On Tue, Oct 08, 2024 at 03:58:34PM +0200, Lukas Wunner wrote: > Finally, I'd appreciate if you could send me dmesg output with the > refcounting fix applied. As said before, the MTL Thunderbolt controller > claims that the link and slot presence bits are cleared, so it > de-enumerates everything attached via Thunderbolt. I'm wondering > if it then re-enumerates the Thunderbolt-attached devices so they're > actually usable? > > I'm hoping Mika can clarify with Intel Thunderbolt CoE whether this > is a hardware issue in MTL that can e.g. be fixed through a firmware > or BIOS update. I think here it happens because we reset the host router when the driver probes so all the BIOS CM created tunnels will be torn down as well.
