https://bugs.kde.org/show_bug.cgi?id=481808

[email protected] changed:

           What    |Removed                     |Added
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                 CC|                            |[email protected]

--- Comment #35 from [email protected] ---
Same here,

### System

* Fedora 44 KDE

* Wayland

* Issue started after upgrading to Fedora 44

### Problem

After the laptop has been **locked for some time** (especially after suspend),
the **first password attempt on the KDE lock screen always fails**, even though
I'm certain the password is correct.

The second attempt succeeds with the exact same password.

### Things I've noticed

* The problem **only happens on the KDE lock screen**.

* It **does not happen on the SDDM login screen** after a reboot.

* If I lock and immediately unlock the screen, authentication works on the
first try.

* The issue appears only after the screen has been locked for a while or after
waking from suspend.

* The most interesting observation is that if I **type my password, click the
"show password" (eye) button, verify it is correct, and then press Enter**, it
authenticates successfully on the first attempt every time.

### Logs

The journal shows the first authentication being rejected by PAM:

```
kscreenlocker_greet: pam_unix(kde:auth): authentication failure
unix_chkpwd: password check failed for user

```

A few seconds later, entering the same password succeeds.

The suspend/resume sequence itself appears clean, with no kernel, GPU, or SDDM
errors.

### What I've tried

* Verified the password is correct.

* Reproduced the issue multiple times.

* Confirmed it only affects the lock screen.

* Collected `journalctl` logs around the failed authentication.

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