the lock is in the bss.  maybe the wrong page gets accessed after fork.

Charles Forsyth <charles.forsyth@gmail.com> wrote:

>I've got one of those that was fine last time I tried it. I'll try it in the morning.
>
>I wonder whether the change of lock to use semacquire instead of tas doesn't work well on the (that) ARM.
>
>It seems a strange coincidence that it always fails there.
>
>
>