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arv_camera_acquisition ARV_IS_BUFFER Failed #853

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zibai4991 opened this issue Dec 7, 2023 · 11 comments
Open

arv_camera_acquisition ARV_IS_BUFFER Failed #853

zibai4991 opened this issue Dec 7, 2023 · 11 comments
Labels
1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation

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@zibai4991
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zibai4991 commented Dec 7, 2023 •
edited by EmmanuelP
Loading

Describe the bug
when I loop to call the arv_camera_acquisition function，sometimes it succeeds and sometimes it report an failed.

** Code **

    GError *pErr = nullptr;
    if (!ARV_IS_CAMERA(m_pCamera))
    {
        printf(" %s::%d , arv_camera_new\n", __func__, __LINE__);
        m_pCamera = arv_camera_new(m_sDevID.c_str(), &pErr);
        if (pErr)
        {
	     printError(pErr);
            destroyGError(pErr);
            return false;
        }
    }

	printf(" %s::%d , start arv_camera_acquisition\n", __func__, __LINE__);
	m_pBuffer = arv_camera_acquisition(m_pCamera, 5000000, &pErr);
	printf(" %s::%d , end arv_camera_acquisition\n", __func__, __LINE__);

	if (pErr)
       {
           printError(pErr);
           destroyGError(pErr);
          return false;
       }

	if(!ARV_IS_BUFFER(m_pBuffer))
	{
		printf(" %s::%d , ARV_IS_BUFFER Failed\n", __func__, __LINE__);
		return false;
	}

Expected behavior
grabImage::707 , arv_camera_new
grabImage::717 , start arv_camera_acquisition
grabImage::719 , end arv_camera_acquisition
grabImage::730 , ARV_IS_BUFFER Failed
grabImage::717 , start arv_camera_acquisition
grabImage::719 , end arv_camera_acquisition

** (process:11292): CRITICAL **: 16:15:31.409: arv_buffer_get_image_region: assertion 'arv_buffer_payload_type_has_aoi (buffer->priv->payload_type)' failed

** (process:11292): CRITICAL **: 16:15:31.409: arv_buffer_get_image_pixel_format: assertion 'arv_buffer_payload_type_has_aoi (buffer->priv->payload_type)' failed

Camera description:

  • Manufacturer: HIKROBOT
  • Model: GEV-MV-CS050-10GC-PRO
  • Interface: Gige

Platform description:

  • Aravis version: 0.8.22
  • OS: Ubuntu20.04
  • Hardware: x86_64
@EmmanuelP
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Rerun your sample code with ARV_DEBUG=all and attach the console output here.

@EmmanuelP EmmanuelP added the 2. Needs informations Needs additional informations label Dec 7, 2023
@zibai4991
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zibai4991 commented Dec 8, 2023 •
edited
Loading

Hello EmmanuelP

thank you very much for your reply.

As your proposal，I have added the following code to my sample :
arv_debug_enable("all");
When I rerun my sample, the following error is show

openCamera::56 , Open Camera ......
 openCamera::63 , arv_camera_new
[14:54:09.444] 🅸 interface> Found 0 USB3Vision device (among 0 USB device)
[14:54:09.444] 🅸 device> [GvDevice::new] Interface address = 192.168.1.1
[14:54:09.444] 🅸 device> [GvDevice::new] Device address = 192.168.1.121
[14:54:09.945] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:09.945] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.445] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.445] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.946] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:10.946] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.446] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.446] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.947] 🆆 device> [GvDevice::read_memory] Ack reception timeout
[14:54:11.947] 🆆 device> [GvDevice::read_memory] Ack reception timeout
 openCamera::67 , Open Camera failed
Error msg-> domain: 5, code: 110, msg: GigEVision read_memory timeout

I tried the basler camera again, and it was the same.

@EmmanuelP
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Do you have a firewall ? Multiple network interfaces ?

@zibai4991
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The camera and host are connected using a switch , and the host have multiple network interfaces. I seem to have solved the GigEVision read_memory timeout.

