创维9R20 不开机

孤狼

打印信息如下

Starting kernel ...

Reset ethernet/disable interrupt/flush cache...

[    0.208185] Unable to handle kernel paging request at virtual address ba901088

[    0.215649] pgd = c0104000

[    0.218439] [ba901088] *pgd=00000000[7791677]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

[8714299]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

[8714073]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

[8714085]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

[8714330]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

[8714101]: POV: Wait system to STOP Power on Video!(bVideoDone 2)

这种信息测得供电供电都正常，升级升不成功，写完引导，故障依旧。于是更换主芯片，升级主程序，开机正常。