Odroids don't want load after random crng init done

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Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 9:50 pm

Hi,
So I bought 6 Odroids Xu4 to having fun and making also BOINC tasks so, first I have problem with one Odroid (number 4) after reboot he dont want load he stops after: random: crng init done. Well ok I reinstalled linux on him and without restart he works well so I decided to not turn off so no problem right? Well no. After a week I need restart all odroids so I as expected Odroid number 4 wont load again and thats fine BUT another ODroids (number 5 and number 2) dont want to load they are also stuck at random: crng init done. I looking in google how to solve this problem but I didnt find out, so someone know how to fix this? because its really upset from 6 odroids now I have only 3 :(
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 10:41 pm

it is most likely to be a power problem measure the voltage at pin 1 on the 30 pin connetor you should reads 5 volts to 5.2 volts.on the boards ..

how and what are you using for a power supply...?????
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 10:44 pm

For a power supply I running oryginal Hardkernel power supplys: http://www.hardkernel.com/main/products ... 4239561365
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 10:47 pm

what are you running of the boards your using them as miner boards from what i can see...how many threads are you running per board
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 10:49 pm

hmmm could be poor quality sd-cards but i would be checking for 5 volts at the board to alleviate the power supply from the equation
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 10:51 pm

Im not using them as a miners they just doing BOINC tasks in free time temperature never was close to 90 degrees, temperature oscillated around 80 degrees

SD cards are Kingston Class 10 HC I 16GB I dont think this is poor quality SD card.
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 10:55 pm

i would be checking for 5 volts at the board to alleviate the power supply from the equation any less than 4.8 and then you will have problems..i always run mine at 5.2 but i have a custom supply....
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 11:02 pm

phaseshifter I dont have any voltmeter :/
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:04 pm

take one of the said to be faulty sd-cards out of a fail board and put it into a board that is working..this may solve an issue...???
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:10 pm

next if that boot`s we are getting some where..

next

take the power lead out of a good working unit and plug it into a faulty unit...
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 11:15 pm

So I swapped power supply for Odroid number 2 (dont working one) to power supply for Odroid number 3 (working one) and nothing changed the same random: crng init done and dont want load further :/ so it isnt problem with power supplys

Now I switch SD cards from number 3 to odroid number 2 and... its work but I checked SD card in Windows and it working correctly you can write anything on the "bad one" so how this is possible?
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:19 pm

some sd-cards are just finicky some work and some just fail for no given reason...you can do a search on the top right in the searech bar for "sd-formatter" reformat the bad sd`s and fe flash them ..often they fail due to not been shut down correctly and this casues them to corrupt....
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:24 pm

inserting and ejecting an sd whilst the red light is on will corrupt a sd-card ..sometimes only data and can also ruin the card it`s self
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 11:30 pm

Ok I will try reinstall ubuntu but now I will install not minimal version just full version and maybe also this will change something. brb with update

P.S I never ejecting SD card when Odroid is ON, I always shutdown them then I take cards out, also from number 5 and 2 I didnt eject card when I installed ubuntu and put them for the first time I never take out card from this odroids
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:34 pm

use etcher to flash them search the site for it it is a very thorough card writing program best i have used it can flash a card from a zipped up file and it takes a little longer of coarse cause it extracts on the fly and writes
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 11:36 pm

ok thanks I will use it (now I used Win32 Disk Imager - 1.0)
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:50 pm

i have 6 brand new Kingstown sd-cards that fail the write process every time..sorry to tell you Kingston are pretty ordanary..next time go with sandisk or samsung class 10 is fine and some of the high speed cards fail for no abundant reason...i just twigged looking back at your first post..Kingston set a bell of in my head it just took me a while to match it with those crap bricks i got now..i only paid 10 aud for them so no great loss but still they drove me nutzz at the time...phase...
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Sun Sep 17, 2017 11:54 pm

So you telling me the cards just suck and I cant do anything about it? :/
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Sun Sep 17, 2017 11:55 pm

pretty much yes

go buy some sandisk if your running 16.04.3 minimal go with some 4 gig cards unless you need extra space for collected data..
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Mon Sep 18, 2017 12:01 am

So another question should I buy 6 of them (because next 3 will die sooner or later) or just 3 (because just these 3 sucks)?
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Mon Sep 18, 2017 12:04 am

personally from my exp with them.. yes get 6 and use etcher and i dont think you will look back... sandisk class 10 or better will give you peace of mind at least
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Mon Sep 18, 2017 12:07 am

i have brought 16gb out of the supermarket that still function better than some of my expensive cards..that said if you really want performance buy 6 red emmc`s..that is the stuff..i used sd-cards from time to time but all my gear thesedays i get a emmc when i get a board even if it`s only an 8gb chip

you could prolly mark this as solved by now ..any other issues just post a new thread..
Last edited by phaseshifter on Mon Sep 18, 2017 12:10 am, edited 1 time in total.
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Mon Sep 18, 2017 12:09 am

