kern/73245: 'swap-in' causes several second hesitation on mouse and keyboard input

Giorgos Keramidas keramida at ceid.upatras.gr
Thu Oct 28 13:40:32 PDT 2004


The following reply was made to PR kern/73245; it has been noted by GNATS.

From: Giorgos Keramidas <keramida at ceid.upatras.gr>
To: bob frazier <bobf at mrp3.com>
Cc: bug-followup at freebsd.org
Subject: Re: kern/73245: 'swap-in' causes several second hesitation on mouse and keyboard input
Date: Thu, 28 Oct 2004 23:38:19 +0300

 On 2004-10-28 16:20, bob frazier <bobf at mrp3.com> wrote:
 > when an inactive process 'swaps out', several seconds can pass before
 > the process will accept any input again if the process is
 > re-activated.  This primarily takes place while xorg is running,
 > though it is not restricted to xorg.
 
 I've seen this happen on CURRENT too.  After a bit of testing I found out that
 this does not happen if you set vm.swap_idle_enabled=0 in your `sysctl.conf'.
 
 Can you try this and let me know if it works for you too?
 
 Note though that this is a workaround, not a real fix of the real cause.


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