kern/38607: i386 acpi panic

[prlw1%cam.ac.uk@localhost]

>Number:         38607
>Category:       kern
>Synopsis:       i386 acpi panic
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed May 07 15:45:00 +0000 2008
>Originator:     Patrick Welche
>Release:        NetBSD 4.99.62
>Organization:
>Environment:
>Description:
Upgrading a 4.99.60/i386 -> 4.99.62/i386 kernel, including the
diff -r 1.889 -r 1.894 GENERIC, which has

@@ -313,11 +312,6 @@
 # Device configuration
 #

-mainbus0 at root
-
-cpu* at mainbus?
-ioapic* at mainbus?
-
 # Doesn't do anything yet.
 #p64h2apic* at pci? dev? function?     # P64H2 IOxAPIC

gives a kernel which panics on boot with

TOSHIBA PORTEGE R200 (PPR20E-01S02REN)
mainbus0 (root)
Parsing all Control Methods:
Table [DSDT](id 0001) - 679 Objects with 67 Devices 168 Methods 8 Regions
Parsing all Control Methods:
Table [SSDT](id 0002) - 5 Objects with 0 Devices 2 Methods 0 Regions
Parsing all Control Methods:
Table [SSDT](id 0003) - 2 Objects with 0 Devices 1 Methods 0 Regions
tbxface-0621 [02] TbLoadNamespace       : ACPI Tables successfully acquired
evxfevnt-0176 [08] Enable                : Transition to ACPI mode successful
cpu0 at mainbus0 apid 0
panic: cpu0: running CPU is at apic 255 instead of at expected 0
Begin traceback...
uvm_fault(0xc05e4320, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c0369201 cs 8 eflags 10246 cr2 0 ilevel 8
panic: trap
Faulted in mid-traceback; aborting...
The operating system has halted.
Please press any key to reboot.

instead of

TOSHIBA PORTEGE R200 (PPR20E-01S02REN)
mainbus0 (root)
ACPI: RSDP @ 0x0xf0210/0x0014 (v000 TOSHIB)
ACPI: RSDT @ 0x0x1f730000/0x003C (v001 TOSHIB 750      0x00970814 TASM 
0x04010000)
ACPI: FACP @ 0x0x1f730068/0x0084 (v002 TOSHIB 750      0x20030101 TASM 
0x04010000)
ACPI: DSDT @ 0x0x1f7300ec/0x53CD (v001 TOSHIB A0027    0x20050809 MSFT 
0x0100000E)
ACPI: FACS @ 0x0xeee00/0x0040
ACPI: SSDT @ 0x0x1f7354b9/0x0231 (v001 TOSHIB A0027    0x20040908 MSFT 
0x0100000E)
ACPI: DBGP @ 0x0x1f7358a4/0x0034 (v001 TOSHIB 750      0x00970814 TASM 
0x04010000)
ACPI: APIC @ 0x0x1f73580e/0x005A (v001 TOSHIB 750      0x00970814 TASM 
0x04010000)
ACPI: MCFG @ 0x0x1f735868/0x003C (v001 TOSHIB 750      0x00970814 TASM 
0x04010000)
ACPI: SSDT @ 0x0x1f73575c/0x0072 (v001 TOSHIB A0027    0x20050328 MSFT 
0x0100000E)
Parsing all Control Methods:
Table [DSDT](id 0001) - 679 Objects with 67 Devices 168 Methods 8 Regions
Parsing all Control Methods:
Table [SSDT](id 0002) - 5 Objects with 0 Devices 2 Methods 0 Regions
Parsing all Control Methods:
Table [SSDT](id 0003) - 2 Objects with 0 Devices 1 Methods 0 Regions
tbxface-0621 [02] TbLoadNamespace       : ACPI Tables successfully acquired
evxfevnt-0176 [08] Enable                : Transition to ACPI mode successful
cpu0 at mainbus0 apid 0: (boot processor)
cpu0: Intel Pentium M (Dothan) (686-class), 1197.08 MHz, id 0x6d8
cpu0: features afe9fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features afe9fbff<PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX>
cpu0: features afe9fbff<FXSR,SSE,SSE2,SS,TM,SBF>
cpu0: features2 180<EST,TM2>
...

Using userconf to "disable ioapic" allows the new kernel to boot.


>How-To-Repeat:
>Fix:

>Unformatted:
 6&7 May 2008 -current/i386