Then, I rerun my sample to reproduce the initial problem.
After taking about 1000 successful photos, taking photos again failed. Some information is as follows:

[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3395
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3396
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3397
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3398
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3399
                     data_size    =     1464
[17:05:07.004] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.004] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3400
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3401
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3402
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3403
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3404
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3405
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3406
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3407
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3408
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3409
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3410
                     data_size    =     1464
[17:05:07.005] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.005] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3411
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3412
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3413
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3414
                     data_size    =     1464
[17:05:07.006] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.006] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3415
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3416
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3417
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3418
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3419
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3420
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3421
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3422
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3423
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3424
                     data_size    =     1464
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-block (0x0003)
                     frame_id     =     1985
                     packet_id    =     3425
                     data_size    =      768
[17:05:07.007] 🅸 stream-thread> [GvStream::find_frame_data] Discard late frame 1985 (last: 18373842054758336521)
[17:05:07.007] 🅸 sp> packet_type  =       ok (0x0000)
                     content_type = data-trailer (0x0002)
                     frame_id     =     1985
                     packet_id    =     3426
                     data_size    =       10
[17:05:11.697] 🅸 stream>     bins    ;frame_retent; packet_time;inter_packet
                                    0;           0;           0;           0
                         -------------
                         >=      2000;           0;           0;           0
                         <          0;           0;           0;           0
                         min         :         n/a;         n/a;         n/a
                         max         :         n/a;         n/a;         n/a
                         last max at :           0;           0;           0
                         counter     :           0:           0:           0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_completed_buffers    = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_failures             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_underruns            = 8
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_timeouts             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_aborteds             = 0
[17:05:11.697] 🅸 stream> [GvStream::finalize] n_missing_frames       = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_size_mismatch_errors = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_received_packets     = 3435
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_missing_packets      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_error_packets        = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_ignored_packets      = 3435
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_requests      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resent_packets       = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_ratio_reached = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_resend_disabled      = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_duplicated_packets   = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_transferred_bytes    = 0
[17:05:11.698] 🅸 stream> [GvStream::finalize] n_ignored_bytes        = 5043233
[17:05:11.698] 🅸 stream> [Stream::finalize] Flush 1 buffer[s] in input queue
[17:05:11.698] 🅸 stream> [Stream::finalize] Flush 0 buffer[s] in output queue
 grabImage::719 , end arv_camera_acquisition
 grabImage::730 , ARV_IS_BUFFER Failed

@EmmanuelP
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(last: 18373842054758336521) is worrying, may be a corrupted packet.

@EmmanuelP EmmanuelP added 1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation and removed 2. Needs informations Needs additional informations labels Dec 8, 2023
@EmmanuelP
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Does this happen every time ? It would help if you could capture the network traffic when the problem occurs, using wireshark.

@zibai4991
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Sorry, I replied to you today because I wasn't working a few days ago.

I always restart the host and camera to test , When taking about 1800~1900 photos, this phenomenon is bound to occur.

I will try packet capture testing and get back to you later.

@zibai4991
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zibai4991 commented Dec 12, 2023 •
edited
Loading

I used tcpdump to capture the network packets when the bug show.

sudo tcpdump -i eth0 src host 192.168.1.122

camera ip: 192.168.1.122
image format: BayerRG8
image size: 2448×2048

The packets message as following :

12:34:41.366082 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.367947 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.369034 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.370080 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.371163 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.372203 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.373250 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.374132 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.375228 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.376086 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.376946 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.377849 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.378928 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.379981 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.381028 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.382061 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.383100 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.384152 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.385289 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.386419 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.387406 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.388314 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.389215 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.390070 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.391108 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.392011 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.392916 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.393822 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.394719 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.395632 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.396531 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.397381 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.398229 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.399131 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.399986 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.400887 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.401737 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.402592 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.403496 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.404409 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.405489 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.406400 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.407308 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.408204 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
12:34:41.409108 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
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.....
12:34:41.982369 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
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12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982699 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982817 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982818 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982919 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.982920 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983019 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983020 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983113 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 776
12:34:41.983114 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 18
12:34:42.778907 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:43.780797 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:44.782677 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:45.784569 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.494337 ARP, Reply 192.168.1.122 is-at 34:bd:20:00:dd:c5 (oui Unknown), length 46
12:34:46.786461 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.923867 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.924995 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.992373 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.993502 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
12:34:46.994330 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12

@zibai4991
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The detailed information of some packages is as follows：

