@WayneWWW, here is the output from picocom:
archana@archana-H310M-DS2:~$ sudo picocom -b 115200 /dev/ttyUSB3
picocom v2.2
port is : /dev/ttyUSB3
flowcontrol : none
baudrate is : 115200
parity is : none
databits are : 8
stopbits are : 1
escape is : C-a
local echo is : no
noinit is : no
noreset is : no
nolock is : no
send_cmd is : sz -vv
receive_cmd is : rz -vv -E
imap is :
omap is :
emap is : crcrlf,delbs,
Type [C-a] [C-h] to see available commands
Terminal ready
[ 206.944565] systemd-shutdow: 52 output lines suppressed due to ratelimiting
[ 207.181723] tegra-xusb 3610000.xhci: Host not halted after 16000 microseconds.
[ 207.181956] tegra-xusb 3610000.xhci: Host controller not halted, aborting reset.
[ 207.302397] CPU1: shutdown
[ 207.360373] CPU2: shutdown
[ 207.429495] CPU3: shutdown
[ 207.463662] reboot: Power down
����Shutdown state requested 0
Shutting down system ...
��
[0000.085] W> RATCHET: MB1 binary ratchet value 4 is too large than ratchet level 2 from HW fuses.
[0000.093] I> MB1 (prd-version: 1.5.1.3-t194-41334769-d2a21c57)
[0000.098] I> Boot-mode: Coldboot
[0000.101] I> Chip revision : A02
[0000.104] I> Bootrom patch version : 15 (correctly patched)
[0000.110] I> ATE fuse revision : 0x200
[0000.113] I> Ram repair fuse : 0x0
[0000.116] I> Ram Code : 0x0
[0000.119] I> rst_source : 0x0
[0000.121] I> rst_level : 0x0
[0000.125] I> Boot-device: eMMC
[0000.140] I> sdmmc DDR50 mode
[0000.144] W> No valid slot number is found in scratch register
[0000.149] W> Return default slot: _a
[0000.153] I> Active Boot chain : 0
[0000.156] I> Boot-device: eMMC
[0000.160] W> MB1_PLATFORM_CONFIG: device prod data is empty in MB1 BCT.
[0000.167] I> Temperature = 37500
[0000.170] W> Skipping boost for clk: BPMP_CPU_NIC
[0000.175] W> Skipping boost for clk: BPMP_APB
[0000.179] W> Skipping boost for clk: AXI_CBB
[0000.183] W> Skipping boost for clk: AON_CPU_NIC
[0000.187] W> Skipping boost for clk: CAN1
[0000.191] W> Skipping boost for clk: CAN2
[0000.195] I> Boot-device: eMMC
[0000.198] I> Boot-device: eMMC
[0000.207] I> Sdmmc: HS400 mode enabled
[0000.212] I> ECC region[0]: Start:0x0, End:0x0
[0000.216] I> ECC region[1]: Start:0x0, End:0x0
[0000.220] I> ECC region[2]: Start:0x0, End:0x0
[0000.224] I> ECC region[3]: Start:0x0, End:0x0
[0000.228] I> ECC region[4]: Start:0x0, End:0x0
[0000.232] I> Non-ECC region[0]: Start:0x80000000, End:0x100000000
[0000.238] I> Non-ECC region[1]: Start:0x0, End:0x0
[0000.242] I> Non-ECC region[2]: Start:0x0, End:0x0
[0000.247] I> Non-ECC region[3]: Start:0x0, End:0x0
[0000.251] I> Non-ECC region[4]: Start:0x0, End:0x0
[0000.257] E> FAILED: Thermal config
[0000.264] E> FAILED: MEMIO rail config
[0000.277] I> Boot-device: eMMC
[0000.287] I> sdmmc bdev is already initialized
[0000.359] I> MB1 done
����main enter
SPE VERSION #: R01.00.14 Created: Sep 19 2018 @ 11:03:21
HW Function test
Start Scheduler.
in late init
��
[0000.367] I> Welcome to MB2(TBoot-BPMP) (version: 00.00.2018.32-mobile-2dfe4beb)
[0000.368] I> DMA Heap @ [0x526fa000 - 0x52ffa000]
[0000.369] I> Default Heap @ [0xd486400 - 0xd48a400]
[0000.369] E> DEVICE_PROD: Invalid value data = 70020000, size = 0.
