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Author Topic: [Cast XMR] high speed XMR/CryptoNight miner for RX Vega GPUs (2 KHash/s)  (Read 181864 times)
AlexanderDumas
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November 27, 2018, 04:16:39 PM
 #3101

Hi!

I have a Ryzen 1700+Vega 56 on a MSI x370 Carbon Pro Gaming, recently reformated with Windows 10 version 1809, latest mother drivers + Radeon 18.6.1

I have a strange problem. If I start Windows and run Cast right away I get 1750H/s. If I leave it alone for a couple of minutes (?) and then I start Cast again, I get ~1100H/s. I have to restart Windows or suspend/resume Windows to get 1750H/s again.

Is there a way to fix this? Or maybe restart the driver without the need of restarting Windows or suspending/resuming? It's not a Cast problem because I get the same problem with other GPU miners (but not with CPU miners).
I do not want to sound like an axxole, but the causes could be many, and at this point in time with the mining gig so depressed, I doubt you will find anybody with the energy and time to spare and tell you more than what I am going to tell you now:
It is apparent that you use your PC for gaming and that is fine, I would stick to that and not worry about 200 hashes. Also because with one card only, you are scrapping pennies per day.
We all went through a lot of troubleshooting which most of it is documented on this thread and you may have to dig it out.
Most of us who run a stable and well performing rig, have a system dedicated with settings suitable only to mining.

I give you 2 tips: check if the gpu temperature stays below 70 celsius, because when it goes above 70c sometimes it throttle down or the driver reset itself to specs overclocking on order to protect the card. In that case you need to improve ventilation or GPU fan speed.
Then check on your MB BIOS if the GPU setting is on GEN1 or GEN2, which are the best settings for mining. Normally by default the MB are delivered on AUTO. Having  MB GPU settings on AUTO normally make the miner decrease HS rate or simply crash.

Then here is the best thing to read on mining with a VEGA.
http://vega.miningguides.com/


Good luck!
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djago
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November 27, 2018, 07:10:38 PM
 #3102

Hi!

I have a Ryzen 1700+Vega 56 on a MSI x370 Carbon Pro Gaming, recently reformated with Windows 10 version 1809, latest mother drivers + Radeon 18.6.1

I have a strange problem. If I start Windows and run Cast right away I get 1750H/s. If I leave it alone for a couple of minutes (?) and then I start Cast again, I get ~1100H/s. I have to restart Windows or suspend/resume Windows to get 1750H/s again.

Is there a way to fix this? Or maybe restart the driver without the need of restarting Windows or suspending/resuming? It's not a Cast problem because I get the same problem with other GPU miners (but not with CPU miners).
I do not want to sound like an axxole, but the causes could be many, and at this point in time with the mining gig so depressed, I doubt you will find anybody with the energy and time to spare and tell you more than what I am going to tell you now:
It is apparent that you use your PC for gaming and that is fine, I would stick to that and not worry about 200 hashes. Also because with one card only, you are scrapping pennies per day.

No, I use it for mining and a bit of web browsing. And I'm not going down by 200 hashes, but 550. And Every penny here is worth mining because devaluation here has took a big hit on us and even with current "mining gig so depressed" it's still profitable here.

We all went through a lot of troubleshooting which most of it is documented on this thread and you may have to dig it out.
Most of us who run a stable and well performing rig, have a system dedicated with settings suitable only to mining.

I had it. But then I had to reformat and install Windows+drivers+miners again and the problems arose.
It's not that the card can't mine. If I start the computer and put it to mine right away, it gets a almost constant 1750H/s. But if I wait for a couple of minutes or I stop the miner and run it again later, it drops to an almost constant 1100H/s
I've tried looking not only in this thread, but on many other forums. And because this is a problem with any AMD miner, I've asked in other forums.

I give you 2 tips: check if the gpu temperature stays below 70 celsius, because when it goes above 70c sometimes it throttle down or the driver reset itself to specs overclocking on order to protect the card. In that case you need to improve ventilation or GPU fan speed.

I've configured to be t 68c and it stays there...

Then check on your MB BIOS if the GPU setting is on GEN1 or GEN2, which are the best settings for mining. Normally by default the MB are delivered on AUTO. Having  MB GPU settings on AUTO normally make the miner decrease HS rate or simply crash.

I'll look at it. One of the things I've done prior formatting is to update BIOS. Maybe that setting has changed.
But remember: miners go OK for DAYS if I start it right away or don't leave it alone. Also restarting or suspending/resuming cure the illnes.

Then here is the best thing to read on mining with a VEGA.
http://vega.miningguides.com/

Many thanks! I'll check there too!!

Good luck!
I'll need it...   Cry
Juniormkl
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December 02, 2018, 11:19:37 AM
 #3103

Cast-XMR 1.6.6 added to https://www.minermonitoring.com/



Join our discord https://discord.gg/aGGaeqq



also, you can check the speed of the miner on different rigs using the benchmark page: https://minermonitoring.com/benchmark
twofreckles2
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December 02, 2018, 04:18:20 PM
 #3104

When I run miner from command line -under ubuntu -  with

./cast_xmr

I got error saying no pool and address specified (but file run.sh) is inside same folder. Of course I can add arguments in command line however it is pain in the ass when you want to run multiple rigs. How to read settings from run.sh ?



And another question is there a way to autodetect how many GPUs running? -G parameter aint' good for multiple rigs as rigs can have different number of GPUs.
FoxByte
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December 10, 2018, 07:07:16 PM
 #3105

Hello,

Am noticing an issue after upgrading to Cast XMR 1.6+....after running for several minutes (sometimes as long as an hour) the hashrate on my rigs (4xRX Vega 56) will drop by 30%.  In tandem with this drop, the miner will report at least one "network error."  Other AMD rigs I have running the same version of Cast XMR (but 10xRX 580's) are unaffected as are any NVIDIA rigs.  I have played for a long time with the overclocking settings on the RX Vega 56's, and nothing seems to help with this issue.  When the rigs with the RX Vega 56's "hiccup" the network error they drop from roughly 1500 H/s to 1200 H/s.  Have also tried the Adrenaline 18.5.1, 18.11.1, and 18.12.1 with the same results. 

Conclusion I am coming to at this point is that there is a bug in version 1.66 which causes the RX Vega 56's to "downshift" if there is a network error...is anyone else seeing the same behavior?
FoxByte
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December 11, 2018, 09:56:23 PM
 #3106

As a follow up to this post, I am mining Haven.  Some additional observations -

I am seeing this same behavior with all my RX Vega 56 cards, doesn't matter what vendor or in what machine they are installed.  Interestingly, in one machine I have both Vega 56's and RX 580's installed.  When the "issue" occurs, only the Vega 56's hashrate drops....RX 580's are unaffected. 

Hello,

Am noticing an issue after upgrading to Cast XMR 1.6+....after running for several minutes (sometimes as long as an hour) the hashrate on my rigs (4xRX Vega 56) will drop by 30%.  In tandem with this drop, the miner will report at least one "network error."  Other AMD rigs I have running the same version of Cast XMR (but 10xRX 580's) are unaffected as are any NVIDIA rigs.  I have played for a long time with the overclocking settings on the RX Vega 56's, and nothing seems to help with this issue.  When the rigs with the RX Vega 56's "hiccup" the network error they drop from roughly 1500 H/s to 1200 H/s.  Have also tried the Adrenaline 18.5.1, 18.11.1, and 18.12.1 with the same results. 

Conclusion I am coming to at this point is that there is a bug in version 1.66 which causes the RX Vega 56's to "downshift" if there is a network error...is anyone else seeing the same behavior?

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