Why is openocd reporting EDSCR.SYS_ERR_PEND (bit 7 of EDSCR, aarch64, avnet ultra96) when attaching gdb to debug kernel over jtag?

Question

I am trying to get gdb (multiarch cli/eclipse) to debug linux kernel on avnet ultra 96 board over jtag and using openocd. My jtag interface is digilent HS3. I was able to get op