[0000.375] W> device prod register failed
[0000.379] I> Boot-device: eMMC
[0000.382] I> Boot_device: SDMMC_BOOT instance: 3
[0000.388] I> sdmmc-3 params source = boot args
[0000.391] I> sdmmc bdev is already initialized
[0000.395] I> sdmmc-3 params source = boot args
[0000.401] I> Found 17 partitions in SDMMC_BOOT (instance 3)
[0000.408] I> Found 42 partitions in SDMMC_USER (instance 3)
[0000.410] W> No valid slot number is found in scratch register
[0000.416] W> Return default slot: _a
[0000.419] I> Active Boot chain : 0
[0000.423] I> parsing oem signed section of bpmp-fw header done
[0000.428] I> bpmp-fw binary init read from storage
[0000.433] I> oem authentication of bpmp-fw header done
[0000.440] I> bpmp-fw binary done read from storage
[0000.442] I> bpmp-fw: Authentication init Done
[0000.448] I> parsing oem signed section of cpubl header done
[0000.452] I> cpubl binary init read from storage
[0000.457] I> bpmp-fw: Authentication Finalize Done
[0000.461] I> oem authentication of cpubl header done
[0000.466] I> cpubl binary done read from storage
[0000.470] I> cpubl: Authentication init Done
[0000.477] I> parsing oem signed section of rce header done
[0000.480] I> rce binary init read from storage
[0000.484] I> Relocating BR-BCT
[0000.487] I> cpubl: Authentication Finalize Done
[0000.492] I> oem authentication of rce header done
[0000.496] I> rce binary done read from storage
[0000.500] I> rce: Authentication init Done
[0000.505] I> parsing oem signed section of ape header done
[0000.510] I> ape binary init read from storage
[0000.514] I> rce: Authentication Finalize Done
[0000.519] I> oem authentication of ape header done
[0000.523] I> ape binary done read from storage
[0000.527] I> ape: Authentication init Done
[0000.532] I> parsing oem signed section of tos header done
[0000.537] I> tos binary init read from storage
[0000.541] I> ape: Authentication Finalize Done
[0000.546] I> oem authentication of tos header done
[0000.550] I> tos binary done read from storage
[0000.554] I> tos: Authentication init Done
[0000.559] I> parsing oem signed section of bpmp-fw-dtb header done
[0000.564] I> bpmp-fw-dtb binary init read from storage
[0000.569] I> tos: Authentication Finalize Done
[0000.575] I> oem authentication of bpmp-fw-dtb header done
[0000.582] I> bpmp-fw-dtb binary done read from storage
[0000.584] I> bpmp-fw-dtb: Authentication init Done
[0000.589] I> parsing oem signed section of cpubl-dtb header done
[0000.594] I> cpubl-dtb binary init read from storage
[0000.599] I> bpmp-fw-dtb: Authentication Finalize Done
[0000.636] I> oem authentication of cpubl-dtb header done
[0000.637] I> cpubl-dtb binary done read from storage
[0000.637] I> cpubl-dtb: Authentication init Done
[0000.639] I> parsing oem signed section of eks header done
[0000.640] I> eks binary init read from storage
[0000.641] I> cpubl-dtb: Authentication Finalize Done
[0000.641] I> oem authentication of eks header done
[0000.645] I> eks binary done read from storage
[0000.649] I> eks: Authentication init Done
[0000.653] I> eks: Authentication Finalize Done
[0000.657] I> EKB detected (length: 0x410) @ VA:0x5270a400
��NOTICE: BL31: v1.3(release):41d46a9cf
NOTICE: BL31: Built : 21:14:52, Jun 25 2020
ipc-unittest-main: 1519: Welcome to IPC unittest!!!
ipc-unittest-main: 1531: waiting forever
ipc-unittest-srv: 329: Init unittest services!!!
hwkey-agent: 40: hwkey-agent is running!!
hwkey-agent: 182: key_mgnt_processing .......
hwkey-agent: 157: Init hweky-agent services!!
