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Date:      Sat, 20 Apr 2013 00:51:42 +0000
From:      "Moore, Robert" <robert.moore@intel.com>
To:        Benjamin Lee <ben@b1c1l1.com>
Cc:        "freebsd-acpi@freebsd.org" <freebsd-acpi@freebsd.org>, "Guan, Chao" <chao.guan@intel.com>, "Zheng, Lv" <lv.zheng@intel.com>
Subject:   RE: panic: acpi_pci_link_srs_from_crs: can't put non-ISA IRQ 20 in legacy IRQ resource type)
Message-ID:  <94F2FBAB4432B54E8AACC7DFDE6C92E36FE42EE3@FMSMSX153.amr.corp.intel.com>
In-Reply-To: <20130419172200.45d8601b@b1c1l1.com>
References:  <20130418124940.47e3618a@b1c1l1.com> <201304191131.49433.jhb@freebsd.org>	<20130419131849.7357c8f6@b1c1l1.com> <201304191726.31089.jhb@freebsd.org>	<20130419152110.213c7fbb@b1c1l1.com> <20130419155118.7bafe9fc@b1c1l1.com> <94F2FBAB4432B54E8AACC7DFDE6C92E36FE42E28@FMSMSX153.amr.corp.intel.com> <20130419163528.204bf3ff@b1c1l1.com> <94F2FBAB4432B54E8AACC7DFDE6C92E36FE42EA2@FMSMSX153.amr.corp.intel.com> <20130419172200.45d8601b@b1c1l1.com>

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I was able to quickly reproduce the _CRS/_SRS problem with the AUBA device.=
 I would imagine that this would fail on Windows also, as the basic model o=
f read(_CRS)/modify/write(_SRS) is fairly standard. Unless something else i=
s going on, of course.

Our debugger has a command to do this:


- resource \_SB_.PCI0.AUBA

Device: \_SB_.PCI0.AUBA
Evaluating _CRS
  rscalc-0663 [04] RsGetListLength       : Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 78, AmlLength 02 InternalLe=
ngth 0C
  rscalc-0663 [04] RsGetListLength       : Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 78, AmlLength 02 InternalLe=
ngth 0C

[00] IRQ Resource
          Descriptor Length : 03
                 Triggering : Level
                   Polarity : ActiveLow
                    Sharing : Shared
            Interrupt Count : 00
             Interrupt List :

[01] EndTag Resource
Resource Conversion Comparison:
  rscalc-0663 [04] RsGetListLength       : Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 20, AmlLength 04 InternalLe=
ngth 10
  rslist-0217 [05] RsConvertAmlToResource: Type 78, AmlLength 02 InternalLe=
ngth 0C
Evaluating _SRS
ACPI Error: Field [INZ6] at 56 exceeds Buffer [NULL] size 48 (bits) (201304=
18/dsopcode-326)
[AcpiExec] Exception AE_AML_BUFFER_LIMIT during execution of method [SRSA] =
Opcode [CreateWordField] @4

**** Exception AE_AML_BUFFER_LIMIT during execution of method [\_SB_.PCI0.S=
RSA] (Node 004B7B50)

Method Execution Stack:
    Method [SRSA] executing: [SRSA] @00000 #008B:  CreateWordField (Arg0, 0=
x05, INZ6)
    Method [_SRS] executing: Call to method [\_SB_.PCI0.SRSA] (Node 004B7B5=
0)

Local Variables for method [SRSA]:
    Local0: 00000000 <Null Object>
    Local1: 00000000 <Null Object>
    Local2: 00000000 <Null Object>
    Local3: 00000000 <Null Object>
    Local4: 00000000 <Null Object>
    Local5: 00000000 <Null Object>
    Local6: 00000000 <Null Object>
    Local7: 00000000 <Null Object>

Arguments for Method [SRSA]:  (1 arguments defined, max concurrency =3D 0)
    Arg0:   004F4840 <Obj>             Buffer(6) 23 00 00 18 79 00
    Arg1:   00000000 <Null Object>
    Arg2:   00000000 <Null Object>
    Arg3:   00000000 <Null Object>
    Arg4:   00000000 <Null Object>
    Arg5:   00000000 <Null Object>
    Arg6:   00000000 <Null Object>

ACPI Error: Method parse/execution failed [\_SB_.PCI0.SRSA] (Node 004B7B50)=
, AE_AML_BUFFER_LIMIT (20130418/psparse-632)
ACPI Error: Method parse/execution failed [\_SB_.PCI0.AUBA._SRS] (Node 004B=
EB50), AE_AML_BUFFER_LIMIT (20130418/psparse-632)
AcpiSetCurrentResources failed: AE_AML_BUFFER_LIMIT
Evaluating _PRS
  rscalc-0663 [04] RsGetListLength       : Type 89, AmlLength 15 InternalLe=
ngth 28
  rslist-0217 [05] RsConvertAmlToResource: Type 89, AmlLength 15 InternalLe=
ngth 28
  rslist-0217 [05] RsConvertAmlToResource: Type 78, AmlLength 02 InternalLe=
ngth 0C

