Crowsnest Webcam keeps losing connection after a few seconds of working fine | Mainsail | Page 1

thorny escarp Jan 4, 2024, 4:46 PM

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Ive set up a USB Webcam with Crowsnest using WebRTC, it works for a few seconds to minutes, then loses Connection

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📎 logs-20240104-174931.zip

lavish atlasBOT Jan 4, 2024, 4:52 PM

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thorny escarp Jan 4, 2024, 4:56 PM

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what?

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📎 crowsnest.log

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thorny escarp Jan 4, 2024, 5:30 PM

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📎 crowsnest.conf

queen onyx Jan 4, 2024, 8:37 PM

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thorny escarp what?

sry, the bot only checks for .log and .txt files. we will add .zip files for the check

thorny escarp Jan 4, 2024, 8:37 PM

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ah

queen onyx Jan 4, 2024, 8:37 PM

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[01/04/24 17:47:13] crowsnest: WATCHDOG: Lost Device: '/dev/v4l/by-id/usb-GENERAL_GENERAL_WEBCAM_JH0319_20210712_v102-video-index0'```

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is it possible that the cam have connection issues?

thorny escarp Jan 4, 2024, 8:37 PM

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i am unsure

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it is directly plugged into my Pi 3B+

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and it consistently gets detected when i reboot the Pi

queen onyx Jan 4, 2024, 8:38 PM

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do you have a second webcam to doublecheck it

thorny escarp Jan 4, 2024, 8:39 PM

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no

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i specifically bought this cam for this Setup

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basically what happens is, when i reboot, the Cam gets detected, then works for like 30sec, then freezes and only shows black

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like, i just rebooted the Pi

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and it works fine

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but after a minute or 2, it turns black

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this is weird

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ive set it to 720p and 30fps

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and it seems to be working fine for now

queen onyx Jan 4, 2024, 8:46 PM

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pls try to add --camera-force_active=1 to the custom_flags

thorny escarp Jan 4, 2024, 8:46 PM

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okay

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question

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could it be a Bandwith Issue?

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like

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if i set it to 1080p 30fps

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because it seems to be fine when set to 720p

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also, about custom flags, how do you adjust exposure and brightness?

thorny escarp Jan 4, 2024, 8:53 PM

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thorny escarp ive set it to 720p and 30fps

so, this seems to have helped

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but i will do a test-print to see if it is consistent

thorny escarp Jan 4, 2024, 9:13 PM

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okay

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so

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it seems to have only helped for a little bit

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it just went black

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queen onyx Jan 4, 2024, 9:14 PM

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pls provide logs. a stream video without anything in it doesnt help...

thorny escarp Jan 4, 2024, 9:15 PM

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📎 crowsnest.log

queen onyx Jan 4, 2024, 9:16 PM

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ok. same error. pls change these settings:

log_level: debug
delete_log: true

restart crowsnest > let it run until a break and then upload the log again

thorny escarp Jan 4, 2024, 9:16 PM

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okay

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okay

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so restarting crowsnest doesnt seem to do anything

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so, ill wait for the print to finish and then reboot to get Crowsnest back with the changed settings

queen onyx Jan 4, 2024, 9:23 PM

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should be also ok. i just want a deeper log

thorny escarp Jan 4, 2024, 9:23 PM

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ye

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heres the new log

📎 crowsnest.log

queen onyx Jan 4, 2024, 9:32 PM

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[01/04/24 22:28:49] crowsnest: DEBUG: camera-streamer [cam 0]: device/v4l2/device.c: CAMERA: Can't open device: /dev/v4l/by-id/usb-GENERAL_GENERAL_WEBCAM_JH0319_20210712_v102-video-index0
[01/04/24 22:28:49] crowsnest: DEBUG: camera-streamer [cam 0]: device/device.c: CAMERA: Can't open device: /dev/v4l/by-id/usb-GENERAL_GENERAL_WEBCAM_JH0319_20210712_v102-video-index0

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ok. it looks more like a hardware issue, than a config/software issue

thorny escarp Jan 4, 2024, 9:34 PM

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so like, the camera is borked?

queen onyx Jan 4, 2024, 9:35 PM

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or cable or usb port

thorny escarp Jan 4, 2024, 9:35 PM

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hm

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lemme try another port

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📎 crowsnest.log

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plugged it into a different port

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seems to work

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just for how long

thorny escarp Jan 4, 2024, 10:20 PM

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yep

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didnt help

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disconnected after 30min again

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📎 crowsnest.log

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you recommend a new Camera?

queen onyx Jan 4, 2024, 10:27 PM

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pls wait until tomorrow and mr.yel will check it again

thorny escarp Jan 4, 2024, 10:32 PM

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okay

exotic salmon Jan 5, 2024, 12:09 AM

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Run dmesg > ~/printer_data/config/dmesg.txt on a ssh terminal, after the problem appeared once, since the last reboot of the pi.
Then go to your machine page in Mainsail and download the dmesg.txt file you should find there and send it.

