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Author Topic: x11 mining help  (Read 791 times)
cmontanha
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May 20, 2014, 10:43:08 PM
 #1

Hi guys.

There is a problem with my x11 mining and ive been strugling for days to solve it without any positive result.

The problem is after a small amount of time, I start getting a lot of rejected shares (around 30%)

Will try to describe what Ive done:

- tried several miners. Im now using the miner provided in the DRK thread.
- tried without setting, setting only I (13,18,19,20), tried with full settings I found around the internet.
- instaled new AMD drivers (v14.14) (had 13.12)
- tried with only GPU at a time.

When does it happens? Always! No matter what pool im connected or what x11 coin Im mining. It always happens, always did.

Im using the right kernel and I always delete .bin after any change.

Ive noticed something weird too: sgminer looks freezed when it starts. Normally on the miner it has a "natural flow" of accepted / rejected shares going down the command line. In here it freezes for 2/3 mins and then it shows everything at once.

I dont know whatelse I could do so i would appreciate if someone could help me.

Thank you very much
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cmontanha
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May 21, 2014, 08:18:29 AM
 #2

All that was tried already. Tried several TC and memclocks
cmontanha
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May 21, 2014, 09:22:42 AM
 #3

Right this moment the config that gives me less rejected shares (around 20%) is:

del *.bin
sgminer -k darkcoin -o stratum+tcp://XXX -p XXX -I 19 -w 256 -g 1 --lookup-gap 2 --thread-concurrency 8192,8192,8192,8192 --gpu-memclock 1500,1500,1500,1500 --gpu-engine 1175,1175,1175,1175

GPUs are R9280X from Asus

Thank you
cmontanha
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May 21, 2014, 09:31:27 AM
 #4

Already tried g 2, g 4, w128 and the combinations between them
trader001
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May 21, 2014, 09:49:20 AM
 #5

Does anyone have a mining guide for x11?
amacar
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May 21, 2014, 02:04:25 PM
 #6

Right this moment the config that gives me less rejected shares (around 20%) is:

del *.bin
sgminer -k darkcoin -o stratum+tcp://XXX -p XXX -I 19 -w 256 -g 1 --lookup-gap 2 --thread-concurrency 8192,8192,8192,8192 --gpu-memclock 1500,1500,1500,1500 --gpu-engine 1175,1175,1175,1175

GPUs are R9280X from Asus

Thank you

Mine configuration (-d 0 is 280X, -d 1 is 270)


Code:
color 0F
sgminer -k darkcoin -d 0,1 -o stratum+tcp://pool -u user -p pass --thread-concurrency 11200,21568 -I 13,19 --gpu-engine 1100,1200 --gpu-memclock 1500,1500 -w 256 -g 2,1 --no-submit-stale --lookup-gap 2 --failover-only -o stratum+tcp://poolBackup -u user -p pass
cmontanha
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May 21, 2014, 02:09:38 PM
 #7

Will try that later tyvm
Pinecone
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May 21, 2014, 09:57:18 PM
 #8

I have two powercolor 280x's.  Here's my stable x11 config.  The lower gpu engine one is Elpida and the higher a Hynix card.


c:\sgminer.exe --kernel darkcoin --auto-fan -I 19,19 --thread-concurrency 11200,11200 -w 256,256 -g 1,1 --temp-target 70,70 --temp-overheat 80,80 --temp-cutoff 90,90 --gpu-powertune 20,20 --gpu-engine 1010,1090 --gpu-memclock 1500,1500

Hope it helps some....

BURST-EYZ9-2NHP-VN4T-72RU4
cmontanha
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May 21, 2014, 11:33:29 PM
 #9

Both dont work. Looks like rejection town
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