海康威视监控头变砖TTL能跑吗不能输入

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System startup

Uncompress Ok!

U-Boot 2016.11-svn1097169 (Jan 06 2021 - 18:17:48 +0800), Build: jenkins-Fronten                                                   d.BSP.CCI.devCloud-2551

Relocation Offset is: 0774d000
Relocating to 47f4d000, new gd at 46f2cef0, sp at 46f2ced0
SPI Nand ID Table Version 2.7
SPI Nand(cs 0) ID: 0xc2 0x14 0x3 Name:"MX35LF1G24AD"
Block:128KB Page:2KB OOB:128B ECC:24bit/1K
Chipsize:128 MiB
In:    serial
Out:   serial
Err:   serial
Net:   eth0
DDR: 128MB
[Uboot] In release mode!
Hit Ctrl+u to stop autoboot:  0
Hisilicon ETH net controler
eth0 : phy status change : LINK=UP : DUPLEX=FULL : SPEED=100M
|NUL ethaddr| error: auto upgrade.(error!!)
TFTP server auto connect disabled

booting from pri part...
Load kernel to 0x43000000 ...
<sbal_wb_aes_update>...decrypt
<sbal_wb_aes_update>...decrypt
<sbal_seboot>body_total_len=3729952
<sbal_seboot>verify success ##successful to load enc_uImage##
## Booting kernel from Legacy Image at 43000000 ...
   Image Name:   Linux-4.9.37
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    3729885 Bytes = 3.6 MiB
   Load Address: 40008000
   Entry Point:  40008000
   Loading Kernel Image ... OK

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
starting pid 65, tty '': '/etc/init.d/rcS'
Starting udev:      [ OK ]
create static device nodes under /dev dir
>>>run pre_app_hook
ubiattach -m 8 -d 1 /dev/ubi_ctrl failed!
libmtd: error!: cannot open "/dev/mtd8"
        error 2 (No such file or directory)
libmtd: MTD subsystem is old and does not support sysfs, so MTD character device                                                    nodes have to exist
libmtd: error!: "/dev/mtd8" is not a character device
ubiformat: error!: cannot get information about "/dev/mtd8"
           error 22 (Invalid argument)
ubiattach -m 8 -d 1 /dev/ubi_ctrl failed!
nand_readpen
nand_readpen
Read system flags failed.
set_part_flag:read_sys_flags failed.
nand_writepen
write pri sys firm info failed.
nand_writepen
write backup sys firm info failed.
write both pri and backup sys firm info failed.
mount app pri partition error!reboot...
starting pid 133, tty '': '-/bin/psh'
BusyBox v2.0.0-621376 Protect Shell (psh)
Enter 'help' for a list of davinci system commands.

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ysy***

太专业，帮顶。

群***

ysyysy 发表于 2022-9-4 07:08
太专业，帮顶。

依葫芦画瓢，不懂特来求助大神，谢谢兄弟

dand***

上电狂按Ctrl+u

tangyu***

开机后按CTRL+U  然后输入update
就可以了