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Author Topic: [OS] nvOC easy-to-use Linux Nvidia Mining v0019-1.4  (Read 322258 times)
fullzero
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August 11, 2017, 06:06:38 PM
 #2521

Hey, ty for adding teamviewer to nvOC!

But i got a problem: teamviewer never start on boot, i always need to enter this on guake terminal :

sudo teamviewer --daemon enable


My rigs are not at home, and if i need to reboot this, i can't control after the reboot :-(, please help me.




On your 1bash be sure to set

TEAMVIEWER="YES"

Oh thanks, there is a way to edit the 1bash in ubuntu ? if yes it need a restart ? thanks!

Yes, you can. It is in the home directory. Please search in home folder (where you see all miners)

EDIT:

For restart, to apply the 1bash changes you don't need to restart whole rig, you can kill the mining process using 'CTRL + c' and it should restart the process with new changes, if it doesn't just close the terminal after 'CTRL+c' and close the terminal and restart the terminal (not the rig)

press CTRL+c, it restarts 1bash, do you know how to disable this feature?
 I'd like to exit the terminal when I press CTRL+c, thanks.  

The way everything is setup; is to expect this to occur.  You can change this but; it will break a lot of other things.

When gnome terminal is open go to the top left of the screen and click terminal, then preferences, then profiles.  select mining and click edit.  Click the command tab.  Change when command exits: to Exit the terminal.




Friend, look, please. It's in your interests. I need to collect 30 farms for 12 Mining Edition cards and I want to do this on NVOC and I need to collect it before the end of the week, but without overclocking there is no sense at all.
I sent you access to private messages.

Very much I ask you, to solve a situation.

I will try to do this tonight.

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fullzero
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August 11, 2017, 06:12:09 PM
 #2522

Hey Guys,

Have a problem with loading the OS as it tells me "xorg PROBLEM DETECTED" and then reboots and shows:
error: unknown filesystem
grab rescue>


What can it be and how can I solve this? Used flashing tools as described and tried it at least twice. I am using ASrock h110 and at the moment just one Manli P106-100 card just so I can test if I can install the OS before installing all 13 cards.



I need one or two of the:

P106-100

to test and ensure nvOC will properly support these GPUs.  A number of members have had problems using these GPUs.  If someone is willing to sell me 1 or preferably 2 Please pm me.



I have solved this issue by editing the line "XORG FAIL" to XORG "OK" which worked and the system started, now I have the different problem :

When I run more then 6-7 cards on the board no matter in what miner I either get error 15 " cannot get current temperature " or the system just freezes after in about half an hour or a bit longer and the only thing that helps is to turn off/on the power socket... I have updated the drivers and now trying to wait for it to freeze on 6 cards since it works the longest out of all the set ups I tried. As soon as I try 10 or more GPUs I either get error 15 or just frozen system. I don't think it's one of the cards since I mixed them a couple of times and what I noticed is that it crashes faster as I add more GPUs.

Do you have any idea where the problem can be? I have also 2 PSUs connected together one 600W Zalmann powering motherboard and 2400W HP server PSU which was remade for GPU mining and powers risers and GPUs, both of those seem to be working fine , so I have no idea where to look for solution.

If anyone had this problem please let me know , would be greatly appreciated... Even willing to donate to somebody who's advice will help.

PS. The cards are in stock mode, so it's not OC.

UPD Been pretty stable on 6 cards , have been running for 8 hours now , probably will try and add a couple after a 16-20 hour mark...

If you have another rig, I would try testing each of the GPUs an verifying they work individually; if they all do, then I would get a pico for your server PSU and try using only the server PSU.  If you are using an atx PSU for the mobo and a server psu for everything else without joining them; this can cause problems.

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August 11, 2017, 06:13:29 PM
 #2523

Hi guys, if posted prior my apologies as I tried to search this thread and the global threads.

My question is in regards to 'Maximus007_Auto_Temperature_control'

When I have it on it doesnt matter what I set the 'target_temp' for each card at it seems to like running the cards at 70 to 80 degrees and will up and down scale the fans to keep them there.  Fans are at 30 - 35%.

I prefer a temp of 55 to 60.

