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Date: Sun, 29 Sep 2002 14:34:23 -0700 (PDT)
From: Paul LeDuc <paul.leduc@appliedheuristics.com>
To: freebsd-gnats-submit@FreeBSD.org
Subject: microuptime () went backwards 
X-Send-Pr-Version: www-1.0

>Number:         43491
>Category:       kern
>Synopsis:       microuptime () went backwards
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Sep 29 14:40:02 PDT 2002
>Closed-Date:    Sat Mar 01 20:09:14 UTC 2008
>Last-Modified:  Sat Mar 01 20:09:14 UTC 2008
>Originator:     Paul LeDuc
>Release:        4.6.2
>Organization:
Applied Heuristics
>Environment:
FreeBSD cbs1.vault.appliedheuristics.com 4.6.2-RELEASE FreeBSD 4.6.2-RELEASE #0: Wed Aug 14 21:23:26 GMT 2002     murray@builder.freebsdmall.com:/usr/src/sys/compile/GENERIC  i386
   
>Description:
microuptime() time went backwards errors received for unknown reason:

FreeBSD Box AMD 1400 MHz processor ASUS A7V266 motherboard ALI chipset 1GB RAM.  

Running Samba 2.2.4 that shipped with 4.6 release purchased at store.  Downloaded and installed 4.6.2. release.  Problem still persists.  

Power management disabled in system BIOS.  As far as the kernel options, it is a default 4.6.2 install.

Output of sysctl kern.timecounter follows:

kern.timecounter.method: 0
kern.timecounter.hardware: i8254

Output of dmesg follows:

Copyright (c) 1992-2002 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 4.6.2-RELEASE #0: Wed Aug 14 21:23:26 GMT 2002
    murray@builder.freebsdmall.com:/usr/src/sys/compile/GENERIC
Timecounter "i8254"  frequency 1193182 Hz
CPU: AMD Athlon(tm) Processor (1410.35-MHz 686-class CPU)
  Origin = "AuthenticAMD"  Id = 0x644  Stepping = 4
  Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
  AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
real memory  = 1073659904 (1048496K bytes)
config> di pcic0
config> di lnc0
config> di ie0
config> di fe0
config> di ed0
config> di cs0
config> q
avail memory = 1040125952 (1015748K bytes)
Preloaded elf kernel "kernel" at 0xc04d0000.
Preloaded userconfig_script "/boot/kernel.conf" at 0xc04d009c.
Pentium Pro MTRR support enabled
md0: Malloc disk
Using $PIR table, 11 entries at 0xc00f1770
npx0: <math processor> on motherboard
npx0: INT 16 interface
pcib0: <Host to PCI bridge> on motherboard
pci0: <PCI bus> on pcib0
pcib1: <AcerLabs M5247 PCI-PCI(AGP Supported) bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <NVidia Riva TNT2 graphics accelerator> at 0.0 irq 11
ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xeb800000-0xeb800fff irq 9 at device 2.0 on pci0
usb0: OHCI version 1.0, legacy support
usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
atapci0: <AcerLabs Aladdin ATA100 controller> port 0xd400-0xd40f at device 4.0 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
ohci1: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xea800000-0xea800fff irq 5 at device 6.0 on pci0
usb1: OHCI version 1.0, legacy support
usb1: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci1
usb1: USB revision 1.0
uhub1: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
isab0: <AcerLabs M1533 portable PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xb400-0xb43f mem 0xe9000000-0xe90fffff,0xe9800000-0xe9800fff irq 10 at device 10.0 on pci0
fxp0: Ethernet address 00:02:b3:4c:6a:f2
inphy0: <i82555 10/100 media interface> on miibus0
inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
chip1: <AcerLabs M15x3 Power Management Unit> at device 17.0 on pci0
orm0: <Option ROMs> at iomem 0xc0000-0xca7ff,0xcc000-0xcd7ff on isa0
fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: FIFO enabled, 8 bytes threshold
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/15 bytes threshold
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
ad0: 76319MB <WDC WD800JB-00CRA1> [155061/16/63] at ata0-master UDMA100
acd0: CDROM <CDU5211> at ata0-slave PIO4
Mounting root from ufs:/dev/ad0s1a
microuptime() went backwards (1385.085543 -> 1385.-695290762)
cd9660: RockRidge Extension

contents of var log messages file follows:

Sep  5 11:00:00 cbs1 newsyslog[169]: logfile turned over
Sep  5 11:09:13 cbs1 login: ROOT LOGIN (root) ON ttyv0
Sep  5 11:56:30 cbs1 named[78]: denied update from [192.168.1.2].1079 for "vault.appliedheuristics.com" IN
Sep  5 12:01:30 cbs1 named[78]: denied update from [192.168.1.2].1087 for "vault.appliedheuristics.com" IN
Sep  5 12:11:30 cbs1 named[78]: denied update from [192.168.1.2].1096 for "vault.appliedheuristics.com" IN
Sep  5 13:11:30 cbs1 named[78]: denied update from [192.168.1.2].1104 for "vault.appliedheuristics.com" IN
Sep  5 13:16:30 cbs1 named[78]: denied update from [192.168.1.2].1112 for "vault.appliedheuristics.com" IN
Sep  5 13:26:30 cbs1 named[78]: denied update from [192.168.1.2].1120 for "vault.appliedheuristics.com" IN
Sep  5 14:24:13 cbs1 /kernel: microuptime() went backwards (12714.083578 -> 12714.-695292715)
Sep  5 14:26:30 cbs1 named[78]: denied update from [192.168.1.2].1128 for "vault.appliedheuristics.com" IN
Sep  5 14:31:30 cbs1 named[78]: denied update from [192.168.1.2].1136 for "vault.appliedheuristics.com" IN
Sep  5 14:41:30 cbs1 named[78]: denied update from [192.168.1.2].1144 for "vault.appliedheuristics.com" IN
Sep  5 15:41:30 cbs1 named[78]: denied update from [192.168.1.2].1152 for "vault.appliedheuristics.com" IN
Sep  5 15:46:30 cbs1 named[78]: denied update from [192.168.1.2].1160 for "vault.appliedheuristics.com" IN
Sep  5 15:56:30 cbs1 named[78]: denied update from [192.168.1.2].1168 for "vault.appliedheuristics.com" IN
Sep  5 16:56:30 cbs1 named[78]: denied update from [192.168.1.2].1176 for "vault.appliedheuristics.com" IN
Sep  5 17:01:30 cbs1 named[78]: denied update from [192.168.1.2].1184 for "vault.appliedheuristics.com" IN
Sep  5 17:11:30 cbs1 named[78]: denied update from [192.168.1.2].1192 for "vault.appliedheuristics.com" IN
Sep  5 18:11:30 cbs1 named[78]: denied update from [192.168.1.2].1200 for "vault.appliedheuristics.com" IN
Sep  5 18:16:30 cbs1 named[78]: denied update from [192.168.1.2].1208 for "vault.appliedheuristics.com" IN
Sep  5 18:26:30 cbs1 named[78]: denied update from [192.168.1.2].1216 for "vault.appliedheuristics.com" IN
Sep  5 19:26:30 cbs1 named[78]: denied update from [192.168.1.2].1224 for "vault.appliedheuristics.com" IN
Sep  5 19:31:30 cbs1 named[78]: denied update from [192.168.1.2].1232 for "vault.appliedheuristics.com" IN
Sep  5 19:41:30 cbs1 named[78]: denied update from [192.168.1.2].1240 for "vault.appliedheuristics.com" IN
Sep  5 20:25:28 cbs1 /kernel: microuptime() went backwards (34389.620624 -> 34389.-694755730)
Sep  5 20:36:21 cbs1 /kernel: microuptime() went backwards (35042.790904 -> 35042.-694585802)
Sep  5 20:41:30 cbs1 named[78]: denied update from [192.168.1.2].1252 for "vault.appliedheuristics.com" IN
Sep  5 20:46:30 cbs1 named[78]: denied update from [192.168.1.2].1260 for "vault.appliedheuristics.com" IN
Sep  5 20:56:30 cbs1 named[78]: denied update from [192.168.1.2].1268 for "vault.appliedheuristics.com" IN
Sep  5 21:56:30 cbs1 named[78]: denied update from [192.168.1.2].1276 for "vault.appliedheuristics.com" IN
