Latest Ubuntu Crash on resume

Getting a hard crash and reset on wake up. i5 Model 32GB RAM 2TB WD SSD. Just starting to investigate. We actually running windows 11 till I get back to it.

I have the same issue on mine. It’s also an i5 with 16GB RAM and the official WD_BLACK SN750 SSD running Ubuntu 20.04.4 with KDE. The root and swap partitions are encrypted.

Every one in 5-10 times (so every day or two), I’ll open the lid. It will show the login screen for a couple of seconds and then the computer will switch off (not shutdown; just turn off).

If anyone has any ideas I’d appreciate it. Other than this, I’m really liking this computer.

So after some Googling led me to these posts suggesting it was a problem with the SSD and ASPM, I tried adding


to the boot parameter list.

Since then, it’s been almost a week and I haven’t had a crash since.

(I also disabled the “enforce secure boot” BIOS option at the same time. I’ll give it another week or so and then try turning back on to see if it brings back the instability.)

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This is great. I haven’t been using it as much as I would like. I will take a look myself.

It’s been nearly a month and I’ve left it on the whole time, suspending to RAM instead of shutting down. There have been no crashes.

I finally got around to rebooting and have re-enabled the “enforce secure boot” option. This isn’t really a feature I want but I’m trying to eliminate it as a cause.

It seems to run fine with secure boot disabled. I did have one crash but that seems to be unrelated.