Then I thought I would turn it off but even if I set manual fan to yes and the auto temp to 'no' my fan speed of 65% is not reflected so I think the script runs regardless of what you put in 1bash.

Anyone had this issue and either (a) found a way to make it respect the selected temperature or (b) disable it and allow for manual fans?


Many thanks!


change:

Code:
TARGET_TEMP_0=60

TARGET_TEMP_1=60

TARGET_TEMP_2=60

TARGET_TEMP_3=60

TARGET_TEMP_4=60

TARGET_TEMP_5=60

TARGET_TEMP_6=60

TARGET_TEMP_7=60

TARGET_TEMP_8=60

TARGET_TEMP_9=60

TARGET_TEMP_10=60

TARGET_TEMP_11=60

TARGET_TEMP_12=60

TARGET_TEMP_13=60


for b see:

https://bitcointalk.org/index.php?topic=1854250.msg20730240#msg20730240





Hi Fullzero,

With a fresh install of NvOC , changing target temps doesnt do anything on my rig.  The fans do move up and down but they dont maintain target temp.

For example I set target temp as per your note to 60 and the cards run at 80.  The fans go up and down on each card to maintain 80.  The expected result is that they go faster to say 55% so the card runs at 60.

If I follow the steps in (b) this doesnt do anything different.  

I am using v17 , was this an issue in 17?  Or could it be my cards causing the issue
I am in Australia and we have celcius as our default temperature and you guys use farenheit could that be an issue somewhere?

In version v15 if I set manual fans to 70% they ran at 70% - for me in this version they seem to do their own thing Sad

I think living in Australia doesn't have anything to do with 'Maximus007_Auto_Temperature_control' script Cheesy

I would suggest try V18 and try the above suggested options, there were issues in v17 (I had similar one) so better try v18.

If the issue still persists in V18 share your 1bash with me, i will compare it to mine and see if there is any issue.

EDIT :

Lets give fullzero max time on development getting done for next releases by solving the minor issues ourselves

No worries ill download v18 and give that a shot.  Is there a forum for minor issues such as this one as I agree with your suggestion.

damNmad is right; using v0018 and the updated files from the top of the OP should solve this problem.

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August 11, 2017, 06:17:28 PM
 #2524

hmmmm i think it stay on that power limit, like now i try dual_eth_sc, i set power to 55, but in nvdia-smi i get 55w now seems oK Cheesy
are u lagging on dual_sia after a couple of hours then ang error of temperature cant read?

a pl of 50 will not work as 53 is the minimum pl for a 1050.  If you try to set a pl outside of the acceptable range; no powerlimit will be used.  75 is the max for a 1050; so choose a value >= 53 and <= 75

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August 11, 2017, 06:25:21 PM
 #2525

Ok I was able to root and pull the current specs of my cards.
This is an 4x Gigabyte gtx 10606gb rig.
I have my MC set to 1050 in 1bash and if I'm reading this right it says I'm at a current clock of 8748 with a max of 8754.
How do I get more than a 750 MC increase?



If u want to mine SIGT u have to lower your MemTransferRate and up your nvclock

http://imgur.com/a/yZuOE

Be in root and

nvidia-settings -a /GPUGraphicsClockOffset[3]=value
nvidia-settings -a /GPUMemoryTransferRateOffset[3]=value

U can specify by GPU, like the other command

nvidia-settings -a [gpu:0]/GPUGraphicsClockOffset[3]=value
nvidia-settings -a [gpu:0]/GPUMemoryTransferRateOffset[3]=value

I am mining Eth
Is this what I need to do to get my cards on performance level 3?

I currently have in 1bash
CC=0
MC=950
But it doesn't appear to go past a MC of 750, in the Nvidia xserver it shows level 2 as highlighted and level 0,1,3 as greyed out and level 3 shows the clock that I have set in 1bash.


Also something else I noticed this morning
I have the powerlimit set to 75w right now in1bash.
When I start up everything runs smoothly for about 15 minutes, then one of my cards changes from a PL of 75 up to 125 and my MH/s drops from 161 down to 142.

I tested the rig with the card disconnected and it still has a 15-20 MH/s drop after about 15 minutes.











