Cannot Open USB when using nvmflash.sh

Autonomous Machines Jetson & Embedded Systems Jetson AGX Xavier
1

Hi,
When I am using nvmflash am fail to flash the tegra using mass flashing tool
"
Cannot Open USB
*** Error: Checking CPU bootloader failed.
"
When I am flashing using the regulars method everything is ok
The backup image has been created using ./nvmassflashgen.sh -r X1000Som1 mmcblk0p1

While the flashing command is nvmflash.sh .
The regular flash command is sudo ./flash.sh -r X1000Som1 mmcblk0p1 in order to use backuped system image.

*** Boot Rom communication
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --chip 0x19 0 --rcm rcm_list_signed.xml 
BR_CID: 0x880219116450b888180000000b020200
RCM version 0X190001
Boot Rom communication completed
*** Boot Rom communication succeeded.

*** Checking applet
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --isapplet
Applet version 01.00.0000
*** Checking applet succeeded.

*** Sending BCTs
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --download bct_bootrom br_bct_BR.bct --download bct_mb1 mb1_bct_MB1_sigheader.bct.encrypt --download bct_mem mem_rcm_sigheader.bct.encrypt
Applet version 01.00.0000
Sending bct_bootrom
[................................................] 100%
Sending bct_mb1
[................................................] 100%
Sending bct_mem
[................................................] 100%
*** Sending BCTs succeeded.

*** Sending bootloader and pre-requisite binaries
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --download blob blob.bin
Applet version 01.00.0000
Sending blob
[........                                        ] 016%^M[................                                ] 033%^M[.........................                       ] 050%^M[.................................               ] 066%^M[.........................................       ] 083%^M[................................................] 100%
*** Sending bootloader and pre-requisite binaries succeeded.

*** Booting Recovery
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --boot recovery
Applet version 01.00.0000
*** Booting Recovery succeeded.

*** Checking applet
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegrarcm_v2 --instance 1-8 --isapplet
No device on specified bus-port[1-8]

*** Checking CPU bootloader
/home/user/work/productionImage/newBe/mfi_X1000Som1/tegradevflash_v2 --instance 1-8 --iscpubl
No device on specified bus-port[1-8]
Cannot Open USB
*** Error: Checking CPU bootloader failed.
3

Hi yehonatans68sw4,

What’s the Jetpack version in use?

Could you help to provide the serial console log when you get “Cannot Open USB” while flashing the board?

and also provide the result of lsusb on host PC at this moment.

4

Hi
The serial log is:
Som.log (28.3 KB)

5

What’s the Jetpack version in use?
and also provide the result of lsusb on host PC at this moment.

There’s a similar thread as yours, please refer to check if it could help.
Mass flashing fails on TX2 with JetPack 4.6 - #5 by dan.madill

6

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