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Author Topic: Can't run guiminer and GPU-z or CCC at the same time  (Read 1283 times)
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June 16, 2011, 08:21:19 PM

Whenever I start mining with guiminer and then start up GPU-z, my computer will instantly freeze and require a hard reboot. Conversely, if I start up GPU-z first and then click "start mining" on guiminer, it will do the same.

More importantly, I have the same issue with the Catalyst Control Center. But, it's even worse: If I make some modification from the default (such as set a manual fan speed), then close the program, and then start mining, it will crash.

Because of this, I cannot adjust fan speed while (or before) mining, and I will probably not be able to OC my cards. This also means I cannot monitor temps while mining. I've been able to do a bunch of other things during mining though, including web browsing. Also, I've been able to mine for a couple hours now without touching GPU-z or CCC.

I have not tried a third-party program like MSI afterburner yet.

I'm running 2 6970's (crossfire enabled) with a 1000W psu.
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July 05, 2011, 11:54:49 PM

Yes im running into same problem and have yet to solve it completely.

The only way i can get it to work is to uninstall any CCC apps.

Delete and reinstall video card drivers.

Install OpenCL driver only from amd site.

optional install of gpu-z

Basically when these items are running side by side the system freezes up. I belive CCC is in startup/running in background and always freezes when miner starts.

Im going to keep testing and post when i figure it out

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July 06, 2011, 12:26:22 AM

I have the same issues with my 6950's.. any ATI or GPUid app hard locks the PC immediately if GUIminer is running (along with playing -any- video, web browsing etc).  
pbj sammich
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July 06, 2011, 01:44:22 AM

It's a none 69XX card OpenCL issue, hopefully it will get fixed sooner or later

There really is no way around it but if you open gpu-z first then start your miner it won't crash...

Although hitting any flash site whilst browsing will still lock it up
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