Sep  5 22:01:30 cbs1 named[78]: denied update from [192.168.1.2].1284 for "vault.appliedheuristics.com" IN
Sep  5 22:11:30 cbs1 named[78]: denied update from [192.168.1.2].1292 for "vault.appliedheuristics.com" IN
Sep  5 23:11:30 cbs1 named[78]: denied update from [192.168.1.2].1300 for "vault.appliedheuristics.com" IN
Sep  5 23:16:30 cbs1 named[78]: denied update from [192.168.1.2].1308 for "vault.appliedheuristics.com" IN
Sep  5 23:26:30 cbs1 named[78]: denied update from [192.168.1.2].1316 for "vault.appliedheuristics.com" IN
Sep  6 00:26:30 cbs1 named[78]: denied update from [192.168.1.2].1324 for "vault.appliedheuristics.com" IN
Sep  6 00:31:30 cbs1 named[78]: denied update from [192.168.1.2].1332 for "vault.appliedheuristics.com" IN
Sep  6 00:41:30 cbs1 named[78]: denied update from [192.168.1.2].1340 for "vault.appliedheuristics.com" IN
Sep  6 01:41:30 cbs1 named[78]: denied update from [192.168.1.2].1352 for "vault.appliedheuristics.com" IN
Sep  6 01:46:30 cbs1 named[78]: denied update from [192.168.1.2].1360 for "vault.appliedheuristics.com" IN
Sep  6 01:56:30 cbs1 named[78]: denied update from [192.168.1.2].1368 for "vault.appliedheuristics.com" IN
Sep  6 02:56:30 cbs1 named[78]: denied update from [192.168.1.2].1376 for "vault.appliedheuristics.com" IN
Sep  6 03:01:30 cbs1 named[78]: denied update from [192.168.1.2].1384 for "vault.appliedheuristics.com" IN
Sep  6 03:11:30 cbs1 named[78]: denied update from [192.168.1.2].1392 for "vault.appliedheuristics.com" IN
Sep  6 04:11:30 cbs1 named[78]: denied update from [192.168.1.2].1400 for "vault.appliedheuristics.com" IN
Sep  6 04:16:30 cbs1 named[78]: denied update from [192.168.1.2].1408 for "vault.appliedheuristics.com" IN
Sep  6 04:26:30 cbs1 named[78]: denied update from [192.168.1.2].1416 for "vault.appliedheuristics.com" IN
Sep  6 05:26:31 cbs1 named[78]: denied update from [192.168.1.2].1424 for "vault.appliedheuristics.com" IN
Sep  6 05:31:31 cbs1 named[78]: denied update from [192.168.1.2].1432 for "vault.appliedheuristics.com" IN
Sep  6 05:41:31 cbs1 named[78]: denied update from [192.168.1.2].1440 for "vault.appliedheuristics.com" IN
Sep  6 06:41:31 cbs1 named[78]: denied update from [192.168.1.2].1451 for "vault.appliedheuristics.com" IN
Sep  6 06:46:31 cbs1 named[78]: denied update from [192.168.1.2].1459 for "vault.appliedheuristics.com" IN
Sep  6 06:56:31 cbs1 named[78]: denied update from [192.168.1.2].1467 for "vault.appliedheuristics.com" IN
Sep  6 07:56:31 cbs1 named[78]: denied update from [192.168.1.2].1475 for "vault.appliedheuristics.com" IN
Sep  6 08:01:31 cbs1 named[78]: denied update from [192.168.1.2].1483 for "vault.appliedheuristics.com" IN
Sep  6 08:11:31 cbs1 named[78]: denied update from [192.168.1.2].1494 for "vault.appliedheuristics.com" IN
Sep  6 09:10:21 cbs1 /kernel: microuptime() went backwards (80282.665946 -> 80282.-694713397)
Sep  6 09:11:31 cbs1 named[78]: denied update from [192.168.1.2].1503 for "vault.appliedheuristics.com" IN
Sep  6 09:16:31 cbs1 named[78]: denied update from [192.168.1.2].1511 for "vault.appliedheuristics.com" IN
Sep  6 09:26:31 cbs1 named[78]: denied update from [192.168.1.2].1519 for "vault.appliedheuristics.com" IN
Sep  6 10:26:31 cbs1 named[78]: denied update from [192.168.1.2].1530 for "vault.appliedheuristics.com" IN
Sep  6 10:31:31 cbs1 named[78]: denied update from [192.168.1.2].1538 for "vault.appliedheuristics.com" IN
Sep  6 10:41:31 cbs1 named[78]: denied update from [192.168.1.2].1546 for "vault.appliedheuristics.com" IN
Sep  6 11:41:31 cbs1 named[78]: denied update from [192.168.1.2].1559 for "vault.appliedheuristics.com" IN
