phd2 + INDI OnStepX crash

[testezt]

I compiled and installed phd2-2.6.13 on Raspberry Pi. I also installed indi-2.1 library.
I choose indi_LX200_OnStep driver and choose network connection. I could see the connection was established between indi and onstep mount. I moved the mount with indi.
However, when phd2 tried to connect indiserver, phd2 just crashed with a segmentation fault error while indiserver is still working.
Sometimes phd2 is running for a while. But eventually, it crashes.