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Author Topic: Missing right khash power will tip for help  (Read 1349 times)
lazydna
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June 13, 2013, 02:26:04 AM
 #21

Today randomly my miner got disconnected which has happened many times but after I closed it the bat file would not open anymore.

Not sure what the reason was but anyway I downloaded guiminer again and set up my bat file like
cgminer.exe --scrypt -o stratum+tcp://netcodepool.org:3333 -u xxxxx -p xxxx -d 0 -d 1 --thread-concurrency 8192 --shaders 2048 --intensity 13 --worksize 256 -g 2

I am running 2 7970s and before my gpu 0 got 750 khash and now for some reason it seems to bounce around the 600 range. Not sure how to fix it? I have my clock at 1080 and memory at 1500. I use catalyst to change my gpus and havent touched the settings.

Really frustrating even though its juyst 100 khash its still a pain. Please h elp me!

looks like your gpu crashed and internally downclocked. did you get alot of HW's before?
i suppose you rebooted and that didn't fix it?

vindimy
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June 13, 2013, 07:13:58 AM
 #22

Still not working this really sucks. I guess I will try to set up the config file but it sounds complicated.

There's nothing complicated, it's just a text file..

litejar
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June 13, 2013, 05:17:57 PM
 #23

Today randomly my miner got disconnected which has happened many times but after I closed it the bat file would not open anymore.

Not sure what the reason was but anyway I downloaded guiminer again and set up my bat file like
cgminer.exe --scrypt -o stratum+tcp://netcodepool.org:3333 -u xxxxx -p xxxx -d 0 -d 1 --thread-concurrency 8192 --shaders 2048 --intensity 13 --worksize 256 -g 2

I am running 2 7970s and before my gpu 0 got 750 khash and now for some reason it seems to bounce around the 600 range. Not sure how to fix it? I have my clock at 1080 and memory at 1500. I use catalyst to change my gpus and havent touched the settings.

Really frustrating even though its juyst 100 khash its still a pain. Please h elp me!


I had the same type of scenario happen to me a few months back.. I have a rig with 5x sapphire 7970's which all ran the settings you stated @ ~720kh.. Machine went down 1 night, I fired it up the next morning and it could not pull anymore than ~580kh per card.. The only way I got it back to ~700 (and still running to this day) was switching with -g 1 and TC of 20992 .. Not sure what happened to make these cards switch to start wanting a high TC instead of 2 gpu threads.

Goodluck!

Hey litejar can you please explain what exactly you did to fix it? I'm not really sure how to change it like you specified. also please add your ltc address



All I really had to do was change the "Thread Concurrency" , "GPU Threads" and "Intensity" to get back to ~700+.. so using the command you stated earlier, it would look like the following with the changes I had to make:

cgminer.exe --scrypt -o stratum+tcp://netcodepool.org:3333 -u xxxxx -p xxxx -d 0 -d 1 --thread-concurrency 20992 --shaders 2048 --intensity 20 --worksize 256 -g 1

I personally couldnt get cgminer to fire up 5x7970's without giving the max memory buffer error, so I as well switched to guiminer and run 1 card per instance.. (You might not have this cgminer/guiminer issue, depends on amount of cards/amount of memory)

If it fixes your problems, no worrys on the LTC tip buddy..

Goodluck!




ccs5t (OP)
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June 17, 2013, 05:36:06 AM
 #24

Thank you all for the help. Really frustrating issue. Seems Gpu1 is working now as the hash is near 700 on 1000 1500. GPU 0 still seems to be bugged as i am only getting around 620 hash and its on 1080 1500. Not sure what sup
ccs5t (OP)
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June 17, 2013, 05:43:07 AM
 #25

Blah I seem to have gotten it working again. For some reason 1080 1500 stopped giving me the proper hash now 1050 1500 works better? Really weird this would randomly happen
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