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Author Topic: GTX970 MP5,1 won't log in - FAULT_INFO_TYPE_UNSUPPORTED_KIN  (Read 2699 times)

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Posts: 4

« on: June 12, 2018, 08:14:14 PM »

This is a sequel to this post, so same specs.
Updated since then to 10.13.4 w/ driver 387.

I can't get past the OS X login screen. After the MVC EFI boot text is done, Monitor 1 shows garbled dots, and monitor 2 shows gray. After a force shutdown, the next attempt shows black at the same point. And almost always, after another force-shutdown, everything boots and logs in fine.  Sometimes it takes more fidgeting, like replugging monitors or rebooting w/ OS driver and back to nVidia driver, and then everything runs fine for a few days.
At first this happened once every 1-2 weeks, so there wasn't much to troubleshoot. It has gotten progressively worse, to the point that it now happens every day. Also, it started happening not just at login. The whole system hangs, about once a week. Keyboard still works, but the UI freezes.

Console shows many gpuRestart kernel panic reports, almost all of them of this type:
NVDA(DMA): Channel exception! Exception type = 0x1f Access Violation Error (MMU Error 2)
Channel Info: [7, 0x8, 0x3, 0xe8]
Version Info: [com.nvidia.web.GeForceWeb, 10.3.1, 0x4e554e, 1234, 387., 1]

And a few
NVDA(Graphics): Channel exception! Exception type = 0x2c Access Violation Error (MMU Error 3)
Channel Info: [68, 0x43, 0x3a, 0xa03b5]
MMU Error: FAULT_PDE at 0x0

I also still experience this glitch 100% of the time (when dragging windows across screens)
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Posts: 836

« Reply #1 on: June 12, 2018, 08:33:32 PM »

a card or a mac is in bad hw state.

try to reseat card in pci-e slot, clean somehow pci-e contacts on card, etc, signals not going well somewhere
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