On 01/11/2013 12:38 AM, Detlef Vollmann wrote:
> Hi,
>
> I'm testing a small program that in a tight (busy) loop checks that another
> thread has reached some specific state.
> With valgrind, this runs forever on some machines, and returns pretty soon on
> other (much slower) machines.
>
> Is this a known problem and is there a workaround?

Yes and yes.  Upgrade to 3.8.1 and use --fair-sched=yes.

J


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