Hello, I know this is a super late response, but I had this same issue.
I found out that I had set: CONFIG_BOOT_ROM_LOG_ALWAYS_OFF=y which sets an eFuse (in my case it set DIS_USB_JTAG to 1) which had disabled all logging. I ended up having to use a different ESP32

Yo, im glad you got this working!

That link you posted is no longer valid it seems? I would love to look as I've been struggling with this stuff.

Hey, super late follow up to this. But I had the same issue but managed to fix it.

For me, it was because of misaligned SPI clock modes, clock polarity and phase, between the slave and master.
I found some sources that said the ESP32c6 DMA only worked in clock modes 1/3 instead of 0/2 like I ...

Hey all,

I am hoping to use the ESP RF test tool to test my PCB and setup with an ESP32C6. However, on the site:
https://docs.espressif.com/projects/esp-test-tools/en/latest/esp32c6/development_stage/rf_test_items/wifi_signaling_test.html#flash-firmware
It says "Not updated" where the link to ...