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I have a really strange issue. Whenever I shutdown (or reboot), the screen (well, 2 screens) turn a solid blue then the computer restarts.
I do not know how to debug this or what logs would be helpful.
Here is a video I took (sorry, I recorded it using my phone) of the issue: https://www.youtube.com/watch?v=0F7VdDkrG6A
I'm not sure what info would be helpful here, but he's some specs of my system:
CPU: Ryzen 7 2700
Motherboard: ASRock B450M PRO4
GPU: AMD Radeon RX 580
WM: Enlightenment
Kernel: 5.7.7-arch1-1
Kernel command line: ro root=/dev/mapper/MyVG-root initrd=/amd-ucode.img initrd=/initramfs-linux.img audit=0 amd_iommu=on iommu=pt quiet splash loglevel=3 rd.udev.log_priority=3
What could be the issue here and how can I debug it/what logs should I look at?
I am running Plymouth (as you can see in the video), could that be the issue here?
Last edited by nticompass (2020-07-28 23:43:29)
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Are you saying your computer reboots when it should just shut down?
The short blue flicker (as seen in your video) is meaningless IMHO.
Please provide some troubleshooting information.
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Sorry, the video was the only way I could think of to describe the issue. The problem is, yeah, that when I tell the system to shut down it reboots instead (after the blue screen which shouldn't be happening).
What troubleshooting info would be helpful here? I wasn't really sure how to get a log of system shutdown. Which log file can I look at, or what can I do to help get some useful debug information here?
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Is there a parallel OS installation (ie windows)?
The difference between a power off and a reboot (did you try "systemctl poweroff" to rule out a simple UI bug) is an ACPI hint - if there's an ongoing hibernation, this might throw the BIOS off.
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Well, I feel silly... the whole issue here is just with Plymouth. Removing Plymouth makes everything work correctly.
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Plymouth changes the behavior from shutdown to reboot??
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Plymouth changes the behavior from shutdown to reboot??
It did a few years ago, haven't played with it since.
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Plymouth changes the behavior from shutdown to reboot??
I think Plymouth crashes during shutdown and makes the system reboot for some reason. This is a bug, not a feature :-P
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