On Mon, 22 Jan 2018, Samuel Sadok wrote:
> As requested by Chen Yu on bugzilla, I added no_console_suspend=1 to
> the kernel cmdline and updated to the (roughly) latest kernel,
> 4.14.14-1-ARCH.
>
> Here's the new log:
> https://pastebin.com/buhEMyKk
>
> From a quick comparison with the old log I don't see any significant
> difference, except that these messages
>
> [ 32.671107] xhci_hcd 0000:00:14.0: Cannot set link state.
> [ 32.671112] usb usb2-port4: cannot disable (err = -32)
> [ 32.671153] xhci_hcd 0000:00:14.0: Cannot set link state.
> [ 32.671157] usb usb2-port4: cannot disable (err = -32)
>
> don't repeat forever.
It would be helpful to include debugging information in your log.
Before starting the suspend, do:
echo module usbcore =p >/sys/kernel/debug/dynamic_debug/control
You could also collect a usbmon trace while running the test; it might
help too.
Alan Stern
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