[Wedge100BF-series] cp2112 Error Follow
Purpose:
This is the troubleshooting guide for the cp2112 Error on Wedge100BF-series.
Example symptoms:
cp2112 0003:10C4:EA90.0001: Transfer timed out, cancelling.
cp2112 0003:10C4:EA90.0001: Transfer timed out, cancelling.
cp2112 0003:10C4:EA90.0001: Transfer timed out, cancelling.
cp2112 0003:10C4:EA90.0003: Error starting transaction: -71
cp2112 0003:10C4:EA90.0003: Error starting transaction: -71
cp2112 0003:10C4:EA90.0003: Error starting transaction: -71
Model:
Wedge100BF-32X/65X/32QS
Procedure:
Step 1. Check SPI flash and upgrade.
Article : SPI Flash Firmware version checking and upgrade
Step 2. Start up Accton Diag and Test Diag item 4
[Note] This test need to use Diag, some NOS is not compatible with Diag since they required whole space.
Article : [Wedge100BF-series] Install and start up Accton Diag, Barefoot Shell and SDE
root@bfn-switch:~/DIAG-V0.34# diag_main.py
Initiating Accton Diag Environment is PASSED(0)!
Please enter your choice (0 to quit):
*********************************************************
(..omitted)
4 The probe test cp2112 for usb-to-i2c bus
(..omitted)
*********************************************************
Please enter your choice (0 to quit): 4
The bus test for cp2112 is PASSED!
Item (4) test result: PASSED
If the test result got FAILED, please collect the test logs and report to us for RMA repair service.
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