> On Sun, Feb 21, 2021 at 04:45:19PM +0000, marfabastewart wrote: > > [...] > > > and this is the output of sendbug -P on an APU2 > > with the patch compiled in, after plugging in > > the USB drive and rebooting. The USB drive is not > > detected on the APU2 on boot, but the lines > > from the patch are generated: > > halted=1 > > i=0 > > output below: > > Thanks for the reports. > > I have tried various variants to change the halt/reset cycle slightly. > But unfortunately nothing helps. It seems that when a certain kind > of USB device (like the umass) is plugged in to the AMD Bolton > controller, something goes not right with the device halt request.
Thank you very much for looking into it. I emailed PCEngines just now to see if they can provide any more information about the possible differences between the USB controllers on the APU2 and APU4. I will let you know when they reply.
