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Hi all,
A couple of weeks ago I started to get problems (module suddenly stops) with my Alfa AWUS036ACM. Latest error was:
mt76x2u 2-1:1.0: error: mt76x02u_mcu_wait_resp failed with -19System description:
AP with hostapd and two wifi dongles
Alfa AWUS036ACM (5 GHz); mt76x2u
Alfa AWUS036ACHM (2.4 GHz); mt76x0u
Both dongles used to be connected to separate USB3 ports on my mini desktop and was working fine. I only upgrade my server once a month so beginning of April I was on linux-6.2.13.arch1-1-x86_64 and about tree weeks into April I started to notice the problem. I upgraded in beginning of May to linux-6.3.4.arch1-1-x86_64 and it seems that the problem accelerated.
Tested the "options mt76_usb disable_usb_sg=1" but doesn't help.
Everything works fine when the "Alfa AWUS036ACM" is connected to an USB2 port so it is just a little annoying not to be able to fully utilize the potential of the 5GHz AC and it would be very interesting to understand why USB3 creates this issue.
Cheers
UPDATE
Appears that after last update (June/July something to linux-6.4.1.arch2-1-x86_64) the AWUS036ACM connected to USB3 works just fine again.
Last edited by k96hkh (2023-07-19 19:08:19)
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