*** This bug is a duplicate of bug 1299975 ***
https://bugs.launchpad.net/bugs/1299975
** This bug has been marked a duplicate of bug 1299975
wireless script checks wrong sys file
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https://bugs.launchpad.net/bugs/1327957
Title:
/usr/lib/pm-utils/power.d/wireless:23:
/sys/class/net/wlan0/device/enable: No such file or directory
Status in “pm-utils” package in Ubuntu:
Confirmed
Bug description:
In 14.04, there is a bug in /usr/lib/pm-utils/power.d/wireless script
at line 23. It should "enabled" at the end of path
/sys/class/net/$1/device/enable.
I always get an ENOENT error in /var/log/pm-powersave.log when that
hook runs, inspite of active wlan0.
Running hook /usr/lib/pm-utils/power.d/wireless false:
cat: /sys/class/net/wlan0/device/enable: No such file or directory
/usr/lib/pm-utils/power.d/wireless false: success.
This bug prevents Wi-Fi power saving feature from being enabled when a
laptop is running on battery power!
$ dpkg -s pm-utils | grep Version
Version: 1.4.1-13
$ uname -a
Linux lol 3.13.0-29-generic #53-Ubuntu SMP Wed Jun 4 21:02:19 UTC 2014 i686
i686 i686 GNU/Linux
$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04 LTS"
Installation media: xubuntu-14.04-desktop-i386.iso
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