kern/38789: Interval timer should use uptime, not real time.

[joerg%NetBSD.org@localhost]

>Number:         38789
>Category:       kern
>Synopsis:       Interval timer should use uptime, not real time.
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          change-request
>Submitter-Id:   net
>Arrival-Date:   Thu May 29 15:30:01 +0000 2008
>Originator:     Joerg Sonnenberger <joerg%NetBSD.org@localhost>
>Release:        NetBSD 4.99.61
>Organization:
TNF
>Environment:
System: NetBSD britannica.bec.de 4.99.61 NetBSD 4.99.61 (LATITUDE) #4: Sun Apr 
27 17:06:22 CEST 2008 
joerg%britannica.bec.de@localhost:/data/NetBSD/src/sys/arch/amd64/compile/LATITUDE
 amd64
Architecture: x86_64
Machine: amd64
>Description:
See http://mail-index.netbsd.org/tech-kern/2008/05/24/msg001454.html

APM and ACPI S3/S4 need special attention.
>How-To-Repeat:
>Fix: