运行/mpp/ko ./load3520a -i 驱动出现错误

根据文档的步骤，没有任何修改，运行/mpp/ko ./load3520a -i 命令，
出现下面错误
load vdec.ko ....OK
load vhd firmware.ko OK
Load hi_jpegdec.ko success.        (SDK_VERSION:[SDK_VERSION] Build Time:[Jun  8 2016, 17:10:40])
Load hi_tde.ko success.                (SDK_VERSION:[SDK_VERSION] Build Time:[Jun  8 2016, 17:10:26])
load region.ko ....OK!
load vgs.ko for Hi3521A...OK!
load viu.ko ...OK!
load vpss.ko ....OK!
load vou.ko ....OK!
load hdmi.ko ....OK!
load rc.ko for Hi3521A...OK!
load venc.ko for Hi3521A...OK!
load chnl.ko for Hi3521A...OK!
load h264e.ko for Hi3521A...OK!
load jpege.ko for Hi3521A...OK!
load vda.ko ....OK!
load ive.ko ... OK!
NVP6124&NVP6114A Test Driver 2015.7.28
nvp6124/6114a Device (0x60) ID OK... 84
nvp6124/6114a Device (0x60) REV ... 0
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

nvp6124/6114a Device ID Error... ff
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

nvp6124/6114a Device ID Error... ff
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

nvp6124/6114a Device ID Error... ff
NVP6124 Count = 1
~~~~~~~~~~~~~~~~20150227-2 nvp6124_system_init~~~~~~~~~~~~~~~~
nvp6124_outport_1mux_chseq
ch 0 setted to 720P PAL
ACP DATA READ TEST!!!!CH0  RESOL = 720P
ch 1 setted to 720P PAL
ACP DATA READ TEST!!!!CH1  RESOL = 720P
ch 2 setted to 720P PAL
ACP DATA READ TEST!!!!CH2  RESOL = 720P
ch 3 setted to 720P PAL
ACP DATA READ TEST!!!!CH3  RESOL = 720P
nvp6124_set_portmode portsel 2 portmode 6 setting
nvp6124_set_portmode portsel 3 portmode 6 setting
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

nvp6124_set_portmode portsel 2 portmode 6 setting
hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

hi_i2c_wait_txfifo_notfull->284:
transmit error, int_raw_status: 0x750!

hi_i2c_wait_txfifo_notfull->286:
tx_abrt_cause is 1.

nvp6124_set_portmode portsel 3 portmode 6 setting
nvp6124 audio init,REC:MASTER,PB:SLAVE
insert audio
好像是I2C出现问题，不知道如何解决，求助。