Recent Ubuntu kernel upgrade made my wi-fi led blink; drives me crazy
Recently, I got a normal update popup from my Ubuntu Update manager. The update included a new kernel as well as other items. I usually wait a few days on kernel updates because they can make some things break (like virtual box) and I'll need to do some manual fix-up work afterwards.
So I did the upgrade and after I noticed something new and very annoying. I use an HP laptop- Compaq 8510w, which has two led indicators for wi-fi. They have always simply been on when my wireless is on, or off when it is off. Never more than that. Well, after the upgrade those leds started blinking according to my wireless usage. At first I was like, "what the heck? What did I do to make that happen?" What ever it was, I was not pleased. It was so distracting that I was thinking of covering up those leds with black tape.
I then searched on google for any one else with a similar problem and I found one. Unfortunately I can't find it again right now, but the post I found mentioned the same latop and a similar problem but on Fedora.
So I did the upgrade and after I noticed something new and very annoying. I use an HP laptop- Compaq 8510w, which has two led indicators for wi-fi. They have always simply been on when my wireless is on, or off when it is off. Never more than that. Well, after the upgrade those leds started blinking according to my wireless usage. At first I was like, "what the heck? What did I do to make that happen?" What ever it was, I was not pleased. It was so distracting that I was thinking of covering up those leds with black tape.
I then searched on google for any one else with a similar problem and I found one. Unfortunately I can't find it again right now, but the post I found mentioned the same latop and a similar problem but on Fedora.
In that post, they mentioned a hack work-around:
This stops the blinking. So I tried it and it worked great, once I ran it as root.
So I wrote a little script to stop it for me:
This is how I stop the blinking currently:
But really, it needs to be run on boot since it always goes back to blinking.
echo none > /sys/class/leds/iwl-phy0\:\:assoc/trigger
This stops the blinking. So I tried it and it worked great, once I ran it as root.
So I wrote a little script to stop it for me:
schristensen@schristensen-laptop:~$ cat bin/stop-flashing-wireless-led.sh #!/bin/sh echo none > /sys/class/leds/iwl-phy0\:\:assoc/trigger
This is how I stop the blinking currently:
schristensen@schristensen-laptop:~$ sudo ./bin/stop-flashing-wireless-led.sh
But really, it needs to be run on boot since it always goes back to blinking.
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