Hello,
I am encountering a problem after flashing Ubuntu 24.04 on a Particle Tachyon (4 GB RAM). The system boots and reaches the login screen, but I am unable to log in because the keyboard and mouse are not responding.
Could you please help me with this issue? Thank you.
How do you have the keyboard and mouse plugged in? Is it via USB dongle? If so, which one?
Can you plug the keyboard directly into the USB port to see if that fixes it?
I’m using a Baseus UltraJoy 6-port USB hub for the keyboard and mouse. I’ve used the same hub before on Tachyon with Ubuntu 20.04, and it worked without any issues. The problem only appeared after flashing Ubuntu 24.04.
I didn’t try plugging a keyboard directly into the device because I don’t have a USB-C keyboard available.
Which version of Ubuntu 24.04 are you running? It would be worth trying with the most recent release: Releases · particle-iot/tachyon-composer · GitHub
I built and flashed Ubuntu 24.04 locally using tachyon-composer, not via OTA.
The exact bundle I flashed was:
tachyon-ubuntu-24.04-RoW-desktop-formfactor_dvt-9.9.999.zip
This is a locally built Ubuntu 24.04 Desktop (RoW) image generated from the tachyon-composer build flow, not a pinned release tag from GitHub.
Can you try the other USB-C port on the Tachyon to see if there’s any improvement?
From an SSH session can you run a few commands to see if your keyboard and mouse are enumerating?
sudo dmesg -wthen unplug/plug in the mouse and keyboard to monitor the logslsusbto list all USB devicesjournalctl -k -b | tail -200to view the kernel logslsmod | egrep 'usbhid|hid_generic|hid'to make sure the HID driver is present
Yes — I tried using both USB-C ports. I connected the USB hub (with HDMI) to the primary USB-C port on Tachyon, and then connected the keyboard and mouse directly to the secondary USB-C port. With this setup, the keyboard and mouse worked correctly. Thank you for the suggestion!
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