Brian de Alwis <bsd@cs.ubc.ca> writes:

> Were you viewing any files using an external viewer?  I've found
> that Firefox often `hangs' when opening a second PDF using xpdf --
> until I quit the other xpdf instance.

I've notice this with the flash plugin with nspluginwrapper.  "pkill
npviewer.bin" has worked wonders.   My system is i386/current, 2 CPUs.

I'll try to look at ps next time.