Re: Ryzen7 3700U xhci fails on resume from sleep

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On Wed, Aug 28, 2019 at 4:43 PM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> With the git branch mentioned previously merged in, you can enable
> dynamic debug in device_pm.c, repeat the PM-runtime test and collect
> the log.  There should be some additional messages from the ACPI layer
> in it.

That's useful, thanks. Runtime suspend:

usb 1-4: USB disconnect, device number 2
    power-0419 __acpi_power_off      : Power resource [P0U0] turned off
device_pm-0278 device_set_power      : Device [XHC0] transitioned to D3hot

Runtime resume:
    power-0363 __acpi_power_on       : Power resource [P0U0] turned on
device_pm-0278 device_set_power      : Device [XHC0] transitioned to D0
xhci_hcd 0000:03:00.3: Refused to change power state, currently in D3
xhci_hcd 0000:03:00.3: enabling device (0000 -> 0002)
xhci_hcd 0000:03:00.3: WARN: xHC restore state timeout
xhci_hcd 0000:03:00.3: PCI post-resume error -110!
xhci_hcd 0000:03:00.3: HC died; cleaning up



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