On 31/08/18(Fri) 09:19, Tom Murphy wrote: > [...] > Here's the dmesg from a XHCI_DEBUG kernel before it crashes (it appears > to loop quite a few times before the kernel protection fault kicks in.)
You're now hitting a bug a ugen(4). Because you're detaching a device while ugen_do_read() is sleeping for a transfer to finish. This is definitively something that needs to be fixed. However... > xhci0: timeout aborting transfer > xhci_abort_xfer: xfer=0xffffff047d8afe10 status=IN_PROGRESS err=CANCELLED > actlen=0 len=24 idx=0 How do you generate this message?
