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BUG: soft lockup: CPU#8 stuck for 23s!
However, two distros do boot from USB: Bodhi and Mint. Bodhi even installs and can be booted afterwards, but it hangs when you shut down (after reaching target shutdown; it fails to power off), and I want a much more recent version of Enlightenment than the one they provide, which is hard to install because of library conflicts.
So it's Mint, which installs, but when I try to reboot, I just get a black screen and a blinking cursor: no Grub, so no boot. I followed very good instructions from https://community.linuxmint.com/tutorial/view/245 about how to boot from USB and mount the newly-installed system and then force a grub-install to the ext4 root partition, which on an SSD is /dev/nvme0n1p1. I tried this after installing in UEFI mode (failed) and then in BIOS Legacy mode, which seems to have worked, as I now get a Grub screen. But when it starts to boot, it dumps core while still in non-graphical TTY mode, and I get a raft of stuff shoot off the top of the screen, so I now have 23 lines mostly all like this
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[ 1.118968] [<ffffffffaf29d1a2>] rcu_process_callbacks+0x43a/0x5c0
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[ 1.119135] <EOI> [<ffffffffaeb9e7bf>] ? panic+0x1e6/0x226
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[ 1.119855] ---[ end trace 25e43f56303d5ee7 ]---
It feels like I'm close, but the coredump is beyond my abilities to act on. It's like Grub installed, but the boot process is being pointed to some place out in the void from which it can't recover. Is there some special action I should take while doing grub-install that understands SSDs, for example?