Description

This test case will verify that a F-11 guest can be saved and restored.

How to test

Save the F-11 domU using:

$> virsh save f11 /var/lib/xen/save/f11-save

Wait 20 to 30 seconds, then run
```
$> virsh restore /var/lib/xen/save/f11-save
```
to restore the guest
After the guest is restored, make sure it has the right memory size, the right number of processors, no softlockups, etc.
Run the previous step with varying memory sizes for the guest, notably around the 4GB boundary.
Copy File:Xen-domu-stress-save-restore.c into the guest, then compile it with
```
$> gcc -O2 Xen-domu-stress-save-restore.c -o Xen-domu-stress-save-restore
```
Now run the resulting executable inside the guest
```
$> ./xen-domu-stress-save-restore
```

While the test is running in the guest, run a few save/restore iterations in the dom0:

$> for i in `seq 1 10` ; do virsh save f11 /var/lib/xen/save/f11-save ; virsh restore /var/lib/xen/save/f11-save ; done

Similarly, put the guest under some load - e.g. a kernel compile or program that allocates and modifies large amounts of memory - and run many save/restore iterations.

The save/restores complete successfully with no oops, lockups or error messages.