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

[Paul Menzel]

Dear Ilpo,


Thank you for your instant reply.


Am 05.02.25 um 09:44 schrieb Ilpo Järvinen:
> On Tue, 4 Feb 2025, Paul Menzel wrote:
>
> > #regzbot introduced: b46c89c08f41..aa22f4da2a46

> > On the Intel Kaby Lake laptop Dell XPS 13 9360, at least Linux
> > 6.13.0-07632-gaa22f4da2a46 logs the new warnings:

(Just a side note, these are actually logged with level error.)

> >      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/

Yes, after applying the patch these errors were *not* logged in three 
ACPI S3 suspend/resume cycles.


Kind regards,

Paul