"Set SEL for device-initiated U1 failed." errors

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Hi Sarah,

I'm getting the following warnings from the 3.10.9 kernel all the time
when I unplug a USB 3 storage device from my laptop:
	[203282.987687] usb 4-1: USB disconnect, device number 21
	[203282.992904] usb 4-1: Set SEL for device-initiated U1 failed.
	[203282.992909] usb 4-1: Set SEL for device-initiated U2 failed.

What can a "normal" user do with these "failed" messages?  If nothing,
shouldn't we just turn them into debug messages instead?

Or is this an indication of another problem somewhere else?

This doesn't happen when unplugging a USB 2 device from the same port.

thanks,

greg k-h
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