Messages in this thread | | | Subject | ERESTARTSYS escaping from sem_wait with Preempt-RT | From | Blaise Gassend <> | Date | Sat, 10 Oct 2009 09:40:09 -0700 |
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Apologies, the message below is for Preempt-RT, not RTLinux. The original message with full details can be found here: http://lkml.org/lkml/2009/10/10/36
On Sat, 2009-10-10 at 02:09 -0700, Blaise Gassend wrote: > The attached python program, in which 500 threads spin with microsecond > sleeps, crashes with a "sem_wait: Unknown error 512" (conditions > described below). This appears to be due to an ERESTARTSYS generated > from futex_wait escaping to user space (libc). My understanding is that > this should never happen and I am trying to track down what is going on.
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