Artix Linux Forum

After updating the system above linux-5.15.5-artix1-1 I can not log in. After entering the username and password, the same window appear. Initially, the system was set to enter without requiring a login and password. But after the update, this request appears.

You should boot into a live session and mount your system to query more information about what is going on in your logs

Which log files should I be looking at?

Search for authentication issues

As I understand it, I have to search in this folder "/var/log". But in which file and which line should I pay attention to? There are a lot of files: auth.log , errors.log , messages.log , everything.log , and others

How about:

$ grep -E '(auth|login)' /var/log/* 2>/dev/null | less

or even

$ grep -E '(auth|login)' /var/log/* 2>/dev/null >interesting.log.lines

then you get those lines neatly in a file.

Thanks, this makes searching much faster.

For now I have found these suspicious lines. I tried to login three times.

/log/errors.log:Jan 26 17:00:39 linux lightdm[1701]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c1' known
/log/errors.log:Jan 26 17:01:04 linux lightdm[1884]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c2' known
/log/errors.log:Jan 26 17:01:12 linux lightdm[2014]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c3' known
/log/errors.log:Jan 26 17:01:24 linux lightdm[2140]: pam_elogind(lightdm-greeter:session): Failed to connect to system bus: No such file or dire
ctory

and

log/auth.log:Jan 26 17:00:22 linux lightdm[1605]: pam_succeed_if(lightdm-autologin:auth): requirement "user ingroup autologin" was met by user 
"artix"
/log/auth.log:Jan 26 17:00:22 linux lightdm[1605]: pam_unix(lightdm-autologin:session): session opened for user artix(uid=1000) by (uid=0)
/log/auth.log:Jan 26 17:00:22 linux kernel: elogind[1510]: New session 1 of user artix.
/log/auth.log:Jan 26 17:00:22 linux lightdm[1605]: pam_env(lightdm-autologin:session): deprecated reading of user environment enabled
/log/auth.log:Jan 26 17:00:23 linux lightdm[1605]: pam_unix(lightdm-autologin:session): session closed for user artix
/log/auth.log:Jan 26 17:00:23 linux kernel: elogind[1510]: Removed session 1.
/log/auth.log:Jan 26 17:00:25 linux kernel: elogind[1510]: New session c1 of user lightdm.
/log/auth.log:Jan 26 17:00:39 linux kernel: elogind[1510]: Removed session c1.
/log/auth.log:Jan 26 17:00:39 linux lightdm[1701]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c1' known
/log/auth.log:Jan 26 17:00:39 linux kernel: elogind[1510]: New session 2 of user artix.
/log/auth.log:Jan 26 17:00:40 linux kernel: elogind[1510]: Removed session 2.
/log/auth.log:Jan 26 17:00:41 linux kernel: elogind[1510]: New session c2 of user lightdm.
/log/auth.log:Jan 26 17:01:04 linux kernel: elogind[1510]: Removed session c2.
/log/auth.log:Jan 26 17:01:04 linux lightdm[1884]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c2' known
/log/auth.log:Jan 26 17:01:04 linux kernel: elogind[1510]: New session 3 of user artix.
/log/auth.log:Jan 26 17:01:05 linux kernel: elogind[1510]: Removed session 3.
/log/auth.log:Jan 26 17:01:06 linux kernel: elogind[1510]: New session c3 of user lightdm.
/log/auth.log:Jan 26 17:01:12 linux kernel: elogind[1510]: Removed session c3.
/log/auth.log:Jan 26 17:01:12 linux lightdm[2014]: pam_elogind(lightdm-greeter:session): Failed to release session: No session 'c3' known
/log/auth.log:Jan 26 17:01:12 linux kernel: elogind[1510]: New session 4 of user artix.
/log/auth.log:Jan 26 17:01:13 linux kernel: elogind[1510]: Removed session 4.
/log/auth.log:Jan 26 17:01:15 linux kernel: elogind[1510]: New session c4 of user lightdm.
/log/auth.log:Jan 26 17:01:23 linux kernel: elogind[1510]: System is rebooting..
/log/auth.log:Jan 26 17:01:24 linux kernel: elogind[1510]: Received signal 15 [TERM]
/log/auth.log:Jan 26 17:01:24 linux lightdm[2140]: pam_elogind(lightdm-greeter:session): Failed to connect to system bus: No such file or directory

Can you post the entire auth.log and error.log files on some paste service? (https://paste.artixlinux.org doesn't currently work for me)

On which paste service? I don't use them. Give me a link please.

Any will do. For example (http://ix.io):

$ curl -F 'f:1=<-' ix.io < some.file

will return the URL.

auth.log (https://pastebin.com/CzJX2Y37)
errors.log (https://pastebin.com/7D7NMmby)

I removed most of the duplicate lines because the file was too big to upload.

