LIN problem with safegauto, in spider.

I am using safegauto within Whitebox.

GitHub - renesas-rcar/whitebox-sdk: R-Car S4 Whitebox SDK repository 

safegauto is from Commits on August 20, 2024.

I am experimenting with it on Spider.

In safegauto, the Makefile.config contains the following:

ifeq ($(TARGET), renesas_rcar_s4)

RLIN3_PORT0 = 7

….

endif

Additionally, in \hypervisor\obj\obj_1pe_atk2\sample1.c, there is:

syslog("HV%d : RH850v2 HyperVisor start on Core%d!\n", coreid, coreid);

The syslog is output through RLIN3_PORT0, which corresponds to LIN7, so there should be a waveform.

However, when measuring CN38[58] RLIN37TX with an oscilloscope, no waveform is detected.

Could you please help identify what might be the issue?