diff options
| author | jkim <jkim@FreeBSD.org> | 2010-08-13 20:43:19 +0000 |
|---|---|---|
| committer | jkim <jkim@FreeBSD.org> | 2010-08-13 20:43:19 +0000 |
| commit | 0622ee44e502fcb6534c4d84f1a289fed09a363f (patch) | |
| tree | 8a4b904d29030e871a1644046485cb4466226cc3 /etc/rc.resume | |
| parent | d713120364aa9a24581ed1d5780d41cdfc42339c (diff) | |
| download | FreeBSD-src-0622ee44e502fcb6534c4d84f1a289fed09a363f.zip FreeBSD-src-0622ee44e502fcb6534c4d84f1a289fed09a363f.tar.gz | |
Enforce ACPI timer as the timecounter hardware before we change sleep state
unless it is the current timer. When we have resumed successfully, restore
the previous timecounter hardware if it was changed earlier. Only the ACPI
timer is guaranteed to increase monotonically between S-state changes.
Diffstat (limited to 'etc/rc.resume')
| -rwxr-xr-x | etc/rc.resume | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/etc/rc.resume b/etc/rc.resume index 84e726e..da24a54 100755 --- a/etc/rc.resume +++ b/etc/rc.resume @@ -43,6 +43,12 @@ if [ -r /var/run/rc.suspend.pid ]; then echo 'rc.resume: killed rc.suspend that was still around' fi +if [ -r /var/run/rc.suspend.tch ]; then + _t=`cat /var/run/rc.suspend.tch` + /sbin/sysctl -n kern.timecounter.hardware=$_t > /dev/null 2>&1 + /bin/rm -f /var/run/rc.suspend.tch +fi + # Turns on a power supply of a card in the slot inactivated. # See also contrib/pccardq.c (only for PAO users). # pccardq | awk -F '~' '$5 == "inactive" \ |
