"Random" issues during/at boot

Most of the time, and especially once booted, my Pocket works fine. However, occasionally on boot-up there are a few seemingly random problems that occur - which I’m assuming may be related somehow, but not sure:

  • Two times I’ve had screen corruption during boot (see screenshot)
  • Oftentimes (hard to say, but seems almost 1 out of 2 boots) - the NVME drive either fails to be recognised at all, or if it does, I may get “Device /dev/nvme0n1pp is not a valid LUKS device” when attempting to mount/decrypt it", and thankfully if I reboot, it usually works fine again.
  • Once, I’ve also had it boot, but then the keyboard wasn’t functioning, although still responding via the system controller (so I could switch off via the menu).

Any ideas what might be an underlying problem? I think I have the latest (kb / sys control) firmwares installed.

Do these problems happen only on cold boot or only on warm reboots or all the time?
I’ve seen the NVME drive not coming up sometimes on warm boots, which I guess must be some form of reset or pcie init bug. My display also doesn’t properly init on reboots with current kernels. Haven’t found time yet to dig deeper since 38C3 though :frowning:

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Hmm… that’s another issue - I can’t seem to soft-reboot. When I try sustemctl reboot it looks like it’s shutting down, but the screen blanks, and doesn’t boot back up again (and the keyboard lights don’t change either). So, all of the issues are from a cold boot (shutting down, and booting up - with or without switching the reset switch position).

Regarding when it occurs - it seems really random. The screen issue is thankfully very rare, and the keyboard not working only occurred once that I recall. Regarding the NVME working or not, it seems like a lot, but I feel I need to note down what I did, and how the boot process went.