THE BUG IS:
The file /usr/lib/pm-utils/power.d/95hdparm-apm owned by package
"hdparm" version 9.15-1ubuntu9 in lucid checks for presence of laptop-
mode-tools at the wrong location on the disk, then proceeds to manage
the APM setting for the hard drive itself when laptop-mode-tools should
be handling it.
Specifically, the files /usr/sbin/laptop_mode and /var/run/laptop-mode-
tools/enabled have AFAICT been deprecated/moved. This:
if [ -e /usr/sbin/laptop_mode ] ; then
LMT_CONTROL_HD_POWERMGMT=$(. /etc/laptop-mode/laptop-mode.conf && ec
if [ "$LMT_CONTROL_HD_POWERMGMT" != 0 ] \
&& [ -e /var/run/laptop-mode-tools/enabled ]
then
# Laptop mode controls hdparm -B settings, we don't.
return
fi
fi
(which comes from the described file) includes the uses of these paths that
urgently need correcting.
** Changed in: hdparm (Ubuntu)
Status: New => Confirmed
--
hdparm sets power management value to 128 in AC mode
https://bugs.launchpad.net/bugs/513706
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