Debian Milk-V Duo S Test Report

Test Environment

Operating System Information

• System Version: Debian 13 (trixie), community image v1.9.6
• Download Link: https://github.com/scpcom/sophgo-sg200x-debian/releases/tag/v1.9.6
• Reference Installation Document: https://github.com/scpcom/sophgo-sg200x-debian

Hardware Information

• Milk-V Duo S (512M, SG2000)
• A USB power adapter
• A USB-A to C or USB C to C cable for powering the development board
• A microSD card
• A USB card reader
• A USB to UART Debugger
• Three DuPont wires

Installation Steps

Using dd to Flash the Image to the microSD Card

lz4 -dk duos-e_sd.img.lz4
sudo dd if=duos-e_sd.img of=/dev/sdX bs=1M status=progress

Logging into the System

Logging into the system via the serial port.

Expected Results

The system boots up normally and allows login through the onboard serial port.

Actual Results

The system boots up normally and login through the onboard serial port is successful.

Boot Information

         Starting systemd-random-seed.service - Load/Save OS Random Seed...
[   13.079265] systemd[1]: Failed to start systemd-sysctl.service - Apply Kernel Variables.
[FAILED] Failed to start systemd-sysctl.service - Apply Kernel Variables.
See 'systemctl status systemd-sysctl.service' for details.

Debian GNU/Linux 13 duos-1f79 ttyS0

duos-1f79 login: root
Password:
Linux duos-1f79 5.10.260-20260711-6+duos #1 PREEMPT Tue Jul 14 03:03:04 UTC 2026 riscv64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
root@duos-1f79:~# lscpu
Architecture:          riscv64
  Byte Order:          Little Endian
CPU(s):                1
  On-line CPU(s) list: 0
root@duos-1f79:~# uname -a
Linux duos-1f79 5.10.260-20260711-6+duos #1 PREEMPT Tue Jul 14 03:03:04 UTC 2026 riscv64 GNU/Linux
root@duos-1f79:~#

During boot, systemd-sysctl.service failed to start. The cause has not been confirmed. Serial console login was successful in this test.

Screen recording:

Test Criteria

Successful: The actual result matches the expected result.

Failed: The actual result does not match the expected result.

Test Conclusion

Test successful. The system boots up normally and login through the onboard serial port is successful.