So is my question/problem to complicated?
Or am I that much of a noob you all just laugh it off and ignore me all together?

I responded to you earlier; see:

https://bitcointalk.org/index.php?topic=1854250.msg20731533#msg20731533

let me know if that works

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August 11, 2017, 06:32:00 PM
 #2526

Hi!
I'm about to build a rig with Pentium G4400.
But after reading about Skylake issues with hyper threading don't know
should I use it or better to return and exchange it with i3?
i have a rig runs 8 cards with G3900, no problem.

I have a rig with G3900 and 10 cards, but it seems that the G3900 is bottlenecking the system. First core uses 100%, the other around 20%.

Is there a way to split the workload on both cores (If I could run EWBF miner in two terminals or is there some other way)?

Can somebody please help me, i'm a noob in linux.


nvOC is a great system. Thanks for all the work.

I tried opening two miners in two screens with some change in 1bash:

screen -dmS minerX1 $HCD --eexit 3 --fee $EWBF_PERCENT --cuda_devices 0 1 2 3 4 --pec --server $ZEC_POOL --user $ZECADDR --pass z --port $ZEC_PORT;
screen -dmS minerX2 $HCD --eexit 3 --fee $EWBF_PERCENT --cuda_devices 5 6 7 8 9 --pec --server $ZEC_POOL --user $ZECADDR --pass z --port $ZEC_PORT;

After the change there are two processes in System monitor, but CPU usage is still the same (100% one core, 20% second core).

Is it possible that System monitor doesn't show the correct CPU utilization?
Will it help if I change the CPU from G3900 to i3 or perhaps i5?

Fullzero, I see You have 13 GPUs on Asrock H110 PRO BTC (I am using the same motherboard). What kind of CPU do you have so that everything is working smoothly?



Using a kabylake i5;

I'm making another 13x rig soon with a g4560; I'll let you know if it works well as well.


Thanks for the info. I will buy an i5. It looks like the G3900 is not strong enough.
Regarding g4560: Is the Intel HyperThreading Bug fixed for ASrock H110 PRO BTC by default?

And thanks for all the work on nvOC and great support by you and all the other forum members.



g4560 works as well.

I don't believe the H110 chipset has the HT bug; but I could be wrong.  I also haven't tested with a skylake CPU.  If one is buying a new CPU for this mobo; I recommend using a Kabylake g4560 or higher as it will unlock 2400 for ram.

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August 11, 2017, 06:38:08 PM
 #2527


yeah I see it i did not think nvidia  did that.

below is somthing that happens with eth and amd
okay  it the card was close to 7mh  = over heat auto down clock

if the is close to 4mh =  the 4mh bug  bascially

power off
plug a monitor into 1st card boot

see what happens   does not work shut down boot again

does not work shut down move monitor to card 2 boot

never saw the 4mh bug with a nvidia card and eth

but I do not use nvidia with eth.





I agree with Phil; that is an AMD problem.  I might have a software fix for that 4mh problem / degrading hashrates on AMD gpus, will include it in the next rxOC.   Wink

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August 11, 2017, 06:39:40 PM
 #2528

How to overclock P106-100 on nvoc? It seems that coolbits didn't work for this gpu's.

I need to test one of these; I will remote connect to another members rig and try to figure it out tonight.

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August 11, 2017, 07:14:37 PM
 #2529

sure mate here it is http://www.linuxfromscratch.org/blfs/view/7.4/postlfs/openssl.html

Hello mate,

do you mind sharing which website you have downloaded  and copied that file (bn.h) in detail (if possible with steps, may help other users too).

Thanks Smiley

One Page back...I sorted the issue by downloading openssl 1.0.1 from their website and copying the "bn.h" after install to \usr\local\include\openssl

It then builds without issue. Hope it helps Smiley


hi guys i try to build.sh this https://github.com/krnlx/ccminer-skunk-krnlx  on terminal but i cant manage to make this ccminer work
can u help me how to use this in nvoc thanks

God Bless us All



Thanks both of you, I've managed to build it too, if any one interested happy to share step by step detail Smiley

How much do u get with this new release on nvOC ?
1070 -i 25 / OC : 120 / MC : -500 / PL : 150 : / TL : 70 ( Autotemp ON, watchdog OFF ) 30.5mh/s

I actually mining on https://pool.mn/sigt/ ( 0.99% fee ) more detailled stats vs no sense stats on suprnova pool ...

