On 2/14/21 1:12 PM, Saravana Kannan wrote: [ ... ] > Can you please give me the following details: > * The DTS file for the board (not the SoC). I don't have it, sorry. The devicetree file is generated by qemu. Is there a way to extract it from a running system ? > * A boot log with the logs enabled in device_links_check_suppliers() > and device_link_add() > There is not much to be seen, except this: [ 14.084606][ T11] pci 0005:01:00.0: probe deferral - wait for supplier interrupt-controller@0 repeated three times. Guenter