Help troubleshooting kernel panic
#1
Hi! I'm new to the SBC world, so please excuse my noobness.

I've tried multiple images on my new Rock64 and all of them, at some point, crash. The problem is that I can't see the error messages because a lot of information is output too fast. Is there a location where that information is logged? I tried checking kern.log and other logs in /var/log but coludn't find anything.
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#2
(12-14-2019, 02:56 PM)gabrielfin Wrote: Hi! I'm new to the SBC world, so please excuse my noobness.

I've tried multiple images on my new Rock64 and all of them, at some point, crash. The problem is that I can't see the error messages because a lot of information is output too fast. Is there a location where that information is logged? I tried checking kern.log and other logs in /var/log but coludn't find anything.


If anywhere it'd be in /var/log/syslog, that said using a Serial Console would be your best bet for capturing debugging info...
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#3
The messages don't seem to be logged to syslog, nor anywhere else...
Although once the following error did indeed show up in a log: https://pastebin.com/73tuTGUv
This is another error: https://www.dropbox.com/s/8wvrhc99k84j1j...b.mp4?dl=1 (I shot at 60 FPS but still the text goes too fast...)

I tried with different images and all show similar errors. Also tried flashing the images with both dd and Etcher. The images I tried were:
Armbian_19.11.3_Rock64_bionic_current_5.3.11_desktop.img
bionic-minimal-rock64-0.9.14-1159-arm64.img (ayufan)
buster-minimal-rock64-0.9.14-1159-arm64.img (ayufan)
rock64-debian-mrfixit-190531.img
bionic-lxde-rock64-0.9.14-1159-armhf.img (ayufan)

Most of the times, the crash happens while booting, but once in a while I manage to boot up correctly. But eventually I get a crash.

I tried with a different micro SD card, but the same happens. I also verified the SD card with f3write.

Any idea what's going on?
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#4
For anyone interested, the problem was a bad board. They're already sending me a replacement.
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