Re: Regression from "ACPI: OSI: Remove Linux-Dell-Video _OSI string"? (was: Re: Bug#1036530: linux-signed-amd64: Hard lock up of system)

[Nick Hastings <nicholaschastings@gmail.com>]

Hi,

* Karol Herbst <kherbst@redhat.com> [230602 03:10]:
> On Thu, Jun 1, 2023 at 7:21 PM Limonciello, Mario
> <Mario.Limonciello@amd.com> wrote:
> > > -----Original Message-----
> > > From: Karol Herbst <kherbst@redhat.com>
> > > Sent: Thursday, June 1, 2023 12:19 PM
> > > To: Limonciello, Mario <Mario.Limonciello@amd.com>
> > > Cc: Nick Hastings <nicholaschastings@gmail.com>; Lyude Paul
> > > <lyude@redhat.com>; Lukas Wunner <lukas@wunner.de>; Salvatore
> > > Bonaccorso <carnil@debian.org>; 1036530@bugs.debian.org; Rafael J.
> > > Wysocki <rafael@kernel.org>; Len Brown <lenb@kernel.org>; linux-
> > > acpi@vger.kernel.org; linux-kernel@vger.kernel.org;
> > > regressions@lists.linux.dev
> > > Subject: Re: Regression from "ACPI: OSI: Remove Linux-Dell-Video _OSI
> > > string"? (was: Re: Bug#1036530: linux-signed-amd64: Hard lock up of system)
> > >
> > > On Thu, Jun 1, 2023 at 6:54 PM Limonciello, Mario
> > > <Mario.Limonciello@amd.com> wrote:
> > > >
> > > > [AMD Official Use Only - General]
> > > >
> > > > > -----Original Message-----
> > > > > From: Karol Herbst <kherbst@redhat.com>
> > > > > Sent: Thursday, June 1, 2023 11:33 AM
> > > > > To: Limonciello, Mario <Mario.Limonciello@amd.com>
> > > > > Cc: Nick Hastings <nicholaschastings@gmail.com>; Lyude Paul
> > > > > <lyude@redhat.com>; Lukas Wunner <lukas@wunner.de>; Salvatore
> > > > > Bonaccorso <carnil@debian.org>; 1036530@bugs.debian.org; Rafael J.
> > > > > Wysocki <rafael@kernel.org>; Len Brown <lenb@kernel.org>; linux-
> > > > > acpi@vger.kernel.org; linux-kernel@vger.kernel.org;
> > > > > regressions@lists.linux.dev
> > > > > Subject: Re: Regression from "ACPI: OSI: Remove Linux-Dell-Video _OSI
> > > > > string"? (was: Re: Bug#1036530: linux-signed-amd64: Hard lock up of
> > > system)
> > > > >
> > > > > On Thu, Jun 1, 2023 at 6:18 PM Limonciello, Mario
> > > > > >
> > > > > > Lyude, Lukas, Karol
> > > > > >
> > > > > > This thread is in relation to this commit:
> > > > > >
> > > > > > 24867516f06d ("ACPI: OSI: Remove Linux-Dell-Video _OSI string")
> > > > > >
> > > > > > Nick has found that runtime PM is *not* working for nouveau.
> > > > > >
> > > > >
> > > > > keep in mind we have a list of PCIe controllers where we apply a
> > > > > workaround:
> > > > >
> > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers
> > > > > /gpu/drm/nouveau/nouveau_drm.c?h=v6.4-rc4#n682
> > > > >
> > > > > And I suspect there might be one or two more IDs we'll have to add
> > > > > there. Do we have any logs?
> > > >
> > > > There's some archived onto the distro bug.  Search this page for
> > > "journalctl.log.gz"
> > > > https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1036530
> > > >
> > >
> > > interesting.. It seems to be the same controller used here. I wonder
> > > if the pci topology is different or if the workaround is applied at
> > > all.
> >
> > I didn't see the message in the log about the workaround being applied
> > in that log, so I guess PCI topology difference is a likely suspect.
> >
>
> yeah, but I also couldn't see a log with the usual nouveau messages,
> so it's kinda weird.
>
> Anyway, the output of `lspci -tvnn` would help

% lspci -tvnn
-[0000:00]-+-00.0  Intel Corporation Device [8086:3e20]
           +-01.0-[01]----00.0  NVIDIA Corporation TU117M [GeForce GTX 1650 Mobile / Max-Q] [10de:1f91]
           +-02.0  Intel Corporation CoffeeLake-H GT2 [UHD Graphics 630] [8086:3e9b]
           +-04.0  Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [8086:1903]
           +-08.0  Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model [8086:1911]
           +-12.0  Intel Corporation Cannon Lake PCH Thermal Controller [8086:a379]
           +-14.0  Intel Corporation Cannon Lake PCH USB 3.1 xHCI Host Controller [8086:a36d]
           +-14.2  Intel Corporation Cannon Lake PCH Shared SRAM [8086:a36f]
           +-15.0  Intel Corporation Cannon Lake PCH Serial IO I2C Controller #0 [8086:a368]
           +-15.1  Intel Corporation Cannon Lake PCH Serial IO I2C Controller #1 [8086:a369]
           +-16.0  Intel Corporation Cannon Lake PCH HECI Controller [8086:a360]
           +-17.0  Intel Corporation Cannon Lake Mobile PCH SATA AHCI Controller [8086:a353]
           +-1b.0-[02-3a]----00.0-[03-3a]--+-00.0-[04]----00.0  Intel Corporation JHL6340 Thunderbolt 3 NHI (C step) [Alpine Ridge 2C 2016] [8086:15d9]
           |                               +-01.0-[05-39]--
           |                               \-02.0-[3a]----00.0  Intel Corporation JHL6340 Thunderbolt 3 USB 3.1 Controller (C step) [Alpine Ridge 2C 2016] [8086:15db]
           +-1c.0-[3b]----00.0  Intel Corporation Wi-Fi 6 AX200 [8086:2723]
           +-1c.4-[3c]----00.0  Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader [10ec:525a]
           +-1d.0-[3d]----00.0  Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983 [144d:a808]
           +-1f.0  Intel Corporation Cannon Lake LPC Controller [8086:a30e]
           +-1f.3  Intel Corporation Cannon Lake PCH cAVS [8086:a348]
           +-1f.4  Intel Corporation Cannon Lake PCH SMBus Controller [8086:a323]
           \-1f.5  Intel Corporation Cannon Lake PCH SPI Controller
           [8086:a324]


Regards,

Nick.