[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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https://bugs.launchpad.net/bugs/1404612
katsu, the next step is to fully commit bisect from kernel 3.13.0-40 to
3.13.0-41 in order to identify the last good kernel commit, followed
immediately by the first bad one. This will allow for a more expedited
analysis of the root cause of your issue. Could you please do this
following
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.
-- 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
katsu, if you are advising that you are unable to turn on wireless Power
Management, because it is off by default, that is intentional, as the
Power Management backend is not robust across devices. IIRC, turning it
on and expecting it to work, or just turning it on are not presently
supported due
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
** Tags added: needs-bisect
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https://bugs.launchpad.net/bugs/1404612
Title:
Power management of the wireless LAN does not work.
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katsu, thank you for reporting this and helping make Ubuntu better.
Could you please test the latest upstream kernel available from the very
top line at the top of the page (the release names are irrelevant for
testing, and please do not test the daily folder) following
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
katsu, just to clarify, when you say:
linux-image-3.13.11-03131110-generic_3.13.11-03131110.201410302136_amd64.deb.
/sys/class/net/wlan0/device/enabled - OK
Are you noting that the problem does not occur in this kernel?
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* 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
$ 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 --
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