Jan 24 04:57:35 linux lightdm[1600]: pam_unix(lightdm-autologin:session): session closed for user artix

This looks like a log from live environment's /var/log. If your user was named "artix", disregard the rest of this paragraph. Otherwise, please upload the corresponding logs from your hard disk. You can do that by mounting the root partition (or the partition holding the /var/log on the hard disk) to /mnt in the live environment, like described in the "Troubleshooting" article (https://wiki.artixlinux.org/Main/Troubleshooting#Help.21_There_was_an_update_and_my_system_doesn.27t_boot.21). Then find the logs under /mnt/var/log instead of /var/log.

Update: Looking at errors.log, this looks suspicious:

Jan 23 18:03:19 linux kernel: blk_update_request: I/O error, dev sdb, sector 2043972240 op 0x0:(READ) flags 0x80700 phys_seg 4 prio class 0
Jan 23 18:03:19 linux kernel: blk_update_request: I/O error, dev sdb, sector 2043972240 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Jan 23 18:03:19 linux kernel: Buffer I/O error on dev sdb5, logical block 175121746, async page read
Jan 23 18:03:19 linux kernel: blk_update_request: I/O error, dev sdb, sector 2043972368 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[...]
Jan 23 18:24:05 linux kernel: blk_update_request: I/O error, dev sdb, sector 1687508488 op 0x1:(WRITE) flags 0x4800 phys_seg 256 prio class 0
Jan 23 18:24:05 linux kernel: Buffer I/O error on dev sdb5, logical block 130563777, lost async page write
Jan 23 18:24:05 linux kernel: Buffer I/O error on dev sdb5, logical block 130563778, lost async page write

web search gives these links as some of the results:
https://serverfault.com/a/866150
https://www.linuxquestions.org/questions/linux-hardware-18/buffer-i-o-error-on-dev-sdb1-async-page-read-4175600715/
https://old.reddit.com/r/debian/comments/omic2r/buffer_io_on_dev_sdb_logical_block_0_async_page/h5lcovs/

Next,

Jan 24 04:57:35 linux pulseaudio[1678]: [pulseaudio] stdin-util.c: Lost I/O connection in module "module-gsettings"
Jan 24 04:57:35 linux pulseaudio[1678]: [pulseaudio] core-util.c: Failed to create secure directory (/run/user/1000/pulse): Нет такого файла или каталога

this is weird. For some reason (maybe related to disk errors above), a directory required for pulseaudio to function is missing. I'd check hard disk cables and hardware first.

1. That's right, user was named "artix"
2. dev sdb - it's a card reader. Didn't notice any problems with it.
3. The system is installed on Nvme and there are no problems before the update. Updated system after Jan 26 17:00.
Perhaps a pulseaudio bug is causing the login to fail after an update?

Are you sure? Devices could be assigned different pseudo-files under /dev; what is once represented by /dev/sda could under some circumstances be under /dev/sdb and vice versa. That's why it is recommended to use UUIDs in /etc/fstab instead of device filenames.

What is the output of

lsblk -f

It could be. You said you had autologin enabled in lightdm (https://wiki.archlinux.org/title/LightDM#Enabling_autologin)? What is the contents of /etc/lightdm/lightdm.conf? And the output of

groups artix

(if the user is named "artix").

If the issue is related to a pacman update, also supply part of /var/log/pacman.log around the date when you experienced the issue first.

strajder
Perhaps it would be faster to reinstall Linux? There will be no problems with installing the necessary programs, but the visual configuration of all panels, shortcuts and other things will take a lot of time. Is it possible to save all these settings with the possibility of transferring to a new system?

What init system/DE are you using? I'm assuming runit since you posted in runit subforum, and gtk-based since you are using lightdm.

I have multiple test QEMU guests running updated versions of Artix, and none have the problem you described. The most similar to your issue was the behavior of 66 live images under any DE before autologin in 66 live environment was fixed. That is, however, far from an installed runit system. So the issue is specific to your system and its configuration. If you don't want to continue investigating the cause of the issue, feel free to reinstall, however that is a drastic solution.

About your settings, everything user-related is under /home/your_user_name, mostly inside ~/.config, ~/.local and ~/.cache.

Yes, I use "runit". System was installed about a year ago from this ISO: "artix-mate-runit-20210101-x86_64.iso". I want to continue investigating, but I see that it is more difficult than I thought. That's why I thought it would be easier to reinstall. I'll try to investigate further tomorrow.
Thanks for the tip on the settings.

Thank you,
        for sharing such good information, for lots of love, and amazing things that you have contributed.