Preparation:

Modify output.c in waltham transmitter as below to get the error number.

if(output->renderer->dmafd < 0) {
    weston_log("Failed to get dmafd ErrorNo=%d : %s\n", errno, strerror(errno));
    goto out;
}

Set up the boards:

Waltham-tranmitter (IVI) side:
Execute startup.sh and enable_debug.sh in AMM2019-startup-m3ulcb-vertical-latest.tar.xz 

$tar zxvf AMM2019-startup-m3ulcb-vertical-latest.tar.xz
$cd AMM2019-startup-m3ulcb-vertical
$./startup.sh <IP address of waltham receiver side>
$./enable_debug.sh

Waltham-receiver (Cluster) side: 

Execute startup.sh and enable_debug.sh in AMM2019-startup-m3ulcb-horizontal-latest.tar.xz 

$tar zxvf AMM2019-startup-m3ulcb-horizontal-latest.tar.xz
$cd AMM2019-startup-m3ulcb-horizontal
$./startup.sh <IP address of waltham transmitter side>
$./enable_debug.sh

make sure you have installed waltham-receiver at Cluster side.

Reproducibility:

Always

Reproduction scenario:

ErrorNo=6: It is shown once (sometimes 3 times) in the below steps, sometimes the errNo was 11 instead of 6.
ErrorNo=24: It is continuously shown 1 minite later after 5. start navigating

1. Start tbtNavi app
2. Start receiver
3. Set the destination on tbtNavi
4. Start transmitting tbtNavi
5. tbtNavi can be seen on waltham receiver, Start navigating

 Error logs:

weston-ivi-5078-w_patch-5.log