12:34:41.366082 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d520 4000 ff11 2078 c0a8 017a  E..([email protected]
	0x0010:  c0a8 0161 0f74 ab90 0214 7fa7 0000 0085  ...a.t..........
	0x0020:  0204 ff15 0000 0200 4c6f 6361 6c3a 4769  ........Local:Gi
	0x0030:  6745 5f56 6973 696f 6e5f 315f 5633 5f34  gE_Vision_1_V3_4
	0x0040:  5f35 342e 7a69 703b 3130 3030 3030 3b31  _54.zip;100000;1
	0x0050:  3639 6632 0000 0000 0000 0000 0000 0000  69f2............
	0x0060:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0070:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0080:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0090:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00a0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00b0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00c0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00d0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00e0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x00f0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0100:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0110:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0120:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0130:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0140:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0150:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0160:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0170:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0180:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0190:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01a0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01b0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01c0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01d0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01e0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x01f0:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0200:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0210:  0000 0000 0000 0000 0000 0000 0000 0000  ................
	0x0220:  0000 0000 0000 0000                      ........
12:34:41.367947 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d521 4000 ff11 2077 c0a8 017a  E..([email protected]
	0x0010:  c0a8 0161 0f74 ab90 0214 c83b 0000 0085  ...a.t.....;....
	0x0020:  0204 ff16 0010 0000 504b 0304 1400 0000  ........PK......
	0x0030:  0800 1059 9b53 3568 951d 2a69 0100 6ee1  ...Y.S5h..*i..n.
	0x0040:  0f00 1900 1c00 4769 6745 5f56 6973 696f  ......GigE_Visio
	0x0050:  6e5f 315f 5633 5f34 5f35 342e 786d 6c55  n_1_V3_4_54.xmlU
	0x0060:  5409 0003 2f2e c961 2f2e c961 7578 0b00  T.../..a/..aux..
	0x0070:  0104 1f08 0000 040c 0c00 00ec bdfb 771b  ..............w.
	0x0080:  b991 28fc f3dd bfa2 afce f9b2 7236 1393  ..(.........r6..
	0x0090:  d4c3 d264 e21c 917a 6e64 4991 647b 9c5f  ...d...zndI.d{._
	0x00a0:  785b 644b ea1d 8ae4 904d dbca c9d9 bffd  x[dK.....M......
	0x00b0:  c3a3 1f00 1a8f 2a74 3729 c9f2 bd9b 1149  ......*t7).....I
	0x00c0:  5415 5055 2814 0a85 c22f 7ffb fe30 0abe  T.PU(..../...0..
	0x00d0:  46b3 793c 19ff 75ad fde7 d65a 108d 0793  F.y<..u....Z....
	0x00e0:  613c befb ebda c7eb c39f 76d6 fef6 fe3f  a<........v....?
	0x00f0:  7eb9 8cee e279 12cd f6a3 f960 164f 13d2  ~....y.....`.O..
	0x0100:  3a20 90e3 f9cf dfe7 f15f d7ee 9364 faf3  :........_...d..
	0x0110:  dbb7 dfbe 7dfb f3b7 8d3f 4f66 776f 3bad  ....}....?Ofwo;.
	0x0120:  56fb edaf 1f4e af06 f7d1 43f8 533c 9e27  V....N....C.S<.'
