After installing XEN-Server and Xen-Tools via YAST the system freezes after choosing the XEN-Kernel in Grub.
I made a shot of the screen and attached it:
After installing virtualization,
Did you update your system? (Can be very important)
If you haven’t, you can still boot to the regular kernel and run the following command from an elevated console
zypper up
Also, regarding you bugzilla comment about not knowing how to collect log information, this is the link to the page which describes a many ways to collect log data
The link I gave you should provide you with a way (IMO it’s fairly complete and covers most situations I know of). If you really can’t figure out how to collect a log, post again.