Subject: Re: Strange VM behaviour
To: Chuck Silvers <>
From: Lennart Augustsson <>
List: tech-kern
Date: 02/04/2001 15:20:28
Yes, my tree is very up-todate.  I've had this problem ever since UBC was
integrated.  It's not the same as the problem Jason fixed.  Jason's fix makes
interactive response better under heavly load.  Note that when my machine
freezes there is NO disk activity.

    -- Lennart

Chuck Silvers wrote:

> have you updated your tree lately?  jason made some changes recently that
> are supposed to make this much less of a problem.
> -Chuck
> On Sun, Feb 04, 2001 at 12:13:16PM -0500, Lennart Augustsson wrote:
> > When my machine is heavily loaded memory-wise (which happens a lot
> > with UBC) I've observed a strange behaviour.  Perhaps it's normal, but I
> > doubt it.
> > All of a sudden the machine freezes.  I can't move the mouse, there is no
> > sound from my speakers anymore, and there is no disk activity.  This lasts
> > 1 - 5 seconds and then everything is back to normal again (i.e. paging like
> > crazy).
> > Can anyone shed any light?  (No, I've not been able to switch console
> > to get into the debugger, so no stack traces.)
> >
> >     -- Lennart
> >