platform_bootstrap_epilog: trusty bootstrap complete
��
welcome to lk
calling constructors
initializing heap
creating bootstrap completion thread
top of bootstrap2()
initializing platform
bpmp: platform_init
tag is 57f8a77779f848bf2ecf21dabee5645f
tag_show initialized
dt initialized
mail initialized
chipid initialized
fuse initialized
sku initialized
speedo initialized
ec_get_ec_list: found 45 ecs
ec initialized
ec_mrq initialized
vmon_populate_monitors: found 3 monitors
vmon initialized
adc initialized
fmon_populate_monitors: found 73 monitors
fmon initialized
fmon_mrq initialized
reset initialized
nvhs initialized
392 clocks registered
WARNING: pll_c4 has no dyn ramp
clk_mrq_init: mrq handler registered
clk initialized
nvlink initialized
io_dpd initialized
io_dpd initialized
thermal initialized
i2c5 controller initialized
initialized i2c mrq handling
i2c initialized
regulator initialized
avfs_clk_platform initialized
soctherm initialized
aotag initialized
powergate initialized
dvs initialized
pm initialized
pg_late initialized
strap initialized
tag initialized
emc initialized
clk_dt initialized
avfs_ccplex_platform initialized
tj_max: dt node not found
tj_init initialized
uphy_mrq_init: mrq handler registered
uphy_dt initialized
uphy initialized
safereg_init: period 80 ms
ec_late initialized
��
[0001.126] I> Welcome to Cboot��mrq initialized
fmon_post initialized
��
[0001.126] I> Cboot Version: t194-18fdfe28
[0001.126] I> CPU-BL Params @ 0xf2820000
[0001.127] I> 0) Base:0x00000000 Size:0x00000000
[0001.130] I> 1) Base:0xf1100000 Size:0x00100000
[0001.135] I> 2) Base:0xf2000000 Size:0x00200000
[0001.139] I> 3) Base:0xf1200000 Size:0x00200000
��clk_set_parent failed for clk can1, parent pll_aon (-22)
clk_set_parent failed for clk can2, parent pll_aon (-22)
clk_set_parent failed for clk dmic5, parent pll_aon (-22)
clk_set_parent failed for clk i2c2, parent pll_aon (-22)
clk_set_parent failed for clk i2c8, parent pll_aon (-22)
clk_set_parent failed for clk spi2, parent pll_aon (-22)
clk_set_parent failed for clk pwm4, parent pll_aon (-22)
clk_dt_late initialized
machine_check initialized
pm_post initialized
dbells initialized
avfs_clk_platform_post initialized
dmce initialized
cvc initialized
ccplex_avfs_hw_init: nafll_cluster0: not monitored
ccplex_avfs_hw_init: nafll_cluster1: not monitored
ccplex_avfs_hw_init: nafll_cluster2: not monitored
ccplex_avfs_hw_init: nafll_cluster3: not monitored
avfs_clk_mach_post initialized
regulator_post initialized
rm initialized
sc7_diag initialized
thermal_test initialized
serial_late initialized
clk_post initialized
clk_dt_post initialized
mc_reg initialized
pg_post initialized
dyn_modules initialized
sku_debugfs initialized
speedo_debugfs initialized
adc_debugfs initialized
clk_debugfs initialized
��[0001.144] I> 4) Base:0xf1000000 Size:0x00100000
[0001.249] I> 5) Base:0xf0f00000 Size:0x00100000
[0001.253] I> 6) Base:0xf3800000 Size:0x00400000
[0001.257] I> 7) Base:0xf1c00000 Size:0x00400000
[0001.262] I> 8) Base:0xf0e00000 Size:0x00100000
[0001.266] I> 9) Base:0xf0d00000 Size:0x00100000
[0001.271] I> 10) Base:0xf3000000 Size:0x00800000
[0001.275] I> 11) Base:0x40000000 Size:0x00040000
[0001.280] I> 12) Base:0xf0c00000 Size:0x00100000��emc_debugfs initialized
dvs_debugfs initialized
fmon_debugfs initialized
vmon_debugfs initialized
pg_debugfs initialized
profile_fs initialized
