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Date:      Fri, 19 Apr 2013 16:35:28 -0700
From:      Benjamin Lee <ben@b1c1l1.com>
To:        "Moore, Robert" <robert.moore@intel.com>
Cc:        "freebsd-acpi@freebsd.org" <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)
Message-ID:  <20130419163528.204bf3ff@b1c1l1.com>
In-Reply-To: <94F2FBAB4432B54E8AACC7DFDE6C92E36FE42E28@FMSMSX153.amr.corp.intel.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>

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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/201=
30418-nvidia.asl.gz

>=20
> > -----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)
> >=20
> > 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.
> >=20
> > This hack fixes everything (now the SATA controller works).  It seems t=
hat
> > the Resource->Length check might not be necessary for
> > ACPI_RESOURCE_TYPE_END_TAG.
> >=20
> > 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 @@
> >=20
> >          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);
> >          }
> >=20
> > 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 @@
> >=20
> >          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);
> >=20
> >=20
> >=20
> > --
> > Benjamin Lee
> > http://www.b1c1l1.com/



--=20
Benjamin Lee
http://www.b1c1l1.com/

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