Sep  6 11:46:31 cbs1 named[78]: denied update from [192.168.1.2].1567 for "vault.appliedheuristics.com" IN
Sep  6 11:56:31 cbs1 named[78]: denied update from [192.168.1.2].1575 for "vault.appliedheuristics.com" IN
Sep  6 12:56:31 cbs1 named[78]: denied update from [192.168.1.2].1583 for "vault.appliedheuristics.com" IN
Sep  6 13:01:31 cbs1 named[78]: denied update from [192.168.1.2].1591 for "vault.appliedheuristics.com" IN
Sep  6 13:11:31 cbs1 named[78]: denied update from [192.168.1.2].1599 for "vault.appliedheuristics.com" IN
Sep  6 14:11:31 cbs1 named[78]: denied update from [192.168.1.2].1607 for "vault.appliedheuristics.com" IN
Sep  6 14:16:31 cbs1 named[78]: denied update from [192.168.1.2].1615 for "vault.appliedheuristics.com" IN
Sep  6 14:26:31 cbs1 named[78]: denied update from [192.168.1.2].1623 for "vault.appliedheuristics.com" IN
Sep  6 15:26:31 cbs1 named[78]: denied update from [192.168.1.2].1631 for "vault.appliedheuristics.com" IN
Sep  6 15:31:31 cbs1 named[78]: denied update from [192.168.1.2].1639 for "vault.appliedheuristics.com" IN
Sep  6 15:41:31 cbs1 named[78]: denied update from [192.168.1.2].1649 for "vault.appliedheuristics.com" IN
Sep  6 16:41:31 cbs1 named[78]: denied update from [192.168.1.2].1657 for "vault.appliedheuristics.com" IN
Sep  6 16:46:31 cbs1 named[78]: denied update from [192.168.1.2].1665 for "vault.appliedheuristics.com" IN
Sep  6 16:56:31 cbs1 named[78]: denied update from [192.168.1.2].1673 for "vault.appliedheuristics.com" IN
Sep  6 17:56:31 cbs1 named[78]: denied update from [192.168.1.2].1681 for "vault.appliedheuristics.com" IN
Sep  6 18:01:31 cbs1 named[78]: denied update from [192.168.1.2].1689 for "vault.appliedheuristics.com" IN
Sep  6 18:11:31 cbs1 named[78]: denied update from [192.168.1.2].1697 for "vault.appliedheuristics.com" IN
Sep  6 19:11:31 cbs1 named[78]: denied update from [192.168.1.2].1705 for "vault.appliedheuristics.com" IN
Sep  6 19:16:31 cbs1 named[78]: denied update from [192.168.1.2].1713 for "vault.appliedheuristics.com" IN
Sep  6 19:26:31 cbs1 named[78]: denied update from [192.168.1.2].1721 for "vault.appliedheuristics.com" IN
Sep  6 20:26:31 cbs1 named[78]: denied update from [192.168.1.2].1729 for "vault.appliedheuristics.com" IN
Sep  6 20:31:31 cbs1 named[78]: denied update from [192.168.1.2].1737 for "vault.appliedheuristics.com" IN
Sep  6 20:41:31 cbs1 named[78]: denied update from [192.168.1.2].1745 for "vault.appliedheuristics.com" IN
Sep  6 21:41:31 cbs1 named[78]: denied update from [192.168.1.2].1756 for "vault.appliedheuristics.com" IN
Sep  6 21:46:31 cbs1 named[78]: denied update from [192.168.1.2].1764 for "vault.appliedheuristics.com" IN
Sep  6 21:56:31 cbs1 named[78]: denied update from [192.168.1.2].1772 for "vault.appliedheuristics.com" IN
Sep  6 22:56:31 cbs1 named[78]: denied update from [192.168.1.2].1782 for "vault.appliedheuristics.com" IN
Sep  6 23:01:31 cbs1 named[78]: denied update from [192.168.1.2].1790 for "vault.appliedheuristics.com" IN
Sep  6 23:11:31 cbs1 named[78]: denied update from [192.168.1.2].1798 for "vault.appliedheuristics.com" IN
Sep  7 00:11:31 cbs1 named[78]: denied update from [192.168.1.2].1806 for "vault.appliedheuristics.com" IN
Sep  7 00:16:31 cbs1 named[78]: denied update from [192.168.1.2].1816 for "vault.appliedheuristics.com" IN
Sep  7 00:26:31 cbs1 named[78]: denied update from [192.168.1.2].1827 for "vault.appliedheuristics.com" IN
Sep  7 01:26:31 cbs1 named[78]: denied update from [192.168.1.2].1835 for "vault.appliedheuristics.com" IN
Sep  7 01:31:31 cbs1 named[78]: denied update from [192.168.1.2].1843 for "vault.appliedheuristics.com" IN
