Most recent stable branch update problem

[Banichi]

I am on kernel 4.19 lts and KDE. I3-4150 cpu and vega 64 gpu, 16gb ram.

I updated may 27, using yakuake and pacman -Syyuu, saw no errors on the terminal, then shut down for the night.

This morning I am no longer able to get to either a desktop or a terminal without using recovery media. Currently posting from a 4.18 live usb.
I do sometimes see "recovering journal" or something like it flash by at the top of the screen, everything after is black, however.

I think I have successfully manjaro-chroot -a in the live usb, pacman has no updates to make and is up to date. mkinitcpio -P and a subsequent grub-update and reboot do nothing to solve the problem, but don't make it worse, either

Does anyone know what is wrong and how I may fix it?
Thank you.

[anon20763909]

Boot any other Kernel you have available.

[Banichi]

Same thing happens. Black screen all around. The second and only other kernel is 4.9.

[anon20763909]

You are going to have to install another Kernel like 4.14x or 5.0x there's a problem with 4.19x and rx vega 56/64 on 4.19 atm.

[Banichi]

That is better news than I had feared.
Do I just sudo pacman -S Linux414?

[anon20763909]

I'm pretty new to this so I have never had to chroot an install. In terminal sudo mhwd-kernel -i linux414 (thanks @tbg) I have read you should not use pacman to install Kernels. You should also be able to use manjaro settings manager?

[stephane]

have you try pacman -Syyu ?
for adding kernel
sudo mhwd-kernel -i linux51
sudo mhwd-kernel -i linux52

[Banichi]

Kernel 5.1 was what let me boot. 5.2 disabled my mouse and keyboard.

Thank you for all your help.

[stephane]

do not use 5.2 , this is not Stable ,
stay always with stable kernel , in your case
5.0 or 5.1