	0x0130:  e178 10ad 7128 09e2 2e1a c783 f081 811d  .x..q(..........
	0x0140:  45e3 bd69 fcf6 13ef 50bf dd6f a510 3f3f  E..i....P..o..??
	0x0150:  cc13 24dc 87c9 301a 9d85 0fd1 5fd7 7ae4  ..$...0....._.z.
	0x0160:  7f67 e15a f029 1a0f 2733 fedd 517c 77b0  .g.Z.)..'3..Q|w.
	0x0170:  165c 916e 0dc3 d990 7e77 350d 07f4 8783  .\.n....~w5.....
	0x0180:  4fe4 7bd6 ef0f e1ff 4c66 9f72 eee4 5fc7  O.{.....Lf.r.._.
	0x0190:  63e1 eb56 f6f5 d5e2 a6f4 4b09 83dc a243  c..V......K....C
	0x01a0:  6035 50d7 93c9 e83a 9ef2 4e06 9f62 fa43  `5P....:..N..b.C
	0x01b0:  c007 119c 8c89 1c6e 43ca cb8b d964 b818  .......nC....d..
	0x01c0:  2447 8b78 f8d7 b583 83cd eebb 83d6 ee4f  $G.x...........O
	0x01d0:  fb7b 9ddd 9f36 77b7 b67f da6b 1ff4 7eea  .{...6w....k..~.
	0x01e0:  b43b 9ded 8d8d 8d76 efb0 4739 c0a8 7090  .;.....v..G9..p.
	0x01f0:  77bb 04cd c6ee ce4f db9d 68e3 a7cd cd70  w......O..h....p
	0x0200:  fba7 9d9d cdad 9f6e 77da 6178 db6e 6d6e  .......nw.ax.nmn
	0x0210:  ec90 0e12 09ff 3c67 033c 9d0c c284 f511  ......<g.<......
	0x0220:  2c86 807f c519 d417                      ,.......
12:34:41.369034 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 524
	0x0000:  4500 0228 d522 4000 ff11 2076 c0a8 017a  E..(."@....v...z
	0x0010:  c0a8 0161 0f74 ab90 0214 108b 0000 0085  ...a.t..........
	0x0020:  0204 ff17 0010 0200 7ef8 f3f7 f970 edfd  ........~....p..
	0x0030:  7f04 c12f bd30 89ee 26b3 c780 cbe5 7232  .../.0..&.....r2
	0x0040:  49d6 0241 1e99 8858 6bd2 7e7a 1885 c962  I..A...Xk.~z...b
	0x0050:  16bd df8f bec6 83a8 3719 27b3 c9e8 97b7  ........7.'.....
	0x0060:  f9f7 4ab3 9387 f02e 3a9c cc1e c2c4 d976  ..J.....:......v
	0x0070:  6ff0 fb82 709b 0ed2 dd76 1c8e 2677 ce66  o...p....v..&w.f
	0x0080:  bdc9 6832 bb9e 85e3 f92d eb03 04f5 d562  ..h2.....-.....b
	0x0090:  1acd 2ec2 5194 24ee f19d 7ebc 76b6 39a0  ....Q.$...~.v.9.
	0x00a0:  733a 9a39 db1d cea2 df17 c400 3c92 96c4  s:.9........<...
	0x00b0:  2a24 0090 abfb 905a 8bde 6436 8b06 7474  *$.....Z..d6..tt
	0x00c0:  e6a6 fbf1 5d9c 84a3 9373 801c 407c ea4d  ....]....s..@|.M
	0x00d0:  1674 36ec 8d87 d7f1 0364 78f1 28da 1b0c  .t6......dx.(...
	0x00e0:  a2f9 dccd b1af d1d8 ad2f bdfb c5f8 b7fd  ........./......
	0x00f0:  3009 4d2d ffef 4f3f 890a 7bb3 b813 9afc  0.M-..O?..{.....
	0x0100:  f493 8a8f e9c9 7432 4b4e c347 c078 b85a  ......t2KN.G.x.Z
	0x0110:  011a 7e9c 47b3 ab48 3f9e 5fde 6633 5037  ..~.G..H?._.f3P7
	0x0120:  1da5 4966 9d97 a9d1 7a9f 2320 fa1e 0c19  ..If....z.#.....
	0x0130:  7810 8f73 e50f 0854 30e0 f8fe fccb db0c  x..s...T0.......
	0x0140:  8ae3 10d6 1724 1e11 32c5 15cf a7a3 f091  .....$..2.......
	0x0150:  f638 3515 413e 7ef1 37de 9a1a d99b 7814  .85.A>~.7.....x.
	0x0160:  278f efbb 64b1 1b8f a3d9 2f6f 852f 79ab  '...d...../o./y.
	0x0170:  9387 e964 1e0d b90e d105 e6fd e5f9 2f6f  ...d........../o
	0x0180:  cbdf 6a2d d5f5 e334 b24c 0ed6 e66a 108e  ..j-...4.L...j..
	0x0190:  21ed 8a95 ccd5 325f 069d 0dc3 f182 ac2b  !.....2_.......+
	0x01a0:  f49b d909 e1b3 bb0b cc98 bb9a 1dc6 b387  ................
	0x01b0:  6fe1 0cda fc2a 9ac5 e1e8 6cf1 7043 0560  o....*....l.pC.`
	0x01c0:  6f7b b2ef 6a41 f51e d08a a88d 8d3f dd09  o{..jA.......?..
	0x01d0:  5173 880c af0f 7a07 e3f0 6664 6f72 1d3d  Qs....z...fdor.=
	0x01e0:  10f3 ce3e 5a4c 5538 ee25 b311 959e b5d1  ...>ZLU8.%......
	0x01f0:  d534 8a86 ae01 12bd 1f73 e37c 158d c81f  .4.......s.|....
	0x0200:  1327 6b05 0824 8184 7c3f 77b5 3f8d c7bf  .'k..$..|?w.?...
	0x0210:  41bb c2da 6a3b a118 d7ac f1f5 fd6c b2b8  A...j;.......l..
	0x0220:  bb9f 2e92 d3f8 214e                      ......!N