[00] Extended IRQ Resource
                       Type : ResourceConsumer
                 Triggering : Level
                   Polarity : ActiveLow
                    Sharing : Shared
      Resource Source Index : 00
            Resource Source : [Not Specified]
            Interrupt Count : 04
                    Dword00 : 00000014
                    Dword01 : 00000015
                    Dword02 : 00000016
                    Dword03 : 00000017

[01] EndTag Resource
-



> -----Original Message-----
> From: Benjamin Lee [mailto:ben@b1c1l1.com]
> Sent: Friday, April 19, 2013 5:22 PM
> To: Moore, Robert
> Cc: John Baldwin; freebsd-acpi@freebsd.org
> Subject: Re: panic: acpi_pci_link_srs_from_crs: can't put non-ISA IRQ 20
> in legacy IRQ resource type)
>=20
> On Sat, 20 Apr 2013 00:09:55 +0000, "Moore, Robert"
> <robert.moore@intel.com> wrote:
> > Can you send the actual binary DSDT or the ASCII acpidump (not
> > disassembled)
>=20
> I missed this earlier, but I just noticed _OS and _OSI checks for Windows=
.
> I'll need to do some testing with hw.acpi.osname.
>=20
> Here is the binary DSDT:
>=20
> http://www.b1c1l1.com/media/debug/20130419-nvidia.dsdt
>=20
> >
> >
> > > -----Original Message-----
> > > From: Benjamin Lee [mailto:ben@b1c1l1.com]
> > > Sent: Friday, April 19, 2013 4:35 PM
> > > To: Moore, Robert
> > > Cc: John Baldwin; freebsd-acpi@freebsd.org
> > > Subject: Re: panic: acpi_pci_link_srs_from_crs: can't put non-ISA
> > > IRQ 20 in legacy IRQ resource type)
> > >
> > > On Fri, 19 Apr 2013 23:00:07 +0000, "Moore, Robert"
> > > <robert.moore@intel.com> wrote:
> > > > No, the length must be set in all descriptors, end tag included.
> > >
> > > Do you have any pointers on how I can fix my ASL?  Where do I find
> > > the end tags and what should I set the lengths to?
> > >
> > > Here is the output from acpidump -dt:
> > > http://www.b1c1l1.com/media/debug/20130418-nvidia.asl.gz
> > >
> > > >
> > > > > -----Original Message-----
> > > > > From: owner-freebsd-acpi@freebsd.org [mailto:owner-freebsd-
> > > > > acpi@freebsd.org] On Behalf Of Benjamin Lee
> > > > > Sent: Friday, April 19, 2013 3:51 PM
> > > > > To: John Baldwin
> > > > > Cc: freebsd-acpi@freebsd.org
> > > > > Subject: Re: panic: acpi_pci_link_srs_from_crs: can't put
> > > > > non-ISA IRQ 20 in legacy IRQ resource type)
> > > > >
> > > > > On Fri, 19 Apr 2013 15:21:10 -0700, Benjamin Lee
> > > > > <ben@b1c1l1.com>
> > > wrote:
> > > > > > On Fri, 19 Apr 2013 17:26:31 -0400, John Baldwin
> > > > > > <jhb@freebsd.org>
> > > > > wrote:
> > > > > > > On Friday, April 19, 2013 4:18:49 pm Benjamin Lee wrote:
> > > > > > > > On Fri, 19 Apr 2013 11:31:49 -0400, John Baldwin
> > > > > > > > <jhb@freebsd.org>
> > > > > wrote:
> > > > > > > > > On Thursday, April 18, 2013 3:49:40 pm Benjamin Lee wrote=
:
> > > > > > > > > > I have a system that panics on boot with 10-CURRENT
> > > > > > > > > > and boots with many ACPI error messages and
> > > > > > > > > > non-functional devices with
> > > > > 9.1-RELEASE.
> > > > > > > > > >
> > > > > > > > > > Motherboard is Foxconn C51XEM2AA (NVIDIA nForce 590)
> > > > > > > > > > desktop
> > > > > board.
> > > > > > > > [...]
> > > > > > > > > > Even though 9.1-RELEASE boots successfully, devices
> > > > > > > > > > such as the ehci USB controller and SATA controller do
> not work.
> > > > > > > > >
> > > > > > > > > Ugh, your BIOS does unexpected things.  It uses a _CRS
> > > > > > > > > for these pci link devices that uses a "short" IRQ
> > > > > > > > > resource, but uses an extended IRQ
> > > > > > > resource in
> > > > > > > > > _PRS (and expects an extended one in _SRS).  We use _CRS
> > > > > > > > > as a template for
> > > > > > > the
> > > > > > > > > resource to build.
> > > > > > > > >
> > > > > > > > > Try this patch.  It's a bit hackish, but it forces us to
> > > > > > > > > not use _CRS as a template if _CRS uses a "short" IRQ
> > > > > > > > > resource, but the link supports non-
> > > > > > > ISA
> > > > > > > > > IRQs.
> > > > > > > > [...]
> > > > > > > >
