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    GPU Mining Drooooooollll

    June 04, 2019

    GPU Mining Drooooooollll

    Drooooooollll

    Posted: 04 Jun 2019 07:01 AM PDT

    Contribute your computing power and earn RLC. Community event for the iExec Worker Pool: significant increase of available tasks as on Wednesday 5th.

    Posted: 04 Jun 2019 04:38 AM PDT

    What do you think about FPGA mining in comparison of GPU mining?

    Posted: 04 Jun 2019 02:38 AM PDT

    I used to be a GPU miner enthusiast. Recently, I just started with FPGA mining. After finding the margin of GPU mining is getting down, I jumped to FPGA mining. I've been trying this for few months, the ROI is not bad.

    What do you think about using FPGA miner to mine cryptocurrency?

    I found a lot of information about FPGA mining on this website. I found it really useful and post here for sharing.

    https://fpga.guide/en/guides/

    submitted by /u/topfifazone
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    Mining Rig Diagnosis

    Posted: 03 Jun 2019 08:28 AM PDT

    I've recently purchased a mining rig and managed to get it working correctly after a bit of tinkering. After this, I bought 2 Radeon Vega 56's which have subsequently made the system unusable.

    I was able to achieve 28mH/s on Ethereum and 850H/s on Monero using the rx560s only. Everything was running fine until I attempted to add the Vega's.

    I have used almost every miner under the sun and they all crash at various different points when the Vega's are inserted. Once the load LED's on the Vega's reach between 3/4 and full load the system freezes and needs to be restarted.When the rig freezes the fans on the Vega's max out, and sometimes they pump out a burst of air in the seconds leading up to a system freeze. Also there has been one single occasion where I got the rig stable for around 4 hours mining Ethereum at 110mH/s, however this was not able to be repeated.

    I've ran GPU intensive games on the cards and they work fine under high load, so this is a mining specific error.

    I'm unsure whether the cards I bought are innately faulty (I called tech support for the company I bought them from and they told me crashing under load could be a known problem with older Vega's) or I broke them by accident as I, stupidly, flashed the bios to that of a vega 64 almost immediately. I have flashed the cards back to the original bios and they still do not work.

    The rig is comprised of:

    • Motherboard: ASrock H110 Pro BTC+
    • CPU: Intel Celeron g3930
    • GPUs: 2x Powercolour Radeon rx560 4Gb; 2x MSI Air Boost Vega 56 8Gb
    • PSU: 80 Plus Gold rated 1650w
    • RAM: 2x 4Gb Crucial DDR3
    • SSD: 120Gb Kingston A400

    Troubleshooting Steps Tried/Additional Information:

    • Complete reinstall of windows: rx560s work correctly up until Vega's are added to the system. After Vega's have been added and then subsequently removed rx560s also crash the system.
    • Multiple driver versions. Blockchain beta drivers, latest adrenalin drivers, and older adrenalin drivers do not yield different results.
    • Different PCI risers. The rig came with 8 risers and none make a difference.
    • Sequentially adding Vega's: Using absolutely any combination of the cards still leads to crashing. Running HDMI video out from either of the Vega's results in screen flickering and sometimes complete screen cut outs.
    • Large pages are enabled, virtual memory is at 64Gb.

    Any help at all is appreciated/any troubleshooting steps I should try. I have another 2 weeks to return the cards and get a refund/new cards. If additional information is needed to assist me let me know and I'll provide it.

    Apologies if this is a bit rambly, TL;DR: original rig worked fine, adding Vega's causes freezing/crashing when they reach high load.

    ​

    EDIT:

    Mining Software Tried:

    • Claymore Miner (3 most recent versions; worked for Ethereum initially, and had the 4 hour spell of Vega stability. No longer working).
    • XMR-stak (Crashes after logging into pool)
    • XMRig (Crashes almost immediately, didn't troubleshoot this one as well I was very annoyed after this failed)
    • Multi Pool Miner (Worked correctly using rx560s, failed with Vegas, after Vega removal rx560s do not work)

    Overclocking: None

    submitted by /u/affyaff
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