Ubuntu won't boot with more than 4 GPU's - Printable Version +- hashcat Forum (https://hashcat.net/forum) +-- Forum: Deprecated; Previous versions (https://hashcat.net/forum/forum-29.html) +--- Forum: General Help (https://hashcat.net/forum/forum-8.html) +--- Thread: Ubuntu won't boot with more than 4 GPU's (/thread-3794.html) Pages:
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RE: Ubuntu won't boot with more than 4 GPU's - flux - 10-30-2014 More news. I can get the system to boot with 6 cards on Ubuntu 14.04 server with 14.9 ati drivers. However, it isn't stable. Hashcat runs but it seems to hang after a few minutes. At this point I'm thinking to beef up the 750w to a 1300w 80plus gold PSU. Then distribute the cards evenly across both psu's. Does this sound like a reasonable approach for the symptoms I'm seeing? Can't see what else it could be at this point. RE: Ubuntu won't boot with more than 4 GPU's - Rolf - 10-30-2014 Quite reasonable. RE: Ubuntu won't boot with more than 4 GPU's - flux - 11-07-2014 In the interest of helping others, I finally figured this out last week. The issue was running PCIE1x simulatenously with 4x and 16x. The solution was to set a kernel boot option in grub of iommo=soft. All cards up and running at this point. hope this helps someone else out. |