July 20, 20251 yr I downloaded Armbian_25.5.1_Nanopi-r6s_trixie_current_6.12.32_minimal.img.xz and used unxz to uncompress it. Then I wrote it to a flash drive using: sudo dd if=Armbian_25.5.1_Nanopi-r6s_trixie_current_6.12.32_minimal.img of=/dev/rdisk4 bs=4194304 status=progress sync When I put the SD card in the slot, the heartbeat LED runs, the keyboard initializes, the LED light for the connected LAN lights green, but I get nothing on the monitor (HDMI). The SD cards are amazon basics 64GB Class 10 U3 A2 cards. I tried two different cards and got the same results. I just tried Debian from FriendlyElec, and that worked using the same cards and method, and that worked. Is there a trick to getting these images to work? I'd much prefer to be on the mainline kernel with Trixie (which I know will be released soon). Please advise.
July 21, 20251 yr expected. HDMI or hw support in general in 6.12.y is very basic and I am often impressed that hdmi actually works on some boards with this kernel. tl;dr: use vendor or edge kernels If need stuff running. current won't receive any further feature updates but security fixed only.
August 7, 20251 yr 26 minutes ago, Chad Skeeters said: How does one switch kernels if they can't see what they're doing? If network works - SSH to machine and https://docs.armbian.com/User-Guide_Armbian-Config/System/#alternative-kernels If that doesn't work https://docs.armbian.com/User-Guide_Troubleshooting/
August 7, 20251 yr Author Ok, I'm going to summarize for posterity. One can try ssh (which is enabled by default) with root/1234 (default), or the Debug TTY. This does exist on the NanoPi R6S between the USB-C Power and HDMI port. There are no headers soldered on, so that has to be done first with headers that can be purchased at one of the following URLs. https://www.adafruit.com/product/3009 https://www.amazon.com/dp/B07PKKY8BX Once the headers are one, you can connect to this port with a USB to UART device (preferably with a chip such as the CH340C, CP2104, FT232R) connected from another Windows, Linux or Mac computer. I suspect this device will work. https://www.amazon.com/gp/product/B07BBPX8B8 Debug TTY instructions are located here: https://www.youtube.com/watch?v=UpVMO7gbnYM&t=226s Thanks!
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