On Tue, 19 Sep 2017, Hans Petter Selasky wrote:
On 09/19/17 18:15, Mike Andrews wrote:
12:03:37.726830 usbus4.3 SUBM-BULK-EP=00000082,SPD=FULL,NFR=1,SLEN=0,IVAL=0
frame READ 1024 bytes
flags 0xa <SHORT_XFER_OK|PIPE_BOF|0>
This is the USB read transfer. The other side is not returning any data, so
neither is "cu" printing anything. Maybe you can try to get a similar trace
from the system where it works?
Looks to me like some kind of protocol error, that the Cisco USB serial
console needs some kind of activation.
Took me a few days to get around to getting usbmon going on Linux. The
verbose dump is too large for the list, so:
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