On my 8x GPU rig, one of my card us lower them all the other one by 2mh/s, any idea where that come from ?

Last question, i setup OC: 120 / MC: -500 on all GPU, but i dont get same stats for the nvclock ... Why ?

 Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:0]): nvclock=2025, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:1]): nvclock=2025, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:2]): nvclock=1885, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:3]): nvclock=1885, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:4]): nvclock=1999, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:5]): nvclock=1911, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:6]): nvclock=2037, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1
  Attribute 'GPUCurrentClockFreqsString' (m1-desktop:0[gpu:7]): nvclock=1936, nvclockmin=215, nvclockmax=2100, nvclockeditable=1, memclock=3553, memclockmin=3552,
  memclockmax=3552, memclockeditable=1, memTransferRate=7106, memTransferRatemin=7104, memTransferRatemax=7104, memTransferRateeditable=1

As u can see, that only happen on nvclock the memclock is strictly ident

I believe this is the GPUs OC limit:  nvclockmax=2100

and this is the GPUs current clock:

nvclock=2025


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August 11, 2017, 07:18:20 PM
 #2530

Hey all ---

I notice Claymore version 9.8 is available now.  Has anyone tried it to see if it runs any better/faster than version 9.7 Huh

A few folks on bitcointalk.org have indicated a Hash increase of 3-5%, but of course, that doesn't necessarily mean 3-5% increase in shares found...

Thanks in advance!



I will include 9.8 in v0019; for now you can download it and replace the client in the 9.7 folder with the new one to try it out.

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August 11, 2017, 07:23:48 PM
 #2531

wifi mining success!

https://www.youtube.com/watch?v=ZORcM3dwqZA


used this exact panda wifi usb stick http://amzn.to/2fvsTp3

It was a plug and play solution for making nvOC wireless

doesnt any wifi adapter work? i use a wifi adapter on nvoc and it worked fine

Most wifi adapters should work; however you need to check the latency in your connection and ensure it is similar to your rigs that are wired. 

As most wireless adapters are cheap crap; knowing one which works well (at least for VoskCoin) is helpful.

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August 11, 2017, 07:30:57 PM
 #2532

Hi guys now i got this error message mining sigt

"Warning: persistence mode is disabled on this device. This settings will go back to default as soon as driver unloads (e.g. last application like nvidia-smi or cuda ..."

How can i fix that?

And can you share ur experience mining SIGT @ current block and difficulty, Im mining on supernova 120mhs for SIGT for 20hrs (estimate) i got only 57 SIGT and i think this is bad. anyone can help me or advise a better pool?

Thanks again so much

God Bless

You can ignore  persistence mode messages; they are only indicating your GPU clocks are not locked in.


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August 11, 2017, 08:21:23 PM
 #2533

Hey Guys,

Have a problem with loading the OS as it tells me "xorg PROBLEM DETECTED" and then reboots and shows:
error: unknown filesystem
grab rescue>


What can it be and how can I solve this? Used flashing tools as described and tried it at least twice. I am using ASrock h110 and at the moment just one Manli P106-100 card just so I can test if I can install the OS before installing all 13 cards.



I need one or two of the:

P106-100

to test and ensure nvOC will properly support these GPUs.  A number of members have had problems using these GPUs.  If someone is willing to sell me 1 or preferably 2 Please pm me.



I have solved this issue by editing the line "XORG FAIL" to XORG "OK" which worked and the system started, now I have the different problem :

When I run more then 6-7 cards on the board no matter in what miner I either get error 15 " cannot get current temperature " or the system just freezes after in about half an hour or a bit longer and the only thing that helps is to turn off/on the power socket... I have updated the drivers and now trying to wait for it to freeze on 6 cards since it works the longest out of all the set ups I tried. As soon as I try 10 or more GPUs I either get error 15 or just frozen system. I don't think it's one of the cards since I mixed them a couple of times and what I noticed is that it crashes faster as I add more GPUs.