debugfs_cons initialized
mail_fs initialized
profile initialized
cvc_debugfs initialized
dmce_debugfs initialized
ec_debugfs initialized
rm_debugfs initialized
soctherm_debug initialized
gr_reader initialized
mods initialized
dt_fs initialized
debugfs_mrq initialized
debug_mrq initialized
debug_safereg initialized
initializing target
calling apps_init()
starting app shell
entering main console loop
] ��
[0001.335] I> 13) Base:0x40046000 Size:0x00002000
[0001.339] I> 14) Base:0x40048000 Size:0x00002000
[0001.344] I> 15) Base:0xac000000 Size:0x00004000
[0001.348] I> 16) Base:0x4004a000 Size:0x00002000
[0001.352] I> 17) Base:0xf0b00000 Size:0x00100000
[0001.357] I> 18) Base:0x4004c000 Size:0x00002000
[0001.361] I> 19) Base:0xf2200000 Size:0x00600000
[0001.366] I> 20) Base:0x4004e000 Size:0x00002000
[0001.370] I> 21) Base:0xf09d0000 Size:0x0000c000
[0001.375] I> 22) Base:0x00000000 Size:0x00000000
[0001.379] I> 23) Base:0xf09e0000 Size:0x00020000
[0001.384] I> 24) Base:0xf6000000 Size:0x02000000
[0001.388] I> 25) Base:0x40050000 Size:0x00002000
[0001.393] I> 26) Base:0x40040000 Size:0x00006000
[0001.397] I> 27) Base:0xf1800000 Size:0x00400000
[0001.402] I> 28) Base:0xf4c00000 Size:0x01400000
[0001.406] I> 29) Base:0xf1400000 Size:0x00400000
[0001.410] I> 30) Base:0xf0a00000 Size:0x00100000
[0001.415] I> 31) Base:0x00000000 Size:0x00000000
[0001.419] I> 32) Base:0xf8000000 Size:0x08000000
[0001.424] I> 33) Base:0x00000000 Size:0x00000000
[0001.428] I> 34) Base:0xf3c00000 Size:0x01000000
[0001.433] I> 35) Base:0xab000000 Size:0x01000000
[0001.437] I> 36) Base:0xa0000000 Size:0x0b000000
[0001.442] I> 37) Base:0xf2800000 Size:0x00800000
[0001.446] I> 38) Base:0x80000000 Size:0x20000000
[0001.451] I> 39) Base:0xb0000000 Size:0x08000000
[0001.455] I> 40) Base:0x00000000 Size:0x00000000
[0001.460] I> 41) Base:0x00000000 Size:0x00000000
[0001.464] I> 42) Base:0x00000000 Size:0x00000000
[0001.468] I> 43) Base:0x00000000 Size:0x00000000
[0001.473] I> 44) Base:0x00000000 Size:0x00000000
[0001.477] I> 45) Base:0x00000000 Size:0x00000000
[0001.482] GIC-SPI Target CPU: 0
[0001.485] Interrupts Init done
[0001.488] calling constructors
[0001.491] initializing heap
[0001.493] I> Heap: [0xa06905a8 ... 0xab000000]
[0001.498] initializing threads
[0001.500] initializing timers
[0001.503] creating bootstrap completion thread
[0001.508] top of bootstrap2()
[0001.510] CPU: MIDR: 0x4E0F0040, MPIDR: 0x80000000
[0001.515] initializing platform
[0001.518] E> DEVICE_PROD: Invalid value data = 0, size = 0.
[0001.523] W> device prod register failed
[0001.527] I> Bl_dtb @0xaaf00000
[0001.534] W> "plugin-manager" doesn't exist, creating
[0001.535] W> "ids" doesn't exist, creating
[0001.539] W> "connection" doesn't exist, creating
[0001.544] W> "configs" doesn't exist, creating
[0001.555] I> Find /i2c@3160000's alias i2c0
[0001.555] I> Reading eeprom i2c=0 address=0x50
[0001.581] I> Device at /i2c@3160000:0x50
[0001.582] I> Reading eeprom i2c=0 address=0x56
[0001.606] I> Device at /i2c@3160000:0x56
[0001.608] I> Find /i2c@3180000's alias i2c2
[0001.608] I> Reading eeprom i2c=2 address=0x54
[0001.610] E> I2C: slave not found in slaves.
[0001.610] E> I2C: Could not write 0 bytes to slave: 0x00a8 with repeat start true.
[0001.611] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.611] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa8 at 0x00000000 via instance 2.
