Re: kern/38246: another simple_lock deadlock in netbsd-4, possibly scheduler related (sa_switch(2073.2): no upcall data.)

["Greg A. Woods" <woods%planix.com@localhost>]

The following reply was made to PR kern/38246; it has been noted by GNATS.

From: "Greg A. Woods" <woods%planix.com@localhost>
To: Nick Hudson <nick.hudson%dsl.pipex.com@localhost>
Cc: NetBSD GNATS <gnats-bugs%NetBSD.org@localhost>,
        kern-bug-people%netbsd.org@localhost
Subject: Re: kern/38246: another simple_lock deadlock in netbsd-4, possibly 
scheduler related (sa_switch(2073.2): no upcall data.)
Date: Fri, 21 Mar 2008 15:15:06 -0400

 --pgp-sign-Multipart_Fri_Mar_21_15:15:05_2008-1
 Content-Type: text/plain; charset=US-ASCII
 Content-Transfer-Encoding: quoted-printable
 
 At Thu, 20 Mar 2008 18:40:56 +0000, Nick Hudson wrote:
 Subject: Re: kern/38246: another simple_lock deadlock in netbsd-4, possibly=
  scheduler related (sa_switch(2073.2): no upcall data.)
 >=20
 > Can you try the wrstuden-fixsa branch?
 >=20
 
 It dies during boot (with "options LOCKDEBUG" anyway):
 
 
 >> NetBSD/i386 BIOS Boot, Revision 3.3
 >> (woods@once, Mon Jan 28 12:39:39 EST 2008)
 >> Memory: 617/2094976 k
 Press return to boot now, any other key for boot menu
 booting hd0a:netbsd - starting in 0=20
 9268452+411460+373836 [437920+421021]=3D0xa69a74
 kenter: 0x00002000
 acpi: wakecode is installed at 0x2000, size=3D376
 Loaded initial symtab at 0xc0a97b90, strtab at 0xc0b02dd4, # entries 25848
 BIOS CFG: Model-SubM-Rev: fc-01-00, 0x74<EBDA,KBDINT,RTC,IC2>
 Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
     2006, 2007
     The NetBSD Foundation, Inc.  All rights reserved.
 Copyright (c) 1982, 1986, 1989, 1991, 1993
     The Regents of the University of California.  All rights reserved.
 
