Michael van Elst wrote:

> simonb@wasabisystems.com (Simon Burge) writes:
> 
> >Here's a simple test case:  I've got mpd playing an mp3, and starting a
> >large read results in the "bad response" scenario, most noticably with
> >the song mpd is playing pausing a lot.
> 
> How can this be related to memory usage ? This looks more like a
> latency problem. The large read saturates the I/O channel to the
> disk and the small reads done by mpd are delayed. What happens
> when the mp3 is in mfs ?

The mp3 is coming from a different disk, and that disk was idle
for the duration of the test.  

> >Also, when I've noticed that when this box is in this "bad response"
> >state I get "keyboard bounce" while in X.  Quite often, a single
> >character repeats, so that at normal typing speed "youud see
> >someethingg  likke this".
> 
> Do you see more than double characters ? If it were a normal
> key repeat that was triggered by sluggish X server then you
> should also see more than one repetition.

I never see three or more characters, always two.

Simon.
--
Simon Burge                            <simonb@wasabisystems.com>
NetBSD Support and Service:         http://www.wasabisystems.com/