Re: Periodic Fedora 9 system hangs with jumpy mouse

[Alan Cox <alan lxorguk ukuu org uk>]

O> > I wonder if LUKS + swap might be the first suspect
> 
> Well, I looked a little closer and it may be my fault.  The LVM
> I have swap in was only 32 MB in size, not the 32 GB I had
> intended!  So my swap is way smaller than my physical memory.
> 
> Would that excessively small swap space size had resulted
> in the abrupt hanging behavior I had witnessed?

If something suddenly ate a lot of memory.

> I'm going to try to resize things and get my swap back up
> to 32 GB.  A little tricky due to LUKS being in the mix, but
> I should be able to do it.


Once you've done that run it for a bit and see if it seems to be
gradually eating through swap. The overcommit test will probably work
sanely as well with 1GB+ of swap 8)


Alan