ACPI related page fault

[Marcel Moolenaar]

Gang,

I got the following page fault after upgrading:

     :
FreeBSD 7.0-CURRENT #4: Tue Nov  1 19:30:25 PST 2005
     marcel at piii.pn.xcllnt.net:/usr/obj/nfs/freebsd/7.x/src/sys/PIII
     :
CPU: Intel(R) Pentium(R) III CPU family      1266MHz (1269.55-MHz 686- 
class CPU)
   Origin = "GenuineIntel"  Id = 0x6b1  Stepping = 1
    
Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE, 
MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
real memory  = 401473536 (382 MB)
     :
acpi0: < INTEL SOLANO70> on motherboard
acpi0: [MPSAFE]
     :
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_throttle0: <ACPI CPU Throttling> on cpu0
acpi_throttle0: P_CNT from P_BLK 0x410


Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x40c
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc057d7b4
stack pointer           = 0x28:0xc0c20ba4
frame pointer           = 0x28:0xc0c20bc4
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      kobj_delete+0x14:       movl    0x400(%eax),%ebx
db> wh
Tracing pid 0 tid 0 td 0xc07760a0
kobj_delete(c1754700,0,c17da000,c1754700,c1711610) at kobj_delete+0x14
device_set_driver(c1754700,c07426c8,0,c0c20c14,0) at device_set_driver 
+0x70
device_probe_child(c17b5100,c1754700,c076e4d8,c0c20c48,c1754700) at  
device_probe_child+0x8e
device_probe_and_attach(c1754700,c17b5100,c0c20c6c,c0471c02,c17b5100)  
at device_probe_and_attach+0x7f
bus_generic_attach(c17b5100,ffffffff,64,c0471cd0,c17b5100) at  
bus_generic_attach+0x28
acpi_probe_children(c17b5100,c04746f0,c1754e80,0,1a4) at  
acpi_probe_children+0x52
acpi_attach(c17b5100,c177584c,c074f658,c17b5100,c17b5100) at  
acpi_attach+0x737
device_attach(c17b5100,c17b5100,c076e420,c0c20d00,c17b5100) at  
device_attach+0x6a
device_probe_and_attach(c17b5100,c1725800,c0c20d10,c06e041a,c1725800)  
at device_probe_and_attach+0xf1
bus_generic_attach(c1725800,c1725800,c0c20d30,c057835a,c1725800) at  
bus_generic_attach+0x28
nexus_attach(c1725800,c179304c,c074f658,c1725800,c1725800) at  
nexus_attach+0x1a
device_attach(c1725800,c1725800,0,c17b6890,c1725800) at device_attach 
+0x6a
device_probe_and_attach(c1725800,c073a9d0,c0c20d70,c06d094c,c07250c4)  
at device_probe_and_attach+0xf1
root_bus_configure(c07250c4,c0c20d88,c0522775,0,c1e000) at  
root_bus_configure+0x28
configure(0,c1e000,c1ec00,c1e000,0) at configure+0xc
mi_startup() at mi_startup+0xb5
begin() at begin+0x2c

-- 
  Marcel Moolenaar         USPA: A-39004          marcel at xcllnt.net