12:34:41.793473 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e6 4000 ff11 21b2 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c031 0000 0083  ...a.t.....1....
	0x0020:  0004 ffdb 0000 0001 0707 0707 0707       ..............
12:34:41.794355 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e7 4000 ff11 21b1 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a57 0000 0081  ...a.t....zW....
	0x0020:  0004 ffdc 4000 05dc 0707 0707 0707       ....@.........
12:34:41.796154 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e8 4000 ff11 21b0 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02f 0000 0083  ...a.t...../....
	0x0020:  0004 ffdd 0000 0001 0707 0707 0707       ..............
12:34:41.797039 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5e9 4000 ff11 21af c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a55 0000 0081  ...a.t....zU....
	0x0020:  0004 ffde 4000 05dc 0707 0707 0707       ....@.........
12:34:41.797797 IP 192.168.1.122.9001 > rexroot.46847: UDP, length 1472
	0x0000:  4500 05dc 4cad 4000 ff11 a537 c0a8 017a  [email protected]
	0x0010:  c0a8 0161 2329 b6ff 05c8 0000 0000 0000  ...a#)..........
	0x0020:  0000 0000 ffff ffe9 ffe2 7ff1 bfee 5ff7  .............._.
	0x0030:  afed d7e0 6bf0 35f8 1afc 0d7e 06bf 8349  ....k.5....~...I
	0x0040:  c1b2 60d9 b07a 583d ac08 5604 2b02 1581  ..`..zX=..V.+...
	0x0050:  8ad6 456b a2a3 d147 e8b5 f44c 7a26 3d13  ..Ek...G...Lz&=.
	0x0060:  9e9f cf59 e7ba 73dd b9f8 5cfc 2e7e 173f  ...Y..s...\..~.?
	0x0070:  8b89 c5d2 62e9 b162 58b1 ac4e 5627 ab05  ....b..bX..NV'..
	0x0080:  d594 6aca 3565 9aa4 4d52 26a9 9342 49a1  ..j.5e..MR&..BI.
	0x0090:  a4c6 5263 a927 d485 ea54 752a 3a95 9d5c  ..Rc.'...Tu*:..\
	0x00a0:  4eae 2757 93bd c9c8 64e4 3272 1939 8c8a  N.'W....d.2r.9..
	0x00b0:  4645 a334 519a 28cd 9470 4a38 251c 128e  FE.4Q.(..pJ8%...
	0x00c0:  0947 84b5 c24c 6126 3093 985f cc39 e60a  .G...La&0.._.9..
	0x00d0:  7305 b994 5cca 2e65 9724 4b92 25c9 92f2  s...\..e.$K.%...
	0x00e0:  4979 a4aa 5255 a93c 549e 2a4f 9531 ca8e  Iy..RU.<T.*O.1..
	0x00f0:  6547 b2b5 d94c 6ca6 3653 9b3f cd89 e6d2  eG...Ll.6S.?....
	0x0100:  7369 b9a2 5cd1 ae7e 573f ab89 d5d2 6ae9  si..\..~W?....j.
	0x0110:  b562 5ab1 ad4e 56a7 ab45 d5b4 6ada 356d  .bZ..NV..E..j.5m
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	0x0150:  4380 21c0 10e0 0870 0438 021c 010e 0087  C.!....p.8......
	0x0160:  8055 c03c 601e 300f 9811 cc1e 660f b311  .U.<`.0.....f...
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	0x0350:  0c2d 8600 4300 2180 10c0 0860 0430 0218  .-..C.!....`.0..
	0x0360:  010c 0086 0043 8037 c00d e010 7008 3804  .....C.7....p.8.
	0x0370:  1c02 0e01 8716 438b a1d3 d0ff e869 f422  ......C......i."
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	0x0390:  6d75 b6ac 5b56 2dab 96c3 cb77 e5ad f2c0  mu..[V-....w....
	0x03a0:  7960 3cb0 1e58 0f2c 0796 03cb 81f3 c0ef  y`<..X.,........
	0x03b0:  e061 f026 7813 bc1f de19 ef1a 778d bbd0  .a.&x.......w...
	0x03c0:  5de8 2ef4 177a 0bbd 85c8 42e4 2172 10b9  ]....z....B.!r..
	0x03d0:  884a 4425 a204 5102 2881 9456 4a2b a503  .JD%..Q.(..VJ+..
