Mesa 7i95

To reassume

Sometimes LCNC started sometimes not(with error posted before hm2_eth: rtapi_app_main: Input/output error (-5))

when start:
1) after some times (max 2 minutes) I receive "error finisching read! iter=xxxx" and the "hm2_7i95.io_error become true"
2) hal configuration-->pins-hm2_7i955.0.0inmux sometimes contains all input sometimes only the number 00.

The board is with power supply on 4.95v and 15A.

What I have not written is that on the same pc I have 2 ethernet boards. One for Mesa and one for Internet navigation. The two boards are on different subnets (eth0 on 192.168.0.x for internet and eth1 for mesa tryed with 192.168.1.x and 10.10.10.x)
Ping is working between 0.120 and 0.140ms max sometimes 0.150ms

What kind of latency test results do you get?

Also you might try another power supply

A 15 A supply may not regulate properly with the ~300 mA load a 7I95 presents
A 1A supply is more that enough

Latency test is aprox 5000 ns max jitter. using firefox playing youtube videos while i use the pc normally.

The power supply is from an old pc. I tryed with 2 different but tomorrow i will search something "smaller". What is the max voltage that the mesa card accept? is written 5v, but 6 will already kill the board?

It should be 5V +-5%

Hi,
I have done some test with 3 different types of power supply but always same problems. I dont'think that is the problem...

I tryed also to take out the second network card (that normally use for internet) but no improvement.

What is strange is that sometimes the card have the right structure (with inmux) , athers times don't have the inmux.

always i become the error finihing read after some times (i tryed also tu put servoperiod = 2000000 (2ms) but not really better..

Can you give me the original mesa 7i95 bitfile (6 encoder/6 stepgen/ 6 output/ 23 input without doughter card connected) ? I would like to check if there is the right one bitfile on the board..(on www.mesanet.com/ there is no 7i95 file... :blink: )

there is also other things that i can do on network delays?
Thnk you

What PC?
Run a latency test and post a screenshot of it
latency-histogram --nobase --sbinsize 1000 --show