On Tue, May 21, 2024 at 11:24:56AM +0200, Gia wrote: > Thank you for your suggestion Mika, as a general rule I totally agree > with you and I do not mess with kernel default parameters, but I > remember "pcie_aspm=off" was necessary at the time I set up the > system. Probably a kernel or a BIOS update makes it unnecessary today. Okay, thanks. > I see it removes these messages from my logs but I trust you when you > say they have not an impact on functionality: > > May 21 11:01:36 um773arch kernel: pcieport 0000:05:04.0: Unable to > change power state from D3hot to D0, device inaccessible > May 21 11:01:36 um773arch kernel: igb 0000:09:00.0 eth0: PCIe link lost > May 21 11:01:36 um773arch kernel: xhci_hcd 0000:08:00.0: xHCI host > controller not responding, assume dead > May 21 11:01:36 um773arch kernel: xhci_hcd 0000:07:00.0: xHCI host > controller not responding, assume dead Correct these are side-effect of the USB4 topology reset we do. As explained earlier the tunnels get re-established and the devices will come back soon after this.