Hi, >> # echo 81920 > /sys/kernel/debug/tracing/buffer_size_kb >> # echo 1 > /sys/kernel/debug/tracing/events/xhci-hcd/enable >> >> Trace buffer is /sys/kernel/debug/tracing/trace. Can I enable this on the command line? Because I guess I need traces from startup when the dock is connected already. >> Also worth testing if rebinding/resetting the 4 port USB 3.1 hub built into the dock with >> the NIC connected to it helps. >> >> # echo "4-2:1.0" > /sys/bus/usb/drivers/hub/unbind >> # echo "4-2:1.0" > /sys/bus/usb/drivers/hub/bind This does not help, unfortunately. I've attached dmesg logs with xhci-hcd and usbcore debug output, one log from a faulty run, and one from an ok run. I can provide traces once I know how to enable xhci tracing on the kernel command line. Thanks and best regards, Christian
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dmesg_xhci_nok.txt.xz
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dmesg_xhci_ok.txt.xz
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