PATCH [PPC64]: dead processes never reaped

Linas Vepstas linas at austin.ibm.com
Fri May 6 07:57:25 EST 2005


On Wed, Apr 20, 2005 at 03:44:10PM +1000, Benjamin Herrenschmidt was heard to remark:
> On Mon, 2005-04-18 at 14:38 -0500, Linas Vepstas wrote:
> > 
> > The patch below appears to fix a problem where a number of dead processes
> > linger on the system.  On a highly loaded system, dozens of processes 
> > were found stuck in do_exit(), calling thier very last schedule(), and
> > then being lost forever.  

And this problem seems to be unreproducible.  Dang, it was one of the
more interesting ones I've seen.

--linas



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