[Bug 1443249] Re: After kernel-3.13.04-41, wireless script checks wrong sys file.
[the root cause]
$ apt-get changelog linux-image-3.13.0-41-generic
--->---> snip --->---> snip --->---> snip --->---> snip --->--->
* PCI: Rename sysfs 'enabled' file back to 'enable'
- LP: #1393477
--->---> snip --->---> snip --->---> snip --->---> snip --->--->
[recommendation 1]
* revert 17-fix-wireless-hook.patch in pm-utils package.
* debian/patches/17-fix-wireless-hook.patch: Fix typo in wireless
hook (LP: #1299975).
[recommendation 2]
$ diff -Nur wireless.orig wireless
--- wireless.orig 2015-04-12 13:52:04.911478886 +0900
+++ wireless2015-04-12 13:52:37.791641939 +0900
@@ -19,8 +19,12 @@
[ -L "/sys/class/net/$1/device/driver" ] || return 1
# Skip if not a wireless card.
[ -d "/sys/class/net/$1/wireless" ] || return 1
+# Confirm sysfs filename. (enable or enabled)
+[ -e "/sys/class/net/$1/device/enable" ] && sysfsname="enable"
+[ -e "/sys/class/net/$1/device/enabled" ] && sysfsname="enabled"
# Also don't do anything if the device is disabled
-[ "$(cat /sys/class/net/$1/device/enabled)" = "1" ] || return 1
+[ "$(cat /sys/class/net/$1/device/$sysfsname)" = "1" ] || return 1
+unset sysfsname
driver="$(readlink "/sys/class/net/$1/device/driver")"
driver=${driver##*/}
case $driver in
--
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https://bugs.launchpad.net/bugs/1443249
Title:
After kernel-3.13.04-41, wireless script checks wrong sys file.
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[Bug 1443249] [NEW] After kernel-3.13.04-41, wireless script checks wrong sys file.
Public bug reported: [TEST CASE] * on a laptop machine with a ac adapter connect & wireless interface run: 1. ac adapter disconnect 2. $ tail /var/log/pm-powersave.log & $ iwconfig [Actual Result] * wireless power management does not "ON" $ tail /var/log/pm-powersave.log --->---> snip --->---> snip --->---> snip --->---> snip --->---> 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. --->---> snip --->---> snip --->---> snip --->---> snip --->---> $ iwconfig wlan0 IEEE 802.11bgn ESSID:"x" --->---> snip --->---> snip --->---> snip --->---> snip --->---> Power Management:off --->---> snip --->---> snip --->---> snip --->---> snip --->---> [Expected Result] $ tail /var/log/pm-powersave.log --->---> snip --->---> snip --->---> snip --->---> snip --->---> Running hook /etc/pm/power.d/wireless true: Turning powersave for wlan0 on...Done. /etc/pm/power.d/wireless true: success. --->---> snip --->---> snip --->---> snip --->---> snip --->---> $ iwconfig wlan0 IEEE 802.11bgn ESSID:"x" --->---> snip --->---> snip --->---> snip --->---> snip --->---> Power Management:on --->---> snip --->---> snip --->---> snip --->---> snip --->---> $ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description:Ubuntu 14.04.2 LTS Release:14.04 Codename: trusty $ uname -a Linux xxx 3.13.0-49-generic #81-Ubuntu SMP Tue Mar 24 19:29:48 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux $ cat /etc/modprobe.d/ath9k_powersave.conf options ath9k ps_enable=1 $ apt-cache policy pm-utils pm-utils: インストールされているバージョン: 1.4.1-13ubuntu0.1 候補: 1.4.1-13ubuntu0.1 バージョンテーブル: *** 1.4.1-13ubuntu0.1 0 500 http://www.ftp.ne.jp/Linux/packages/ubuntu/archive/ trusty-updates/main amd64 Packages 100 /var/lib/dpkg/status 1.4.1-13 0 500 http://www.ftp.ne.jp/Linux/packages/ubuntu/archive/ trusty/main amd64 Packages ** Affects: pm-utils (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1443249 Title: After kernel-3.13.04-41, wireless script checks wrong sys file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1443249/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1443249] Re: After kernel-3.13.0-41, wireless script checks wrong sys file.
** Summary changed: - After kernel-3.13.04-41, wireless script checks wrong sys file. + After kernel-3.13.0-41, wireless script checks wrong sys file. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1443249 Title: After kernel-3.13.0-41, wireless script checks wrong sys file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1443249/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1443249] Re: After kernel-3.13.0-41, wireless script checks wrong sys file.
*** This bug is a duplicate of bug 1414110 *** https://bugs.launchpad.net/bugs/1414110 ** This bug has been marked a duplicate of bug 1414110 Wireless powersave doesn't work (pm-utils) -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1443249 Title: After kernel-3.13.0-41, wireless script checks wrong sys file. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1443249/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1299975] Re: wireless script checks wrong sys file
* 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. -- -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1299975 Title: wireless script checks wrong sys file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1299975/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1299975] Re: wireless script checks wrong sys file
The bug was corrected. ** Tags removed: verification-needed ** Tags added: verification-done -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to pm-utils in Ubuntu. https://bugs.launchpad.net/bugs/1299975 Title: wireless script checks wrong sys file To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1299975/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
