Until Minisforum releases a BIOS update that cleans up their DSDT, here are two practical ways to handle this:
1- Quick kernel parameter workaround - Try disabling runtime power management on the xHCI controller by adding this to your GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub: “usbcore.autosuspend=-1” Then run “sudo update-grub” and reboot. This often stops the controller from entering the broken reset cycle on malformed port descriptors... 2- Permanent local fix via ACPI table override - You can dump the DSDT, decompile it with iasl, comment out the duplicate HS14 definition, and load the corrected DSDT via initramfs: “cat /sys/firmware/acpi/tables/DSDT > dsdt.dat” “iasl -d dsdt.dat” (Delete the duplicate HS14 block, recompile with “iasl -tc dsdt.dsl”, and add it to an uncompressed cpio archive in /boot)... Keep fighting the BIOS bugs, Yoohoo :-)) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2166232 Title: ACPI BIOS Error: duplicate XHCI RHUB HS14 object causes intermittent USB port enumeration failure (Minisforum M1-1390 / RPFXC board) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2166232/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
