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From: "Kai Mosebach" <kai.mosebach@freshx.de>
To: <deischen@freebsd.org>
Date: Sun, 13 Jul 2003 15:52:50 +0200
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Subject: AW: EAGAIN failure on pthread_create
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> 
> On Sun, 13 Jul 2003, Kai Mosebach wrote:
> > Hi,
> >
> > i started using libkse instead of linuxthreads in my sapdb port, but
now
> > on kernelstart i get the message :
> >
> > 2003-07-13 15:29:20  4826 ERR 11008 TASKING  Could not create
thread:
> > 'Resource exeeed (curr:48)', rc = 1
> > 2003-07-13 15:29:20  4826 ERR 11908 SYSTEM   FATAL: Could not start
all
> > user task threads
> >
> > saying, that the return code of pthread_create is 1, and the number
of
> > created threads so far is 48, max_threads_per_proc is 150.
> 
> You probably are creating all your threads as scope system
> threads.  Each scope system threads consumes a KSEG (limited
> by kern.threads.max_grpups_per_proc).  I don't think you
> really need each thread to be scope system; try making
> the port use scope process[1].  If you insist that it does
> need scope system threads, then raise max_groups_per_proc.

Thought of this too, because max_groups_per_proc is 50 ...
First want it to run as system scope threads, (they are, you are
right;),
Then if working nice, i try to switch.

I think the threading part is the most tricky on in sapdb to port ...

> 
> [1] To anticipate the question, "will one thread blocking
>     block the entire process", no, other threads will be
>     run.
> 
> --
> Dan Eischen
>