Sep  7 01:41:31 cbs1 named[78]: denied update from [192.168.1.2].1851 for "vault.appliedheuristics.com" IN
Sep  7 02:41:31 cbs1 named[78]: denied update from [192.168.1.2].1862 for "vault.appliedheuristics.com" IN
Sep  7 02:46:31 cbs1 named[78]: denied update from [192.168.1.2].1870 for "vault.appliedheuristics.com" IN
Sep  7 02:56:31 cbs1 named[78]: denied update from [192.168.1.2].1878 for "vault.appliedheuristics.com" IN
Sep  7 03:56:31 cbs1 named[78]: denied update from [192.168.1.2].1889 for "vault.appliedheuristics.com" IN
Sep  7 04:01:31 cbs1 named[78]: denied update from [192.168.1.2].1897 for "vault.appliedheuristics.com" IN
Sep  7 04:11:31 cbs1 named[78]: denied update from [192.168.1.2].1905 for "vault.appliedheuristics.com" IN
Sep  7 05:11:31 cbs1 named[78]: denied update from [192.168.1.2].1913 for "vault.appliedheuristics.com" IN
Sep  7 05:16:31 cbs1 named[78]: denied update from [192.168.1.2].1921 for "vault.appliedheuristics.com" IN
Sep  7 05:26:31 cbs1 named[78]: denied update from [192.168.1.2].1929 for "vault.appliedheuristics.com" IN
Sep  7 06:26:31 cbs1 named[78]: denied update from [192.168.1.2].1937 for "vault.appliedheuristics.com" IN
Sep  7 06:31:32 cbs1 named[78]: denied update from [192.168.1.2].1945 for "vault.appliedheuristics.com" IN
Sep  7 06:41:32 cbs1 named[78]: denied update from [192.168.1.2].1953 for "vault.appliedheuristics.com" IN
Sep  7 07:41:32 cbs1 named[78]: denied update from [192.168.1.2].1961 for "vault.appliedheuristics.com" IN
Sep  7 07:46:32 cbs1 named[78]: denied update from [192.168.1.2].1969 for "vault.appliedheuristics.com" IN
Sep  7 07:56:32 cbs1 named[78]: denied update from [192.168.1.2].1977 for "vault.appliedheuristics.com" IN
Sep  7 08:56:32 cbs1 named[78]: denied update from [192.168.1.2].1985 for "vault.appliedheuristics.com" IN
Sep  7 09:01:32 cbs1 named[78]: denied update from [192.168.1.2].1993 for "vault.appliedheuristics.com" IN
Sep  7 09:11:32 cbs1 named[78]: denied update from [192.168.1.2].2001 for "vault.appliedheuristics.com" IN
Sep  7 10:01:58 cbs1 syslogd: exiting on signal 15
Sep  7 10:04:45 cbs1 /kernel: Copyright (c) 1992-2002 The FreeBSD Project.
Sep  7 10:04:45 cbs1 /kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
Sep  7 10:04:45 cbs1 /kernel: The Regents of the University of California. All rights reserved.
Sep  7 10:04:45 cbs1 /kernel: FreeBSD 4.6.2-RELEASE #0: Wed Aug 14 21:23:26 GMT 2002
Sep  7 10:04:45 cbs1 /kernel: murray@builder.freebsdmall.com:/usr/src/sys/compile/GENERIC
Sep  7 10:04:45 cbs1 /kernel: Timecounter "i8254"  frequency 1193182 Hz
Sep  7 10:04:45 cbs1 /kernel: CPU: AMD Athlon(tm) Processor (1410.35-MHz 686-class CPU)
Sep  7 10:04:45 cbs1 /kernel: Origin = "AuthenticAMD"  Id = 0x644  Stepping = 4
Sep  7 10:04:45 cbs1 /kernel: Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
Sep  7 10:04:45 cbs1 /kernel: AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
Sep  7 10:04:45 cbs1 /kernel: real memory  = 1073659904 (1048496K bytes)
Sep  7 10:04:45 cbs1 /kernel: config> di pcic0
Sep  7 10:04:45 cbs1 /kernel: config> di lnc0
Sep  7 10:04:45 cbs1 /kernel: config> di ie0
Sep  7 10:04:45 cbs1 /kernel: config> di fe0
Sep  7 10:04:45 cbs1 /kernel: config> di ed0
Sep  7 10:04:45 cbs1 /kernel: config> di cs0
Sep  7 10:04:45 cbs1 /kernel: config> q
Sep  7 10:04:45 cbs1 /kernel: avail memory = 1040125952 (1015748K bytes)
Sep  7 10:04:45 cbs1 /kernel: Preloaded elf kernel "kernel" at 0xc04d0000.
Sep  7 10:04:45 cbs1 /kernel: Preloaded userconfig_script "/boot/kernel.conf" at 0xc04d009c.
