Rock64 random freezes
#1
Hello everyone,

This is my first post, so I'll spare a couple of lines to introduce myself:
I'm a hardware enthusiast, sometimes over my possibilities and capabilities, but that is the way I learn. I like running Linux in every device I have, sometimes just because. But I am far from being a Linux-only kind of guy: there is always room for Windows, OSX and FreeBSD.

I started to be interested in the Rock64 board a couple of months ago when someone introduced me to it. After reading on the forums for a while, I decided to buy it from someone that wasn't going to use it anymore. So far I've tried Debian Stretch and Armbian Ubuntu Bionic 64 images.
I am using it to host small headless server for internal use. The resources I am using are the built-in Ethernet, the CPU, the memory and the SD-Card.

To my surprise, I've been having random freezes with both images for a while. So I decided to debug the freezes by using an external UART to see if messages were dumped to the serial console. (I followed this instructions https://forum.pine64.org/showthread.php?tid=5029 )

These freezes could happen at random times, but mostly when I was interacting with the Rock64 through SSH protocol.
I tried to force this freezes with the stress command: sudo stress -c3 -m3; and succeded.
1-4 seconds after executing the stress command, the Rock64 board would freeze. I reproduced this four times in a row.

Would you think this is a board problem? I'm asking in case I have to ask for a refund from the person I bought the board from.

I'm pasting the kernel messages below for reference.

Salutations to everyone!


Random crash at boot:
https://pastebin.com/BtwZiqXc

First crash induced by stress:
https://pastebin.com/Dxp6SKvT

Second crash induced by stress + temperatures.
https://pastebin.com/5jK74aAP



Images used:
https://github.com/ayufan-rock64/linux-b...m64.img.xz
https://github.com/ayufan-rock64/linux-b...m64.img.xz

PSU:
Original 5v 3A.
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#2
Hi, which image (exactly which version) are you running? ayufan just released new stable
You can find me on IRC, Discord and Twitter


  Reply
#3
(07-01-2019, 05:12 AM)Luke Wrote: Hi, which image (exactly which version) are you running? ayufan just released new stable

Hi Luke,

When I captured the kernel errors above I was using bionic-minimal-rock64-0.7.8-1061-arm64.img.xz .

I may give revision 0.8.3 a go tonight to see if the freezes reproduce on that version.

Regards,
BTB
  Reply
#4
0.7.8 is very old at this point, so granted the nature of the issue is not related to hw then its likely fixed.
You can find me on IRC, Discord and Twitter


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