I’ve got multiple machines that do this, but all on nixos.

After completing the below, entering systemctl hibernate errors saying hibernation is not set up for the system.

This is weird, so I’d start here. Can you get the exact error and/or whatever it logs to journald?

I’d ignore all the TPM stuff until you can hibernate it and resume with a password. Maybe the swap is just too small? Maybe something in /etc/systemd/sleep.conf?

In case it helps, my device setup looks like this:

NAME               FSTYPE      FSVER    LABEL                             UUID                                   FSAVAIL FSUSE% MOUNTPOINTS
nvme0n1            crypto_LUKS 2                                          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
└─encrypted        LVM2_member LVM2 001                                   xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
  ├─encrypted-swap swap        1        swap                              xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx                  [SWAP]
  └─encrypted-root btrfs                root                              xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx      xxxx    xxx /mnt/root
                                                                                                                                /nix/store
                                                                                                                                /
nvme1n1
├─nvme1n1p1        vfat        FAT32                                      xxxxxxxxx                                xxxxx    xxx /boot
[...]

so luks -> lvm -> { swap, btrfs }

Edit:

https://wiki.archlinux.org/title/Power_management/Suspend_and_hibernate#Hibernation

When the system is running on UEFI, systemd-sleep(8) will automatically pick a suitable swap space to hibernate into, and the information of the used swap space is stored in HibernateLocation EFI variable.

So far I haven’t figured out from the systemd docs what “automatically pick a suitable swap space” actually means, or if that’s actually accurate.

I’m still not sure if those require giving the car a WiFi/cellular connection or if it’ll just use it’s own… I’ve heard that cars use their own SIMs to phone home, but I don’t actually know how prevalent that is

I assume you watched Mr. Show with Bob and David?

Researchers connected each vehicle to a custom WiFi access point and logged all outgoing traffic.

The article talks about both apps and the vehicles themselves. I would really like to see more info on what the cars do when you take the apps out of the equation. Are there any that don’t phone home unless you explicitly give them internet access?

A study about the results will be published this week.

I look forward to reading this.

Edit: actually there’s quite a bit more detailed info at https://automatictransmission.khoury.northeastern.edu/

Maybe start by doing something about all the crimes the AI companies admitted to allowing after they plugged their text generators into a computer terminal.

They could hook a nuclear missile silo computer up to a hamster wheel, and leave a hamster nearby. That would also have a pretty high chance of ending the world.

Is there a good way to get DVR features with it? I’d like to at least buffer and skip ads, and ideally watch stuff that’s already aired.

Apparently some IPTV providers give you access to some days of previous content, but I don’t see anything like that on their site.