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My kernel likes to panic during shutdown. Luckily it's only during shutdown so I can still use my machine for the most part. I start X manually and it if I'm remembering correctly if I only use the command line it doesn't happen. But if I'm using only the command line I tend not to be on very long, so time may be the real factor here. However, I noticed that my RAID array needed a resync. In any case, a kernel panic every use probably is going to cause problems at some point.
it's also not consistent. Sometimes there's a kernel panic, sometimes not. I use the lts kernel and have had this problem since the change from 4.4.52 to 4.9.xxx and upward. There's been occasional updates so I thought this would resolve the issue, but it hasn't. I've tried switching over to 4.10, but still get the same problem. The regular looking shutdown is replaced by a bunch of messages. Sometimes it appears to be waiting for a job to complete, which always times out. Sometimes it panics but manages to power off after a few minutes. it feels like every kernel update changes the way it crashes at shutdown.
I've tried downgrading my kernel but that fails to boot properly: the kernel modules won't load and I've yet to figure out which modules aren't compatible with 4.4.52.
Some probably-relevant info:
>: uname -a
Linux computah 4.10.5-1-ARCH #1 SMP PREEMPT Wed Mar 22 14:42:03 CET 2017 x86_64
>: cat /boot/loader/entries/arch.conf [18:19:08]
title Arch Linux UTD
linux /vmlinuz-linux
initrd /intel-ucode.img
initrd /initramfs-linux.img
options cryptdevice=UUID=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx:eroot root=/dev/mapper/eroot rw
>: pacman -Qe | grep nvidia [18:30:05]
nvidia 378.13-4
nvidia-lts 378.13-4
opencl-nvidia 378.13-6
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It happened again and I managed to get some more info. The first error that occurs is
BUG: Bad page state in process Xorg
.
Around 2013 or 2014 it seems a similar bug occurred and had something to do with nvidia drivers, which I'm using, too (updated of course).
I took a video of the shutdown process and got some stuff that means nothing to me but might be helpful (and in no particular order)
CPU: 3 PID: 1 Comm: systemd Tainted : P B D O 4.10.5-1-ARCH #1
Call Trace: dump_stack +0x63/0x83
bad_page+0xc4/0x130
kvm: exiting hardware virtualization
igb 0000:07:00.0: System wakeup enabled by ACPI
acpi_power_off called
This time it actually shut down, but other times it doesn't.
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