 NetBSD 4.0_wrstuden_fixsa_t1 (GENERIC.MP) #1: Fri Mar 21 12:32:16 EDT 2008
       woods@once:/rest/build/woods/once/netbsd-wrstuden-fixsa-i386-i386-ppr=
 o-obj/rest/work/woods/m-NetBSD-wrstuden-fixsa/sys/arch/i386/compile/GENERIC=
 .MP
 total memory =3D 2046 MB
 rbus: rbus_min_start set to 0x80000000
 avail memory =3D 1988 MB
 rnd: initialised (4096) with counter
 timecounter: Timecounters tick every 10.000 msec
 timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
 BIOS32 rev. 0 found at 0xfb7d0
 SMBIOS rev. 2.3 @ 0xf0000 (42 entries)
 PCI BIOS rev. 2.1 found at 0xfb800
 PCI IRQ Routing Table rev. 1.0 found at 0xfdbf0, size 272 bytes (15 entries)
 mainbus0 (root)
 mainbus0: scanning 0x9a400 to 0x9a7f0 for MP signature
 mainbus0: scanning 0x9a000 to 0x9a3f0 for MP signature
 mainbus0: scanning 0xf0000 to 0xffff0 for MP signature
 mainbus0: MP floating pointer found in bios at 0xf55f0
 mainbus0: MP config table at 0xf1400, 320 bytes long
  tbxface-0196 [01] LoadTables            : ACPI Tables successfully acquired
 Parsing all Control Methods:
 Table [DSDT](id 0005) - 546 Objects with 54 Devices 148 Methods 31 Regions
 ACPI Namespace successfully loaded at root 0xc0a96f24
 cpu0 at mainbus0: apid 0 (boot processor)
 cpu0: Intel (686-class), 2992.60 MHz, id 0xf34
 cpu0: "Intel(R) Pentium(R) 4 CPU 3.00GHz"
 cpu0: enabling thermal monitor 1 ... enabled.
 cpu0: calibrating local timer
 cpu0: apic clock running at 199 MHz
 cpu1 at mainbus0: apid 1 (application processor)
 cpu1: starting
 cpu1: Intel (686-class), 2992.51 MHz, id 0xf34
 cpu1: "Intel(R) Pentium(R) 4 CPU 3.00GHz"
 cpu1: using thermal monitor 1
 ioapic0 at mainbus0 apid 2 (I/O APIC)
 ioapic0: pa 0xfec00000, virtual wire mode, version 20, 24 pins
 ioapic0: misconfigured as apic 0
 ioapic0: remapped to apic 2
 ioapic1 at mainbus0 apid 3 (I/O APIC)
 ioapic1: pa 0xfec10000, virtual wire mode, version 20, 24 pins
 acpi0 at mainbus0: Advanced Configuration and Power Interface
 evxfevnt-0177 [02] Enable                : Transition to ACPI mode successf=
 ul
 evgpeblk-1111 [08] EvCreateGpeBlock      : GPE 00 to 1F [_GPE] 4 regs on in=
 t 0x9
 evgpeblk-1211 [07] EvInitializeGpeBlock  : Found 7 Wake, Enabled 0 Runtime =
 GPEs in this block
 Completing Region/Field/Buffer/Package initialization:.....................=
 ..................................................
 Initialized 31/31 Regions 9/9 Fields 19/19 Buffers 12/15 Packages (555 node=
 s)
 Executing all Device _STA and_INI methods:.................................=
 ..........................
 59 Devices found - executed 1 _STA, 3 _INI methods
 acpi0: fixed-feature power button present
 timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
 ACPI-Fast 24-bit timer
 mpacpi: found root PCI bus 0 at level 1
 mpacpi: found subordinate bus 3 at level 2
 mpacpi: found subordinate bus 2 at level 2
 mpacpi: 3 PCI busses
 mpacpi: ISA interrupt override  0 -> 2
 mpacpi: ISA interrupt override  9 -> 9
 mpacpi: configuring PCI bus 0 int routing
 mpacpi: configuring PCI bus 3 int routing
 mpacpi: configuring PCI bus 2 int routing
 ioapic0: pin 2 attached to isa0 irq 0 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 1 attached to isa0 irq 1 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 3 attached to isa0 irq 3 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 4 attached to isa0 irq 4 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 5 attached to isa0 irq 5 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 6 attached to isa0 irq 6 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 7 attached to isa0 irq 7 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 8 attached to isa0 irq 8 (type 0<type=3D0> flags 0<pol=3D0,tri=
 g=3D0>)
 ioapic0: pin 9 attached to isa0 irq 9 (type 0<type=3D0> flags d<pol=3D1=3DA=
 ct Hi,trig=3D3=3DLevel>)
 ioapic0: pin 10 attached to isa0 irq 10 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 11 attached to isa0 irq 11 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 12 attached to isa0 irq 12 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 13 attached to isa0 irq 13 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 14 attached to isa0 irq 14 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 15 attached to isa0 irq 15 (type 0<type=3D0> flags 0<pol=3D0,t=
 rig=3D0>)
 local apic: pin 1 attached to NMI (type 1<type=3D1=3DNMI> flags 0<pol=3D0,t=
 rig=3D0>)
 local apic: pin 1 attached to NMI (type 1<type=3D1=3DNMI> flags 0<pol=3D0,t=
 rig=3D0>)
 ioapic0: pin 16 attached to pci0 device 31 INT_C (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 31 INT_A (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 17 attached to pci0 device 31 INT_B (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 16 attached to pci0 device 29 INT_A (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 19 attached to pci0 device 29 INT_B (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 29 INT_C (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci0 device 29 INT_D (type 0<type=3D0> flags f<=
 pol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 3 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 3 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 3 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci0 device 3 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci3 device 8 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci3 device 8 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci3 device 8 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 18 attached to pci3 device 8 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 2 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 21 attached to pci3 device 2 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 22 attached to pci3 device 2 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 2 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 21 attached to pci3 device 3 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 22 attached to pci3 device 3 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 3 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 3 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 9 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 9 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 9 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 23 attached to pci3 device 9 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 7 INT_A (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 7 INT_B (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 7 INT_C (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic0: pin 20 attached to pci3 device 7 INT_D (type 0<type=3D0> flags f<p=
 ol=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 0 attached to pci2 device 2 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 1 attached to pci2 device 2 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 2 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 2 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 8 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 8 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 8 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 8 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 7 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 7 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 7 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 7 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 0 attached to pci2 device 4 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 1 attached to pci2 device 4 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 4 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 4 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 5 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 5 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 0 attached to pci2 device 5 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 1 attached to pci2 device 5 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 3 attached to pci2 device 6 INT_A (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 0 attached to pci2 device 6 INT_B (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 1 attached to pci2 device 6 INT_C (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ioapic1: pin 2 attached to pci2 device 6 INT_D (type 0<type=3D0> flags f<po=
 l=3D3=3DAct Lo,trig=3D3=3DLevel>)
 ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
 ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
 acpi_activate_device: PNP0C0F, old status=3D9
 acpi: activated PNP0C0F
 acpi_activate_device: PNP0C0F, new status=3Db
 acpi_activate_device: PNP0C0F, old status=3D9
 acpi: activated PNP0C0F
 acpi_activate_device: PNP0C0F, new status=3Db
 acpi_activate_device: PNP0C0F, old status=3D9
 acpi: activated PNP0C0F
 acpi_activate_device: PNP0C0F, new status=3Db
 acpibut0 at acpi0 (PNP0C0C): ACPI Power Button
 PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
 PNP0C02 [Plug and Play motherboard register resources] at acpi0 not configu=
 red
 PNP0000 [AT Interrupt Controller] at acpi0 not configured
 attimer1 at acpi0 (PNP0100): AT Timer
 attimer1: io 0x40-0x43 irq 0
 PNP0B00 [AT Real-Time Clock] at acpi0 not configured
 pcppi1 at acpi0 (PNP0800)
 pcppi1: io 0x61
 pcppi1: children must have an explicit unit
 midi0 at pcppi1: PC speaker (CPU-intensive output)
 sysbeep0 at pcppi1
 npx1 at acpi0 (PNP0C04)
 npx1: io 0xf0-0xff irq 13
 PNP0700 [PC standard floppy disk controller] at acpi0 not configured
 PNP0501 [16550A-compatible COM port] at acpi0 not configured
 PNP0501 [16550A-compatible COM port] at acpi0 not configured
 PNP0401 [ECP printer port] at acpi0 not configured
 pckbc1 at acpi0 (PNP0303): kbd port
 pckbc1: io 0x60,0x64 irq 1
 PNP0C02 [Plug and Play motherboard register resources] at acpi0 not configu=
 red
 INT0800 [Intel FWH Random Number Generator] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0C0F [PCI interrupt link device] at acpi0 not configured
 PNP0200 [AT DMA Controller] at acpi0 not configured
 PNP0C01 [System Board] at acpi0 not configured
 PNP0C0B [ACPI Fan] at acpi0 not configured
 acpitz0 at acpi0: ACPI Thermal Zone
 acpitz0: active cooling level 0: 99.0C
 acpitz0: failed to evaluate _AC1: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC2: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC3: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC4: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC5: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC6: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC7: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC8: AE_NOT_FOUND
 acpitz0: failed to evaluate _AC9: AE_NOT_FOUND
 acpitz0: failed to evaluate _HOT: AE_NOT_FOUND
 acpitz0: critical 99.0C passive 64.5C
 apm0 at acpi0: Power Management spec V1.2
 