[0001.620] E> eeprom: Failed to read I2C slave device
[0001.625] I> Eeprom read failed 0x3526070d
[0001.629] I> Reading eeprom i2c=2 address=0x57
[0001.633] E> I2C: slave not found in slaves.
[0001.637] E> I2C: Could not write 0 bytes to slave: 0x00ae with repeat start true.
[0001.645] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.651] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xae at 0x00000000 via instance 2.
[0001.660] E> eeprom: Failed to read I2C slave device
[0001.665] I> Eeprom read failed 0x3526070d
[0001.669] I> Reading eeprom i2c=2 address=0x52
[0001.674] E> I2C: slave not found in slaves.
[0001.678] E> I2C: Could not write 0 bytes to slave: 0x00a4 with repeat start true.
[0001.685] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.691] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa4 at 0x00000000 via instance 2.
[0001.700] E> eeprom: Failed to read I2C slave device
[0001.705] I> Eeprom read failed 0x3526070d
[0001.710] I> Find /i2c@c240000's alias i2c1
[0001.713] I> Reading eeprom i2c=1 address=0x52
[0001.719] E> I2C: slave not found in slaves.
[0001.722] E> I2C: Could not write 0 bytes to slave: 0x00a4 with repeat start true.
[0001.729] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.735] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa4 at 0x00000000 via instance 1.
[0001.745] E> eeprom: Retry to read I2C slave device.
[0001.749] E> I2C: slave not found in slaves.
[0001.753] E> I2C: Could not write 0 bytes to slave: 0x00a4 with repeat start true.
[0001.761] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.767] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa4 at 0x00000000 via instance 1.
[0001.776] E> eeprom: Failed to read I2C slave device
[0001.781] I> Eeprom read failed 0x3526070d
[0001.785] I> Reading eeprom i2c=1 address=0x50
[0001.790] E> I2C: slave not found in slaves.
[0001.794] E> I2C: Could not write 0 bytes to slave: 0x00a0 with repeat start true.
[0001.801] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.807] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa0 at 0x00000000 via instance 1.
[0001.816] E> eeprom: Retry to read I2C slave device.
[0001.821] E> I2C: slave not found in slaves.
[0001.825] E> I2C: Could not write 0 bytes to slave: 0x00a0 with repeat start true.
[0001.833] E> I2C_DEV: Failed to send register address 0x00000000.
[0001.839] E> I2C_DEV: Could not read 256 registers of size 1 from slave 0xa0 at 0x00000000 via instance 1.
[0001.848] E> eeprom: Failed to read I2C slave device
[0001.853] I> Eeprom read failed 0x3526070d
[0001.857] I> create_pm_ids: id: 2888-0001-400-L, len: 15
[0001.862] I> config: mem-type:00,power-config:00,misc-config:00,modem-config:00,touch-config:00,display-config:00,, len: 93
[0001.873] I> create_pm_ids: id: 2822-0000-700-H, len: 15
[0001.878] I> config: mem-type:00,power-config:00,misc-config:00,modem-config:00,touch-config:00,display-config:00,, len: 93
[0001.889] I> Adding plugin-manager/ids/2888-0001-400=/i2c@3160000:module@0x50
[0001.898] W> "i2c@3160000" doesn't exist, creating
[0001.901] W> "module@0x50" doesn't exist, creating
[0001.906] I> Adding plugin-manager/ids/2822-0000-700=/i2c@3160000:module@0x56
[0001.913] W> "module@0x56" doesn't exist, creating
[0001.919] I> Adding plugin-manager/cvm
[0001.921] W> "chip-id" doesn't exist, creating
[0001.925] I> Adding plugin-manager/chip-id/A02
[0001.930] I> Plugin-manager override starting
[0001.935] I> node /plugin-manager/fragement-tegra-wdt-en matches
[0001.944] I> node /plugin-manager/fragement-soft-wdt matches
[0001.952] I> node /plugin-manager/fragment-pcie-c5-rp matches
[0001.957] I> node /plugin-manager/fragment-tegra-ufs-lane10 matches
[0001.968] I> Disable plugin-manager status in FDT
[0001.968] I> Plugin-manager override finished successfully
[0001.969] I> gpio framework initialized
[0001.972] I> tegrabl_gpio_driver_register: register 'nvidia,tegra194-gpio' driver
