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Author Topic: Learning/newbie s9 zero hash 100% discarded  (Read 412 times)
Nhazwrath (OP)
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November 02, 2020, 10:10:29 PM
 #1

HI people.  I decided to do some learning on this topic and purchased a S9(new in box)  used power supply but seems to be working.   I am aware this is a old unit and i am not looking to have this thing make money other then a few dollars maybe. 
On to the problem.   

So after learning how to get this thing up and running, updating its firmware (Linux 3.14.0-xilinx-g16220c3 #83 SMP PREEMPT Thu Jul 12 11:42:53 CST 2018)
Learning that people mess with its root password almost right away.  (factory resets and fast PW change fixed that!)
Joining it to a couple of different pools.  Making sure its on the dmz (dont know if that matters)

It sees the pools but 100% of any work it is sent is discarded the hashrate is zero.  I let it run a few hours and no change other then higher discard numbers. I tried digging around on this forum but i dont know enough to narrow the problem yet.

some pointers to what directions next would be good. thanks in advance.
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November 02, 2020, 10:31:45 PM
Last edit: November 03, 2020, 02:59:34 AM by frodocooper
 #2

Can you post an image of what you are seeing on the miner status page? It could also be helpful for you to post the Logs from the Antminer, as someone might pick the problem out from there. Be sure to post this using the code button looks like this "#" when you make a post. What do you see pool side? Does the pool see the miner? and is it reporting any hashes pool side.

How many pools have you tried to connect to? If only one try another.

Iirc your miner should still show a hashrate on it's status page as it's still technically doing the work.

I just want to clarify is this "discarded" or "rejected" shares. I haven't looked at an Antminer in a while.



Here is an older thread detailing "discarded" shares - https://bitcointalk.org/index.php?topic=3629509.0. This is why we need more info from you.


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November 02, 2020, 10:33:03 PM
 #3

Well it is cheap under 100 usd I hope.

First off you did not come here first and you loaded the most up to date bitmain firmware .

This has crippled the machine.
I can't teach you about brains aftermarket firmware.  
I can't do a lot due to your choice to firmware upgrade without asking about it.

edit:

looks like you did 2018 firmware not the newest one so you may not have screwed up

Rant has ended. Grin

Go to gui and look for  system click it then click log


Code:
put the log into code format

we can see what the log tells us what is wrong.

also screenshot the configuration page did you do all three pools?

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November 02, 2020, 11:30:53 PM
Last edit: November 03, 2020, 02:59:03 AM by frodocooper
 #4

welp it was well under 100.  shipping was almost as much =>

if i try to copy the log here it exceeds permitted size. i dont know whats the relevant part..  finding this forum was actually quite a bit harder then i thought it was be.  google keeps trying to shove me in to irrelevant reddit threads and useless bitmain support pages.

https://imgur.com/obWUe48
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November 02, 2020, 11:38:33 PM
Last edit: November 03, 2020, 03:00:03 AM by frodocooper
 #5

The miner's hashrate is 0, this is why nothing is showing on the pool, there are many things which could cause such an issue, the first suspect would be the firmware, but please don't upgrade to the latest firmware because that will lock you out of the miner and there won't be much you can do, try a custom firmware for testing, and once everything is good you could switch back to the stock firmware.

This could also be a power supply-related issue, you need to post the kernel log, ALL of it, usually the lines at the bottom are more important, but it's best if you could post all of it, try to edit your first post, and put like half there, and then put the second half in the second post.

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November 02, 2020, 11:56:17 PM
Last edit: November 03, 2020, 03:00:24 AM by frodocooper
 #6

not sure how to break up the log to get it on here even 1/8th of it is too large.   could i upload it somewhere and then link it?

Prior to that firmware update i did. it was running on stock firmware with the exact same results.  thus the firmware update.
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November 03, 2020, 12:07:38 AM
Last edit: November 03, 2020, 03:00:53 AM by frodocooper
 #7

not sure how to break up the log to get it on here even 1/8th of it is too large.   could i upload it somewhere and then link it?

Maybe use something like https://justpaste.it/ and paste the link here?

It's kind of strange that your miner is creating a kernel log that can't be pasted in two posts here, it's probably repeating the same error endlessly and that's why.

