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Author Topic: PC freezes while mining and trying to watch a (flash) video  (Read 1276 times)
lechuck
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June 15, 2011, 05:17:51 PM
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hello,

im having a very weird issue while mining - whenever i let the miner run and try to watch a video on youtube or ted or any other site that uses flash video, the pc freezes up the instant the video starts. i can still hear the sound, but everything is frozen, no input, screen stays the same and only cold reboot helps. happens each time i start a vid, the instant the vid loads. as soon as i stop mining, no problems.

im using win7, GUIminer and a sapphire radeon 6950 with the most recent catalyst driver and no oc

before i was using my radeon 4850 and could watch videos fine while mining.

any ideas? it seems to be connected with flash video somehow...

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torusJKL
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June 15, 2011, 05:55:42 PM
 #2

How many cores does you CPU have?
Are you CPU mining?

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implr
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June 15, 2011, 06:22:14 PM
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This sounds like a driver issue or the card switching to UVD clocks when it shouldn't - I remember one of the early problems with the 5xxx series was the cards acting weird when hardware decoding videos because of a bug in the driver.

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Rassah
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June 15, 2011, 06:43:45 PM
 #4

I had the same issue, plus it would randomly freeze on it's own, too. turned out that mining AND using my CPU for other things pushed my power usage beyond what my power supply could support. So, I can only mine if I really underclock my CPU (from 3.8Ghz to 900Mhz). Just something else to check.

malcolmputer
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June 15, 2011, 10:04:55 PM
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I have the same problem with youtube and poclbm-gui.

Hopefully when the 11.7 drivers come out things will be fixed Smiley
anodyne
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June 15, 2011, 10:29:52 PM
 #6

No crashes, but Flash used to force my display GPU (5870) to a lower clock setting. Then something changed and now Flash only takes a few percent off my hashrate, and I'm not sure why... but I remember there was an update to Flash, and I also upgraded to Firefox 5 beta.

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sofadigger
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June 15, 2011, 11:03:39 PM
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here is a solution:
open a video on youtube, right click on the video and select settings, click the monitor icon on the bottom left and uncheck "enable hardware acceleration", flash doesn't do well with mining, even if you don't get a crash you  get substantially less mhash/sec when watching flash video if hw accelration is enabled.
lechuck
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June 16, 2011, 11:03:52 AM
 #8

thx sofadigger that hardware acc setting is exactly what i was looking for, hope that solves the issue..

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