Been using 19.10 for a couple weeks and running sudo apt update && sudo apt upgrade daily with no issues until today when it seems to have updated the kernel (that's what linux-image`linux-headers`\etc are about, right?) and now I'm getting frequent soft-locks. Any ideas on how I can troubleshoot this? Here's a screenshot from one of the bug reports:
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Mike Lawrence
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2Possible duplicate of [NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! \[plymouthd:305\]](https://askubuntu.com/questions/875173/nmi-watchdog-bug-soft-lockup-cpu2-stuck-for-23s-plymouthd305) – karel Oct 22 '19 at 08:51
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I booted with a live-usb, didn't experience the soft-locks at all and was about to do a full re-install when the installer notified me that I had secure boot enabled. I have a memory of disabling that ages ago, so on a hunch I quit the installer and exited the live-usb, entered my bios settings and disabled secure boot, then rebooted into my previously soft-locking ubuntu install and have yet to encounter a soft-lock after an hour of use. So I think it's fixed? Anyone have any ideas on how secure boot would have been re-enabled like that and how that could out of nowhere start causing soft-locks?
Mike Lawrence
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Not sure if it's related, but I also just noticed that my `/usr/local/bin` folder is gone. – Mike Lawrence Oct 22 '19 at 14:12