Re: ULE nice bugs are fixed.

Ian Freislich wrote:
> It compiles after this change, but didn't come back after reboot.
> I'm no where near the machine at the moment, so I don't know why
> it hasn't come up.

OK, this is why it didn't come back after the reboot: (I've no idea
whether this was caused by my 'fix' or not).  I can supply a more
detailed backtrace if required.

Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
FreeBSD 5.0-CURRENT #16: Fri Apr 11 18:49:07 SAST 2003
    root_at_brane-dead.digs.iafrica.com:/usr/src/sys/i386/compile/BRANE-DEAD
Preloaded elf kernel "/boot/kernel/kernel" at 0xc0485000.
Timecounter "i8254"  frequency 1193182 Hz
Timecounter "TSC"  frequency 267273943 Hz
CPU: Pentium II/Pentium II Xeon/Celeron (267.27-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0x634  Stepping = 4
  Features=0x80fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,MMX>
real memory  = 201261056 (191 MB)
avail memory = 190341120 (181 MB)
Programming 24 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): apic id:  0, version: 0x00040011, at 0xfee00000
 cpu1 (AP):  apic id:  1, version: 0x00040011, at 0xfee00000
 io0 (APIC): apic id:  2, version: 0x00170011, at 0xfec00000
Allocating major#253 to "net"
Allocating major#252 to "g_ctl"
Allocating major#251 to "pci"
Pentium Pro MTRR support enabled
acpi0: <GBT    AWRDACPI> on motherboard
    ACPI-0625: *** Info: GPE Block0 defined as GPE0 to GPE15
pcibios: BIOS version 2.10
Using $PIR table, 8 entries at 0xc00fdc60
acpi0: power button is handled as a fixed feature programming model.
Timecounter "ACPI-safe"  frequency 3579545 Hz
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
acpi_cpu0: <CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0x5000-0x500f,0x4000-0x4041,0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
IOAPIC #0 intpin 16 -> irq 2
IOAPIC #0 intpin 17 -> irq 16
agp0: <Intel 82443LX (440 LX) host to PCI bridge> mem 0xe0000000-0xe3ffffff at device 0.0 on pci0
pcib1: <PCIBIOS PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel PIIX4 UDMA33 controller> port 0xf000-0xf00f at device 7.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xe000-0xe01f irq 12 at device 7.2 on pci0
usb0: <Intel 82371AB/EB (PIIX4) USB controller> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
piix0 port 0x5000-0x500f at device 7.3 on pci0
Timecounter "PIIX"  frequency 3579545 Hz
xl0: <3Com 3c905-TX Fast Etherlink XL> port 0xe400-0xe43f irq 2 at device 8.0 on pci0
xl0: Ethernet address: 00:60:08:0b:2e:c8
miibus0: <MII bus> on xl0
nsphy0: <DP83840 10/100 media interface> on miibus0
nsphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
de0: <Digital 21041 Ethernet> port 0xe800-0xe87f mem 0xea001000-0xea00107f irq 16 at device 9.0 on pci0
de0: DEC DE450-CA 21041 [10Mb/s] pass 1.1
de0: address 00:00:f8:30:dd:c2
ahc0: <Adaptec aic7880 Ultra SCSI adapter> port 0xec00-0xecff mem 0xea000000-0xea000fff irq 2 at device 12.0 on pci0
ahc0: Using left over BIOS settings
aic7880: Ultra Single Channel A, SCSI Id=7, 16/253 SCBs
fdc0: <Enhanced floppy controller (i82077, NE72065 or clone)> port 0x3f7,0x3f2-0x3f5 irq 6 drq 2 on acpi0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A, console
sio1 port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
sio2: configured irq 10 not in bitmap of probed irqs 0
sio2: port may not be enabled
sio2 port 0x2e8-0x2ef irq 10 on acpi0
sio2: type 16550A
ppc0 port 0x778-0x77b,0x378-0x37f irq 7 drq 3 on acpi0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/16 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
npx0: <math processor> on motherboard
npx0: INT 16 interface
orm0: <Option ROMs> at iomem 0xc8000-0xc87ff,0xc0000-0xc7fff on isa0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
A
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: routing 8254 via IOAPIC #0 intpin 2
Timecounters tick every 10.000 msec
ipfw2 initialized, divert enabled, rule-based forwarding enabled, default to deny, logging unlimited
acpi_cpu: throttling enabled, 8 steps (100% to 12.5%), currently 100.0%
Allocating major#250 to "devstat"
ad0: 4103MB <ST34342A> [8894/15/63] at ata0-master UDMA33
Waiting 15 seconds for SCSI devices to settle
SMP: AP CPU #1 Launched!
panic: blockable sleep lock (sleep mutex) process lock _at_ i386/i386/trap.c:728
cpuid = 1; lapic.id = 01000000
Stack backtrace:
backtrace(c0362919,1000000,c03652cc,ce747b10,1) at backtrace+0x17
panic(c03652cc,c0371c9e,c03604f0,c03776f6,2d8) at panic+0x10a
witness_lock(c38b7428,8,c03776f6,2d8,0) at witness_lock+0xaf
_mtx_lock_flags(c38b7428,0,c03776ed,2d8,c3880000) at _mtx_lock_flags+0xb2
trap_pfault(ce747c0c,0,4,0,4) at trap_pfault+0x9d
trap(18,c0360010,10,0,1) at trap+0x3cd
calltrap() at calltrap+0x5
--- trap 0xc, eip = 0xc020ee90, esp = 0xce747c4c, ebp = 0xce747c58 ---
runq_add(0,c0d1a2a0,c036398f,28d,0) at runq_add+0x40
sched_switchout(c3880000,9,c0362eb7,1d1,b10ac11b) at sched_switchout+0x66
mi_switch(c03906c0,0,c03730a2,85,ce747d0c) at mi_switch+0x204
vm_pagezero(0,ce747d48,c03604a3,314,0) at vm_pagezero+0x132
fork_exit(c02eccd0,0,ce747d48) at fork_exit+0xc0
fork_trampoline() at fork_trampoline+0x1a
--- trap 0x1, eip = 0, esp = 0xce747d7c, ebp = 0 ---
boot() called on cpu#1