zzq@ubuntu:~/Desktop/Linux_for_Tegra$ sudo ./flash.sh -r jetson-tx2-4GB mmcblk0p1
###############################################################################
# L4T BSP Information:
# R32 , REVISION: 4.3
###############################################################################
# Target Board Information:
# Name: jetson-tx2-4GB, Board Family: t186ref, SoC: Tegra 186, 
# OpMode: production, Boot Authentication: NS, 
###############################################################################
./tegraflash.py --chip 0x18 --applet "/home/zzq/Desktop/Linux_for_Tegra/bootloader/mb1_recovery_prod.bin" --skipuid --cmd "dump eeprom boardinfo cvm.bin" 
Welcome to Tegra Flash
version 1.0.0
Type ? or help for help and q or quit to exit
Use ! to execute system commands
 
[   0.0045 ] Generating RCM messages
[   0.0060 ] tegrarcm_v2 --listrcm rcm_list.xml --chip 0x18 0 --download rcm /home/zzq/Desktop/Linux_for_Tegra/bootloader/mb1_recovery_prod.bin 0 0
[   0.0075 ] RCM 0 is saved as rcm_0.rcm
[   0.0083 ] RCM 1 is saved as rcm_1.rcm
[   0.0083 ] List of rcm files are saved in rcm_list.xml
[   0.0083 ] 
[   0.0084 ] Signing RCM messages
[   0.0097 ] tegrasign_v2 --key None --list rcm_list.xml --pubkeyhash pub_key.key
[   0.0110 ] Assuming zero filled SBK key
[   0.0172 ] 
[   0.0173 ] Copying signature to RCM mesages
[   0.0196 ] tegrarcm_v2 --chip 0x18 0 --updatesig rcm_list_signed.xml
[   0.0220 ] 
[   0.0221 ] Boot Rom communication
[   0.0233 ] tegrarcm_v2 --chip 0x18 0 --rcm rcm_list_signed.xml --skipuid
[   0.0246 ] RCM version 0X16
[   0.0262 ] Boot Rom communication failed
[   5.1497 ] 
Error: Return value 3
Command tegrarcm_v2 --chip 0x18 0 --rcm rcm_list_signed.xml --skipuid
Reading board information failed.