cvs commit: src/sys/dev/acpica acpi_pci_link.c acpi_pcib.c acpi_pcib_acpi.c acpi_pcib_pci.c acpi_pcibvar.h

[Nate Lawson]

Pawel Jakub Dawidek wrote:
> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
> pci_link0: <ACPI PCI Link LN1_> on acpi0
> device_attach: pci_link0 attach returned 6
> pcib0: failed to force attach of \_SB_.LN1_
> pci_link0: <ACPI PCI Link LN1_> on acpi0
> device_attach: pci_link0 attach returned 6
> pcib0: failed to force attach of \_SB_.LN1_
> pci_link0: <ACPI PCI Link LN1_> on acpi0
> device_attach: pci_link0 attach returned 6
> pcib0: failed to force attach of \_SB_.LN1_
> pci_link0: <ACPI PCI Link LN1_> on acpi0
> device_attach: pci_link0 attach returned 6
> pcib0: failed to force attach of \_SB_.LN1_
> pci0: <ACPI PCI bus> on pcib0
> 
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 0; apic id = 00
> fault virtual address   = 0x0
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc070dc0e
> stack pointer           = 0x10:0xc0820a10
> frame pointer           = 0x10:0xc0820b00
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 0 (swapper)
> [thread pid 0 tid 0 ]
> Stopped at      acpi_pci_link_route_interrupt+0x36:     cmpl    %ebx,0(%eax)
> db> tr
> Tracing pid 0 tid 0 td 0xc0617d80
> acpi_pci_link_route_interrupt(c1f1e300,0,24,ff,0) at acpi_pci_link_route_interrupt+0x36
> acpi_pcib_route_interrupt(c1f73480,c1f80c00,1,c1f782f4,c1f73480) at acpi_pcib_route_interrupt+0x28c
> acpi_pcib_acpi_route_interrupt(c1f73480,c1f80c00,1) at acpi_pcib_acpi_route_interrupt+0x1d
> pci_assign_interrupt_method(c1f73b80,c1f80c00,c0820bcc,8a,f) at pci_assign_interrupt_method+0x52

There are two problems:  attaching LN1_ and failing gracefully when it 
doesn't.  As I said privately, send me your asl so we can figure out 
what's going on with LN1_.  For the latter, we need to figure out what 
the null pointer is so do "l *acpi_pci_link_route_interrupt+0x36".

-- 
Nate