[0001.979] I> tegrabl_gpio_driver_register: register 'nvidia,tegra194-gpio-aon' driver
[0001.985] I> tegrabl_tca9539_init: i2c bus: 1, slave addr: 0x46
[0001.993] E> fetch_driver_phandle_from_dt: failed to get node with compatible ti,tca9539
[0002.001] E> fetch_driver_phandle_from_dt: failed to get node with compatible nxp,tca9539
[0002.007] W> tegrabl_tca9539_init: failed to fetch phandle from dt
[0002.013] I> tegrabl_tca9539_init: i2c bus: 1, slave addr: 0x44
[0002.021] E> fetch_driver_phandle_from_dt: failed to get node with compatible ti,tca9539
[0002.028] E> fetch_driver_phandle_from_dt: failed to get node with compatible nxp,tca9539
[0002.035] W> tegrabl_tca9539_init: failed to fetch phandle from dt
[0002.042] I> fixed regulator driver initialized
[0002.054] I> register 'maxim' power off handle
[0002.055] I> virtual i2c enabled
[0002.055] I> registered 'maxim,max20024' pmic
[0002.057] I> tegrabl_gpio_driver_register: register 'max20024-gpio' driver
[0002.064] I> Boot-device: eMMC
[0002.067] I> Boot_device: SDMMC_BOOT instance: 3
[0002.075] I> sdmmc-3 params source = boot args
[0002.076] I> create_pm_ids: id: 2888-0001-400-L, len: 15
[0002.081] I> config: mem-type:00,power-config:00,misc-config:00,modem-config:00,touch-config:00,display-config:00,, len: 93
[0002.092] I> create_pm_ids: id: 2822-0000-700-H, len: 15
[0002.097] I> config: mem-type:00,power-config:00,misc-config:00,modem-config:00,touch-config:00,display-config:00,, len: 93
[0002.108] I> sdmmc bdev is already initialized
[0002.112] I> sdmmc-3 params source = boot args
[0002.143] I> Found 17 partitions in SDMMC_BOOT (instance 3)
[0002.155] I> Found 42 partitions in SDMMC_USER (instance 3)
[0002.164] I> enabling 'vdd-hdmi-5v0' regulator
[0002.169] I> regulator 'vdd-hdmi-5v0' already enabled
[0002.170] E> tegrabl_display_init_regulator: hdmi cable is not connected
[0002.170] E> tegrabl_display_get_pdata, failed to parse dtb settings
[0002.174] E> invalid display type
[0002.178] E> invalid display type
[0002.179] E> cannot find any other nvdisp nodes
[0002.180] E> no valid display unit config found in dtb
[0002.181] W> display init failed
[0002.181] I> Load in CBoot Boot Options partition and parse it
[0002.192] E> Error -9 when finding node with path /boot-configuration
[0002.193] E> tegrabl_cbo_parse_info: "boot-configuration" not found in CBO file.
[0002.200] I> Hit any key to stop autoboot: 4 3 2 1
[0004.208] initializing target
[0004.208] calling apps_init()
[0004.209] starting app kernel_boot_app
[0004.228] I> found decompressor handler: lz4-legacy
[0004.229] I> decompressing BMP blob ...
[0004.233] I> Kernel type = Normal
[0004.233] I> Loading kernel-bootctrl from partition
[0004.233] I> Loading partition kernel-bootctrl at 0xa42b0000 from device(0x1)
[0004.240] W> tegrabl_get_kernel_bootctrl: magic number(0x00000000) is invalid
[0004.240] W> tegrabl_get_kernel_bootctrl: use default dummy boot control data
[0004.241] I> ########## SD boot ##########
[0004.245] I> No sdcard
[0004.247] I> -0 params source =
[0004.250] E> Blockdev open: exit error
[0004.253] E> SD boot failed, err: 724238353
[0004.257] I> ########## USB boot ##########
[0004.266] W> No valid slot number is found in scratch register
[0004.267] W> Return default slot: _a
[0004.283] I> USB Firmware Version: 60.06 release
[0004.338] I> regulator of usb2-0 already enabled
[0004.345] I> regulator of usb2-1 already enabled
[0004.352] I> regulator of usb2-2 already enabled
[0004.361] I> enabling 'vdd-5v-sata' regulator
[0005.365] E> failed to initialize xhci controller
[0005.366] E> Error in init of XUSB host driver, err: 79790026
[0005.366] E> Failed to initialize device 5-0
[0005.367] E> USB boot failed, err: 2037973030
[0005.367] I> ########## Fixed storage boot ##########
[0005.367] I> Already published: 00010003
[0005.368] I> Look for boot partition
[0005.371] I> Fallback: assuming 0th partition is boot partition
[0005.377] I> Detect filesystem
[0005.404] I> Loading extlinux.conf ...
