KatolaZ wrote on 09/07/17 19:18:
On Sun, Jul 09, 2017 at 12:09:01PM +0300, Lars Noodén wrote:
I'm having an intermittent wireless problem on Ascii. On occasion I
lose connection to an existing 802.11 5GHz wireless network or cannot
reconnect after resuming suspend. It happens only occasionally and I
can't yet get it to consistently fail or fail on demand.
When this happens, the ongoing output from wpa_supplicant says "wlan0:
No suitable network found" and "iwlist wlan0 scan" finds nothing.
One thing that does work consistently is to plug in a 3G/4G modem during
the wireless failure. Before the modem finishes booting the wireless
connection is reestablished. What should I be looking for to try to
solve this on my end?
I am not sure but it looks like a possible driver/firmware/hardware
failure, IMHO. Maybe you might find something related to your wifi
drriver in dmesg close to the time when the wifi adapter stops
working?
You may have checked out https://wiki.archlinux.org/index.php/pm-utils
already, otherwise it might be relevant advice; they suggest that you
tell pm to unload the wifi module(s) on suspend, and reload on resume.
The method would be the same in Devuan: add a file as
/etc/pm/config.d/modules with the one-liner, for example
SUSPEND_MODULES="iwlwifi"
(replace iwlwifi with the wifi module(s) you have)
Ralph.
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