Op Mon, 04 Aug 2008 21:58:21 +0000, schreef walt:

> Have you used strace before?  It's pretty simple to run, not so easy to
> interpret the output sometimes.  Example:  use 'top' to find the process
> that's using up the cpu, and then start strace like this: #strace -p
> pid-of-greedy-process
> and be prepared for tons of output to the console (or you can send it to
> a file instead with the -o flag).  Because pan is stuck in a loop
> somewhere, you should have plenty of data in two seconds or so, then hit
> Ctrl-C to stop strace.  Then the trick is to find a repeating pattern
> near the end of the strace output where you see the same system calls
> over and over again, and that should point you to what pan is doing with
> all those cpu cycles.  That's the theory :o)
> 

Okay, done that. The output is at

http://www.xs4all.nl/~benscho9/pan/

Ive set pan to get headers for a.b.image group or something. During the 
stals I fired strace for a few secs.

First three files were started during a stall en stoped before it 
continued. The fourth was while running happily and during the fifth it 
was running wel and bumped into a stall.

Btw, thanks guys for the help sofar.



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