Geekbench 5 Compute test crashes RX580 Mac Pro 2010

Daniel's Avatar

Daniel

13 Sep, 2019 08:06 PM

I've just tried running Geekbench 5 Compute test twice, both times the system crashed in a drastic way I've never experienced before. When the Geekbench 5 app is the only app open, suddenly the screen goes black and all the system fans start running at full speed. The caps lock key on the keyboard still toggles on and off but I can't use the system, have to hold the power button to turn it off. This happened the first time while the Geekbench app was open to the Compute tab but not running the benchmark, I believe. Or maybe I had just clicked the button. The second crash happened about 15-30 seconds into running the Compute test.

I was able to run the CPU test without problems. Here is my result: https://browser.geekbench.com/v5/cpu/141029

Here's my system specs:
Mac Pro 5,1 Mid-2010 dual CPU model, BootROM 144.0.0.0.0 (latest)
MacOS Mojave 10.14.6 with all updates
Dual 3.33GHz Xeon X5680 processors (upgraded)
Sapphire Pulse Radeon RX580 8GB with Apple EFI from MacVidCards.com
48GB ECC DDR3-10600 RAM (3x16GB matched set)
Sabrent Rocket 1TB NVMe SSD in IO-Crest SI-PEX40129 dual NVMe PCIe adapter
Inateck KT4001 USB 3.0 PCIe adapter
WD Red 6TB x2 RAID 0 + WD Green 2TB concatenated (JBOD) Apple RAID array
LG 3840x2160 Monitor (DisplayPort) + LG 1920x1080 Monitor (HDMI)

  1. 1 Posted by Daniel on 13 Sep, 2019 08:14 PM

    Daniel's Avatar

    I should note, I can run Geekbench 4 Compute test perfectly fine on this same system. Here is my result: https://browser.geekbench.com/v4/compute/4538080

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