# \[breaking bug\] Cannot login after latest PAM update

**URL:** <https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204>\
**Category:** General system\
**Created:** [August 21, 2020, 8:31am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204 "2020-08-21T08:31:15Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![anon31687413](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/a/bc8723/32.png) [@anon31687413](https://forum.endeavouros.com/u/anon31687413)\
**Post date:** [August 21, 2020, 8:31am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204/1 "2020-08-21T08:31:15Z")

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Latest PAM upgrade broke login for some people, see this thread which includes a quick fix:

[https://bbs.archlinux.org/viewtopic.php?id=258334](https://bbs.archlinux.org/viewtopic.php?id=258334)

(You shouldn’t need to boot a live medium, booting into runlevel 1 should be enough)

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**Author:** ![pebcak](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/pebcak/32/100472_2.png) [@pebcak](https://forum.endeavouros.com/u/pebcak)\
**Post date:** [August 21, 2020, 8:36am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204/2 "2020-08-21T08:36:59Z")

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There is also this thread discussing this issue:

> [@Watch out: \`pam\` 1.4.0 may require manual intervention (pam\_tally dropped)](https://forum.endeavouros.com/t/watch-out-pam-1-4-0-may-require-manual-intervention-pam-tally-dropped/7141):
>
> pam has been updated and the tally and tally2 modules were dropped. If these modules are present in your /etc/pam.d/system-login then your login will fail despite a correct user/pass (both in DM and terminal). If you have altered the file contents in the past (e.g. you set up login via fingerprint reader) then pacman won’t replace it with the new version. If you don’t make the change before rebooting then entering [single-user mode](https://wiki.archlinux.org/index.php/SysVinit#Single_User_Boot) (or using a chroot) will get you into the system, where you can…

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**Author:** ![anon31687413](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/a/bc8723/32.png) [@anon31687413](https://forum.endeavouros.com/u/anon31687413)\
**Post date:** [August 21, 2020, 8:47am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204/3 "2020-08-21T08:47:33Z")

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Oops, I missed that. Thanks!

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**Author:** ![joekamprad](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/joekamprad/32/77608_2.png) [@joekamprad](https://forum.endeavouros.com/u/joekamprad)\
**Post date:** [August 21, 2020, 9:09am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204/4 "2020-08-21T09:09:51Z")

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**–closing–**

**reason:**  
duplicate --\> [Watch out: `pam` 1.4.0 may require manual intervention (pam\_tally dropped)](https://forum.endeavouros.com/t/watch-out-pam-1-4-0-may-require-manual-intervention-pam-tally-dropped/7141)

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**Author:** ![joekamprad](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/joekamprad/32/77608_2.png) [@joekamprad](https://forum.endeavouros.com/u/joekamprad)\
**Post date:** [August 21, 2020, 9:09am UTC](https://forum.endeavouros.com/t/breaking-bug-cannot-login-after-latest-pam-update/7204/5 "2020-08-21T09:09:59Z")

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