https://launchpad.net/ubuntu/+source/linux/3.13.0-41.70
* PCI: Rename sysfs 'enabled' file back to 'enable'
- LP: #1393477
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1393477
Is this specifications change of kernel ?
If it is specifications change, it is a bug of pm-utils package.
I
We are sorry to have confused you with poor English.
My wireless card is Qualcomm Atheros AR9285 Wireless Network Adapter.
kernel driver in use: ath9k driver.
Power management is OFF by Default.
but driver option is set to ps_enable=1.(ps_enable: Enable WLAN PowerSave)
$ cat /etc/modprobe.d/ath9k
-- recheck release kernels(trusty) --
$ uname -r
3.13.0-43-generic
$ ll /sys/class/net/wlan0/device/enable*
-rw-r--r-- 1 root root 4096 Dec 28 14:35 /sys/class/net/wlan0/device/enable
--> NG.(enabled -> enable)
$ uname -r
3.13.0-41-generic
$ ll /sys/class/net/wlan0/device/enable*
-rw-r--r-- 1 root
Thank you for reply.
Check: Upstream kernels archive
-- vivid directory --
from
linux-image-3.18.0-031800rc3-generic_3.18.0-031800rc3.201411022335_amd64.deb
to linux-image-3.19.0-031900rc1-generic_3.19.0-031900rc1.201412210135_amd64.deb.
all NG.
--> /sys/class/net/wlan0/device/enable
linux-imag
* suggest 1: Fix it in the kernel side in "enable" or "enabled".
/sys/class/net/wlan0/device/enable
or
/sys/class/net/wlan0/device/enabled <- being ideal
* suggest 2: Revert by lp #1299975
[ "$(cat /sys/class/net/$1/device/enabled)" = "1" ] || return 1
to
[ "$(cat /sys/clas
$ uname -a
Linux ??? 3.13.0-40-generic #69-Ubuntu SMP Thu Nov 13 17:53:56 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
$ ll /sys/class/net/wlan0/device/
-rw-r--r-- 1 root root 4096 12月 21 14:53 /sys/class/net/wlan0/device/enabled
$ tail /var/log/pm-powersave.log
--->---> snip --->---> snip --->--
Public bug reported:
wireless script(/usr/lib/pm-utils/power.d/wireless) fixed by bug:1299975
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1299975
/usr/lib/pm-utils/power.d/wireless
--->---> snip --->---> snip --->---> snip --->---> snip --->--->
23[ "$(cat /sys/class/net/$1/device
hangcheck occure.
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 12.04.3 LTS
Release:12.04
Codename: precise
$ grep \(EE\) Xorg.0.log
[ 52302.812] (EE) intel(0): Detected a hung GPU, disabling acceleration.
[ 52302.812] (EE) intel(0): Wh
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