S10 MX PHY: signal rx_is_lockedtodata unstable during hardware test

Hi,

This does not look like the AN issue, and this is uncertain if the 40G module can run at lower data rate.

Question:

a) Does the Laptop support AN and is this enabled? If this is enabled, you may try to disable it.

b) Did you first set the channel base address correctly below running other tests?

e.g. SET_CHANNEL_BASE_ADDR $channel

c) Could you please try to set the serial loopback and see if the locktodata is asserted?

e.g. SETPHY_SERIAL_LLPBK

d) Could you please connect it to an external loopback module (TX to RX) and run the following test?

e.g. TEST_EXT_LB {channel speed burst_size}

Regards -SK