I JUST got the "you have a new version available" and clicked update
last night. From ~21.xx to 21.10 and it won't come back from deep sleep.
Acer C740P laptop with Ubuntu desktop.
Switching to:
echo shallow | sudo tee /sys/power/mem_sleep
from the previous comment allows me to come back. Howev
Okay, so I added to my GRUB kernel parameters string:
acpi_sleep=s3_bios,s3_mode
per here:
- http://powersave.sourceforge.net/powersave/Suspend2Ram.html
- https://wiki.ubuntu.com/Kernel/KernelBootParameters
and ran GRUB config. And set myself back to:
echo deep | sudo tee /sys/power/mem_sleep
NOPE, NEVERMIND. The issue is still happening. I thought I did a full
reboot, with [deep], and came back. But I just came back after an hour
or two and the BACKLIGHT turned on, but it still wouldn't come back from
suspend.
This seems like it attempted to come back online:
$ journalctl -o short-pr
To be clear, the last dmesg is from after I rebooted the "frozen"
computer (which wouldn't respond to Control-Alt-F1/F8/etc or any other
keys). Since it shows kernel version, etc.
I pushed some keys, the backlight came on like it was going to boot, and
then it just stopped there. But I think the p
Switching back from Kernel 5.13.0 to 5.11.0 has fixed the issue. So this
appears to be a kernel regression.
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https://bugs.launchpad.net/bugs/1910927
Title:
Suspend stopped
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