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TDA4VEN-Q1: The problem of vxVerifyGraph freezing

enrui zhang
Prodigy 240 points

Part Number: TDA4VEN-Q1

Hello 
I'm running into an issue. I'm running two apps. One app loads an offline UYVY format image (1920x1536), then uses a scaler node to resize it (576x384), followed by preprocessing (UYVY to RGB tensor), and then sends it to the TIDL node for inference, finally doing post-processing. This app runs continuously without issues.  

The second app gets its image data from cameras, with the same resolution and format as the first. If I try to execute the whole process, it freezes at the `vxVerifyGraph` function. If I comment out the TIDL node and post-processing node, it runs fine. We've confirmed that the freeze is caused by the TIDL node, but I don't know why. Could you help me analyze it? For example, could it be due to shared memory or insufficient C7X memory?

image.pngimage.png

  • 0
    TI__Mastermind 24520 points

    Hi Zhang,

    Could you share your application logs, 

    Is your memory map changed ?

    Also enable remote core logs and then run the application.

    Run "source ./vision_apps_init.sh" to enable remote core logs.

    After enabling the remote core logs, send the remote core init logs and run the application and share the logs.

    Regards,
    Gokul

  • 0 in reply to Gokul S
    Prodigy 240 points

    Hi

    I changed the shared memory size to 512M, below is the app's log

    Fullscreen 36557.log.txt Download 
    root@spartan_a:/data/app_online# ./test_algo.out right
APP: Init ... !!!
   110.464260 s: MEM: Init ... !!!
   110.464370 s: MEM: Initialized DMA HEAP (fd=5) !!!
   110.464576 s: MEM: Init ... Done !!!
   110.464597 s: IPC: Init ... !!!
   110.477285 s: IPC: Init ... Done !!!
REMOTE_SERVICE: Init ... !!!
REMOTE_SERVICE: Init ... Done !!!
   110.488650 s: GTC Frequency = 200 MHz
APP: Init ... Done !!!
   110.488959 s:  VX_ZONE_INFO: Globally Enabled VX_ZONE_ERROR
   110.489048 s:  VX_ZONE_INFO: Globally Enabled VX_ZONE_WARNING
   110.489087 s:  VX_ZONE_INFO: Globally Enabled VX_ZONE_INFO
   110.490295 s:  VX_ZONE_INFO: [tivxPlatformCreateTargetId:169] Added target MPU-0
   110.490664 s:  VX_ZONE_INFO: [tivxPlatformCreateTargetId:169] Added target MPU-1
   110.491046 s:  VX_ZONE_INFO: [tivxPlatformCreateTargetId:169] Added target MPU-2
   110.491446 s:  VX_ZONE_INFO: [tivxPlatformCreateTargetId:169] Added target MPU-3
   110.491511 s:  VX_ZONE_INFO: [tivxInitLocal:202] Initialization Done !!!
   110.491536 s:  VX_ZONE_INFO: Globally Disabled VX_ZONE_INFO
set the default view as stitched !
gst cmdline of channel 0: appsrc format=GST_FORMAT_TIME is-live=true do-timestamp=true block=false name=vxsrc ! capsfilter name=filter caps=video/x-raw,width=(int)1280,height=(int)720,framerate=(fraction)30/1,format=(string)UYVY,interlace-mode=(string)progressive,colorimetry=(string)bt601 ! queue name=qe ! v4l2h264enc name=ence extra-controls=enc,prepend_sps_and_pps_to_idr=1,video_bitrate_mode=0,video_gop_size=5,frame_level_rate_control_enable=1,video_bitrate=10000000 ! rtph264pay name=paye ! udpsink name=sink host=172.168.100.214 port=5557
view_display_front.c[195](info): Query successed and primary is alive
dirt_algo.c[151](info): TIDL Init Done!

dirt_algo.c[157](info): Pre Proc Update Done!

dirt_algo.c[179](info): Pre Proc Init Done!

dirt_algo.c[184](info): Post Proc Update Done!

dirt_algo.c[189](info): Post Proc Init Done!

dirt_algo.c[219](info): 1111111111111111111111

dirt_algo.c[232](info): 4444444444444444444444444

   113.218299 s:  VX_ZONE_ERROR: [ownContextSendCmd:1001] Command ack message returned failure cmd_status: -1
   113.218355 s:  VX_ZONE_ERROR: [ownNodeKernelInit:704] Target kernel, TIVX_CMD_NODE_CREATE failed for node tidl_node
   113.218376 s:  VX_ZONE_ERROR: [ownNodeKernelInit:705] Please be sure the target callbacks have been registered for this core
   113.218389 s:  VX_ZONE_ERROR: [ownNodeKernelInit:706] If the target callbacks have been registered, please ensure no errors are occurring within the create callback of this kernel
   113.218411 s:  VX_ZONE_ERROR: [ownGraphNodeKernelInit:793] kernel init for node 2, kernel com.ti.tidl:1:1 ... failed !!!
   113.218469 s:  VX_ZONE_ERROR: [ graph_286 ] Node kernel init failed
   113.218484 s:  VX_ZONE_ERROR: [ graph_286 ] Graph verify failed
dirt_algo.c[244](error): failed to vxVerifyGraph!
dirt_algo.c[247](info): 5555555555555555555555555

   113.219327 s:  VX_ZONE_ERROR: [tivxNodeSendCommandTimed:346] vxVerifyGraph should be called before tivxNodeSendCommand can be called on a node in the same graph
dirt_algo.c[252](info): dirt_algo: initialized
dirt_algo.c[271](info): dirt_algo: registered mailbox at index 0
dirt_algo.c[271](info): dirt_algo: registered mailbox at index 1
Starting pipeline run (blocking)...
Starting pipeline run (blocking)...
Segmentation fault (core dumped)
    ,I used the offline app to load the UYVY image, and then using the same TIDL node, there was no error.

  • 0 in reply to enrui zhang
    TI__Mastermind 24520 points

    Hi Zhang,

    Could you share the remote core logs.

    Gokul S said:

    Also enable remote core logs and then run the application.

    Run "source ./vision_apps_init.sh" to enable remote core logs.

    After enabling the remote core logs, send the remote core init logs and run the application and share the logs.

    https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/11_01_00_04/exports/docs/vision_apps/docs/user_guide/group_apps_utilities_app_remote_log.html

    Regards,
    Gokul