Ubuntu
pm-utils package

  1. Bug #1299975
  2. Comment #6

Comment 6 for bug 1299975

Revision history for this message
katsu (katsukatsu-deactivatedaccount) wrote :

* condition
ubuntu 14.04-64bit
$ lspci -nnv
02:00.0 Network controller [0280]: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01)
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---
 Kernel driver in use: ath9k

* before proposed package & AC plug "Connect" & "Disconnect".
$ LANG=C apt list pm-utils
Listing... Done
pm-utils/trusty,now 1.4.1-13 all [installed]

AC plug Connnect & tail /var/log/pm-powersave.log
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---
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.
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---

AC plug Disconnnect & tail /var/log/pm-powersave.log
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---
Running hook /usr/lib/pm-utils/power.d/wireless true:
cat: /sys/class/net/wlan0/device/enable: No such file or directory
/usr/lib/pm-utils/power.d/wireless true: success.
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---

* after proposed package & AC plug "Connect" & "Disconnect".
$ LANG=C apt list pm-utils
Listing... Done
pm-utils/trusty-proposed,now 1.4.1-13ubuntu0.1 all [installed]

AC plug Connnect & tail /var/log/pm-powersave.log
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---
Running hook /usr/lib/pm-utils/power.d/wireless false:
Turning powersave for wlan0 off...Error for wireless request "Set Power Management" (8B2C) :
    SET failed on device wlan0 ; Operation not supported.
Failed.
/usr/lib/pm-utils/power.d/wireless false: success.
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---

AC plug Disconnnect & tail /var/log/pm-powersave.log
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---
Running hook /usr/lib/pm-utils/power.d/wireless true:
Turning powersave for wlan0 on...Error for wireless request "Set Power Management" (8B2C) :
    SET failed on device wlan0 ; Operation not supported.
Failed.
/usr/lib/pm-utils/power.d/wireless true: success.
--- > --- > --- > --- > --- (snip) --- > --- > --- > --- > ---

* result
The "/usr/lib/pm-utils/power.d/wireless" script operated normally.
However, "ath9k module or wireless device" seems not to be supported.
------------------------------------------------------------------
Turning powersave for wlan0 on...Error for wireless request "Set Power Management" (8B2C) :
    SET failed on device wlan0 ; Operation not supported.
Failed.
------------------------------------------------------------------