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SubjectRE: [PATCH V6 0/6] Intel memory b/w monitoring support
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Some tracing printk() show that we are calling update_sample() with totally bogus arguments.

There are a few good calls, then I see rmid=-380863112 evt_type=-30689 first=0

That turns into a wild vrmid, and we fault accessing mbm_current->prev_msr

-Tony


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