[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

Len Brown (lenb@kernel.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |lenb@kernel.org
          Component|Power-Video                 |Video(DRI - non Intel)
           Hardware|x86-64                      |Intel
           Assignee|acpi_power-video@kernel-bug |drivers_video-dri@kernel-bu
                   |s.osdl.org                  |gs.osdl.org
            Product|ACPI                        |Drivers
            Summary|ACPI Error :                |nouveau incorrect ACPI
                   |AE_AML_PACKAGE_LIMIT        |usgage results in ACPI
                   |                            |Error :
                   |                            |AE_AML_PACKAGE_LIMIT

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[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

Urgau (lolo.branstett@numericable.fr) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|high                        |normal

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[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

--- Comment #9 from Urgau (lolo.branstett@numericable.fr) ---
Any update ?

The problem is still here with the kernel 4.17.x

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[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

Peter Wu (peter@lekensteyn.nl) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |peter@lekensteyn.nl

--- Comment #10 from Peter Wu (peter@lekensteyn.nl) ---
The affected code is likely:

    If ((Arg0 == ToUUID ("a486d8f8-0bda-471b-a72b-6042a6b5bee0")))
    {
        Local0 = Zero
        Local0 = (DerefOf (Arg3 [0x03]) << 0x18)
        Local0 += (DerefOf (Arg3 [0x02]) << 0x10)
        Local0 += (DerefOf (Arg3 [One]) << 0x08)
        Local0 += (DerefOf (Arg3 [Zero]) << Zero)

The reason a Buffer is passed by nouveau instead of a Package is presumably due
to an issue with the Windows driver that did the wrong thing, and firmware
authors adapting that.

I am quite puzzled though with this behavior:

[   13.439026] ACPI Exception: AE_AML_PACKAGE_LIMIT, Index (0x000000003) is
beyond end of object (length 0x0) (20160930/exoparg2-427)
[   13.439088] ACPI Error: Method parse/execution failed [\_SB.PCI0.GFX0._DSM]
(Node ffff8801c84b9780), AE_AML_PACKAGE_LIMIT (20160930/psparse-543)
[   13.439153] ACPI Error: Method parse/execution failed
[\_SB.PCI0.PEG0.GFX0._DSM] (Node ffff8801c84ce7a8), AE_AML_PACKAGE_LIMIT
(20160930/psparse-543)
[   13.439222] ACPI: \_SB_.PCI0.PEG0.GFX0: failed to evaluate _DSM (0x300b)
[   13.439383] pci 0000:01:00.0: optimus capabilities: enabled, status dynamic
power, 
[   13.439388] VGA switcheroo: detected Optimus DSM method \_SB_.PCI0.PEG0.GFX0
handle

In both cases, the method invocation failed, and I would expect
nouveau_optimus_dsm to set 0 as result:

    static int nouveau_optimus_dsm(acpi_handle handle, int func, int arg,
uint32_t *result)
    {
        ...
        *result = 0;
        obj = acpi_evaluate_dsm_typed(handle, &nouveau_op_dsm_muid, 0x00000100,
                func, &argv4, ACPI_TYPE_BUFFER);
        if (!obj) {
            acpi_handle_info(handle, "failed to evaluate _DSM\n");
            return AE_ERROR;
        }

and I would expect "optimus capabilities: disabled, status " since "

    uint32_t result;
    nouveau_optimus_dsm(dhandle, NOUVEAU_DSM_OPTIMUS_CAPS, 0,
            &result);
    dev_info(&pdev->dev, "optimus capabilities: %s, status %s%s\n",
            (result & OPTIMUS_ENABLED) ? "enabled" : "disabled",
            (result & OPTIMUS_DYNAMIC_PWR_CAP) ? "dynamic power, " : "",
            (result & OPTIMUS_HDA_CODEC_MASK) ? "hda bios codec supported" :
"");

However that does not seem to be the case, so either the Linux ACPI module does
some kind of fallback, or there is some other kind of memory issue.

Since you reported an issue "since 4.9.6", there was presumably a working
version. Can you do a git bisect?

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[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

linux4all (joerg.kadau@gmx.de) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |joerg.kadau@gmx.de

--- Comment #11 from linux4all (joerg.kadau@gmx.de) ---
for me 5.4.8 is working

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[Bug 195159] nouveau incorrect ACPI usgage results in ACPI Error : AE_AML_PACKAGE_LIMIT

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=195159

--- Comment #12 from linux4all (joerg.kadau@gmx.de) ---
on a HP ZBook 17 G4
17: PCI 100.0: 0300 VGA compatible controller (VGA)             
  [Created at pci.386]
  Unique ID: VCu0.mCEkXGSxUXA
  Parent ID: vSkL.fBtNDRZZiP3
  SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:00.0
  SysFS BusID: 0000:01:00.0
  Hardware Class: graphics card
  Model: "nVidia GP104GLM [Quadro P4000 Mobile]"
  Vendor: pci 0x10de "nVidia Corporation"
  Device: pci 0x1bb7 "GP104GLM [Quadro P4000 Mobile]"
  SubVendor: pci 0x103c "Hewlett-Packard Company"
  SubDevice: pci 0x8272 
  Revision: 0xa1
  Driver: "nvidia"
  Driver Modules: "nvidia"
  Memory Range: 0xe3000000-0xe3ffffff (rw,non-prefetchable)
  Memory Range: 0xa0000000-0xafffffff (ro,non-prefetchable)
  Memory Range: 0xb0000000-0xb1ffffff (ro,non-prefetchable)
  I/O Ports: 0x5000-0x5fff (rw)
  Memory Range: 0xe4080000-0xe40fffff (ro,non-prefetchable,disabled)
  IRQ: 173 (41186 events)
  Module Alias: "pci:v000010DEd00001BB7sv0000103Csd00008272bc03sc00i00"
  Driver Info #0:
    Driver Status: nouveau is not active
    Driver Activation Cmd: "modprobe nouveau"
  Driver Info #1:
    Driver Status: nvidia_drm is active
    Driver Activation Cmd: "modprobe nvidia_drm"
  Driver Info #2:
    Driver Status: nvidia is active
    Driver Activation Cmd: "modprobe nvidia"
  Config Status: cfg=no, avail=yes, need=no, active=unknown
  Attached to: #13 (PCI bridge)

Primary display adapter: #17

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