[amd64] ACPI panics kernel at boot

Conrad Sabatier conrads at cox.net
Mon Aug 23 17:31:12 PDT 2004

Kernel built Mon Aug 23 18:00:27 CDT 2004 (the following is 

acpi0: <A M I ORMRSDT> on motherboard
acpi0: [MPSAFE]
pci_open(1):	mode 1 addr port (0x0cf8) is 0x80015004
pci_open(1a):	mode1res=0x80000000 (0x80000000)
pci_cfgcheck:	device 0 [class=060000] [hdr=00] is there (id=00d110de)
AcpiOsDerivePciId: bus 0 dev 1 func 0
acpi0: Power Button (fixed)

Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x0
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xffffffff8017e776
stack pointer		= 0x10:0xffffffff805f09d0
frame pointer		= 0x10:0xffffffff805f0a00
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 0 (swapper)
[thread 0]
Stopped at	acpi_sysres_attach+0xc6:	decl	%ecx
db> trace
acpi_sysres_attach() at acpi_sysres_attach+0xc6
device_attach() at device_attach+0x292
acpi_probe_child() at acpi_probe_child+0x183
AcpiNsWalkNamespace() at AcpiWalkNamespace+0xaf
acpi_attach() at acpi_attach+0x63d
device_attach() at device_attach+0x292
bus_generic_attach() at bus_generic_attach+0x18
nexus_attach() at nexus_attach+0x19
device_attach() at device_attach+0x292
root_bus_configure() at root_bus_configure+0x1e
configure() at configure+0x1f
mi_startup() at mi_startup+0xd3
btext() at btext+0x2c

Interestingly, the kernel boots and runs fine with ACPI disabled.

Conrad Sabatier <conrads at cox.net> - "In Unix veritas"

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