	0x03e0:  d297 e95d f4b8 7a5c 3d2e 1e97 8f5d c7b8  ...]..z\=....]..
	0x03f0:  63dc 31ee 18f7 8c6d c620 6310 3188 18c4  c.1....m..c.1...
	0x0400:  0c62 0631 830e 4187 a0d5 d07c 683e 341f  .b.1..A....|h>4.
	0x0410:  9a19 cd1a 668d b350 59a8 2cd4 166a 0b35  ....f..PY.,..j.5
	0x0420:  858c 42c6 2163 90a7 c845 e434 721a 390d  ..B.!c...E.4r.9.
	0x0430:  9c90 4e48 2724 1392 09c9 84f2 4279 a12a  ..NH'$......By.*
	0x0440:  5095 a85c 542e 2a17 951d ca98 654c 32a6  P..\T.*.....eL2.
	0x0450:  1953 8cbf c649 e332 7199 b8da 5c6d ae20  .S...I.2q...\m..
	0x0460:  5710 2b88 15c4 0ae2 0571 82ae 4157 a0bd  W.+......q..AW..
	0x0470:  d048 6824 3412 1a09 8d12 4689 a352 51a9  .Hh$4.....F..RQ.
	0x0480:  a8c2 5461 aa26 5513 aa9f d559 eaba 755d  ..Ta.&U....Y..u]
	0x0490:  bab8 5d5c 2eae 1757 8bbd c5c8 62e4 3172  ..]\...W....b.1r
	0x04a0:  18b9 8c4a 4625 a304 5182 28c1 9476 4a3b  ...JF%..Q.(..vJ;
	0x04b0:  a50b d293 e95f f4b9 fa4a 7d25 be84 5f42  ....._...J}%.._B
	0x04c0:  2fa1 97c6 4be3 a5e7 d2e5 e964 74b2 3a59  /...K......dt.:Y
	0x04d0:  9d3a 4e9d a758 53ac 29d6 14eb 8a63 c527  .:N..XS.)....c.'
	0x04e0:  e285 f154 78aa 3c55 9e3c 4f1e 278f 93d1  ...Tx.<U.<O.'...
	0x04f0:  c9fe 64ff b269 d922 6c91 b65e 5b2f ad81  ..d..i."l..^[/..
	0x0500:  d6d6 6b6b b5a3 dac7 ed75 f6ac 7b56 3dab  ..kk.....u..{V=.
	0x0510:  9ec3 cf77 e7ad f3c0 79e0 3cf0 1e78 0f3c  ...w....y.<..x.<
	0x0520:  079e 03cf 81f1 c0ee 6077 b02d d800 6c00  ........`w.-..l.
	0x0530:  3600 1b00 0d80 06c0 0360 01b0 00d8 006c  6........`.....l
	0x0540:  0036 001b 801b c01b e01b f01b f81b fc1b  .6..............
	0x0550:  fe1b ff1b ff9b ffdb fffb ffeb ffe3 ffe7  ................
	0x0560:  ffe5 ffe4 7ff2 3ff9 9fea 4ff5 a7ec 53f6  ......?...O...S.
	0x0570:  29fb 94eb ca63 e527 f285 f954 7caa 3e55  )....c.'...T|.>U
	0x0580:  9f3c 4f9e 27cf 93f1 c9ee 64f7 b26d d920  .<O.'.....d..m..
	0x0590:  6c90 3648 1b24 0d92 06c9 8372 41b9 a0ca  l.6H.$.....rA...
	0x05a0:  5065 a824 5412 2a09 9512 4a89 a552 52a9  Pe.$T.*...J..RR.
	0x05b0:  a942 54a1 aa46 5523 aa87 d555 eabc 755e  .BT..FU#...U..u^
	0x05c0:  3aaf 9d41 ceb6 675b b3bb d9cb ecf3 f66f  :..A..g[.......o
	0x05d0:  fb21 fd86 7ec3 bf77 dfad efc0            .!..~..w....
12:34:41.806305 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ea 4000 ff11 21ae c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02d 0000 0083  ...a.t.....-....
	0x0020:  0004 ffdf 0000 0001 0707 0707 0707       ..............
12:34:41.807621 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5eb 4000 ff11 21ad c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 7a53 0000 0081  ...a.t....zS....
	0x0020:  0004 ffe0 4000 05dc 0707 0707 0707       ....@.........
12:34:41.809422 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ec 4000 ff11 21ac c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02b 0000 0083  ...a.t.....+....
	0x0020:  0004 ffe1 0000 0001 0707 0707 0707       ..............
12:34:41.810305 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5ed 4000 ff11 21ab c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c02d 0000 0081  ...a.t.....-....
	0x0020:  0004 ffe2 0000 0000 0707 0707 0707       ..............

