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Author Topic: Weird Ubuntu Issue - Gpu at 50%?  (Read 886 times)
bitcanada
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May 13, 2011, 03:24:21 PM
 #1

Hi All,

I tried yesterday to setup a mining rig with 2 x 5850, using ubuntu 11.04, got this weird issue. when I use only 1 gpu, I get 100% utilization, but when I try to use 2, each only runs at 50%. crossfire is disabled and I'm using phoenix:

aticonfig --odgc --adapter=all

Adapter 0 - ATI Radeon HD 5800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    725           1000
             Current Peak :    725           1000
  Configurable Peak Range : [550-900]     [900-1250]
                 GPU load :    49%

Adapter 1 - ATI Radeon HD 5800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    725           1000
             Current Peak :    725           1000
  Configurable Peak Range : [550-900]     [900-1250]
                 GPU load :    49%


aticonfig --odgc --adapter=all

Adapter 0 - ATI Radeon HD 5800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    725           1000
             Current Peak :    725           1000
  Configurable Peak Range : [550-900]     [900-1250]
                 GPU load :    97%

Adapter 1 - ATI Radeon HD 5800 Series
                            Core (MHz)    Memory (MHz)
           Current Clocks :    157           300
             Current Peak :    725           1000
  Configurable Peak Range : [550-900]     [900-1250]
                 GPU load :    0%


Any ideas?  Huh


Thanks!! :-)
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trentzb
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May 13, 2011, 03:34:36 PM
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What driver/sdk pair are you using?
bitcanada
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May 13, 2011, 05:56:19 PM
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2.4 driver and 2.3 sdk Smiley
Laminator
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June 03, 2011, 02:25:45 PM
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Hi All,

I tried yesterday to setup a mining rig with 2 x 5850, using ubuntu 11.04, got this weird issue. when I use only 1 gpu, I get 100% utilization, but when I try to use 2, each only runs at 50%.
I've got the same problem. Did you solve it?
SicKk
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June 03, 2011, 04:56:13 PM
 #5

hey m8,

I had also that kind of problem , but i've somkinda managed it that my 2 gpu's are up to ~99%

http://forum.bitcoin.org/index.php?topic=10634.0
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