Comment 15 for bug 1697395

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Mario Limonciello (superm1) wrote :

@Kai Heng:

It should not be machine/chipset specific, but may have some BIOS component to this due to BIOS sends the hotplug event. If the hotplug event comes too soon (before enumeration is done) you should see this behavior.

It's specific to PCIe tunnels of TBT devices. You won't for example see it if you connect a non-TBT type-C device to the the type-C port of the TB16 or a display to one of the display ports.

The USB hub and USB ports are however behind the PCIe tunnels though and should hit this issue.