Power & Source of Big Ideas

M4 with latest img - stability issue.

Moderators: chensy, FATechsupport

Hi There -

I bought a NanoPi M4 for a stereo vision use case. I am facing a stability issue with the latest IMG: rk3399-sd-friendlydesktop-bionic-4.4-arm64-20190523.img

It's a reproducible process. On my board, installed with the latest friendly desktop image, when I run the dual MIPI Camera shortcut (the one on the desktop) for a minute, and then try to launch a terminal, the board crashes.

Another way to notice the problem is simply to flash a new SD card with the latest IMG, to launch the dual camera test (in my case two MCAM400) and to wait for the crash... it takes usually between 5 to 10 minutes.

Is anybody facing the same issue?

Thanks,

N

PS - Same behavior after sudo apt-get update && sudo apt-get upgrade
PS - I can run correctly the Single MIPI Camera test for both cams.
OK - Got it. Sorry for this alarming claim. Nothing related to friendly desktop. I think it's related to my M4 running high on temp.
I added a cooling fan and now things work far better!
dmesg can show you some information - camera related stuff starts with rkisp1

where:
- ff910000.rkisp1 - Cam 1 conection
- ff920000.rkisp1 - Cam 2 conection

so log looks like this:

Code: Select all

[    0.240594] iommu: Adding device ff910000.rkisp1 to group 4
[    0.241176] iommu: Adding device ff920000.rkisp1 to group 5
[    1.383363] rkisp1 ff910000.rkisp1: rkisp1 driver version: v00.01.00
[    1.383941] rkisp1 ff910000.rkisp1: Missing rockchip,grf property
[    1.385698] rkisp1 ff910000.rkisp1: GPIO lookup for consumer vsirq
[    1.385707] rkisp1 ff910000.rkisp1: using device tree for GPIO lookup
[    1.385716] of_get_named_gpiod_flags: can't parse 'vsirq-gpios' property of node '/rkisp1@ff910000[0]'
[    1.385725] of_get_named_gpiod_flags: can't parse 'vsirq-gpio' property of node '/rkisp1@ff910000[0]'
[    1.385731] rkisp1 ff910000.rkisp1: using lookup tables for GPIO lookup
[    1.385739] rkisp1 ff910000.rkisp1: lookup for GPIO vsirq failed


You can't know this way about underpower(not stable power) or overheating, but may gather many more camera-related info
Thank you!

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