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Author Topic: Ubuntu Stops Mining - Screen Goes Black  (Read 1142 times)
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June 22, 2011, 10:03:50 AM
 #1



I'm new to linux. I loaded Ubuntu 11.04, and then set up the mining rig using these instructions:
http://forum.bitcoin.org/index.php?topic=7514.0

I did choose to install the SSH option just in case I use it later... figured it would not hurt to have the option installed for some later time I might experiment with it.

Symptoms:
I start up Ubuntu. Open a terminal and run one of the four miner instances (two for each 6990 card). I open another terminal window and set the fan speed to 60%.
I would open another terminal window and start another miner.. etc.. All would be cooking along fine. However, after a bit of time [and this is true even if I was ruinning only a single miner instance] the screen goes black, the fans slow down... apparently the miners stop mining. A couple times it seemed to happen when I moved or touched the keyboard or mouse. But that could be coincidental..but does seem suspiciously connected somehow. My keyboard and mouse are fine. So, the whole screen goes black, but there is a cursor at the left top and I can type stuff...but it doesn't do anything expect show what I typed. It's not the terminal...it's some other kind of mode. CNTRL+ALT+DEL reboots it. What is that black screen anyway?

I end up having to reboot each time... start miners...and [soon thereafter] it all shuts down again to the black screen of...frustration. Tongue

System:
Anthlon II X...
Two 6990's....

Anyone have any idea's on what is wrong?
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June 22, 2011, 10:13:48 AM
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Lower the clock of the GPUs by fraction of 10 until the problem stops! Else you need to open your card, clean all the thermal paste and apply a new one (Nano thermal paste)!

1LQBkdUjMyjjGxob2ggWu52DKYJgp3NXXC
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