[issue1864] thr_umtx_wait: FAULT VALUE CHANGE X -> Y oncond 0x28340524

New submission from Venkatesh Srinivas <[e-mail]>:

thr_umtx_wait: FAULT VALUE CHANGE 408 -> 409 oncond 0x28340524

or many variants thereof seem to be reported by a number of applications. This is 
reported by: 
http://grok.x12.su/source/xref/dragonfly/lib/libthread_xu/thread/thr_umtx.c#140, 
inside _thr_umtx_wait.

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messages: 9047
nosy: vsrinivas
status: unread
title: thr_umtx_wait: FAULT VALUE CHANGE X -> Y oncond 0x28340524

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