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Author Topic: Miner Running, but No Shares?  (Read 516 times)
tvynr
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February 05, 2013, 06:38:56 PM
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I just set my little mining rig back up after a year of downtime.  I'm having some strange trouble making progress, though.  It's a Debian Wheezy box and OpenCL is running properly; poclbm and cgminer both report ~175Mh/s from my 5750.  But I never seem to register any shares, which strikes me as odd.  I've tried both poclbm and cgminer on both Slush and Eligius; both times, the miner ran for a couple hours and I scored nothing.  Does anyone have any idea what I might be doing wrong?  Everything seems fine, except that the shares are neither accepted nor rejected.  Please see the following output from cgminer for an example:

Code:
[2013-02-05 13:37:39] (5s):187.8M (avg):178.2Mh/s | Q:23  A:0  R:0  HW:0  E:0%  U:0.0/m

That line is after about 20 minutes of runtime.  Does anyone have any thoughts?
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February 05, 2013, 07:37:17 PM
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Did you checked the shares on the pool website? Check your worker there
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February 05, 2013, 08:46:07 PM
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I did check both pools' websites; I my worker showed no shares completed.  Sad

I was using the AMD APP SDK v2.1 to do my mining.  I tried upgrading to v2.4.  Unfortunately, cgminer built on this machine under v2.4 produced a segmentation fault; poclbm, meanwhile, kept claiming that PyOpenCL was not available (despite the fact that it was fine before).  By happenstance in mucking about with the environment variables, I accidentally got things running... but it's not pretty.  cgminer still won't work, but poclbm will run if I set LD_LIBRARY_PATH to the v2.1 SDK but set the ATISTREAMSDKROOT to the v2.4 SDK.  I'm not sure why this strange hybrid environment is working, but it is.  Unfortunately, it's working at a reduced hashing speed: 167MH/s instead of 175MH/s.  I'll live with that for now.

Also, cgminer was behaving strangely; I tried to use "-k" to set the kernel but it ignored that flag and went with phatk (which it then complained about because it seemed to think I was running SDK v2.6, which I hadn't even downloaded).  Fun times.  :-P
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