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Title: Fix for "Open Cl error 4" Post by: Jwmeador on May 07, 2017, 02:14:43 PM I'm running 6 AMD RX470 cards on claymore dual miner. I downloaded the driver that came with the cards, AMD MSI version 16.7.3. Im getting and error when I try to mine that says "open CL error 4 cannot write buffer for DAG GPU 3 failed". Any ideas on how to fix this?
Title: Re: Fix for "Open Cl error 4" Post by: marvykkio on May 07, 2017, 03:21:03 PM Surely fault and risers, check all gpus well, uninstall drivers with DDU, and insert one at the fly gpu, check if the operating system detects the gpu and enter the other, this up to 6 gpu when the system Recognizes all 6 gpu, installs 16.11.5 drivers
Hope to help ;) Title: Re: Fix for "Open Cl error 4" Post by: Jwmeador on May 07, 2017, 03:44:08 PM Thanks. I'll try that this evening.
Title: Re: Fix for "Open Cl error 4" Post by: Jwmeador on May 08, 2017, 01:22:19 AM Got it figured out. Thanks so much! I installed 16.11.5 version of AMD. After a fresh install it still had the same error so I did a process of elimination and ran one card at a time until It started messing up again. When it tested card 5 the system started freezing. So I tried a card I knew was good and it still did the same thing. I then tried a new riser and it worked. So it turned out to be the riser. Thanks again for your help!
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