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mvrk
Enthusiast
Enthusiast

ESXi 6.5 + 64Gb RAM - W10 VM with graphics card passtrough freezes ESXi after a while

Hi,

I have a strange behavior, when i have 64Gb installed, i power up my W10 vm which has a graphics card with pci passtrough, it powers up ok but when try to play some game after a few minutes it completely crashes my ESXi, i can't see anything on the logs and on the console is completly black.

If i remove one of the 8GB modules, this doesn't happen, all works good, i play for hours without any problem.

I already tried switching slots, switching ram modules from a friend and nothing, testing ram with memtest86 doesn't show any problem.

Anyone experienced anything like this before? Maybe some extra configuration needed on ESXi or VM when having ESXi with 64Gb+ RAM ?

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