Quote from: jebidia on June 21, 2019, 03:40:47 PM

Quote from: bakermining76 on June 21, 2019, 05:24:47 AM

Quote from: jebidia on June 21, 2019, 04:19:07 AM

Hi all,

Been racking my brain for weeks trying to figure out why my 2080 ti's crash mining grin31...I have a couple machines with 1080ti's and they run wonderfully, but this machine has 3 cards, 1 x 1080ti and 2 x 2080ti's and within a min or so of firing up the miner one of the 2018ti's crash - fans go to full bore and 0's show in afterburner. The machine is quite powerful with an 8 core cpu and 64 GB of RAM. I've got VRAM set to 80GB, my machines with 6 x 1080ti's runs great with 70GB...Power supply is probably on the edge at 850 watts, but I monitor the usage and run the cards at 65%..And the wattage stays below 700 ish on the machine...I've uninstalled drivers, swapped cables, tried different drivers, lowered the clocks...Any tips on what else I could try would be greatly appreciated. It will mine x16r for weeks without an issue...It's not just this miner, it's all miners for grin31, but I posted here because this miner is the best which means this thread probably has some real smart folks...

Are you using SMOS? Have you tested it without the 1080ti? I had this issue in February when I tried to run a rig with two 20-series cards (2080ti + 2070) and four 10-series cards (1080ti x2 + 1080 x2) on SMOS. I tried every configuration I could come up with and every time a 20-series card was mixed with a 10-series card, the fan on one or more of them wouldn't work right and that(those) card(s) would crash. I had to split the rig, which added 40-50W, but back then it was still more profitable in my situation to run the 1080s on Grin31 instead of Grin29. When you consider the extra electricity, it is now more profitable for me to run all the cards on one rig using Windows and just have the 2070 and two 1080s mining Grin29. I have no real technical expertise here and no idea if this is just an SMOS issue or more broadly a Linux issue.

Thanks for the reply...I should of mentioned these are Windows 10 machines...I did try running it on just the 2080ti's but no luck...the other machines with no 20180ti's have 0 issues...So strange. I've swapped risers and cables...Might be the power supply but it runs so many other algos without issue...I've tried running them at 50% and still they crash. I'll try like you said, run Grin31 on the 1080ti and 29 on the 2080ti's

Okay. In that case, if you have another power supply, I'd try it because the power usage on Grin jumps around alot, but I would think it would run a little bit before that caused an issue. Hopefully you can get it figured out.