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BLACK screen on any video output [KINDA SOLVED]

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Post time 2015-9-11 21:06:58 | Show all posts |Read mode
Edited by yeyeto2788 at 2015-9-15 07:15

Hi guys, I'm not an expert in linux that is why I need your help.

Yesterday I worked with the OPi Mini 2 and take some screenshots of the OS and data and so on, but today I wanted to configure the wifi dongle and it was imposible since I can not see anything on any video output.

I tried AV output and nothing then HDMI output and also nothing so I thought probably I made something wrong shutting down the OPi but I also try making a new fresh image on other SD card and guess what....NOTHING.

I dig on my electronic stuff and found a USB-TTL converter to plug it on the OPi and below you will see the output I got. It stuck there for hour and nothing else. It is still waiting for a video signal and waiting for finishing to boot up.

HELP!!!!!

-------------------------------
I will put the code on the reply.
POSSIBLE ANSWER

Hi! I think that the problem could be the SD card.


I used the same kind of SD card on a Raspberry Pi 2 and today I had a problem on booting the Raspberry Pi as I had with the OPi. While I was waiting for the RasPi 2 to get it boot up I plugged the OPi to see if for some miracle it could work and guess what... IT'S WORKING AGAIN.


I supposed it is the SD card. I'm posting a picture od the SD card I'm using.

I thought I could use any card as long as it is 8GB and at least class 4. Has anyone and idea why maybe the SD card would fail?



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 Author| Post time 2015-9-11 21:09:01 | Show all posts
This is the last part of the output from the serial port.

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 Author| Post time 2015-9-11 21:13:58 | Show all posts
Here is the complete code on a .pdf file.

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Post time 2015-9-11 21:33:37 | Show all posts
ma be truble here
hub 1-0:1.0: 1 port detected
sunxi-ehci sunxi-ehci.2: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
sunxi-ehci sunxi-ehci.2: new USB bus registered, assigned bus number 2
sunxi-ehci sunxi-ehci.2: irq 106, io mem 0xf1c1b000
sunxi-ehci sunxi-ehci.2: USB 0.0 started, EHCI 1.00

ehci_irq: highspeed device connect
Orange PI 2
www.orangepi.pp.ua

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 Author| Post time 2015-9-11 21:38:52 | Show all posts
How can I solve the problem? I have just the keyboard and the HDMI cable plugged in.

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 Author| Post time 2015-9-11 21:41:01 | Show all posts
this is the code I'm getting

  1. [    0.977639] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
  2. [    1.005049] sunxi-ehci sunxi-ehci.1: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
  3. [    1.014218] sunxi-ehci sunxi-ehci.1: new USB bus registered, assigned bus number 1
  4. [    1.023124] sunxi-ehci sunxi-ehci.1: irq 104, io mem 0xf1c1a000
  5. [    1.040034] sunxi-ehci sunxi-ehci.1: USB 0.0 started, EHCI 1.00
  6. [    1.047126] hub 1-0:1.0: USB hub found
  7. [    1.051323] hub 1-0:1.0: 1 port detected
  8. [    1
Copy the Code


Thats's the end of the hole code output.

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 Author| Post time 2015-9-11 21:48:29 | Show all posts
magicse replied at 2015-9-11 21:33
ma be truble here
hub 1-0:1.0: 1 port detected
sunxi-ehci sunxi-ehci.2: SW USB2.0 'Enhanced' Host C ...

I have tried with the keyboard plugged in and with out the keyboard. Could it be that I have to upgrade something on the OPi?

Have you had this problem before?

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Post time 2015-10-24 20:45:19 | Show all posts
Edited by palmercr at 2015-10-24 20:46

I have the same problem on Orange Pi plus with Raspbian. It just stops after

[    1.008635] sunxi-ehci sunxi-ehci.1: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.017802] sunxi-ehci sunxi-ehci.1: new USB bus registered, assigned bus number 1
[    1.026723] sunxi-ehci sunxi-ehci.1: irq 104, io mem 0xf1c1a000
[    1.050028] sunxi-ehci sunxi-ehci.1: USB 0.0 started, EHCI 1.00
[    1.057118] hub 1-0:1.0: USB hub found
[    1.061314] hub 1-0:1.0: 1 port detected
[

The SD card was supplied with the OPi.

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Post time 2015-11-2 03:22:31 | Show all posts
Seems to be a faulty USB hub chip. It has all the correct voltages but the 12Mhz  clock crystal does not oscillate.
Post time 2021-11-23 05:58:10 | Show all posts

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