Hello!
Today i updated to 6.6.10-1 using yay. Then i was reading the arch wiki and i also ran a program suggested that replaced old files eith pacnew files. I never did that before and not sure if it is a coincidence or not. It replaced a bunch of files.
After a reboot, i cannot log in to the system at all. The boot starts with unencrypting the disk, grub and console booting as normal. It stops with several lines repeating of:
[FAILED] failed to start light display manager.
Then a [TIME] and [DEPEND] error for an external disk i do not usually have plugged in so probably isnt stopping anything.
I can get to the tty terminal but my credentials dont work. It just says “Login incorrect”. I try with different user accounts and sudo and root. Cannot proceed.
I am confident i know the passwords and tried 2 keyboards in case something was going on with hardware input.
Also tried getting in via ssh which is usually running but connection refused.
I can boot to a usb and access files, but all i had available is xubuntu so if i need a manjaro usb i need to make a new one.
I have been on my phone all evening reading but i got lost in the tabs tbh. I read other threads where people have similar problems. Somehow they are able to run commands on their system like doing pacman updates, obtaining logs, running commands. How?? How do i bypass the login to perform admin tasks?
Many of the threads mention potential driver issues, especially graphics cards. But i dont understand how to detemine this for my particular computer? Which is a thinkpad x260.
When booted to usb i tried to look in my file system to find file settings thst would correspond to what helped other people. but either i didnt find anything at all, or my existing settings were substantially different from what was discussed so not wanting to make random changes on that basis.
I see threads about pam, lightdm.conf, mhwd and various systemctls, none of which i was confident about. I tried changing to runlevel 3 for the first couple of kernels. But not sure if doing it properly as my config lines include have encryption so are much longer. Where does the “3” go? At the end or after the “rw” like in thr example?
In my pam config file i found a line approx “pam auth requisite no login so” (sorry i closed the computer i dont have it to transcribe). Could it be a problem? But i also cant login with root.
Somewhere i read something about some kind if login lock you can delete but i couldnt find a matching file on my system. Does anyone know how i got locked out? I didnt put in the wrong password or anything.
Many of the threads i read the poster is told they didnt do enough work prior to posting so this is why i made it so long. I am really stuck with not being able to get past the login. I hope you enjoyed my story but my hands hurt so i cant make it nicer with links im sorry due to only using mobile. And no logs because no login.
Any hint about what to do?
Thank you!