Date: Tue, 30 Nov 2004 11:13:15 -0800 From: Nate Lawson <nate@root.org> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: John Baldwin <jhb@FreeBSD.org> Subject: Re: cvs commit: src/sys/dev/acpica acpi_pci_link.c acpi_pcib.c acpi_pcib_acpi.c acpi_pcib_pci.c acpi_pcibvar.h Message-ID: <41ACC64B.9010702@root.org> In-Reply-To: <20041130184224.GB56431@darkness.comp.waw.pl> References: <200411232226.iANMQioc077290@repoman.freebsd.org> <20041130173902.GA56431@darkness.comp.waw.pl> <41ACB2A3.1010107@root.org> <20041130184224.GB56431@darkness.comp.waw.pl>
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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
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