gdb and linuxthreads (A deadlock in linuxthreads.)

[Ulrich Drepper]

Xavier Leroy <Xavier.Leroy@inria.fr> writes:

> Hmph.  That's interesting.  I'll try to think of a scenario that
> explains this.  Sometimes, I fear the memory subsystem doesn't
> implement strong ordering on memory accesses like it's supposed to do
> according to the docs...

Xavier,

Your patch makes things much worse for me.  Now even ex2 and ex3 hand
frequently.  With the code currently in the CVS archive I haven't seen
any hangs (though I haven't run ex6 very often).  With your changes
ex2, ex3, and ex6 hang almost always.

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