JetPack4.5.1とJetPack4.6を行き来しているうちに、Jetson NX XavierがCSIカメラのクリティカルエラーで落ちるようになる

エラー内容

gst-launch-1.0 nvarguscamerasrc sensor-id=0 ! nvoverlaysink

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:645 No cameras available

(gst-launch-1.0:21557): GStreamer-CRITICAL **: 20:55:08.910: gst_mini_object_set_qdata: assertion 'object != NULL' failed
Got EOS from element "pipeline0".
Execution ended after 0:00:00.031217692
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...
(Argus) Error EndOfFile: Unexpected error in reading socket (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 266)
(Argus) Error EndOfFile: Receive worker failure, notifying 1 waiting threads (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 340)
(Argus) Error InvalidState: Argus client is exiting with 1 outstanding client threads (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 357)
(Argus) Error EndOfFile: Receiving thread terminated with error (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadWrapper(), line 368)
(Argus) Error EndOfFile: Client thread received an error from socket (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 145)
(Argus) Error EndOfFile:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 87)

nvgstcapture

...

bitrate = 4000000
Encoder Profile = High
Encoder control-rate = 1
Encoder EnableTwopassCBR = 0
Opening in BLOCKING MODE
Opening in BLOCKING MODE 
** Message: 20:57:13.753: <main:4670> iterating capture loop ....
NvMMLiteOpen : Block : BlockType = 4 
===== NVMEDIA: NVENC =====
NvMMLiteBlockCreate : Block : BlockType = 4 
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:645 No cameras available

(nvgstcapture:21803): GStreamer-CRITICAL **: 20:57:13.791: gst_mini_object_set_qdata: assertion 'object != NULL' failed

原因

Jetson NX XavierをJetPack4.6を焼いたSDカードから起動すると、bootromのUpdateがおこなわれる。その状態で、JetPack4.5.1のSDカードを起動すると、カメラ周りが起動しなくなる場合がある。

Jetson Xavier NXでは、JetPack 4.6をインストール後 Bootromの更新が行われる。

復活方法

SDKManagerからJetPack 4.5.1をインストールする事で復活する。