Quote from: cryptovski on November 05, 2017, 05:05:04 PM

I had that behaviour when moved to claymore v10.2 but, to be honnest I had a superior speed with it. Like you, sometimes the miner restart and stay freezed at 0H/s as well. The only way of getting out of this state was rebooting the whole rig. And by rebooting, i mean shutting it off, wait 2-3s in power-off and then rebooting. Lowering the "-h" parameter bring more stability to the system. So, my current onfiguration is:

Cards: RX580-4G,RX580-4G,RX580-4G,RX570-8G,RX570-8G,RX580-4G,RX580-4G,RX580-4G,RX580-4G,RX480-4G

Claymore command line to XMR mining:
-xpool stratum+ssl://xmr-eu1.nanopool.org:14433 -xwal XMR_ADDRESS/$rigName/your@email.com -xpsw x -mport -3333 -h 850,850,850,1700,1700,850,850,850,850,850

As you can see, you can pass to the miner a comma separated values in that each one is to a specific card from my list above. For reference, the default "-h" value for the 4Gigs cards is "900" and "1800" for the 8Gigs.

My current frequencies for each card are:
CORE: 1200,1200,1200,1200,1200,1200,1200,1200,1200,1200
MEM: 2000,2000,2000,1900,1900,2000,2000,2000,2000,2000

XMR - Total Speed: 6948 H/s, Total Shares: 1340, Rejected: 0, Time: 06:43 |
XMR: GPU0 715 H/s, GPU1 715 H/s, GPU2 715 H/s, GPU3 686 H/s, GPU4 649 H/s, GPU5 712 H/s, GPU6 715 H/s, GPU7 713 H/s, GPU8 713 H/|
s, GPU9 615 H/s

Hope this help

Can anyone confirm what's the "-h" is doing behind the scenes? and why lowering it a bit bring more stability?

Just wanted to update. I tried lowering the -h value on my rigs. I have three different setups:

6x RX570 4G - these are at 1200/1750/1000mV -h 850 -> These have been stable for last 24h, no resets

11x RX570 4G - these are at 1200/1750/1000mV -h 850 -> These have reset 2-4 times over last 24h - Going to test -h 800 to see if I can get better stability

11x RX580 8G - these are at 1200/2000/1000mV -h 1700 -> These have reset 1-2 times over last 24h - Going to test -h 1600 to see if I can get better stability

For the RX570 4G cards, I'm hashing at 644, for the RX580 8G cards, I'm hashing at 733. I'm not sure why the RX570 4G have been stable but the RX580 8G have not. Hopefully this next test shows a better result.

I'm not sure if there's a way to increase the virtual memory on SMOS. My rigs use 8G of physical RAM (tho I just realized that both my 6x and 11x rigs both are using 8G of RAM so maybe I should increase my 11x rigs to 16G of RAM). I'm not using SSDs either, SMOS is being booted from a 16G 3.0 USB drive. I'm not sure if 16G of physical RAM would increase stability as I used to mine Ethereum with these rigs and they have been stable with far more aggressive settings. The RX570 4G were at 1150/1750/950mV and the RX580 8G were at 1150/2100/950mV and the systems were stable for 100+ hours with no resets.

Cheers,

noobminer001

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