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SubjectRe: [REGRESSION][BISECTED] "xHCI host controller not responding, assume dead" on stable kernel > 6.8.7
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.

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