GstNvArgusCameraSrc Segmentation Fault on Camera Disconnection

Autonomous Machines Jetson & Embedded Systems Jetson AGX Xavier
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#1

The GstNvArgusCameraSrc element fails with a segmentation fault from when a camera is disconnected (Jetpack 4.6). The segmentation fault is triggered only sometimes.

A camera could be disconnected for different reasons, and being able to catch an error instead of making the app crash is desirable.

I’m running the following pipeline:

nvarguscamerasrc sensor-id=0 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=1 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=2 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=3 ! "video/x-raw(memory:NVMM),width=1640,height=1232,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=4 ! "video/x-raw(memory:NVMM),width=1640,height=1232,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=5 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=6 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink         nvarguscamerasrc sensor-id=7 ! "video/x-raw(memory:NVMM),width=640,height=480,framerate=15/1" ! fakesink

And simulate a serializer disconnection with:

i2ctransfer -f -y 9 w2@0x40 0x0E 0x00
i2ctransfer -f -y 9 w2@0x40 0x0D 0x00

Then argus throws errors and a segfault:

(Argus) Error FileOperationFailed: Failed socket read: Connection reset by peer (in src/rpc/socket/common/SocketUtils.cpp, function readSocket(), line 79)
(Argus) Error FileOperationFailed: Unexpected error in reading socket (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 266)
(Argus) Error FileOperationFailed: 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 FileOperationFailed: Receiving thread terminated with error (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadWrapper(), line 368)
(Argus) Error FileOperationFailed: Client thread received an error from socket (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 145)
(Argus) Error FileOperationFailed:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
CONSUMER: Done Success
CONSUMER: ERROR OCCURRED
ERROR: from element /GstPipeline:pipeline0/GstNvArgusCameraSrc:nvarguscamerasrc0: DISCONNECTED
Additional debug info:
Argus Error Status
Execution ended after 0:00:08.430645492
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
CONSUMER: ERROR OCCURRED
CONSUMER: ERROR OCCURRED
CONSUMER: ERROR OCCURRED
CONSUMER: ERROR OCCURRED
CONSUMER: ERROR OCCURRED
CONSUMER: ERROR OCCURRED
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
STOPPING: cancel requests done
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
STOPPING: wait for idle
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
GST_ARGUS: Cleaning up
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
GST_ARGUS: Error
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
GST_ARGUS: Cleaning up
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
GST_ARGUS: Done Success
(Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
(Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
Caught SIGSEGV
#0  0x0000007f84ad7d5c in __waitpid (pid=<optimized out>, stat_loc=0x7fe94a2854, options=<optimized out>) at ../sysdeps/unix/sysv/linux/waitpid.c:30
#1  0x0000007f84b132e0 in g_on_error_stack_trace ()
#2  0x000000559029fc3c in  ()
#3  0x0000007f8428a000 in  ()

I would like to know what to do in this case, or if there’s a patched binary that could help with the problem.

#3

hello alejandro.solis,

this is an expected error message. it’s Argus error resiliency feature.

since you have camera disconnected, it trigger timeout failures and eventually shutdown the camera application. this Caught SIGSEGV failure is reported by camera stack, and it was shutting down the app gracefully. this prevents system hang, or other unknown failures.

please have a try,
you should connect the camera back and restart the camera daemon to make camera use-case works again.

#5

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