node1:~# ls -la /lib/modules/2.6.32-5-xen-amd64/kernel/drivers/xen/
total 52
drwxr-xr-x 4 root root 4096 Jun 2 13:12 .
drwxr-xr-x 60 root root 4096 Jun 2 13:12 ..
-rw-r--r-- 1 root root 8744 May 19 03:47 acpi_processor.ko
drwxr-xr-x 2 root root 4096 Jun 2 13:12 blktap
-rw-r--r-- 1 root root 7456 May 19 03:47 xen_acpi_memhotplug.ko
-rw-r--r-- 1 root root 14656 May 19 03:47 xen-evtchn.ko
drwxr-xr-x 2 root root 4096 Jun 2 13:12 xenfs
root@node1:~#