Re: [BUG] ASUS ProArt PX13 HN7306WU: amd_pmc s2idle S0ix corrupts AMD 1022:150b root port, NVIDIA dGPU returns header type 7f

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From: Mario Limonciello

Date: Fri Apr 03 2026 - 16:05:57 EST

On 4/3/26 2:07 PM, Joyful Lee wrote:

On Fri, Apr 3, 2026 at 2:04 PM Bjorn Helgaas <helgaas@xxxxxxxxxx> wrote:

I don't know what pciehp is doing that avoids this issue.
Understanding that seems like the first step in avoiding or fixing the
problem.

Joyful, could you collect a dmesg log with pciehp enabled and with
this kernel parameter (the quotes are a required part of the
parameter):

dyndbg="file drivers/pci/* +p"

Certainly. I already went back to the 6.18 stable branch and enabled the nvidia
drivers, but this is still representative of the "working" state.

Can you do the exact same on the same branch/commit but without pciehp enabled? It will make comparison of all the impacts (not just this root port) a lot easier.