Red Hat Bugzilla – Bug 1478624
[F26 regression] Mate desktop no longer locks screen after returning from suspend
Last modified: 2018-05-29 08:26:52 EDT
Hi! After upgrade to F26, my MATE desktop no longer locks itself after going to suspend (by closing the lid of my ThinkPad T460s). The configuration seems correct:
[.]$ gsettings get org.mate.power-manager lock-suspend
[.]$ gsettings get org.mate.power-manager lock-use-screensaver
[.]$ gsettings get org.mate.power-manager lock-blank-screen
[.]$ gsettings get org.mate.power-manager lock-hibernate
I'm not sure what to do, as now I cannot comply with any reasonable security regulations, and probably should not use suspend at all.
Update: the problem does not exhibit itself, if I either lock the screen before closing the lid or use "Suspend" button in the MATE menu. So it may be related to how closing the lid is processed.
I do not use/have such stylish Lenovo hardware, only a MSI fx700, and here the screen locks after suspend to ram triggered by lid close event.
And rpm versions of mate-power-manager or mate-screensaveer are the same as with f25.
So i suspect we have an issue with a more low level package like systemd or upower, related to specific hardware.
I noticed in another report an unannounced ABI breakage by upower with updating from 0.94 and 0.95.
Please try dowgrade upower package.
I have a very similar issue after upgrading to F26 : I go to "System" and "Lock Screen" explicitly. There I get my "Pop art squares" screensaver as expected. But if I then turn off my monitor and turn it back on (external 25" Dell DisplayPort, this is not a laptop), the screensaver is gone and access to my MATE desktop is available!
The mate-screensaver process is still running and I may lock the screen again. The thing is that just power cycling my computer's monitor opens up access to my running desktop.
I'm attaching the output of the following command when performing the steps above (lock, turn off, turn on) :
mate-screensaver --debug --no-daemon > mate-screensaver.log 2>&1
Created attachment 1319547 [details]
mate-screensaver debug output
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