> On 31 Jan 2018, at 4:51 PM, Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> wrote: > > On Wed, Jan 31, 2018 at 04:23:21PM +0800, Kai Heng Feng wrote: >> Now sure which string to grep, but looks like hotplug is supported. >> Still attach dmesg to let you confirm it’s working. > > This one: > > [ 0.197025] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] > [ 0.197222] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug PME AER] > [ 0.197408] acpi PNP0A08:00: _OSC: OS now controls [PCIeCapability] So seems like it’s _OSC instead of _OSI? > So native PCIe hotplug is disabled. Sorry for asking this again… is this the root cause of this issue? On another platform I can see the same message, but TBT card get enumerated at cold boot. Also removing the thunderbolt mailing list - it keeps bouncing a message says I need to subscribe to it. Kai-Heng