Prior to that firmware update i did. it was running on stock firmware with the exact same results.  thus the firmware update.

What is the current firmware version? if the firmware upgrade didn't fix it, then it could be "very likely"  that the PSU is bad, however, the kernel log will give us more details on the issue.

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November 03, 2020, 12:12:28 AM
 #8

https://justpaste.it/9jit0

ty for that link.   btw.  

Linux 3.14.0-xilinx-g16220c3 #83 SMP PREEMPT Thu Jul 12 11:42:53 CST 2018
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November 03, 2020, 12:31:37 AM
Last edit: November 03, 2020, 03:01:45 AM by frodocooper
 #9

Code:
read failed on Chain[5] Chip[62] middle Temp old value:0

Code:
read failed on Chain[6] Chip[62] middle Temp old value:0

Code:
read failed on Chain[7] Chip[62] middle Temp old value:0

What these 3 lines of the kernel log are saying is that the temp sensors on all three boards are bad, while that is a possibility, it's very, very unlikely especially since you mentioned that it was a brand new gear, in most cases when all temp-sensor fail at once, it means the PSU is bad, so you need a PSU replacement, that is bad news, but also good news since PSUs are dirt cheap.

Linux 3.14.0-xilinx-g16220c3 #83 SMP PREEMPT Thu Jul 12 11:42:53 CST 2018

This is the Kernel Version, the firmware version is beneath that, labeled as  "File System Version" it usually starts with a day of the week like Fri / Mon and ends with a year like 2020/2019.

I would still flash custom firmware and see if it gives any different results, pretty slim chances but worth trying.

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November 03, 2020, 12:35:57 AM
Last edit: November 03, 2020, 03:02:24 AM by frodocooper
 #10

i have older PC power supplies lying around.   maybe power a single board back up with one of those and see?

Code:
Antminer S9
Hostname antMiner
Model GNU/Linux
Hardware Version 30.0.1.3
Kernel Version Linux 3.14.0-xilinx-g16220c3 #83 SMP PREEMPT Thu Jul 12 11:42:53 CST 2018
File System Version Wed Jul 31 16:18:27 CST 2019
Logic Version V1.3.58
BMminer Version 2.0.0
Uptime 7:45
Load Average 0.38, 0.18, 0.15

ii also kept the original version backed up before attempting a newer one.
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November 03, 2020, 12:54:56 AM
Last edit: November 03, 2020, 03:03:21 AM by frodocooper
 #11

i have older PC power supplies lying around.   maybe power a single board back up with one of those and see?

Go ahead, don't forget to power the control board as well, so you will need a total of 4*6pin 12v inputs, which most regular PC PSUs should have.

Wed Jul 31 16:18:27 CST 2019

This is your firmware version, and It's the latest firmware from Bitmain, no S9s were made after that version which means the flash/upgrade went through since your miner is brand new, by the way is it an S9i / or S9j? or is it actually S9! and how the heck did you manage to find a brand new S9 in late 2020 anyway. Undecided

ii also kept the original version backed up before attempting a newer one.

That will probably be of no use since the firmware you flashed won't allow you to flash any other firmware (except going with the Sdcard route) because it says:

Quote
3.Secure firmware with signature, SSH port is closed.
4.You can't upgrade previous secure firmware after using this version.

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November 03, 2020, 01:55:01 PM
 #12

So i brought out a gold standard 700 watt PSU for a PC I know it still works fine It has the required plugs(4) and plugged in the control board and 1 hashboard and since it still wants a PC the old pcs MB as well. the PSU refused to turn on at all.  but it saw the MB and its indicator lights saw power.

with this failure of anything.  im interested in attempting the diag the apw++++++ PSU.

although imi going to rehookup the original psu to see if i didnt cook anything.

Checked ebay  the shipping of a PSU is about double what they are selling for lol.  
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November 03, 2020, 02:13:34 PM
Last edit: November 04, 2020, 12:16:52 AM by frodocooper
 #13

are you usa based?
i have lots of apw3+

they can ship to usa cheaply about 9 to 20.

via usps.