Sep  7 10:04:45 cbs1 /kernel: Pentium Pro MTRR support enabled
Sep  7 10:04:45 cbs1 /kernel: md0: Malloc disk
Sep  7 10:04:45 cbs1 /kernel: Using $PIR table, 11 entries at 0xc00f1770
Sep  7 10:04:45 cbs1 /kernel: npx0: <math processor> on motherboard
Sep  7 10:04:45 cbs1 /kernel: npx0: INT 16 interface
Sep  7 10:04:45 cbs1 /kernel: pcib0: <Host to PCI bridge> on motherboard
Sep  7 10:04:45 cbs1 /kernel: pci0: <PCI bus> on pcib0
Sep  7 10:04:45 cbs1 /kernel: pcib1: <AcerLabs M5247 PCI-PCI(AGP Supported) bridge> at device 1.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: pci1: <PCI bus> on pcib1
Sep  7 10:04:45 cbs1 /kernel: pci1: <NVidia Riva TNT2 graphics accelerator> at 0.0 irq 11
Sep  7 10:04:45 cbs1 /kernel: ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xeb800000-0xeb800fff irq 9 at device 2.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: usb0: OHCI version 1.0, legacy support
Sep  7 10:04:45 cbs1 /kernel: usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0
Sep  7 10:04:45 cbs1 /kernel: usb0: USB revision 1.0
Sep  7 10:04:45 cbs1 /kernel: uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Sep  7 10:04:45 cbs1 /kernel: uhub0: 4 ports with 4 removable, self powered
Sep  7 10:04:45 cbs1 /kernel: atapci0: <AcerLabs Aladdin ATA100 controller> port 0xd400-0xd40f at device 4.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: ata0: at 0x1f0 irq 14 on atapci0
Sep  7 10:04:45 cbs1 /kernel: ata1: at 0x170 irq 15 on atapci0
Sep  7 10:04:45 cbs1 /kernel: ohci1: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xea800000-0xea800fff irq 5 at device 6.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: usb1: OHCI version 1.0, legacy support
Sep  7 10:04:45 cbs1 /kernel: usb1: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci1
Sep  7 10:04:45 cbs1 /kernel: usb1: USB revision 1.0
Sep  7 10:04:45 cbs1 /kernel: uhub1: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Sep  7 10:04:45 cbs1 /kernel: uhub1: 2 ports with 2 removable, self powered
Sep  7 10:04:45 cbs1 /kernel: isab0: <AcerLabs M1533 portable PCI-ISA bridge> at device 7.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: isa0: <ISA bus> on isab0
Sep  7 10:04:45 cbs1 /kernel: fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xb400-0xb43f mem 0xe9000000-0xe90fffff,0xe9800000-0xe9800fff irq 10 at device 10.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: fxp0: Ethernet address 00:02:b3:4c:6a:f2
Sep  7 10:04:45 cbs1 /kernel: inphy0: <i82555 10/100 media interface> on miibus0
Sep  7 10:04:45 cbs1 /kernel: inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
Sep  7 10:04:45 cbs1 /kernel: chip1: <AcerLabs M15x3 Power Management Unit> at device 17.0 on pci0
Sep  7 10:04:45 cbs1 /kernel: orm0: <Option ROMs> at iomem 0xc0000-0xca7ff,0xcc000-0xcd7ff on isa0
Sep  7 10:04:45 cbs1 /kernel: fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
Sep  7 10:04:45 cbs1 /kernel: fdc0: FIFO enabled, 8 bytes threshold
Sep  7 10:04:45 cbs1 /kernel: fd0: <1440-KB 3.5" drive> on fdc0 drive 0
Sep  7 10:04:45 cbs1 /kernel: atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
Sep  7 10:04:45 cbs1 /kernel: atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
Sep  7 10:04:45 cbs1 /kernel: kbd0 at atkbd0
Sep  7 10:04:45 cbs1 /kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Sep  7 10:04:45 cbs1 /kernel: psm0: model Generic PS/2 mouse, device ID 0
Sep  7 10:04:45 cbs1 /kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Sep  7 10:04:45 cbs1 /kernel: sc0: <System console> at flags 0x100 on isa0
Sep  7 10:04:45 cbs1 /kernel: sc0: VGA <16 virtual consoles, flags=0x300>
Sep  7 10:04:45 cbs1 /kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
Sep  7 10:04:45 cbs1 /kernel: sio0: type 16550A
Sep  7 10:04:45 cbs1 /kernel: sio1 at port 0x2f8-0x2ff irq 3 on isa0
Sep  7 10:04:45 cbs1 /kernel: sio1: type 16550A
Sep  7 10:04:45 cbs1 /kernel: ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
Sep  7 10:04:45 cbs1 /kernel: ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
Sep  7 10:04:45 cbs1 /kernel: ppc0: FIFO with 16/16/15 bytes threshold
Sep  7 10:04:45 cbs1 /kernel: plip0: <PLIP network interface> on ppbus0
Sep  7 10:04:45 cbs1 /kernel: lpt0: <Printer> on ppbus0
Sep  7 10:04:45 cbs1 /kernel: lpt0: Interrupt-driven port
Sep  7 10:04:45 cbs1 /kernel: ppi0: <Parallel I/O> on ppbus0
Sep  7 10:04:45 cbs1 /kernel: ad0: 76319MB <WDC WD800JB-00CRA1> [155061/16/63] at ata0-master UDMA100
Sep  7 10:04:45 cbs1 /kernel: acd0: CDROM <CDU5211> at ata0-slave PIO4
Sep  7 10:04:45 cbs1 /kernel: Mounting root from ufs:/dev/ad0s1a
Sep  7 10:04:45 cbs1 named[77]: starting (/etc/namedb/named.conf).  named 8.3.3-REL Wed Aug 14 18:57:01 GMT 2002 	murray@builder.freebsdmall.com:/usr/obj/usr/src/usr.sbin/named
Sep  7 10:04:45 cbs1 named[77]: limit files set to fdlimit (1024)
Sep  7 10:04:45 cbs1 named[78]: Ready to answer queries.
