I fixed the same problem the same way.
Error in /var/log/pm-powersave.log:
Running hook /usr/lib/pm-utils/power.d/wireless true:
cat: /sys/class/net/wlan0/device/enabled: No such file or directory
/usr/lib/pm-utils/power.d/wireless true: success.
Fix:
sed -ie '/\/sys\/class\/net\/$1\/device\/enabled/ s/enabled/enable/' \
/usr/lib/pm-utils/power.d/wireless
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https://bugs.launchpad.net/bugs/1414110
Title:
Wireless powersave doesn't work (pm-utils)
Status in pm-utils package in Ubuntu:
Confirmed
Bug description:
Hello,
I notice a bug about wireless powersave (pm-utils 1.4.1-13ubuntu0.1 on
Ubuntu 14.04.1 LTS using kernel 3.13.0-44-generic) :
# PM_FUNCTIONS="/usr/lib/pm-utils/functions"
/usr/lib/pm-utils/power.d/wireless true
cat: /sys/class/net/wlan0/device/enabled: No such file or directory
If I replace '/sys/class/net/wlan0/device/enabled' by
'/sys/class/net/wlan0/device/enable' in '/usr/lib/pm-
utils/power.d/wireless', it seems to work fine :
# PM_FUNCTIONS="/usr/lib/pm-utils/functions"
/usr/lib/pm-utils/power.d/wireless true
Turning powersave for wlan0 on...Done.
Is it possible to fix this bug ?
Thanks :)
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