I am seeing the same thing with a 2008 R2 Server with LSI passthrough card for attached storage.
I am also seeing this same behavior on 2 of our VM's. Both happen to be configured with a PCI/PCIe passthrough device.
No performance impact, but highly annyoning.
I'm having the same issue on a single VM that is running on a VMware ESXi, 6.5.0, 7388607 host.
This is the only VM with a PCI/PCIe passthrough device.
Physical PCI/PCIe device: 0000:07:00.0 | LSI Logic / Symbios Logic Dell 6Gbps SAS HBA Adapter
Yep - The VM in question has a LSI 9260-8i in passthrough mode.
Bug with LSI drivers and 6.5?
This is still present in VCSA 6.5u1g..
Any ETA on a fix from VMware barring disabling memory usage alerts?