https://bugs.kde.org/show_bug.cgi?id=500667
Bug ID: 500667
Summary: Session freeze randomly with two wayland sessions
Classification: I don't know
Product: kde
Version: unspecified
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: alberto_bugzi...@protonmail.ch
Target Milestone: ---
Created attachment 178809
--> https://bugs.kde.org/attachment.cgi?id=178809&action=edit
journalctl
Short description:
I was working, locked the session to go to lunch, came back and found the
session frozen :O
Sometimes this problem occurs on resume from standby if the laptop goes into
standby attached to the docking station (at home) and wakes up unplugged or
attached to a different docking station (at the office) with different screens,
but in this specific case I did not do this.
Hardware:
Lenovo T14 2° gen. i5-1135G7 with 48GB DDR and 4k screen (#1)
Docking DELL WD19TB (usbc/thunderbolt)
LG 27GR93U UltraGear (displayPort) (#2)
LG 27UL650 (displayPort) (#3)
all screens have 4k resolution
Versions:
Fedora 40
Linux T14d.localdomain 6.12.11-100.fc40.x86_64 #1 SMP PREEMPT_DYNAMIC Thu
Jan 23 22:07:15 UTC 2025 x86_64 GNU/Linux
kwin-wayland-6.3.0-3.fc40.x86_64
kde-settings-40.1-1.fc40.noarch
plasma-desktop-6.3.0-1.fc40.x86_64
systemd-255.16-1.fc40.x86_64
mesa-libGL-24.1.7-1.fc40.x86_64
xorg-x11-server-Xorg-1.20.14-36.fc40.x86_64
xorg-x11-drv-intel-2.99.917-57.20210115.fc40.x86_64
Enviroment:
- laptop connected directly to the docking station with its thunderbolt
cable
- 2 wayland sessions with different users: user(uid:1006) and
user1(uid:1000), the problem was with 'user' (uid:1006) which was the active
session
- many windows opened (firefox, code, dbeaver, zoom, konsole, ...)
Behavior:
1. I locked the screen, I turn off the external monitors and I gone away
2. I come back after, the laptop screen was turned off(energy saving)
3. I moved the mouse (touchpad) and the laptop screen turned on
4. I turned on the external screen (#2) and (#3)
Issue:
5. the screen (#2) was turned on but black,
the laptop and screen (#3) had the background with the session locked,
no action made the login prompt appear to unlock the session (moving
mouse, typing keys, change session with CTRL+ALT+F7 and then again CTRL-ALT-F8,
...)
I tried from the other session to unlock the other session with
'loginctl unlock-sessions' but nothing
in the end, i had to 'loginctl kill-session 19'
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