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+[[!meta copyright="Copyright © 2012 Free Software Foundation, Inc."]]
+[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable
+id="license" text="Permission is granted to copy, distribute and/or modify this
+document under the terms of the GNU Free Documentation License, Version 1.2 or
+any later version published by the Free Software Foundation; with no Invariant
+Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license
+is included in the section entitled [[GNU Free Documentation
+[[!tag open_issue_libpthread]]
+# IRC, freenode, #hurd, 2012-08-17
+ <braunr> pthread_cond_timedwait and pthread_mutex_timedlock *can* produce
+ segfaults in our implementation
+ <braunr> if a timeout happens, but before the thread dequeues itself,
+ another tries to wake it, it will be dequeued twice
+ <braunr> this is the issue i spent a week on when working on fixing select