Do you have any idea where the problem can be? I have also 2 PSUs connected together one 600W Zalmann powering motherboard and 2400W HP server PSU which was remade for GPU mining and powers risers and GPUs, both of those seem to be working fine , so I have no idea where to look for solution.

If anyone had this problem please let me know , would be greatly appreciated... Even willing to donate to somebody who's advice will help.

PS. The cards are in stock mode, so it's not OC.

UPD Been pretty stable on 6 cards , have been running for 8 hours now , probably will try and add a couple after a 16-20 hour mark...

If you have another rig, I would try testing each of the GPUs an verifying they work individually; if they all do, then I would get a pico for your server PSU and try using only the server PSU.  If you are using an atx PSU for the mobo and a server psu for everything else without joining them; this can cause problems.

Thanks for your answer.

Unfortunately this is the test rig and I don't have another rig to try each card by itself.  I've been swapping cards in different orders and the error seem to come up with different cards all the time and in different intervals , for example half an hour or just a couple of minutes or even more then 10 hours. Also I've tried different risers at different times, they seem to have no effect on when this error comes up . The PSU's are connected with the board adapter , I've tested each pin connecter on each PSU with a voltmeter and also no problem detected. Sometimes the system freezes straight away and sometimes it takes a couple of hours which as I said doesn't seem to depend on the set up as I've tried around 50 different rotations of risers/videocards. With the same cards and risers it can have different time of error coming up. I also can't use just one server PSU as it doesn't have 2 molexes to connect to the motherboard for additional power supply, only PICO and  8pin for CPU power. I tried to unplug the connector between 2 PSUs and again no affect on when this error comes up.

Could this be software related problem maybe drivers or something else? Also can you advise on the overclocking of these cards as no methods I could find( trying to attach "fake" monitor to each GPU using console and treaking the system) would make any difference on the OC ?

PS. THe PSUs are connected to one power plug adapter which turns them on simultaneously anyway so this shouldn't be any problems in synchronization as the server PSU turns on with ATX at the same time through the WIFI plug I have.

UPD. Been running for about 8-9 hours with 7 cards and still froze after that time... Not really sure what went wrong again as I wasn't present at that time but I suspect it was the same error again.
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August 11, 2017, 08:26:22 PM
 #2534

Does anybody successfully setup a rig with 5+ GPUs (or know someone who has) with the following mobos:

ASRock ATX Z270 Killer SLI/BR (LGA 1151)

Gigabyte GA-990FX-GAMING (AMD AM3+)

They have a good price where I live (the Gigabyte AM3+ is because I have an old Phenom II CPU around, so would save some more money).

Thanks

THE "Z" BOARDS NEED UPDATED BIOS--

They can be tricky for 5+ GPUs.  I don't have one.  I do have several GigaByte 990FXA boards, they need updated BIOS and can be tricky.  Try ASRock H81 Pro BTC v2.0 for a mining board.  They have Intel 1150 CPU sockets.

The Gigabyte 990FXA boards were very difficult with Ubuntu 14.04.1, but loaded Win 7 or 8 with no problem.  Later versions of Ubuntu (14.04.4+) were able to load.  They will work with Sempron CPUs or better, and can unlock an AMD CPU for more cores.  One of my Semprons unlocked to an AMD Athlon XII, the other did not.  I just upgraded that board to an AMD 4350, it mines 24/7 on Win 7 x64 and 5 GTX 960 GPUs.  Getting the 6th GPU to work was too much trouble.  My other GB 990 FXA board has 6 GPUs, Win 7 x64, nVidia 750ti GPUs and an AMD 4350 CPU.  I will again try 6 GPUs on my GTX 960 rig when I get my first GTX 1060.

I don't know if the "6th GPU" problem was heat or lack of CPU power.  The Sempron 145 is single core, it worked in 2013-2014 for early mining algorithms.  Newer algorithms may need more CPU power.  

