Hi,

I just updated my TD-W8970 to the latest snapshot, in part because I
wanted to use dwc2 to get support for isochronous transfers for a
webcam. My system currently has a USB thumbdrive for extroot and a USB
hub behind which there's a pl2303 serial adapter to acquire some data,
and the webcam. Prior to the upgrade I was running r43771, where the
webcam wouldn't work due to the mentioned lack of isoc traffic.

Now, after the upgrade I'm on r45621, using dwc2 for the USB, and when I
try to access the pl2303 adapter behind the hub, the whole system locks
up. I've connected a serial console, but there's no output whatsoever
when this happens, so perhaps it's some electrical issue? The system
will reboot some amount of time after this. When I connect the adapter
directly to the port on the router, it works fine (and is currently
acquiring data in that configuration.)

Any thoughts?

Thanks,
johannes
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