Index: trunk/packages/invirt-web/code/controls.py
===================================================================
--- trunk/packages/invirt-web/code/controls.py	(revision 2802)
+++ trunk/packages/invirt-web/code/controls.py	(revision 2803)
@@ -74,4 +74,17 @@
         raise InvalidInput('action', 'create',
                            'VM %s is already on' % machine.name)
+    elif 'I need' in err and 'but dom0_min_mem is' in err:
+        raise InvalidInput('action', 'create',
+                           "We're really sorry, but our servers don't have enough capacity to create your VM right now. Try creating a VM with less RAM, or shutting down another VM of yours. Feel free to ask %s if you would like to know when we plan to have more resources." % (config.contact))
+    elif ('Booting VMs is temporarily disabled for maintenance, sorry' in err or
+          'LVM operations are temporarily disabled for maintenance, sorry' in err):
+        raise InvalidInput('action', 'create',
+                           err)
+    elif "Boot loader didn't return any data!" in err:
+        raise InvalidInput('action', 'create',
+                           "The ParaVM bootloader was unable to find an operating system to boot. Do you have GRUB configured correctly?")
+    elif 'xc_dom_find_loader: no loader found' in err:
+        raise InvalidInput('action', 'create',
+                           "The ParaVM bootloader was unable to boot the kernel you have configured. Are you sure this kernel is capable of running as a Xen ParaVM guest?")
     elif err:
         raise CodeError('"%s" on "control %s create %s' 
Index: trunk/packages/invirt-web/debian/changelog
===================================================================
--- trunk/packages/invirt-web/debian/changelog	(revision 2802)
+++ trunk/packages/invirt-web/debian/changelog	(revision 2803)
@@ -1,2 +1,9 @@
+invirt-web (0.1.3) unstable; urgency=low
+
+  * Add some more user-friendly error handling for common errors. (LP:
+    #307296)
+
+ -- Evan Broder <broder@mit.edu>  Mon, 28 Dec 2009 13:03:00 -0600
+
 invirt-web (0.1.2) unstable; urgency=low