Re: Linux warns `rtsx_pci 0000:3b:00.0: PM: dpm_run_callback(): pci_pm_resume returns -110`

[Ilpo Järvinen]

On Tue, 4 Feb 2025, Paul Menzel wrote:

> #regzbot introduced: b46c89c08f41..aa22f4da2a46
> 
> Dear Linux folks,
> 
> 
> On the Intel Kaby Lake laptop Dell XPS 13 9360, at least Linux
> 6.13.0-07632-gaa22f4da2a46 logs the new warnings:
> 
>     rtsx_pci 0000:3b:00.0: Unable to change power state from D0 to D3hot,
> device inaccessible
>     rtsx_pci 0000:3b:00.0: PM: dpm_run_callback(): pci_pm_resume returns -110
>     rtsx_pci 0000:3b:00.0: PM: failed to resume async: error -110
> 
> These were not present up to including Linux 6.13.0-07078-gb46c89c08f41.
> 
> It looks like the first warning is not always logged:
> 
>     $ sudo dmesg | grep rtsx
>     [    8.612537] rtsx_pci 0000:3b:00.0: enabling device (0000 -> 0002)
>     [ 2010.081170] rtsx_pci 0000:3b:00.0: Unable to change power state from D0
> to D3hot, device inaccessible
>     [ 2010.236503] rtsx_pci 0000:3b:00.0: PM: dpm_run_callback():
> pci_pm_resume returns -110
>     [ 2010.236525] rtsx_pci 0000:3b:00.0: PM: failed to resume async: error
> -110
>     [ 4115.541202] rtsx_pci 0000:3b:00.0: PM: dpm_run_callback():
> pci_pm_resume returns -110
>     [ 4115.541216] rtsx_pci 0000:3b:00.0: PM: failed to resume async: error
> -110
> 
> Logs from Linux 6.14-rc1 are attached. Bisection is only possible after next
> Sunday.

Please try if this fix helps:

https://lore.kernel.org/linux-pci/20250131152913.2507-1-ilpo.jarvinen@xxxxxxxxxxxxxxx/

-- 
 i.