Comment 14 for bug 1896578

If anyone is interested in testing, there are new re-spins of the test kernels
available in the following ppa:

https://launchpad.net/~mruffell/+archive/ubuntu/lp1896578-test

The patches used are the ones I will be submitting for SRU, and are more or less identical to the patches in the previous test kernels I supplied in February.

Please go ahead and do some testing, and let me know if you find any problems.

Please note this package is NOT SUPPORTED by Canonical, and is for TESTING PURPOSES ONLY. ONLY Install in a dedicated test environment.

Instructions to install:
1) sudo add-apt-repository ppa:mruffell/lp1896578-test
2) sudo apt update

For 21.04 / Hirsute:

3) sudo apt install linux-image-unsigned-5.11.0-16-generic linux-modules-5.11.0-16-generic \
linux-modules-extra-5.11.0-16-generic linux-headers-5.11.0-16-generic

For 20.10 / Groovy:

3) sudo apt install linux-image-unsigned-5.8.0-50-generic linux-modules-5.8.0-50-generic \
linux-modules-extra-5.8.0-50-generic linux-headers-5.8.0-50-generic

For 20.04 / Focal:

3) sudo apt install linux-image-unsigned-5.4.0-72-generic linux-modules-5.4.0-72-generic \
linux-modules-extra-5.4.0-72-generic linux-headers-5.4.0-72-generic

For 18.04 / Bionic:
For the 5.4 Bionic HWE kernel:

3) sudo apt install linux-image-unsigned-5.4.0-72-generic linux-modules-5.4.0-72-generic \
linux-modules-extra-5.4.0-72-generic linux-headers-5.4.0-72-generic

For the 4.15 Bionic GA kernel:

3) sudo apt install linux-image-unsigned-4.15.0-142-generic linux-modules-4.15.0-142-generic \
linux-modules-extra-4.15.0-142-generic linux-headers-4.15.0-142-generic

4) sudo reboot
5) uname -rv
Make sure the string "+TEST1896578v20210504b1" is present in the uname -rv.

You may need to modify your grub configuration to boot the correct kernel. If you need help, read these instructions: https://paste.ubuntu.com/p/XrTzWPPnWJ/