I was running KDE Neon on ThinkBook 15 G2 and had deep sleep working after adding mem_sleep_default=deep to GRUB_CMDLINE. It worked for a while until it didn’t. I didn’t do anything other than running regulat updates. Since couple weeks back, when going to sleep, it shows BIOS Recovery progress bar or something and restarts.

I switched to Debian and the behavior is the same. S2 sleep is next to useless as it drains something like 10% battery / hour, and the lap top is warm to touch.

  • Tushta@programming.devOP
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    10 months ago

    Yeah, if the bracket is on deep, it crashes and enter the BIOS recovery thingy. If it’s s2idle, it does what it says on the tin.