On Tue, 19 Sep 2017, Hans Petter Selasky wrote:
On 09/19/17 18:15, Mike Andrews wrote:
<OPEN|TRANSFERRING|STARTED|SHORT_XFER_OK|BDMA_ENABLE|BDMA_NO_POST_SYNC|BDMA_SETUP|CAN_CANCEL_IMMED|DOING_CALLBACK|0>
12:03:37.726830 usbus4.3 SUBM-BULK-EP=00000082,SPD=FULL,NFR=1,SLEN=0,IVAL=0
frame[0] READ 1024 bytes
flags 0xa <SHORT_XFER_OK|PIPE_BOF|0>
status 0xcf023
Hi,
Look for:
XXXX-BULK-EP=00000082
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:
https://www.bit0.com/tmp/usbmon-ciscoasa-verbose.txt
https://www.bit0.com/tmp/usbmon-ciscoasa.txt
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