[Fixed] ODroid HC4 blinking cursor on boot Topic is solved

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thewanderer
Posts: 4
Joined: Sun Feb 07, 2021 5:05 am

[Fixed] ODroid HC4 blinking cursor on boot

Post by thewanderer »

Hello all,
I just purchased a ODroid HC4 and flashed up a SD with latest DietPI C4/HC4 image. Petitboot starts and locates the image from the SD. Once it starts to boot from the SD I get the blinking cursor at the top left. I've tried flashing/downloading multiple times, and with different SD cards, this didn't resolve the problem. I've flashed the SD with the standard ODroid image for HC4 and it boots fine.

Any thoughts?

Regards
Dylan
Last edited by thewanderer on Thu Feb 11, 2021 11:50 pm, edited 1 time in total.
thewanderer
Posts: 4
Joined: Sun Feb 07, 2021 5:05 am

Re: ODroid HC4 blinking cursor on boot

Post by thewanderer »

Hello all,
I'm going to load up the USB to UART and check if I can get something out, as HDMI isn't providing anything.

Regards
Dylan
thewanderer
Posts: 4
Joined: Sun Feb 07, 2021 5:05 am

Re: ODroid HC4 blinking cursor on boot

Post by thewanderer »

Hello all,

Got my UART to USB cable. Here is the logs

last bit of the logs here. Complete is attached.

Code: Select all

Begin: Running /scripts/local-block ... done.
Begin: Running /scripts/local-block ... done.
done.
Gave up waiting for root file system device.  Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT!  /dev/mmcblk0p2 does not exist.  Dropping to a shell!
(initramfs) [   68.608519@1] fb: mem_free_work, free memory: addr:800000
Attachments
boot.txt
(56.82 KiB) Downloaded 3 times
User avatar
Joulinar
Posts: 3688
Joined: Sat Nov 16, 2019 12:49 am

Re: ODroid HC4 blinking cursor on boot

Post by Joulinar »

Hi,

I'm not owning this device but from the logs it seems your device is not able to mount the RootFS located on the second partition of your SD card

Code: Select all

Gave up waiting for root file system device.  Common problems:
 - Boot args (cat /proc/cmdline)
   - Check rootdelay= (did the system wait long enough?)
 - Missing modules (cat /proc/modules; ls /dev)
ALERT!  /dev/mmcblk0p2 does not exist.  Dropping to a shell!
Pls let us know if a solution is working. This could help others if they hit by similar situation. Your DietPi Team
thewanderer
Posts: 4
Joined: Sun Feb 07, 2021 5:05 am

Re: [Fixed] ODroid HC4 blinking cursor on boot

Post by thewanderer »

Hello all,
Fixed the problem. Slight correction on original statement. Turns out odroid image wasn't booting either. The HDMI interface wasn't showing me anything. I could see HC4 had an IP address, I had then assumed odroid Ubuntu mate had booted. It hadn't it was Petitboot. When dietpi SD was loaded in HC4, Petitboot would auto boot after a 10 seconds delay and would fail to load as detailed. However, when odroid SD was loaded there was no autoload, it just stayed in Petitboot.

I flashed Petitboot with the latest image and it fixed the problem. Both dietpi and the odroid image booted afterwards.

Regards
Dylan
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