> > > > > > > > Thanks, that fixed the panic and the system boots.  Now it
> > > > > > > > is complaining about AE_AML_BAD_RESOURCE_LENGTH and still
> > > > > > > > unable to route IRQs, but it definitely looks better than
> > > > > > > > the ACPI parsing
> > > > > errors in 9:
> > > > > > > >
> > > > > > > > pcib0: allocated type 3 (0xdffff000-0xdfffffff) for rid 10
> > > > > > > > of
> > > > > > > > pci0:0:10:0
> > > > > > > > pcib0: matched entry for 0.10.INTA (src \_SB_.PCI0.AUBA:0)
> > > > > > > > pci_link26: Picked IRQ 20 with weight 0
> > > > > > > > pci_link26: Unable to route IRQs:
> > > > > > > > AE_AML_BAD_RESOURCE_LENGTH
> > > > > > > >
> > > > > > > > Full boot -v output:
> > > > > > > > http://www.b1c1l1.com/media/debug/20130419-10-patched-
> > > > > > > boot.txt.gz
> > > > > > >
> > > > > > > Can you add some printfs to the places that return the
> > > > > > > AE_AML_BAD_RESOURCE_LENGTH to see which one is being
> triggered?
> > > > > > > (Just look for that constant in sys/contrib/dev/acpica to
> > > > > > > find the possible places.)
> > > > > >
> > > > > > Is there a macro for dumping information about Resource or
> > > > > > Resource->Data?  Here's what I have for now at
> > > > > > sys/contrib/dev/acpica/resources/rscalc.c line 237:
> > > > > >
> > > > > > pcib0: matched entry for 0.10.INTA (src \_SB_.PCI0.AUBA:0)
> > > > > > pci_link26: Picked IRQ 20 with weight 0
> > > > > > rscalc.c:237
> > > > > > Resource->Type: 7
> > > > > > Resource->Length: 0
> > > > > > pci_link26: Unable to route IRQs: AE_AML_BAD_RESOURCE_LENGTH
> > > > > >
> > > > > > All of the errors are from there and look identical (Type 7,
> > > > > > Length
> > > 0).
> > > > > > Type 7 appears to be ACPI_RESOURCE_TYPE_END_TAG.
> > > > >
> > > > > This hack fixes everything (now the SATA controller works).  It
> > > > > seems that the Resource->Length check might not be necessary for
> > > > > ACPI_RESOURCE_TYPE_END_TAG.
> > > > >
> > > > > blee@genesis /usr/src/sys/contrib/dev/acpica $ svn diff
> > > > > Index: components/resources/rscalc.c
> > > > >
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > > > > --- components/resources/rscalc.c       (revision 249624)
> > > > > +++ components/resources/rscalc.c       (working copy)
> > > > > @@ -234,6 +234,15 @@
> > > > >
> > > > >          if (!Resource->Length)
> > > > >          {
> > > > > +            if (Resource->Type =3D=3D ACPI_RESOURCE_TYPE_END_TAG=
) {
> > > > > +                TotalSize =3D AcpiGbl_AmlResourceSizes [Resource=
-
> > > >Type];
> > > > > +                printf("TotalSize: %u\n", TotalSize);
> > > > > +                if (TotalSize !=3D 0) {
> > > > > +                    printf("ACPI_RESOURCE_TYPE_END_TAG hack\n");
> > > > > +                    *SizeNeeded =3D AmlSizeNeeded + TotalSize;
> > > > > +                    return_ACPI_STATUS (AE_OK);
> > > > > +                }
> > > > > +            }
> > > > >              return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
> > > > >          }
> > > > >
> > > > > Index: components/resources/rslist.c
> > > > >
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
> > > > > --- components/resources/rslist.c       (revision 249624)
> > > > > +++ components/resources/rslist.c       (working copy)
> > > > > @@ -203,6 +203,11 @@
> > > > >
> > > > >          if (!Resource->Length)
> > > > >          {
> > > > > +            if (Resource->Type =3D=3D ACPI_RESOURCE_TYPE_END_TAG=
) {
> > > > > +                printf("ACPI_RESOURCE_TYPE_END_TAG hack 2\n");
> > > > > +                return_ACPI_STATUS (AE_OK);
> > > > > +            }
> > > > > +
> > > > >              ACPI_ERROR ((AE_INFO,
> > > > >                  "Invalid zero length descriptor in resource
> > > list\n"));
> > > > >              return_ACPI_STATUS (AE_AML_BAD_RESOURCE_LENGTH);
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Benjamin Lee
> > > > > http://www.b1c1l1.com/
> > >
> > >
> > >
> > > --
> > > Benjamin Lee
> > > http://www.b1c1l1.com/
>=20
>=20
>=20
> --
> Benjamin Lee
> http://www.b1c1l1.com/



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