--scryptr

Thanks for your answer scryptr! So, do you think the ASrock Z270 Killer Sli would work with a BIOS update? I couldn't find many reports of mining rigs with this board, but found one or two (and also a few complaining it didn't work). Its BIOS has the "TOLUD" setting, which I think is similar to the "Above 4G Decoding" setting necessary for 3+ or 4+ GPUs. The Asus Prime Z270-A I know is a sure shot, but much more expensive here...
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August 11, 2017, 09:25:44 PM
 #2535

first off, THANK YOU SO MUCH for this!!!!
my ONLY issue, im running the MSI Z170A GAMING M5, and i have 8 cards connected. (ive tested it on a machine that had 5 cards, and then i added the 6th and it picked up) i took it to our server rack that each machine has 8 cards running and its only picking up 7. is there a quick command fix i can do for this? Or should i start from a fresh copy on a thumb drive?

any help would be greatly apprecaited. If i can get all 8 rigs working with 8 cards id absolutely be in debt to you.


Thanks again!

denellum
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August 11, 2017, 11:02:29 PM
 #2536

While mining SIGT ccminer (https://github.com/krnlx/ccminer-skunk-krnlx) exits every 30minutes or so. Because script runs in screen I can't see the real error. I added -S flag to ccminer to log to syslog and now I see weird thing. Every time ccminer is restarting I see following lines in syslog right at that time. Anyone has a clues what are they and why do they affect ccminer? Thanks.

Code:
Aug 11 18:47:43 m1-desktop ccminer[10732]: GPU #2: GeForce GTX 1070, 27.24 MH/s
Aug 11 18:47:43 m1-desktop ccminer[10732]: accepted: 203/204 (diff 0.418), 84.03 MH/s (yes!)
.... now script exits .... and following lines appear.
Aug 11 18:47:44 m1-desktop systemd[1]: Reloading.
Aug 11 18:47:44 m1-desktop systemd[1]: apt-daily.timer: Adding 2h 53min 56.929734s random time.
Aug 11 18:47:44 m1-desktop systemd[1]: snapd.refresh.timer: Adding 4h 4min 43.642702s random time.
Aug 11 18:47:44 m1-desktop systemd[1]: Started ACPI event daemon.
.... now script starts again ....
Aug 11 18:47:47 m1-desktop ccminer[12403]: Starting on stratum+tcp://sigt.suprnova.cc:7106
Aug 11 18:47:47 m1-desktop ccminer[12403]: NVML GPU monitoring enabled.
Aug 11 18:47:47 m1-desktop ccminer[12403]: 3 miner threads started, using 'skunk' algorithm.
Aug 11 18:47:48 m1-desktop ccminer[12403]: Stratum difficulty set to 1

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gs777
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August 11, 2017, 11:07:41 PM
 #2537

Hi!
I'm about to build a rig with Pentium G4400.
But after reading about Skylake issues with hyper threading don't know
should I use it or better to return and exchange it with i3?
i have a rig runs 8 cards with G3900, no problem.

I have a rig with G3900 and 10 cards, but it seems that the G3900 is bottlenecking the system. First core uses 100%, the other around 20%.

Is there a way to split the workload on both cores (If I could run EWBF miner in two terminals or is there some other way)?

Can somebody please help me, i'm a noob in linux.


nvOC is a great system. Thanks for all the work.

I tried opening two miners in two screens with some change in 1bash:

screen -dmS minerX1 $HCD --eexit 3 --fee $EWBF_PERCENT --cuda_devices 0 1 2 3 4 --pec --server $ZEC_POOL --user $ZECADDR --pass z --port $ZEC_PORT;
screen -dmS minerX2 $HCD --eexit 3 --fee $EWBF_PERCENT --cuda_devices 5 6 7 8 9 --pec --server $ZEC_POOL --user $ZECADDR --pass z --port $ZEC_PORT;

After the change there are two processes in System monitor, but CPU usage is still the same (100% one core, 20% second core).

Is it possible that System monitor doesn't show the correct CPU utilization?
Will it help if I change the CPU from G3900 to i3 or perhaps i5?

Fullzero, I see You have 13 GPUs on Asrock H110 PRO BTC (I am using the same motherboard). What kind of CPU do you have so that everything is working smoothly?



Using a kabylake i5;

I'm making another 13x rig soon with a g4560; I'll let you know if it works well as well.


