Hi Mario
Nick Hastings reported in Debian in https://bugs.debian.org/1036530
lockups from his system after updating from a 6.0 based version to
6.1.y.
#regzbot ^introduced 24867516f06d
he bisected the issue and tracked it down to:
On Sun, May 28, 2023 at 10:14:51AM +0900, Nick Hastings wrote:
> Control: tags -1 - moreinfo
>
> Hi,
>
> I repeated the git bisect, and the bad commit seems to be:
>
> (git)-[v6.1-rc1~206^2~4^5~3|bisect] % git bisect bad
> 24867516f06dabedef3be7eea0ef0846b91538bc is the first bad commit
> commit 24867516f06dabedef3be7eea0ef0846b91538bc
> Author: Mario Limonciello <mario.limoncie...@amd.com>
> Date: Tue Aug 23 13:51:31 2022 -0500
>
> ACPI: OSI: Remove Linux-Dell-Video _OSI string
>
> This string was introduced because drivers for NVIDIA hardware
> had bugs supporting RTD3 in the past.
>
> Before proprietary NVIDIA driver started to support RTD3, Ubuntu had
> had a mechanism for switching PRIME on and off, though it had required
> to logout/login to make the library switch happen.
>
> When the PRIME had been off, the mechanism had unloaded the NVIDIA
> driver and put the device into D3cold, but the GPU had never come back
> to D0 again which is why ODMs used the _OSI to expose an old _DSM
> method to switch the power on/off.
>
> That has been fixed by commit 5775b843a619 ("PCI: Restore config space
> on runtime resume despite being unbound"). so vendors shouldn't be
> using this string to modify ASL any more.
>
> Reviewed-by: Lyude Paul <ly...@redhat.com>
> Signed-off-by: Mario Limonciello <mario.limoncie...@amd.com>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com>
>
> drivers/acpi/osi.c | 9 ---------
> 1 file changed, 9 deletions(-)
>
> This machine is a Dell with an nvidia chip so it looks like this really
> could be the commit that that is causing the problems. The description
> of the commit also seems (to my untrained eye) to be consistent with the
> error reported on the console when the lockup occurs:
>
> [ 58.729863] ACPI Error: Aborting method \_SB.PCI0.PGON due to previous
> error (AE_AML_LOOP_TIMEOUT) (20220331/psparse-529)
> [ 58.729904] ACPI Error: Aborting method \_SB.PCI0.PEG0.PG00._ON due to
> previous error (AE_AML_LOOP_TIMEOUT) (20220331/psparse-529)
> [ 60.083261] vfio-pci 0000:01:00.0 Unable to change power state from D3cold
> to D0, device inaccessible
>
> Hopefully this is enough information for experts to resolve this.
Does this ring some bell for you? Do you need any further information
from Nick?
Regards,
Salvatore
