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Unknown PCI header type 127 after pci slot swap?

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Posted (edited)



So I'm having issues with my win10 VM. I had a SAS controller in the 3.0 x8 slot. I thought It would be best to use the bandwidth for my dedicated VM/GPU. So I swapped my SAS controller with my GPU onto the 2.0 x1 slot. Array came up no problem. However, with the GPU in x8 slot, when I start the VM after boot, one of my cores is pegged at 100%. Then I force stop and try it again; I receive, Unknown PCI header type 127, error. 


Any ideas why this would be?






Edited by JellyLegs

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It gives me the same error.


If I put the GPU back into the 2.0 x1 slot it works. I have no idea why it won't work in the 3.0 x8 slot.

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Works in VNC no problem.


GT 1030 - with and without Rom Bios


Machine i440fx/Q35 - All give the same error as before.

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