12:34:41.921521 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5fc 4000 ff11 219c c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 401e 0000 0081  ...a.t....@.....
	0x0020:  0004 fff1 8000 0000 0707 0707 0707       ..............
12:34:41.922814 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d5fd 4000 ff11 219b c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c01a 0000 0083  ...a.t..........
	0x0020:  0004 fff2 0000 0001 0707 0707 0707       ..............
12:34:41.928309 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 44
	0x0000:  4500 0048 4cae 4000 ff11 aaca c0a8 017a  [email protected]
	0x0010:  c0a8 0161 2329 a41b 0034 0000 0000 07eb  ...a#)...4......
	0x0020:  0100 0000 0000 0001 0000 0049 284d 4a6e  ...........I(MJn
	0x0030:  0108 0009 0000 0990 0000 0800 0000 0000  ................
	0x0040:  0000 0000 0000 0000                      ........
12:34:41.928356 IP 192.168.1.122.9001 > rexroot.42011: UDP, length 1472
	0x0000:  4500 05dc 4caf 4000 ff11 a535 c0a8 017a  [email protected]
	0x0010:  c0a8 0161 2329 a41b 05c8 0000 0000 07eb  ...a#)..........
	0x0020:  0300 0001 3a3a 343b 3b38 383a 393c 3a39  ....::4;;88:9<:9
	0x0030:  393c 363c 383d 3541 363c 353e 3a3c 3f3e  9<6<8=5A6<5>:<?>
	0x0040:  3d40 4342 3e42 3a41 3e42 3b3f 3e3e 3a40  =@CB>B:A>B;?>>:@
	0x0050:  3a3e 3f3f 3c3e 3c43 3c45 3d3e 4244 3d43  :>??<><C<E=>BD=C
	0x0060:  413f 3f3f 4544 4047 3b42 3f46 3e47 4047  A???ED@G;B?F>G@G
	0x0070:  4440 3f46 423f 3c45 3d44 4045 4142 3c44  D@?FB?<E=D@EAB<D
	0x0080:  4243 4143 4443 3e44 4140 3d44 4043 4549  BCACDC>DA@=D@CEI
	0x0090:  4644 4447 4142 4047 434a 3e41 3f44 4241  FDDGAB@GCJ>A?DBA
	0x00a0:  4446 4748 4344 3d49 4645 4547 4540 4645  DFGHCD=IFEEGE@FE
	0x00b0:  4342 4243 3c48 4846 4247 4445 4043 4448  CBBC<HHFBGDE@CDH
	0x00c0:  4746 444c 434d 4a44 4444 444b 4445 4544  GFDLCMJDDDDKDEED
	0x00d0:  4148 464f 484a 4b45 4448 4748 4a50 4048  AHFOHJKEDHGHJP@H
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	0x0100:  4348 494b 474d 4644 484c 4349 454e 414c  CHIKGMFDHLCIENAL
	0x0110:  504a 4a4d 4847 474b 4949 4e49 494e 4d4d  PJJMHGGKIINIINMM
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	0x0140:  4d4a 4e4b 4c51 494e 504a 4c4a 464e 4f4a  MJNKLQINPJLJFNOJ
	0x0150:  4b4f 4d52 494c 5552 4f51 4e4d 4a4f 444d  KOMRILUROQNMJODM
	0x0160:  5052 4b54 494c 4b4f 4d53 4f54 5452 4c53  PRKTILKOMSOTTRLS
	0x0170:  504e 4e50 4d52 5351 484c 3e2a 3c6c 8533  PNNPMRSQHL>*<l.3
	0x0180:  5432 4e31 5327 4833 451c 1b0c 100f 0d0c  T2N1S'H3E.......
	0x0190:  1f20 5a70 532a 241d 316a 8931 2e2b 8b3e  ..ZpS*$.1j.1.+.>
	0x01a0:  3c2a 863f 361f 7540 401e 5671 5717 2b66  <*.?6.u@@.VqW.+f
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	0x01c0:  6538 3023 8242 4515 5e48 431c 813d 4f18  e80#.BE.^HC..=O.
	0x01d0:  4852 4a12 1b69 6b33 4a2d c446 5212 170d  HRJ..ik3J-.FR...
	0x01e0:  140f 140f 130a 0c0e 3233 4e32 4c25 180f  ........23N2L%..
	0x01f0:  1625 7133 4d2e 5330 4b16 1f19 2322 2f32  .%q3M.S0K...#"/2
	0x0200:  3133 3535 3934 3f39 4041 474b 494a 504e  135594?9@AGKIJPN
	0x0210:  504b 4127 1414 1313 1012 1413 0f10 1013  PKA'............
	0x0220:  1017 1510 1313 0f0c 1411 1012 140f 1214  ................
	0x0230:  1216 140e 0d10 100e 1410 1011 0e12 1211  ................
	0x0240:  120d 1512 1011 110c 1212 1213 170e 1013  ................
	0x0250:  1112 1411 0f10 1115 1216 130e 142b 4f59  .............+OY
	0x0260:  525a 5a5b 5356 565c 5b5e 5d5a 5b5a 585f  RZZ[SVV\[^]Z[ZX_
	0x0270:  555d 5c59 5e57 5a5d 5d5a 5b5d 5961 5a5a  U]\Y^WZ]]Z[]YaZZ
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	0x0290:  555c 5e5e 555c 5a5d 5c5d 595b 5958 5459  U\^^U\Z]\]Y[YXTY
	0x02a0:  5a60 5e5d 585d 5a58 5d58 5a57 5d56 5c59  Z`^]X]ZX]XZW]V\Y
	0x02b0:  5856 5d58 585c 5441 1a0f 1311 0f11 1713  XV]XX\TA........
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	0x02d0:  0d12 0e11 130f 0e0c 1011 1e3b 4e5b 575f  ...........;N[W_
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	0x0340:  0e0f 0e16 1611 1414 1211 130f 1211 1111  ................
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	0x0360:  130c 0d0b 120e 1114 1211 1512 1116 1915  ................
	0x0370:  1419 274c 5454 605b 6561 6463 5d5e 615e  ..'LTT`[eadc]^a^
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	0x03b0:  5c5d 5d5e 5f5e 6360 5e63 635f 605c 6063  \]]^_^c`^cc_`\`c
	0x03c0:  5d65 6961 625e 5a5d 5b5f 615e 5f5c 6460  ]eiab^Z][_a^_\d`
	0x03d0:  6062 6556 2417 120d 0c0e 0d0d 0b0a 0e0d  `beV$...........
	0x03e0:  0c10 100e 1311 0f10 1313 1314 1011 1313  ................
	0x03f0:  1114 405b 5b62 6264 6662 5765 645e 5f5a  ..@[[bbdfbWed^_Z
	0x0400:  615b 6361 6660 5d61 5f62 6164 5d60 5f61  a[caf`]a_bad]`_a
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	0x0430:  1511 1512 1012 1415 4b57 6662 605d 665f  ........KWfb`]f_
	0x0440:  615d 5e59 5f63 5e63 6460 605b 6165 5e5b  a]^Y_c^cd``[ae^[
	0x0450:  5d5e 5e60 6364 605a 5f5e 6463 6260 605f  ]^^`cd`Z_^dcb``_
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	0x0470:  1410 1211 1410 1415 1512 1411 1519 2716  ..............'.
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	0x0490:  6163 625f 5e60 5b5c 6165 5c5d 5f5d 645f  acb_^`[\ae\]_]d_
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	0x04f0:  5c5f 5758 595c 5858 5a57 5e5c 595b 595e  \_WXY\XXZW^\Y[Y^
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	0x0530:  5b5b 595a 5b5c 575b 5558 6156 5a55 5b5b  [[YZ[\W[UXaVZU[[
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	0x0550:  5d59 5857 5658 5a59 545f 635a 5657 5a5c  ]YXWVXZYT_cZVWZ\
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	0x05d0:  5f5f 5a5d 5d62 565d 5f63 605d            __Z]]bV]_c`]

