Re: [BProc] pthreads & bproc, round 2

[Nicholas H. <he...@se...>]

On Wed, 2003-07-09 at 13:52, er...@he... wrote:
> 
> Well, that's encouraging at least.  There's definitely some bogosity
> fixed by that patch but I guess there's more.

Yeah -- after a while, all of them are hung again.

> 
> Are you still getting processes which are unkillable w/ signal 9?  The
> processes that you had to go and kill on the node, they were gone from
> the master's process tree, right?

Nope -- see attached.

> 
> Here's another thing to try as a diagnostic.  Comment out this line in
> daemons/master.c
> 
>                 do_parent_exit(req);
> 
> I think there might be something sketchy going on with that code
> although I'm don't know exactly what.  Removing the "parent exit"
> stuff will have some implications for correctness - getppid() might
> return the wrong answer if your parent was on another node and it has
> exited.  It *shouldn't* have any implications beyond that, however.
> 
> I need to try to replicate this problem again.

I will see what this does....

Nic
-- 
Nicholas Henke
Penguin Herder & Linux Cluster System Programmer
Liniac Project - Univ. of Pennsylvania