DISPMANXGRABBER Snapshot Failed: #584

datstarkey · 2019-07-18T08:28:55Z

Hi

I've tryed a fresh isntall of Hyperion.ng
It all works okay and im able to sync the lights however I get spammed with:

[hyperiond DISPMANXGRABBER] <ERROR> Snapshot failed: -1

About 10 per second.
example: https://gyazo.com/dac3e12bf1b12431a346677477091121

In the error log, and sometimes it casues the pi to crash after about 5 minutes and i have to reboot it.

corrupted size vs. prev_size
Aborted

Did i do anything wrong in the setup?

Many Thanks

The text was updated successfully, but these errors were encountered:

Paulchen-Panther · 2019-07-18T09:08:31Z

Do you use an OS based on debian buster?

datstarkey · 2019-07-18T09:13:52Z

Yeah, i did should i go with a different OS and try again?

Paulchen-Panther · 2019-07-18T09:23:38Z

yes, please.
EDIT: Whitch OS has you used?

Paulchen-Panther · 2019-07-18T12:04:51Z

Solution:

sudo apt-get install libraspberrypi-dev raspberrypi-kernel-headers
export FIRMWARE_DIR="raspberrypi-firmware"
git clone --depth 1 https://github.com/raspberrypi/firmware.git "$FIRMWARE_DIR"
sudo cp -R "$FIRMWARE_DIR/hardfp/opt/" /opt
sudo reboot

brindosch · 2019-07-18T12:10:09Z

Is this required for all Pi's with Debian 10 to prevent this issues? Is there a specific source for that and why it's "broken" now?

Paulchen-Panther · 2019-07-18T12:13:04Z

@brindosch Ich denke nicht. Hab nur mal auf die schnelle das ganze mit Raspbian Buster Lite versucht und bekam den gleichen Fehler.

brindosch · 2019-07-18T12:33:10Z

That's not a good sign at all :)

datstarkey · 2019-07-18T16:01:18Z

I was using the latest raspbian lite, however ive now installed OSMC.

I have this all running now which is great however im running into a new error:
I get this every few seconds.

"Unexpected reply signature: got \"\", expected \"a{sv}\""

Not sure what this means at all, but thanks for the assistance so far!

Paulchen-Panther · 2019-07-18T16:33:38Z

config please!

datstarkey · 2019-07-18T16:37:56Z

{
	"backgroundEffect": {
		"color": [
			255,
			138,
			0
		],
		"effect": "Warm mood blobs",
		"enable": true,
		"type": "effect"
	},
	"blackborderdetector": {
		"blurRemoveCnt": 1,
		"borderFrameCnt": 50,
		"enable": true,
		"maxInconsistentCnt": 10,
		"mode": "default",
		"threshold": 5,
		"unknownFrameCnt": 600
	},
	"boblightServer": {
		"enable": false,
		"port": 19333,
		"priority": 128
	},
	"color": {
		"channelAdjustment": [
			{
				"backlightColored": false,
				"backlightThreshold": 0,
				"blue": [
					0,
					0,
					255
				],
				"brightness": 100,
				"brightnessCompensation": 100,
				"cyan": [
					0,
					255,
					255
				],
				"gammaBlue": 1.5,
				"gammaGreen": 1.5,
				"gammaRed": 1.5,
				"green": [
					0,
					255,
					0
				],
				"id": "default",
				"leds": "*",
				"magenta": [
					255,
					0,
					255
				],
				"red": [
					255,
					0,
					0
				],
				"white": [
					255,
					255,
					255
				],
				"yellow": [
					255,
					255,
					0
				]
			}
		],
		"imageToLedMappingType": "multicolor_mean"
	},
	"device": {
		"colorOrder": "bgr",
		"hardwareLedCount": 1,
		"invert": false,
		"latchTime": 1,
		"output": "/dev/spidev0.0",
		"rate": 1000000,
		"rewriteTime": 5000,
		"type": "apa102"
	},
	"effects": {
		"disable": [
			""
		],
		"paths": [
			"$ROOT/custom-effects"
		]
	},
	"flatbufServer": {
		"enable": true,
		"port": 19400,
		"timeout": 5
	},
	"foregroundEffect": {
		"color": [
			0,
			0,
			255
		],
		"duration_ms": 3000,
		"effect": "Rainbow swirl fast",
		"enable": true,
		"type": "effect"
	},
	"forwarder": {
		"enable": false,
		"json": [
			"127.0.0.1:19446"
		],
		"proto": [
			"127.0.0.1:19401"
		]
	},
	"framegrabber": {
		"amlogic_grabber": "amvideocap0",
		"cropBottom": 0,
		"cropLeft": 0,
		"cropRight": 0,
		"cropTop": 0,
		"device": "/dev/fb0",
		"display": 0,
		"frequency_Hz": 10,
		"ge2d_mode": 0,
		"height": 45,
		"pixelDecimation": 8,
		"type": "auto",
		"width": 80
	},
	"general": {
		"name": "My Hyperion Config",
		"showOptHelp": true,
		"versionBranch": "Stable"
	},
	"grabberV4L2": {
		"blueSignalThreshold": 5,
		"cropBottom": 16,
		"cropLeft": 16,
		"cropRight": 24,
		"cropTop": 16,
		"device": "auto",
		"greenSignalThreshold": 5,
		"redSignalThreshold": 5,
		"sDHOffsetMax": 0.75,
		"sDHOffsetMin": 0.25,
		"sDVOffsetMax": 0.75,
		"sDVOffsetMin": 0.25,
		"signalDetection": false,
		"sizeDecimation": 8,
		"standard": "NO_CHANGE"
	},
	"instCapture": {
		"systemEnable": false,
		"systemPriority": 250,
		"v4lEnable": true,
		"v4lPriority": 240
	},
	"jsonServer": {
		"port": 19444
	},
	"ledConfig": {
		"bottom": 31,
		"edgegap": 0,
		"glength": 0,
		"gpos": 0,
		"hdepth": 8,
		"left": 16,
		"overlap": 0,
		"position": 47,
		"reverse": true,
		"right": 16,
		"top": 31,
		"vdepth": 5
	},
	"leds": [
		{
			"hscan": {
				"maximum": 1,
				"minimum": 0.95
			},
			"index": 0,
			"vscan": {
				"maximum": 1,
				"minimum": 0.9375
			}
		},
		{
			"hscan": {
				"maximum": 1,
				"minimum": 0.95
			},
			"index": 1,
			"vscan": {
				"maximum": 0.9375,
				"minimum": 0.875
			}
		},
		{
			"hscan": {
				"maximum": 1,
				"minimum": 0.95
			},
			"index": 2,
			"vscan": {
				"maximum": 0.875,
				"minimum": 0.8125
			}
		},
		{
			"hscan": {
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				"minimum": 0.95
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			"index": 3,
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				"minimum": 0.75
			}
		},
		{
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				"maximum": 1,
				"minimum": 0.95
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			"index": 4,
			"vscan": {
				"maximum": 0.75,
				"minimum": 0.6875
			}
		},
		{
			"hscan": {
				"maximum": 1,
				"minimum": 0.95
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			"index": 5,
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				"maximum": 0.6875,
				"minimum": 0.625
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		},
		{
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				"minimum": 0.5625
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	"logger": {
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	},
	"protoServer": {
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		"port": 19445,
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	"smoothing": {
		"continuousOutput": true,
		"enable": true,
		"time_ms": 200,
		"type": "linear",
		"updateDelay": 0,
		"updateFrequency": 25
	},
	"udpListener": {
		"address": "239.255.28.01",
		"enable": false,
		"port": 2801,
		"priority": 200,
		"shared": false,
		"timeout": 10000
	},
	"webConfig": {
		"document_root": "",
		"port": 8090
	}
}