Sep  7 10:11:28 cbs1 named[78]: denied update from [192.168.1.2].2009 for "vault.appliedheuristics.com" IN
Sep  7 10:14:11 cbs1 syslogd: exiting on signal 15
Sep  7 10:15:50 cbs1 /kernel: Copyright (c) 1992-2002 The FreeBSD Project.
Sep  7 10:15:50 cbs1 /kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
Sep  7 10:15:50 cbs1 /kernel: The Regents of the University of California. All rights reserved.
Sep  7 10:15:50 cbs1 /kernel: FreeBSD 4.6.2-RELEASE #0: Wed Aug 14 21:23:26 GMT 2002
Sep  7 10:15:50 cbs1 /kernel: murray@builder.freebsdmall.com:/usr/src/sys/compile/GENERIC
Sep  7 10:15:50 cbs1 /kernel: Timecounter "i8254"  frequency 1193182 Hz
Sep  7 10:15:50 cbs1 /kernel: CPU: AMD Athlon(tm) Processor (1410.35-MHz 686-class CPU)
Sep  7 10:15:50 cbs1 /kernel: Origin = "AuthenticAMD"  Id = 0x644  Stepping = 4
Sep  7 10:15:50 cbs1 /kernel: Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
Sep  7 10:15:50 cbs1 /kernel: AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
Sep  7 10:15:50 cbs1 /kernel: real memory  = 1073659904 (1048496K bytes)
Sep  7 10:15:50 cbs1 /kernel: config> di pcic0
Sep  7 10:15:50 cbs1 /kernel: config> di lnc0
Sep  7 10:15:50 cbs1 /kernel: config> di ie0
Sep  7 10:15:50 cbs1 /kernel: config> di fe0
Sep  7 10:15:50 cbs1 /kernel: config> di ed0
Sep  7 10:15:50 cbs1 /kernel: config> di cs0
Sep  7 10:15:50 cbs1 /kernel: config> q
Sep  7 10:15:50 cbs1 /kernel: avail memory = 1040125952 (1015748K bytes)
Sep  7 10:15:50 cbs1 /kernel: Preloaded elf kernel "kernel" at 0xc04d0000.
Sep  7 10:15:50 cbs1 /kernel: Preloaded userconfig_script "/boot/kernel.conf" at 0xc04d009c.
Sep  7 10:15:50 cbs1 /kernel: Pentium Pro MTRR support enabled
Sep  7 10:15:50 cbs1 /kernel: md0: Malloc disk
Sep  7 10:15:50 cbs1 /kernel: Using $PIR table, 11 entries at 0xc00f1770
Sep  7 10:15:50 cbs1 /kernel: npx0: <math processor> on motherboard
Sep  7 10:15:50 cbs1 /kernel: npx0: INT 16 interface
Sep  7 10:15:50 cbs1 /kernel: pcib0: <Host to PCI bridge> on motherboard
Sep  7 10:15:50 cbs1 /kernel: pci0: <PCI bus> on pcib0
Sep  7 10:15:50 cbs1 /kernel: pcib1: <AcerLabs M5247 PCI-PCI(AGP Supported) bridge> at device 1.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: pci1: <PCI bus> on pcib1
Sep  7 10:15:50 cbs1 /kernel: pci1: <NVidia Riva TNT2 graphics accelerator> at 0.0 irq 11
Sep  7 10:15:50 cbs1 /kernel: ohci0: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xeb800000-0xeb800fff irq 9 at device 2.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: usb0: OHCI version 1.0, legacy support
Sep  7 10:15:50 cbs1 /kernel: usb0: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci0
Sep  7 10:15:50 cbs1 /kernel: usb0: USB revision 1.0
Sep  7 10:15:50 cbs1 /kernel: uhub0: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Sep  7 10:15:50 cbs1 /kernel: uhub0: 4 ports with 4 removable, self powered
Sep  7 10:15:50 cbs1 /kernel: atapci0: <AcerLabs Aladdin ATA100 controller> port 0xd400-0xd40f at device 4.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: ata0: at 0x1f0 irq 14 on atapci0
Sep  7 10:15:50 cbs1 /kernel: ata1: at 0x170 irq 15 on atapci0
Sep  7 10:15:50 cbs1 /kernel: ohci1: <AcerLabs M5237 (Aladdin-V) USB controller> mem 0xea800000-0xea800fff irq 5 at device 6.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: usb1: OHCI version 1.0, legacy support
