10393 SSD Debugging

Enable Panic

• enable_panic.sh

#!/bin/bash

# Enable kernel panic in disk drivers when command timeout has occurred

for IP in `seq 161 163`; do
	ssh-copy-id -i ~/.ssh/id_rsa.pub root@192.168.0."$IP"
	ssh root@192.168.0."$IP" 'echo 1 > /sys/devices/soc0/amba\@0/80000000.elphel-ahci/enable_panic_flag'
	ssh root@192.168.0."$IP" 'echo module ahci_elphel line 526 +p > /sys/kernel/debug/dynamic_debug/control'
done

Read SATA buffer

• read_sata_buffer.py

#!/usr/bin/env python

from __future__ import print_function
from __future__ import division
import x393sata
import x393_mem
mem = x393_mem.X393Mem(1,0,1)
sata = x393sata.x393sata()

hex([((mem.read_mem(0x80000ffc) >> 10) & 0xffc) + 0x80001000,mem.mem_dump (0x80001000, 0x400,4),sata.reg_status()][0])

print("'"+hex(((mem.read_mem(0x80000ffc)>>10)&0xffc)+0x80001000)+"'")