Paulchen-Panther · 2019-07-18T16:48:00Z

how did you install hyperion?

datstarkey · 2019-07-18T17:09:01Z

The usual way from the wiki , and running the bin/hyperiond command at the end

Paulchen-Panther · 2019-07-18T20:07:12Z

It seems to be a network specific qt problem. I get the error message "No carrier" under OSMC. Just like your error message, search on the internet usually results in the connman library as a result.

edit: Link: https://bugreports.qt.io/browse/QTBUG-57844

datstarkey · 2019-07-19T13:20:58Z

well, i managed to set it up as a service and load on start up, and i don't appear to be getting the error anymore.

Everything seems to be working fine now! thanks very much for your help

isarvalley · 2019-07-21T16:24:25Z

Hi,

I tried the solution from above, but still get this error:

[hyperiond DISPMANXGRABBER] Snapshot failed: -1

Do I have to do something extra? Like compile again.

Best Regards,

Johannes

Paulchen-Panther · 2019-07-21T17:02:12Z

Do I have to do something extra?
You have restarted?

isarvalley · 2019-07-21T17:31:52Z

Thanks for your quick response. Yes, I did a restart, but unfortunately with the same result.

Btw.: Is it correct that the files are copied to /opt/opt/vc ? Or would /opt/vc be correct. Anyway, I tried both with no luck.

AdamYellen · 2019-08-15T18:38:22Z

I noticed the same error when running in multi-user mode. After switching to graphical it calmed down.

Paulchen-Panther · 2019-09-07T19:23:48Z

juj/fbcp-ili9341#100 (comment)
https://www.raspberrypi.org/documentation/configuration/config-txt/video.md

Andoramb · 2019-09-17T11:59:48Z

hm, this started popping up on my setup as well on Vero4K+

Paulchen-Panther · 2019-10-12T19:37:48Z

I have bought a Raspberry Pi 4 and can confirm that this problem is eliminated by commenting out / creating the entry "hdmi_force_hotplug = 1" in the config.txt.

brindosch · 2019-10-13T08:06:41Z

Congratulations. This should be added to the readme (and install scripts?) somewhere :)
Feel free to test out 2 display support :)

Are they selectable? (add field display to dispmanx)
Black screen when wrong display selected (unplugged)?
Check dispmanx init, i think there is a false positive message

Paulchen-Panther · 2019-10-20T12:06:20Z

This should be added to the readme (and install scripts?) somewhere :)

Is it possible to read the config.txt and check if the value is available with suitable hardware?

Feel free to test out 2 display support :)

Unfortunately, I only own a monitor. I can not test dual output.

Are they selectable? (add field display to dispmanx)

Black screen when wrong display selected (unplugged)?

Check dispmanx init, i think there is a false positive message

I'll see what it looks like

brindosch · 2019-10-20T12:39:09Z

There is a snippet from the pi guys to detect Pi versions in a script
https://github.com/RPi-Distro/raspi-config/blob/master/raspi-config#L46
This should help :)

As we already add the SPI line it should be a copy&paste thing

Hyperion-Bot added the Backlog label Aug 15, 2019

Paulchen-Panther mentioned this issue Sep 28, 2019

RPi4: Missing support for 2 displays #628

Closed

Paulchen-Panther closed this as completed Oct 12, 2019

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DISPMANXGRABBER Snapshot Failed: #584

DISPMANXGRABBER Snapshot Failed: #584

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DISPMANXGRABBER Snapshot Failed: #584

DISPMANXGRABBER Snapshot Failed: #584

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