I solved the problem by a complete deinstall of mysensor and reinstall the master branch version (was dev version before).

Dirk

I started the gateway manually and get this:

gettimeofday({1563816015, 152499}, NULL) = 0
gettimeofday({1563816015, 152644}, NULL) = 0
gettimeofday({1563816015, 152790}, NULL) = 0
nanosleep({0, 10000000}, NULL)          = 0
ioctl(5, FIONREAD, [0])                 = 0
gettimeofday({1563816015, 163378}, NULL) = 0
gettimeofday({1563816015, 163527}, NULL) = 0
gettimeofday({1563816015, 163692}, NULL) = 0
nanosleep({0, 10000000}, NULL)          = 0
ioctl(5, FIONREAD, [11])                = 0
read(5, "0", 1)                         = 1
ioctl(5, FIONREAD, [10])                = 0
read(5, ";", 1)                         = 1
ioctl(5, FIONREAD, [9])                 = 0
read(5, "0", 1)                         = 1
ioctl(5, FIONREAD, [8])                 = 0
read(5, ";", 1)                         = 1
ioctl(5, FIONREAD, [7])                 = 0
read(5, "3", 1)                         = 1
ioctl(5, FIONREAD, [6])                 = 0
read(5, ";", 1)                         = 1
ioctl(5, FIONREAD, [5])                 = 0
read(5, "0", 1)                         = 1
ioctl(5, FIONREAD, [4])                 = 0
read(5, ";", 1)                         = 1
ioctl(5, FIONREAD, [3])                 = 0
read(5, "2", 1)                         = 1
ioctl(5, FIONREAD, [2])                 = 0
read(5, ";", 1)                         = 1
ioctl(5, FIONREAD, [1])                 = 0
read(5, "\n", 1)                        = 1
--- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=0} ---
+++ killed by SIGSEGV +++
pi@raspberrypi:~/MySensors $ 

I'm not sure what this means ? Any idea ?

Thanks,
Dirk

I use a raspberry as Gateway and as controller (FHEM). The gateway config looks like this:

./configure --my-transport=rf24  --my-rf24-channel=123 --my-rf24-pa-level=RF24_PA_MAX --my-gateway=serial --my-serial-is-pty --my-serial-port=/dev/ttyMySensorsGateway --my-serial-groupname=dialout

If I try to connect the controller the service fails

pi@raspberrypi:/tmp $ sudo systemctl status  mysgw.service -l
● mysgw.service - MySensors Gateway daemon
   Loaded: loaded (/etc/systemd/system/mysgw.service; enabled)
   Active: failed (Result: signal) since Sun 2019-07-21 21:19:12 CEST; 4min 16s ago
  Process: 5078 ExecStart=/usr/local/bin/mysgw -q (code=killed, signal=SEGV)
 Main PID: 5078 (code=killed, signal=SEGV)

Jul 21 21:18:15 raspberrypi systemd[1]: Started MySensors Gateway daemon.
Jul 21 21:19:12 raspberrypi systemd[1]: mysgw.service: main process exited, code=killed, status=11/SEGV
Jul 21 21:19:12 raspberrypi systemd[1]: Unit mysgw.service entered failed state.

The log mysgw.log is on debug but no message appears at the time of failure.

FHEM controller looks like this:
2019.07.21 21:19:12 3: Opening MyGateway_0 device /dev/ttyMySensorsGateway
2019.07.21 21:19:12 3: MyGateway_0 device opened
2019.07.21 21:19:12 3: MYSENSORS: ignoring presentation-msg from unknown radioId 0, childId 255, sensorType 18
2019.07.21 21:19:12 1: /dev/ttyMySensorsGateway disconnected, waiting to reappear (MyGateway_0)

Any ideas what to try or how to further debug?

Thanks,
Dirk