Hi Aaron,

I appended r8822be driver to blacklist.conf and then manually ran "sudo
update-initramfs -u -k 5.0.0-21-generic" and rebooted. Still no wifi,
however.

I have attached the output of dmesg. BTW this notebook has Realtek
ethernet hardware, which is why kernel driver r8169 is loaded.

Also, I don't know if this is relevant, but I have disabled all linux
power management on this AMD Ryzen 7 gaming notebook b/c of issues when
this computer enters power-saving mode.

In "/etc/default/tlp" I set "TLP_ENABLE=0" and also appended the
following parameter to my GRUB commandline:

ahci.mobile_lpm_policy=0

Best,
Jun

** Attachment added: "dmesg_linux-5.0.0-21.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838133/+attachment/5279800/+files/dmesg_linux-5.0.0-21.txt

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https://bugs.launchpad.net/bugs/1838133

Title:
  realtek r8822be kernel module fails after update to linux kernel-
  headers 5.0.0-21

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