Hello,
I decide to try PSRAM on ESP-WROVER-KIT-VB. I faced strange problem when use JTAG debuger and try simply to allocate memory from external SPI RAM.

void app_main()
{
char *p = heap_caps_malloc(400000, MALLOC_CAP_SPIRAM);
if(p)
strcpy(p, "1234");
printf("Test %s\n", p);
free(p ...