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It could be a power issue maybe, so you could try a powered usb hub

exotic salmon Jan 5, 2024, 9:58 AM

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thorny escarp heres the new log

I now looked through the logs. In this one #1192509359549329468 message the cam came back. If you didn't do anything yourself, it's possible that it's a bad cable. I would suggest the powered usb hub first, if you have one. Otherwise just go with a new cam. This seems like a pretty cheap generic 1080p one anyway.

thorny escarp Jan 5, 2024, 11:56 AM

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📎 dmesg.txt

thorny escarp Jan 5, 2024, 11:57 AM

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exotic salmon It could be a power issue maybe, so you could try a powered usb hub

hm, my Pi does constantly give a low Voltage Warning, even though its plugged into a 30W supply

exotic salmon Jan 5, 2024, 11:58 AM

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thorny escarp hm, my Pi does constantly give a low Voltage Warning, even though its plugged in...

30w doesn't mean it's getting the needed 5V constantly. The pis are very picky for that. So something with 5.1V could be more stable

thorny escarp Jan 5, 2024, 11:58 AM

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hm

exotic salmon Jan 5, 2024, 12:00 PM

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There are already problems in the startup. Like 20s after the pi booted. A minute later it disconnects completely. So I would say it's most likely the cam itself.

thorny escarp Jan 5, 2024, 12:00 PM

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exotic salmon There are already problems in the startup. Like 20s after the pi booted. A minut...

okay, guess ill buy another then

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thx for your help

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is there any cam you can recommend?

exotic salmon Jan 5, 2024, 12:04 PM

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I'm using some generic ones too for testing, and they work fine. They just shouldn't be too cheap.
Personally I'm using a picam v3, but the pi cams got their own problems in some scenarios. Like if you want to use a touchscreen for example

thorny escarp Jan 5, 2024, 12:04 PM

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okay

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so i guess i just had bad luck

exotic salmon Jan 5, 2024, 12:04 PM

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That's possible

thorny escarp Jan 5, 2024, 12:05 PM

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bit annoying, gotta design a new mount again

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oh well

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i guess thats what we build these Printers for

exotic salmon Jan 5, 2024, 12:07 PM

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Just for an example how my usb cams show up:

/dev/v4l/by-id/usb-XHT-211220-ZW_Photry_PC230A_QHD_Webcam_01.00.00-video-index0
/dev/v4l/by-id/usb-SJ-180517-N_1080P_Webcam-video-index0
```vs yours:

/dev/v4l/by-id/usb-GENERAL_GENERAL_WEBCAM_JH0319_20210712_v102-video-index0

thorny escarp Jan 5, 2024, 12:07 PM

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interesting

exotic salmon Jan 5, 2024, 12:08 PM

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The top one was a pretty expensive one, but they got discontinued and then they sold them for 10€ 😂

thorny escarp Jan 5, 2024, 12:08 PM

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oh

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nice

exotic salmon Jan 5, 2024, 12:08 PM

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The other one is some generic one from amazon, labeled loetad

thorny escarp Jan 5, 2024, 12:08 PM

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yea ive read that the Logi C920 is popular

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but that thing is verry expensive

exotic salmon Jan 5, 2024, 12:09 PM

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thorny escarp yea ive read that the Logi C920 is popular

Yes, but the logitech cams got some problems too.

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Like v4l2ctl not getting set correctly. That problem might be fixed with the latest camera-streamer version, but the problem still exists for ustreamer atm

thorny escarp Jan 5, 2024, 12:10 PM

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okay

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ive ordered a new one

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should be here Monday

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lets see

exotic salmon Jan 5, 2024, 12:10 PM

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Fingers crossed that this one will work 🤞

thorny escarp Jan 5, 2024, 12:11 PM

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Today i have to work on my Printer anyway

#Crowsnest Webcam keeps losing connection after a few seconds of working fine