[0005.404] I> rootfs path: /sdmmc_user/boot/extlinux/extlinux.conf
[0005.447] I> L4T boot options
[0005.447] I> [1]: "primary kernel"
[0005.448] I> Enter choice:
[0008.449] I> Continuing with default option: 1
[0008.449] I> Loading kernel sig file from rootfs ...
[0008.449] I> rootfs path: /sdmmc_user/boot/Image.sig
[0008.468] I> Loading kernel binary from rootfs ...
[0008.468] I> rootfs path: /sdmmc_user/boot/Image
[0008.708] I> Validate kernel ...
[0008.708] I> T19x: Authenticate kernel (bin_type: 37), max size 0x5000000
[0009.030] I> No kernel-dtb binary path
[0009.031] W> No valid slot number is found in scratch register
[0009.031] W> Return default slot: _a
[0009.032] I> A/B: bin_type (38) slot 0
[0009.032] I> Loading kernel-dtb from partition
[0009.032] I> Loading partition kernel-dtb at 0x91000000 from device(0x1)
[0009.041] I> Validate kernel-dtb ...
[0009.041] I> T19x: Authenticate kernel-dtb (bin_type: 38), max size 0x400000
[0009.046] I> Loading ramdisk from rootfs ...
[0009.047] I> rootfs path: /sdmmc_user/boot/initrd
[0009.099] I> Kernel hdr @0xa42b0000
[0009.100] I> Kernel dtb @0x90000000
[0009.100] I> decompressor handler not found
[0009.100] I> Copying kernel image (34330640 bytes) from 0xa42b0000 to 0x80080000 ... [0009.106] I> Done
[0009.107] I> Updated bpmp info to DTB
[0009.108] I> Ramdisk: Base: 0x92000000; Size: 0x54ecaf
[0009.108] I> Updated initrd info to DTB
[0009.108] W> WARN: Fail to override "console=none" in commandline
[0009.112] E> tegrabl_linuxboot_add_disp_param, du 0 failed to get display params
[0009.120] E> tegrabl_linuxboot_add_disp_param, du 0 failed to get display params
[0009.127] E> tegrabl_linuxboot_add_disp_param, du 0 failed to get display params
[0009.134] W> No valid slot number is found in scratch register
[0009.140] W> Return default slot: _a
[0009.143] I> Active slot suffix:
[0009.147] I> add_boot_slot_suffix: slot_suffix =
[0009.151] I> Linux Cmdline: console=ttyTCU0,115200 video=tegrafb no_console_suspend=1 earlycon=tegra_comb_uart,mmio32,0x0c168000 gpt usbcore.old_scheme_first=1 tegraid=19.1.2.0.0 maxcpus=8 boot.slot_suffix= boot.ratchetvalues=0.4.2 vpr_resize sdhci_tegra.en_boot_part_access=1
[0009.176] I> Updated bootarg info to DTB
[0009.179] W> MAC addr invalid!
[0009.182] E> Failed to get WIFI MAC address
[0009.186] W> MAC addr invalid!