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November 03, 2020, 02:26:36 PM
 #14

Canada.  New Brunswick.    with exchange rate its like 30 in shipping.  I wanted to check to see if i had a dead or non correctly functional one before just buying another.  Didn't want to start throwing money away willie nilly At something that wont pay for itself very quickly or at all.  Part education as well  I can diagnose PCs fairly well  been doing that on and off since the mid 90s. 

When a PCs PSU goes bad it rarely even turns on which is why im doing a "erm what?"  the Bitmain PSu looks like its built along the same lines as a PC unit and the unit turns on.  so.  I dont doubt you in the slightest that its bad.  but i want to know where its bad.
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November 03, 2020, 02:47:48 PM
 #15

I'll check with someone I know on that side of the country to see if they have something for you. There's a good chance they will have something. If not I'm in the middle of the country and have a few of those PSU's around I believe.
Let me know if you decide to go that route.

The only check I've ever done on  PSU is to check voltage at the connectors. Apart from that I don't really know anyone who has bothered to open it up and look for what component malfunctioned.


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November 03, 2020, 10:05:34 PM
Last edit: November 04, 2020, 12:17:57 AM by frodocooper
 #16

It's really hard to troubleshoot a PSU, aside from the obvious fan change, most bad PSUs i dealt with had a bad fan, and changing that fixes the issue, I was told by someone who knows well about this stuff that they were not made in a way that could be fixed when something goes wrong, it's not technically impossible, but time and cost-wise is the issue, these PSUs go for as low as $10 in china, there is zero sense for anyone to attempt fixing them anyway.

I have a ton of spare Apw3/Apw7 because miners die more often than PSUs do, sadly, I am a few thousand miles away from where you are located, Steamtyme is the only guy I know of and trust who can manage to source a cheap PSU for you nearby, the next closest to him would be the people in the U.S like phill and a few others, also do check with Scott (you can find him in the hardware marketplace) he might be able to help.

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Nhazwrath (OP)
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November 04, 2020, 04:27:01 PM
Last edit: November 04, 2020, 11:26:59 PM by frodocooper
Merited by mikeywith (1)
 #17

I thank you all for the information so far.  the pointer towards the PSU lead me to some more specific information about this issue. in effect what i read was if the psu has a under voltage the miner will power up but the temp sensors will not come online.

in the morning i might feel like pulling out my meter and checking all the leads.  but im going to go with the easy answer.  the PSU is bad.

I don't suppose any of you are inside of Canada? cheaper shipping maybe.



I have learned that if i leave 1 board unpowered the s9 will see its temp sensors on the other two and start hashing.   I also read on another site that the apw3++ is really only designed to run 2 boards at 110v?  what would be the point of selling an item thats under powered? not sure if that is accurate information atm.
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November 04, 2020, 04:40:14 PM
Last edit: November 05, 2020, 02:06:42 PM by NotFuzzyWarm
Merited by frodocooper (2), mikeywith (1)
 #18

Yes it IS accurate.  Using 110V input the APW3++ is only good for at most 1,200w and is happiest under 1,100w when fed 110v but will easily put out 1,600w when fed 220V which will run a full s9 miner at full speed. Depending on the speed the old s9's w/all 3 boards draw from 1,250w up to 1,375w.

It is not under powered, you just need to match the load to what it can put out. Ya gotta remember that for many years now most miners have been very power-hungry and so are powered with >200VAC - not 110v. BM offered PSU's that can run on 110v only because lots of folks throttle down the miners to be reasonably quiet space heaters so the lower power output is not a issue.

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November 04, 2020, 04:43:01 PM
Merited by mikeywith (1)
 #19

I got your PM. I'll look around and see what I got I also reached out to someone closer to you but haven't heard back.

Quick question are you trying to run on a 110v circuit?? You should be supplying 220v to the PSU- to run a fully functional S9. I can't remember but I think they ran on 110 for L3 litecoin miners.

Odds are you won't need a PSU. Good luck.


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Nhazwrath (OP)
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November 04, 2020, 05:04:17 PM
 #20

yeap 110v is whats available.  see im ignorant this stuff still.   id skip the new psu since this is a learning unit.   if it pays for itself running at 1/3 speed at a reasonable rate ill buy a better unit.

Again thanks for all the help people even if it wasnt specific info the talking to people was enough to get me heading the right direction.
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