Ok I will get 6 of them, they are good?: https://www.amazon.de/SanDisk-microSDHC ... NDISK&th=1
I dont really need lots of performance so SD cards will be fine
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Mon Sep 18, 2017 12:11 am

yes they will be good value
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Mon Sep 18, 2017 12:13 am

in hindsight it is a relief to know your boards and supply are ok...
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Mon Sep 18, 2017 12:20 am

Yea thats a plus, ordered 6 sandisks should be here in tuesday so I'll be back with update
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Mon Sep 18, 2017 12:21 am

no probs cool peace out 4 now..
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Mon Sep 18, 2017 12:53 am

and also thanks for help :) I didnt notice you are the only one here (in this topic). ;)
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Tue Sep 19, 2017 11:32 pm

So Im coming back with update.

As expected after change from Kingston to SanDisk all Odroids (number 3, 5 and 2) working again also what I noticed system working much faster so for sure very good change... almost.
First problem I had with error when I tried apt-get upgrade (after apt-get update) but reboot solve a problem (do not delete any lock files you can damage system (I writing about this because this is most popular answer on askubuntu)).
And second one much more serious problem is with one SD card when etcher write image on sd card I got an error and my sd card is unreadable. I tried format, tried different PC, I tried some youtube videos and nothing still getting: "Please insert disk into USB drive (H:)."when I trying open sd card in my computer. Ideas?
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Re: Odroids don't want load after random crng init done

Unread postby odroid » Wed Sep 20, 2017 8:37 am

Try faskflashtest or using SD formatter.
https://wiki.odroid.com/troubleshooting ... e_shooting

Or use other USB card reader.
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Wed Sep 20, 2017 8:52 am

update your kernel `s

Code: Select all
sudo apt-get install linux-image-xu3

choose "Y" or yes
next
if you get a splash screen choose no so it updates to the latest kernel.....
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Wed Sep 20, 2017 8:54 am

may just be a faulty card suggest you try odroids methods first before brick`ing the card...
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Wed Sep 20, 2017 9:13 am

odroid wrote:Try faskflashtest or using SD formatter.
https://wiki.odroid.com/troubleshooting ... e_shooting

Or use other USB card reader.


I tried other USB card readers and still nothing
I tried SD formatter and it says: "the memory card is write-protected. Please relase the write protect switch" Ofc I dont use SD card reader and on miniSD you dont have physical switch so this is impossible miniSD is locked even if I tried with regedit to make windows ignore limitations like this and nothing changed.
I also tried SD CArd Formatter and I have error: "Formatting failed"
I tried disk managment and make new simple volume but I have error: "Data error (cyclic redundancy check)".
I tried recovery programs for sd cards and nothing.
And I tried CHKDSK with /f and /r parameters and I have error: "The type of file system is RAW. CHKDSK is not available for RAW drives."
I have no more idea what I can do (google also dont know more) :roll:
Last edited by kubn2 on Wed Sep 20, 2017 9:18 am, edited 1 time in total.
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Re: Odroids don't want load after random crng init done

Unread postby kubn2 » Wed Sep 20, 2017 9:15 am

phaseshifter wrote:may just be a faulty card suggest you try odroids methods first before brick`ing the card...

Card was fine because I can open and format without problem but during flash with etcher when I had error my sd card corrupted and now I cant use it. So right know 5 odroids working on sandisks and one on kingston.
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Re: Odroids don't want load after random crng init done

Unread postby phaseshifter » Wed Sep 20, 2017 10:25 am

Hmmm...i dont know if you can return it for a replacement it seems that the card it has a unrecognized fault of some description ...weather it`s even worth the cost of return ....unsure of the process...

try fdisk under a linux platform and delete all partitions on the card then write the changes..to the card and retry with etcher once again...
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Re: Odroids don't want load after random crng init done

Unread postby ananttickoo » Wed Nov 15, 2017 3:28 am

kubn2 wrote:
phaseshifter wrote:may just be a faulty card suggest you try odroids methods first before brick`ing the card...

Card was fine because I can open and format without problem but during flash with etcher when I had error my sd card corrupted and now I cant use it. So right know 5 odroids working on sandisks and one on kingston.



did you find solution to problem ? I am also facing the same. :x

[edit] i did not read the whole thread.. I am also using B-grade cards. Waiting for a Samsung, hope my issue also fixed.
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