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.limonciello@xxxxxxx> > 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 <lyude@xxxxxxxxxx> > Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > > 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