Thanks for the info. I will buy an i5. It looks like the G3900 is not strong enough.
Regarding g4560: Is the Intel HyperThreading Bug fixed for ASrock H110 PRO BTC by default?

And thanks for all the work on nvOC and great support by you and all the other forum members.



g4560 works as well.

I don't believe the H110 chipset has the HT bug; but I could be wrong.  I also haven't tested with a skylake CPU.  If one is buying a new CPU for this mobo; I recommend using a Kabylake g4560 or higher as it will unlock 2400 for ram.

Hi!
Since Intel H110 chipset is a Skylake 
would it work more stable with Skylake CPU (like Intel Core i3-6100 for example)?

Another thing which confused me - Intel on their page stated that H110 supports Max 6 PCIe lines and doesn't support overcloking (CPU?!)
https://ark.intel.com/products/90590/Intel-H110-Chipset

Can you please share your thoughts on this
chaimroid
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August 12, 2017, 03:43:52 AM
 #2538

I'm trying to mine ZCOIN on Mining Pool Hub. I keep getting "reject reason: low difficulty share of ________". Is there any way to fix this?

Thanks so much!
scryptr
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August 12, 2017, 08:43:08 AM
 #2539

Does anybody successfully setup a rig with 5+ GPUs (or know someone who has) with the following mobos:

ASRock ATX Z270 Killer SLI/BR (LGA 1151)

Gigabyte GA-990FX-GAMING (AMD AM3+)

They have a good price where I live (the Gigabyte AM3+ is because I have an old Phenom II CPU around, so would save some more money).

Thanks

THE "Z" BOARDS NEED UPDATED BIOS--

They can be tricky for 5+ GPUs.  I don't have one.  I do have several GigaByte 990FXA boards, they need updated BIOS and can be tricky.  Try ASRock H81 Pro BTC v2.0 for a mining board.  They have Intel 1150 CPU sockets.

The Gigabyte 990FXA boards were very difficult with Ubuntu 14.04.1, but loaded Win 7 or 8 with no problem.  Later versions of Ubuntu (14.04.4+) were able to load.  They will work with Sempron CPUs or better, and can unlock an AMD CPU for more cores.  One of my Semprons unlocked to an AMD Athlon XII, the other did not.  I just upgraded that board to an AMD 4350, it mines 24/7 on Win 7 x64 and 5 GTX 960 GPUs.  Getting the 6th GPU to work was too much trouble.  My other GB 990 FXA board has 6 GPUs, Win 7 x64, nVidia 750ti GPUs and an AMD 4350 CPU.  I will again try 6 GPUs on my GTX 960 rig when I get my first GTX 1060.

I don't know if the "6th GPU" problem was heat or lack of CPU power.  The Sempron 145 is single core, it worked in 2013-2014 for early mining algorithms.  Newer algorithms may need more CPU power.  

--scryptr

Thanks for your answer scryptr! So, do you think the ASrock Z270 Killer Sli would work with a BIOS update? I couldn't find many reports of mining rigs with this board, but found one or two (and also a few complaining it didn't work). Its BIOS has the "TOLUD" setting, which I think is similar to the "Above 4G Decoding" setting necessary for 3+ or 4+ GPUs. The Asus Prime Z270-A I know is a sure shot, but much more expensive here...

IF YOU HAVE AN AMD CPU, USE IT--

I don't have either board that you are looking at.  I'd go for saving money with the AMD board, because you already have a CPU that is enough for mining.  

If you want to mine, buy a mining board.  The BioStar and ASRock boards designed for mining will give you less trouble with 6+ GPU rigs.  Remember that you will need a huge PSU for 6 GPU cards, unless you are mining on GTX 750ti or RX 460 GPUs.

You seem to know about some of the BIOS settings that are required.  That varies per motherboard, and after the nightmare I had trying to load an early version of Ubuntu 14.04 on the 990FXA, I started buying the less expensive H81 boards with 4 PCIe slots.  A sturdy 4 card rig was easier to manage; the motherboard cost $50 plus a $40 Celeron.