12:34:44.782677 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d600 4000 ff11 2198 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c018 0000 0081  ...a.t..........
	0x0020:  0004 fff5 0000 0002 0707 0707 0707       ..............
12:34:45.784569 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d601 4000 ff11 2197 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c017 0000 0081  ...a.t..........
	0x0020:  0004 fff6 0000 0002 0707 0707 0707       ..............
12:34:46.494337 ARP, Reply 192.168.1.122 is-at 34:bd:20:00:dd:c5 (oui Unknown), length 46
	0x0000:  0001 0800 0604 0002 34bd 2000 ddc5 c0a8  ........4.......
	0x0010:  017a e45f 016e ac4b c0a8 0161 0707 0707  .z._.n.K...a....
	0x0020:  0707 0707 0707 0707 0707 0707 0707       ..............
12:34:46.786461 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d602 4000 ff11 2196 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c016 0000 0081  ...a.t..........
	0x0020:  0004 fff7 0000 0002 0707 0707 0707       ..............
12:34:46.923867 IP 192.168.1.122.3956 > rexroot.43920: UDP, length 12
	0x0000:  4500 0028 d603 4000 ff11 2195 c0a8 017a  E..(..@...!....z
	0x0010:  c0a8 0161 0f74 ab90 0014 c016 0000 0081  ...a.t..........
	0x0020:  0004 fff8 0000 0001 0707 0707 0707       ..............

@denglerchr
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Good morning,
I am using Aravis through a wrapper library in Julia, and I also keep running into this issue.
I am using the arv_stream_try_pop_buffer followed by check for NULL followed by a check with arv_buffer_get_status where I then often receive an error.
As I understand here, it can be caused by network issues. Maybe a separate issue, but shouldnt arv_stream_try_pop_buffer return NULL in that case?
GeniCAM_Issue

@EmmanuelP
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As I understand here, it can be caused by network issues. Maybe a separate issue, but shouldnt arv_stream_try_pop_buffer return NULL in that case?

Yes. Please open a new issue.

@denglerchr denglerchr mentioned this issue Dec 13, 2024
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1. bug Problems, incorrect behavior or appearance 5. Gige Issue in the GigEVision implementation
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@EmmanuelP @denglerchr @zibai4991