Date: Fri, 07 Jan 2005 00:26:57 +0100 From: Pawel Worach <pawel.worach@telia.com> To: Nate Lawson <nate@root.org> Cc: John Baldwin <jhb@FreeBSD.org> Subject: Re: page fault panic in device_get_softc/acpi_pcib_route_interrupt Message-ID: <41DDC941.9000609@telia.com> In-Reply-To: <41DDBA4F.6010009@root.org> References: <20587818.1102626838092.JavaMail.tomcat@pne-ps4-sn1> <200501061345.44146.jhb@FreeBSD.org> <41DD9806.6060301@telia.com> <200501061541.39673.jhb@FreeBSD.org> <41DDBA4F.6010009@root.org>
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Nate Lawson wrote:
> A possible fix is to change each reference to LP* in the PICM and APIC
> packages to be \LPUS, \LP05, etc. Then recompile and load your asl via
> the instructions for overriding it in acpi(4).
>
> I'm still not sure why this is broken though so I think it's a red
> herring and suspect the asl fix won't help. I suspect the real reason
> is that \LPUS is not probed/attached before calling pci_add_child() on
> PCI0. Pawel, can you stick a printf in acpi_pci_link_attach() right
> before the return (0) like this:
>
> printf("pci link attached: %s\n", acpi_name(acpi_get_handle(dev)));
>
> I suspect we won't see LPUS there before it panics.
>
I do not even see the code enter acpi_pci_link_attach(), even added a dummy
printf at the top of the method.
I modified the AML, changed all LP* to \LP* (except for the Device(LP*) ones,
should I change these too?) the result was a couple of errors during boot.
I broke something didn't I?
can't fetch resources for \_SB_.PCI0 - AE_AML_INVALID_RESOURCE_TYPE
can't fetch resources for \_SB_.PCI0.ISA_.SIOM - AE_AML_NO_RESOURCE_END_TAG
can't fetch resources for \_SB_.PCI0.ISA_.PS2M - AE_AML_NO_RESOURCE_END_TAG
can't fetch resources for \_SB_.PCI0.ISA_.FDC0 - AE_AML_NO_RESOURCE_END_TAG
can't fetch resources for \_SB_.PCI0.ISA_.COM1 - AE_AML_NO_RESOURCE_END_TAG
can't fetch resources for \_SB_.PCI1 - AE_AML_INVALID_RESOURCE_TYPE
can't fetch resources for \_SB_.PCI2 - AE_AML_INVALID_RESOURCE_TYPE
can't fetch resources for \_SB_.PCI3 - AE_AML_INVALID_RESOURCE_TYPE
can't fetch resources for \_SB_.PCI4 - AE_AML_INVALID_RESOURCE_TYPE
..
Fatal trap 12: page fault while in kernel mode
[same old story]
...
--
Pawel
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