> That is a really nasty problem. You need a synchronization primitive > which guarantees a flat stack, so you can't do it in the interrupt > handler as I have tried to do. I'll bang my head on it awhile. In the > meantime, were there ever any solutions to the syscall patching problem > that might lend me a clue as to what to do (or not to do, or impossible?). yes we just disallowed it :) -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com