RE: Multiprocessor crash.

Tech-Archive recommends: Repair Windows Errors & Optimize Windows Performance

Hi Pete,

Why do you get crash because of the thread context? Is it because some
shared data/state are corrupted during multithreading?

We should not rely on any of the order of OS thread scheduler for
multithreading execution for thread safety. So if any shared resource is
corrupted, you'd better implement some protection to fix the problem
instead of forcing the scheduler to meet your execution order expection.

As Mark pointed out, it is possible the second thread is executed by the
second processor instead of preemptting the first processor used by the
OnUpdateWorklistGui. Also, it is possible the quantum of the
OnUpdateWorklistGui thread has expired, so the scheduler switches to
another thread.

Can you provide more information about your crash, so that we can analysis
to find out the root cause. Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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