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#1 2011-12-22 09:06:59

bkadoctaj
Member
Registered: 2010-05-02
Posts: 52

Wireless LED not working on Asus K53E laptop with ath9k driver

Hi fellow Archlings,

After searching via Google and the Arch Forums for the past six hours, I've still yet to see the indicator LED light blink at all.  All of my laptop's other five LEDs work (power/sleep, battery, hard disk activity, num lock, caps lock), but from boot till my wifi is connected to a network and thereafter the LED stays dark.  This issue isn't big, just a minor trouble.

Kernel:

# uname -r
3.1.5-1-ARCH

http://ubuntuforums.org//showthread.php?t=1879706

I eventually stumbled on the above thread from the Ubuntu forums which gave good advice, including the modinfo command, which I was using with

# modinfo -F parm ath9k
btcoex_enable:Enable wifi-BT coexistence
blink:Enable LED blink on activity
nohwcrypt:Disable hardware encryption
debug:Debugging mask

However running

# modprobe -r ath9k
# modprobe ath9k blink=1

doesn't make any change to the LED - still pitch black in there (well, there's the ambient light from peripheral buttons but you know... tongue).

I've been to

# cat /sys/class/leds/ath9k-phy0/trigger
none AC0-online BAT0-charging-or-full BAT0-charging BAT0-full BAT0-charging-blink-full-solid rfkill1 rfkill3 phy0rx phy0tx phy0assoc phy0radio [phy0tpt]
# echo X > /sys/class/leds/ath9k-phy0/trigger

where X includes all of the possible values listed by the cat command, individually of course.

Does anyone have any insight into what the issue may be or what I ought to try next?  Thanks all.  smile

Last edited by bkadoctaj (2011-12-22 09:09:39)

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#2 2011-12-22 09:37:45

bkadoctaj
Member
Registered: 2010-05-02
Posts: 52

Re: Wireless LED not working on Asus K53E laptop with ath9k driver

Hmm... I also found this:
http://ubuntuforums.org/showpost.php?p= … ostcount=6

I'm wondering where I would put the following script in the Arch filesystem - any direction would be most appreciated!

#!/bin/sh

if [ "$IFACE" = "wlan0" ]; then
    for direc in /sys/class/leds/ath9k-phy0::rx
    do
        echo none > $direc/trigger
        # never trigger blinking for RX
    done
    
    for direc in /sys/class/leds/ath9k-phy0::radio
    do
        echo none > $direc/trigger
        # never trigger blinking for radio
    done

    for direc in /sys/class/leds/ath9k-phy0::assoc
    do
        echo phy0assoc > $direc/trigger
        # do trigger blinking during association
    done
    
    for direc in /sys/class/leds/ath9k-phy0::tx
    do
        echo phy0assoc > $direc/trigger
        # never trigger blinking for TX
    done
fi

In Ubuntu the script is placed in /etc/network/if-up.d/ but where is that to be found in Arch Linux, and will it work with NetworkManager instead of the regular network daemon?

EDIT: Okay, so I just tried placing the following script in /etc/NetworkManager/dispatcher.d/ and making it executable - still no luck after reloading the module:

#!/bin/sh

INTERFACE=$IFACE

if [ "$IFACE" = "wlan0" ]; then
    for direc in /sys/class/leds/ath9k-phy0::rx
    do
        echo none > $direc/trigger
        # never trigger blinking for RX
    done
    
    for direc in /sys/class/leds/ath9k-phy0::radio
    do
        echo none > $direc/trigger
        # never trigger blinking for radio
    done

    for direc in /sys/class/leds/ath9k-phy0::assoc
    do
        echo phy0assoc > $direc/trigger
        # do trigger blinking during association
    done
    
    for direc in /sys/class/leds/ath9k-phy0::tx
    do
        echo phy0assoc > $direc/trigger
        # never trigger blinking for TX
    done
fi

Last edited by bkadoctaj (2011-12-22 09:50:23)

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#3 2012-09-27 13:17:04

archie0
Member
Registered: 2012-02-26
Posts: 144

Re: Wireless LED not working on Asus K53E laptop with ath9k driver

Hey OP. I know it's been a long time since you posted this. Were you able to solve it? Thanks

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#4 2012-09-27 16:13:13

bkadoctaj
Member
Registered: 2010-05-02
Posts: 52

Re: Wireless LED not working on Asus K53E laptop with ath9k driver

Hi archie0,

Unfortunately I was never able to fix the issue, but after installing Windows 7 I noticed the light never seems to work, regardless of OS.  Is that true in your case as well?

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#5 2012-09-27 17:26:35

archie0
Member
Registered: 2012-02-26
Posts: 144

Re: Wireless LED not working on Asus K53E laptop with ath9k driver

bkadoctaj wrote:

Hi archie0,

Unfortunately I was never able to fix the issue, but after installing Windows 7 I noticed the light never seems to work, regardless of OS.  Is that true in your case as well?

The problem with mine is that it doesn't change it's color. It should be orange when it's disabled and white when it's on. So mine it's always white. Anyway, it seems that I won't find a fix anytime soon. It works just fine under Microsoft Windows.

Thanks for letting me know though!

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#6 2013-05-16 19:16:21

mohsen69
Member
Registered: 2013-04-26
Posts: 4

Re: Wireless LED not working on Asus K53E laptop with ath9k driver

solution:

modprobe asus_nb_wmi

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