It may be related to the "Multi Monitors Add-On" extension. I've
disabled it and now it works fine. Will update if I have any more
crashes.
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I have the same issue, running on a laptop with a dual monitor splitter
plugged in my displayPort.
The crash happens under Wayland and XOrg.
I've disabled auto-source selection on the monitors.
The crash happens only when I log-in after the session has been locked.
It also happens when I press
Disabling Power Saving on the monitors seems to help.
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https://bugs.launchpad.net/bugs/1722353
Title:
Screen blanking and/or screen lock crashes gnome-shell user
