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The default OS / kernel had a wifi issue? - Printable Version

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+--- Thread: The default OS / kernel had a wifi issue? (/showthread.php?tid=8218)

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RE: The default OS / kernel had a wifi issue? - bcnaz - 11-14-2019

***  .My first wifi "DROP"  !!!
I have been on for about an hour -  but FireFox crashed for the first time also.. ?
Maybe one caused the other  or one thing caused both problems at the same time  ?
But the wifi reconnected automatically and I just restarted FireFox.


RE: The default OS / kernel had a wifi issue? - Der Geist der Maschine - 11-14-2019

(11-14-2019, 03:57 PM)Eggmonkey Wrote: Anyone with fresh suggestions on how to fix this please let us all know.


I have not read much about the wifi issues. Perhaps that was discussed before?

I see wifi dying under high cpu load (which probably boils down to overheating).

Perhaps your laptop is always overheating for a reason TBD? What do your temp sensors read?

In idle it should be around 45C (at least on my machine)

$ cat /sys/class/thermal/thermal_zone?/temp
46250
45625
18800


When I stress the CPU with a parallel build, the temperature goes up to close to 70C and some time later, wifi shuts down.


RE: The default OS / kernel had a wifi issue? - Arwen - 11-14-2019

I've been thinking about this, (though not experienced the issue my self).

How about checking the antenna connection?

 - Perhaps it's slightly loose, and heat causes it to get further loose. When the board cools down, the connector works better.
 - Or maybe a cold solder joint, (which works sort of). When things heat up it could get better worse depending on it's exact location.

Let us know what you find.


RE: The default OS / kernel had a wifi issue? - Mrfixit2001 - 11-23-2019

Issue was determined to be the wifi power management. The update that was just pushed, v1.5, will disable wifi power management after a reboot, which should resolve this issue Smile


RE: The default OS / kernel had a wifi issue? - Arwen - 11-23-2019

(11-23-2019, 03:58 PM)Mrfixit2001 Wrote: Issue was determined to be the wifi power management. The update that was just pushed, v1.5, will disable wifi power management after a reboot, which should resolve this issue Smile

Thank you, troubleshooting section on the Wiki updated;

Wiki - Pinebook Pro - WiFi issues

As usual, feel free to correct, improve or comment, (good or politely bad).


RE: The default OS / kernel had a wifi issue? - lowry - 03-02-2020

Commenting out  `iwconfig wlan0 power off` in `/etc/rc.local` solves the problem of wifi disconnects under load.

Running the default Debian,  executed `mrfixit_update.sh` a few hours before.