[0009.189] E> Failed to get Bluetooth MAC address
[0009.194] I> eeprom_get_mac_addr: MAC (type: 2): 00:04:4b:cc:25:d2
[0009.200] W> "plugin-manager" doesn't exist, creating
[0009.205] I> Adding /chosen/plugin-manager/cvm
[0009.209] W> "chip-id" doesn't exist, creating
[0009.213] I> Adding /chosen/plugin-manager/chip-id
[0009.218] W> "configs" doesn't exist, creating
[0009.222] I> Adding /chosen/plugin-manager/configs
[0009.227] W> "ids" doesn't exist, creating
[0009.231] I> Adding /chosen/plugin-manager/ids
[0009.235] W> "odm-data" doesn't exist, creating
[0009.239] I> Adding /chosen/plugin-manager/odm-data
[0009.247] W> "memory" doesn't exist, creating
[0009.249] I> [0] START: 0x80000000, END: 0xac000000
[0009.253] I> [1] START: 0xac004000, END: 0xf09d0000
[0009.258] I> [2] START: 0xf09dc000, END: 0xf09e0000
[0009.262] I> dram_block larger than 80000000
[0009.266] I> [3] START: 0x100000000, END: 0x480000000
[0009.271] I> added [base:0x80000000, size:0x2c000000] to /memory
[0009.277] I> added [base:0xac200000, size:0x44600000] to /memory
[0009.283] I> added [base:0x100000000, size:0x380000000] to /memory
[0009.290] I> Updated memory info to DTB
[0009.293] E> add_disp_param: failed to get display params for du=0
[0009.299] W> "reset" doesn't exist, creating
[0009.304] I> NVG: Logical CPU: 0; MPIDR: 0x80000000
[0009.308] I> NVG: Logical CPU: 1; MPIDR: 0x80000001
[0009.312] I> NVG: Logical CPU: 2; MPIDR: 0x80000100
[0009.317] I> NVG: Logical CPU: 3; MPIDR: 0x80000101
[0009.322] I> NVG: Logical CPU: 4; MPIDR: 0x80000200
[0009.327] I> NVG: Logical CPU: 5; MPIDR: 0x80000201
[0009.331] I> NVG: Logical CPU: 6; MPIDR: 0x80000300
[0009.336] I> NVG: Logical CPU: 7; MPIDR: 0x80000301
[0009.342] W> "misc-data" doesn't exist, creating
[0009.345] I> Boot-device: eMMC
[0009.348] I> Add boot-sdmmc to plugin-manager/misc-data
[0009.353] I> Add storage-sdmmc to plugin-manager/misc-data
[0009.359] W> Unknown storage device
[0009.362] I> Add serial number:0421219065425 as DT property
[0009.369] I> Plugin-manager override starting
[0009.372] I> node /plugin-manager/fragement-tegra-wdt-en matches
[0009.379] I> node /plugin-manager/fragement-soft-wdt matches
[0009.387] I> node /plugin-manager/fragment-pcie-c5-rp matches
[0009.391] I> node /plugin-manager/fragment-tegra-ufs-lane10 matches
[0009.403] I> Disable plugin-manager status in FDT
[0009.403] I> Plugin-manager override finished successfully
[0009.405] I> tegrabl_load_kernel_and_dtb: Done
[0009.409] E> tegrabl_display_clear: display is not initialized
[0009.414] W> Boot logo display failed...
[0009.418] I> Kernel EP: 0x80080000, DTB: 0x90000000
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.9.140-tegra (buildbrain@mobile-u64-3357) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05) ) #1 SMP PREEMPT Thu Jun 25 21:22:12 PDT 2020
[ 0.000000] Boot CPU: AArch64 Processor [4e0f0040]
[ 0.000000] OF: fdt:memory scan node memory, reg size 48,
[ 0.000000] OF: fdt: - 80000000 , 2c000000
[ 0.000000] OF: fdt: - ac200000 , 44600000
[ 0.000000] OF: fdt: - 100000000 , 380000000
[ 0.000000] earlycon: tegra_comb_uart0 at MMIO32 0x000000000c168000 (options '')
[ 0.000000] bootconsole [tegra_comb_uart0] enabled
[ 6.179201] cgroup: cgroup2: unknown option "nsdelegate"
[ 7.321425] using random self ethernet address
[ 7.321548] using random host ethernet address
[ 7.581522] random: crng init done
[ 7.581628] random: 7 urandom warning(s) missed due to ratelimiting
[ 7.796337] using random self ethernet address
[ 7.796453] using random host ethernet address
[ 8.292951] CPU4: shutdown
[ 8.420065] CPU5: shutdown
[ 8.509127] CPU6: shutdown
[ 8.579813] CPU7: shutdown
Ubuntu 18.04.4 LTS linux ttyTCU0