Re: [PATCH v2] PCI: pciehp: Fix system hang during resume with daisy-chained hotplug controllers

[Lukas Wunner]

On Wed, Mar 05, 2025 at 05:09:59PM -0600, Bjorn Helgaas wrote:
> On Tue, Oct 22, 2024 at 09:02:43PM +0800, Chia-Lin Kao (AceLan) wrote:
> > A system hang occurs when multiple PCIe hotplug controllers in a daisy-chained
> > setup (like a Thunderbolt dock with NVMe storage) resume from system sleep.

Thanks Bjorn for reminding me of AceLan's report.

This appears to be the same issue Mika and Kenneth reported,
a fix is currently being worked on in this thread:

https://lore.kernel.org/all/Z8nRI6xjGl3frMe5@xxxxxxxxx/