Comment 33 for bug 1705099

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In , davidnmfarrell (davidnmfarrell-linux-kernel-bugs) wrote :

Ok, I had a chance to compare the behavior of my machine (9365) against another XPS 13 (9360) that works with STI/STR. tldr; suspend seems to work, it looks like resume works, but the screen does not turn back on.

STI
9360: Screen turns off, power button light remains on. Pressing the power button immediately resumes to original state.

9365: Screen turns off, power button light remains on. Pressing power button seems to have no effect. Pressing and holding power button for ~8 seconds the screen comes back on, original state is resumed (run level 3 it stays on, run level 5 screen immediately goes off again).

STR
9360: Screen turns off, power button light goes off. Pressing the power button immediately resumes: power button light comes on, screen comes back. Original state is resumed.

9365: Screen turns off, power button light goes off. Pressing power button, the power button light comes back on, but the screen remains off. Pressing and holding power button for ~8 seconds the screen comes back on (run level 3 it stays on, run level 5 it immediately goes off again).

I'm attaching dmesg logs for pre and post STR.