Public bug reported:
After attaching a Mediatek mt76x2u based USB Wifi network adapter the
system (Ubuntu 20.04.1 LTS linux version 5.4.0-58-generic) hangs
My findings after some testing:
- A freshly installed Ubuntu 20.04 (for testing purposes) with an outdated
kernel 5.4.0-26 is not affected as the USB Wifi network adapter works without
any problems.
- After updating this system to kernel version 5.4.0-58 the problem can be
reproduced.
- After upgrading to Ubuntu 20.10 with kernel version 5.8.0-33 the USB Wifi
network adapter works without any problems.
So I guess it could be a software problem (maybe linux-image oder
linux-modules?).
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "kern.log after attaching the USB Wifi network adapter"
https://bugs.launchpad.net/bugs/1909474/+attachment/5447387/+files/kern.log
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https://bugs.launchpad.net/bugs/1909474
Title:
System hangs after attaching Mediatek mt76x2u based USB Wifi network
adapter
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