 simple_lock: uninitialized lock
 lock: 0xc0a6e1c0, currently at: /rest/work/woods/m-NetBSD-wrstuden-fixsa/sy=
 s/kern/kern_lock.c:568
 on CPU 0
 uvm_fault(0xc0a83d40, 0, 1) -> 0xe
 kernel: supervisor trap page fault, code=3D0
 Stopped in pid 0.1 (swapper) at netbsd:db_read_bytes+0x30:      movl    0(%=
 esi),
 %eax
 db{0}>=20
 db{0}> trace
 db_read_bytes(2,4,c0b6d6c0,c0424526,c0b6d6c4) at netbsd:db_read_bytes+0x30
 db_get_value(2,4,0,55504320,a3020) at netbsd:db_get_value+0x20
 db_stack_trace_print(c0b6d79c,1,ffff,c0966106,c04237e0) at netbsd:db_stack_=
 trace
 _print+0x4ba
 _simple_lock(c0a6e1c0,c0995d74,238,c38a1158,0) at netbsd:_simple_lock+0x153
 _lockmgr(c0a6e1c0,2,0,c09703b0,b6) at netbsd:_lockmgr+0x53
 sysmonioctl_envsys(0,c0204502,c0b6d8bc,0,0) at netbsd:sysmonioctl_envsys+0x=
 154
 acpiapm_get_powstat(c3d03800,0,c0b6d918,c37d6d90,5) at netbsd:acpiapm_get_p=
 owsta
 t+0xf0
 apm_attach(c3d46400,c3d46400,0,0,0) at netbsd:apm_attach+0x127
 config_attach_loc(c3d03800,c09dee08,0,0,0) at netbsd:config_attach_loc+0x390
 config_found_ia(c3d03800,c0926e9b,0,0,c0b6da40) at netbsd:config_found_ia+0=
 x32
 acpi_attach(c389ff80,c3d03800,c0b6db08,0,c0b6db08) at netbsd:acpi_attach+0x=
 2c5
 config_attach_loc(c389ff80,c09df600,0,c0b6db08,0) at netbsd:config_attach_l=
 oc+0x
 390
 config_found_ia(c389ff80,c0926eec,c0b6db08,0,c0a97710) at netbsd:config_fou=
 nd_ia
 +0x32
 mainbus_attach(0,c389ff80,0,c0b6dbb4,c09dde78) at netbsd:mainbus_attach+0x2=
 04
 config_attach_loc(0,c09dde78,0,0,0) at netbsd:config_attach_loc+0x390
 config_attach(0,c09dde78,0,0,1) at netbsd:config_attach+0x2c
 config_rootfound(c0926454,0,c0b6dc28,c0446caf,c093a44e) at netbsd:config_ro=
 otfou
 nd+0x44
 cpu_configure(c093a44e,0,0,1,c0a84080) at netbsd:cpu_configure+0x2c
 configure(0,1,0,0,ffff) at netbsd:configure+0x2f
 main(fbff,c01002d2,0,0,0) at netbsd:main+0xf5
 db{0}> call simple_lock_dump
 all simple locks:
 0xc0a82ad4 CPU 0 /rest/work/woods/m-NetBSD-wrstuden-fixsa/sys/kern/kern_loc=
 k.c:1476
 0
 db{0}>=20
 
 --=20
                                                Greg A. Woods
                                                Planix, Inc.
 
 <woods%planix.com@localhost>     +1 416 489-5852 x122     
http://www.planix.com/
 
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