USB problems on PC Engines APU2C4

Hans Petter Selasky hps at selasky.org
Sat Jul 14 09:01:53 UTC 2018


On 07/13/18 22:57, Stefan Bethke wrote:
> 22:51:32.351126 usbus0.2 DONE-BULK-EP=00000002,SPD=HIGH,NFR=0,SLEN=0,IVAL=0,ERR=TIMEOUT
> 22:51:32.858070 usbus0.2 SUBM-CTRL-EP=00000000,SPD=HIGH,NFR=1,SLEN=8,IVAL=500

The timeout might indicate an interrupt problem at the host controller.

There are some EHCI quirks you can try:

hw.usb.ehci.lostintrbug: 0
hw.usb.ehci.iaadbug: 0

--HPS


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