[ubuntu] xen doesn't boot --12.10 install

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http://ubuntuforums.org – I have a fairly new intel motherboard (hopes of getting SR-IOV working on xen). When I install and try to boot xen over 12.10 ubuntu, I see the expected xen text scroll and then ... stall at black screen. After a LONG time after one boot, I see: [ 367.571827] BUG: soft lockup - CPU#9 stuck for 23s! [swapper/0:1] (yeah, I know that should be about 6 minutes) trying to switch to simple virtual terminal screens doesn't work at all. Everything works like a champ with a "normal" boot (vs. xen). https://help.ubuntu.com/community/Xen ? That's not working out for me at all. I have (Hardware)