[Wayland-bugs] [Bug 61910] Weston freezes system when switching back to its VT after leaving it for a while

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61910

--- Comment #4 from Rune K. Svendsen <runesvend at gmail.com> ---
[15:31:02.854] leaving VT
[15:36:02.855] queueing pageflip failed: Permission denied

This is interesting, because the "Permission denied"-error happens exactly 5
minutes after leaving the VT. 5 minutes (300 seconds), is incidentally the
default value of --idle-time, which determines when the screensaver is
activated.

If I set this value to 10 (seconds) (--idle-time=10), leave the VT, then enter
it again after 20 seconds, I get a freeze. If I set the value to 60 (seconds),
leave the VT, and enter the VT after 20 seconds, I *don't* get a freeze.

So it definitely seems like it's when the screensaver (or whatever is triggered
after "idle_time" seconds) is activated while away from the VT, switching back
to the VT causes Weston to become unresponsive to keyboard input.

Staying on the VT while the screensaver is activated doesn't cause a freeze;
when I move the mouse the green unlock circle appears and I can proceed as
normal.

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