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I have a C++ app that uses a Jet database through DAO. Large queries work well up through Vista but lockup under Win7 on a multicore machine. I have tried both jet 3.5 and 4.0. Both fail. I have tried disabling threads in calling prog (my app) – still fails.
Calling
SetProcessAffinityMask(1<<GetCurrentProcessorNumber())is a rather brute-force way of restricting yourself to the current core only. But it’s of course better to use a debugger to determine why it locks up. Which two threads deadlock?