Public bug reported:
[83212.756483] kscreenlocker_g[81781]: segfault at 44 ip 00007f1091c48fe5 sp
00007ffcbfebb860 error 6 in libQt5Core.so.5.15.2[7f10919ef000+30e000]
[83212.756500] Code: 28 00 00 00 0f 85 bd 05 00 00 0f b6 44 24 43 48 81 c4 88
00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 0f 1f 40 00 48 89 44 24 60 <f0> 83 40
04 01 8b 54 24 44 48 83 c0 08 c6 44 24 43 00 48 89 44 24
[87628.204380] kscreenlocker_g[85194]: segfault at 8b18b4df ip 00007ff05003ef86
sp 00007ffc8b4e2de0 error 4 in libQt5Core.so.5.15.2[7ff04fde5000+30e000]
[87628.204391] Code: ba 01 00 00 00 48 83 e1 f8 48 01 c8 48 89 44 24 08 48 89
c6 31 c0 f0 48 0f b1 16 0f 85 f6 05 00 00 48 8b 44 24 30 48 8b 40 08 <48> 8b 40
40 48 89 44 24 38 48 85 c0 75 4c 48 8b 7c 24 08 48 89 c6
Seems a time dependent crash. If unlocking happens shortly after
locking it seems to work, however let it sit overnight and two days in a
row I see the 'you can't unlock' use loginctl unlock-session 3 screen.
See attached photo.
ProblemType: Bug
DistroRelease: Ubuntu 21.10
Package: libkscreenlocker5 5.22.5-0ubuntu1
ProcVersionSignature: Ubuntu 5.13.0-28.31-generic 5.13.19
Uname: Linux 5.13.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Fri Feb 11 10:55:38 2022
InstallationDate: Installed on 2020-02-12 (729 days ago)
InstallationMedia: Kubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
ProcEnviron:
LANGUAGE=
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: kscreenlocker
UpgradeStatus: Upgraded to impish on 2022-01-04 (38 days ago)
** Affects: kscreenlocker (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug impish
** Attachment added: "photo of lock failure screen"
https://bugs.launchpad.net/bugs/1960658/+attachment/5560414/+files/20220211_104418.jpg
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https://bugs.launchpad.net/bugs/1960658
Title:
"The screen locker is broken and unlocking is not possible"
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