--scryptr

TIPS:  BTC - 1Fs4uZ6a9ABYBTaHGUfqcwCQmeBRxkKRQT
          DASH - XrK81tW31SLsVvZ2WX9VhTjpT6GXJPLdbQ
IAmNotAJeep
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August 12, 2017, 12:02:40 PM
 #2540

Hey Guys,

Have a problem with loading the OS as it tells me "xorg PROBLEM DETECTED" and then reboots and shows:
error: unknown filesystem
grab rescue>


What can it be and how can I solve this? Used flashing tools as described and tried it at least twice. I am using ASrock h110 and at the moment just one Manli P106-100 card just so I can test if I can install the OS before installing all 13 cards.



I need one or two of the:

P106-100

to test and ensure nvOC will properly support these GPUs.  A number of members have had problems using these GPUs.  If someone is willing to sell me 1 or preferably 2 Please pm me.



I have solved this issue by editing the line "XORG FAIL" to XORG "OK" which worked and the system started, now I have the different problem :

When I run more then 6-7 cards on the board no matter in what miner I either get error 15 " cannot get current temperature " or the system just freezes after in about half an hour or a bit longer and the only thing that helps is to turn off/on the power socket... I have updated the drivers and now trying to wait for it to freeze on 6 cards since it works the longest out of all the set ups I tried. As soon as I try 10 or more GPUs I either get error 15 or just frozen system. I don't think it's one of the cards since I mixed them a couple of times and what I noticed is that it crashes faster as I add more GPUs.

Do you have any idea where the problem can be? I have also 2 PSUs connected together one 600W Zalmann powering motherboard and 2400W HP server PSU which was remade for GPU mining and powers risers and GPUs, both of those seem to be working fine , so I have no idea where to look for solution.

If anyone had this problem please let me know , would be greatly appreciated... Even willing to donate to somebody who's advice will help.

PS. The cards are in stock mode, so it's not OC.

UPD Been pretty stable on 6 cards , have been running for 8 hours now , probably will try and add a couple after a 16-20 hour mark...

If you have another rig, I would try testing each of the GPUs an verifying they work individually; if they all do, then I would get a pico for your server PSU and try using only the server PSU.  If you are using an atx PSU for the mobo and a server psu for everything else without joining them; this can cause problems.

Thanks for your answer.

Unfortunately this is the test rig and I don't have another rig to try each card by itself.  I've been swapping cards in different orders and the error seem to come up with different cards all the time and in different intervals , for example half an hour or just a couple of minutes or even more then 10 hours. Also I've tried different risers at different times, they seem to have no effect on when this error comes up . The PSU's are connected with the board adapter , I've tested each pin connecter on each PSU with a voltmeter and also no problem detected. Sometimes the system freezes straight away and sometimes it takes a couple of hours which as I said doesn't seem to depend on the set up as I've tried around 50 different rotations of risers/videocards. With the same cards and risers it can have different time of error coming up. I also can't use just one server PSU as it doesn't have 2 molexes to connect to the motherboard for additional power supply, only PICO and  8pin for CPU power. I tried to unplug the connector between 2 PSUs and again no affect on when this error comes up.

Could this be software related problem maybe drivers or something else? Also can you advise on the overclocking of these cards as no methods I could find( trying to attach "fake" monitor to each GPU using console and treaking the system) would make any difference on the OC ?

PS. THe PSUs are connected to one power plug adapter which turns them on simultaneously anyway so this shouldn't be any problems in synchronization as the server PSU turns on with ATX at the same time through the WIFI plug I have.

UPD. Been running for about 8-9 hours with 7 cards and still froze after that time... Not really sure what went wrong again as I wasn't present at that time but I suspect it was the same error again.

I experienced something similar when I was building 2psu rigs, except in my case it would be the same GPUs causing the problems, if I took all the problematic cards out and built a smaller rig (1PSU) just out of the "unstable" GPUs, they gave no issues and were stable for days. My conclusion was that the problem were 2 psu setups. In the end I managed to get one of the 2 double PSU rigs stable with 11 cards, the other I simply swapped for one 1200W psu and problems went away, all the other 1 psu rigs that came into being with what I thought were defective cards, are stable and "set it and forget it".
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