On Tue, May 21, 2019 at 3:04 AM Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx> wrote: > > One thing that becomes evident now is that adb uses async io. > It seems that interaction of async io and s-g mode should be further > investigated. Although on our devices, we have async io disabled w/ adb, as there is an existing/separate issue w/ the dwc3 driver in 4.19 and older kernels. So it seems its not strictly connected to async io. thanks -john