Sep  7 10:15:50 cbs1 /kernel: usb1: <AcerLabs M5237 (Aladdin-V) USB controller> on ohci1
Sep  7 10:15:50 cbs1 /kernel: usb1: USB revision 1.0
Sep  7 10:15:50 cbs1 /kernel: uhub1: AcerLabs OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
Sep  7 10:15:50 cbs1 /kernel: uhub1: 2 ports with 2 removable, self powered
Sep  7 10:15:50 cbs1 /kernel: isab0: <AcerLabs M1533 portable PCI-ISA bridge> at device 7.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: isa0: <ISA bus> on isab0
Sep  7 10:15:50 cbs1 /kernel: fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xb400-0xb43f mem 0xe9000000-0xe90fffff,0xe9800000-0xe9800fff irq 10 at device 10.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: fxp0: Ethernet address 00:02:b3:4c:6a:f2
Sep  7 10:15:50 cbs1 /kernel: inphy0: <i82555 10/100 media interface> on miibus0
Sep  7 10:15:50 cbs1 /kernel: inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
Sep  7 10:15:50 cbs1 /kernel: chip1: <AcerLabs M15x3 Power Management Unit> at device 17.0 on pci0
Sep  7 10:15:50 cbs1 /kernel: orm0: <Option ROMs> at iomem 0xc0000-0xca7ff,0xcc000-0xcd7ff on isa0
Sep  7 10:15:50 cbs1 /kernel: fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
Sep  7 10:15:50 cbs1 /kernel: fdc0: FIFO enabled, 8 bytes threshold
Sep  7 10:15:50 cbs1 /kernel: fd0: <1440-KB 3.5" drive> on fdc0 drive 0
Sep  7 10:15:50 cbs1 /kernel: atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
Sep  7 10:15:50 cbs1 /kernel: atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
Sep  7 10:15:50 cbs1 /kernel: kbd0 at atkbd0
Sep  7 10:15:50 cbs1 /kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Sep  7 10:15:50 cbs1 /kernel: psm0: model Generic PS/2 mouse, device ID 0
Sep  7 10:15:50 cbs1 /kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Sep  7 10:15:50 cbs1 /kernel: sc0: <System console> at flags 0x100 on isa0
Sep  7 10:15:50 cbs1 /kernel: sc0: VGA <16 virtual consoles, flags=0x300>
Sep  7 10:15:50 cbs1 /kernel: sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
Sep  7 10:15:50 cbs1 /kernel: sio0: type 16550A
Sep  7 10:15:50 cbs1 /kernel: sio1 at port 0x2f8-0x2ff irq 3 on isa0
Sep  7 10:15:50 cbs1 /kernel: sio1: type 16550A
Sep  7 10:15:50 cbs1 /kernel: ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
Sep  7 10:15:50 cbs1 /kernel: ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
Sep  7 10:15:50 cbs1 /kernel: ppc0: FIFO with 16/16/15 bytes threshold
Sep  7 10:15:50 cbs1 /kernel: plip0: <PLIP network interface> on ppbus0
Sep  7 10:15:50 cbs1 /kernel: lpt0: <Printer> on ppbus0
Sep  7 10:15:50 cbs1 /kernel: lpt0: Interrupt-driven port
Sep  7 10:15:50 cbs1 /kernel: ppi0: <Parallel I/O> on ppbus0
Sep  7 10:15:50 cbs1 /kernel: ad0: 76319MB <WDC WD800JB-00CRA1> [155061/16/63] at ata0-master UDMA100
Sep  7 10:15:50 cbs1 /kernel: acd0: CDROM <CDU5211> at ata0-slave PIO4
Sep  7 10:15:50 cbs1 /kernel: Mounting root from ufs:/dev/ad0s1a
Sep  7 10:15:50 cbs1 named[77]: starting (/etc/namedb/named.conf).  named 8.3.3-REL Wed Aug 14 18:57:01 GMT 2002 	murray@builder.freebsdmall.com:/usr/obj/usr/src/usr.sbin/named
Sep  7 10:15:50 cbs1 named[77]: limit files set to fdlimit (1024)
Sep  7 10:15:50 cbs1 named[78]: Ready to answer queries.
Sep  7 10:16:10 cbs1 login: ROOT LOGIN (root) ON ttyv0
Sep  7 10:16:28 cbs1 named[78]: denied update from [192.168.1.2].2017 for "vault.appliedheuristics.com" IN
Sep  7 10:26:28 cbs1 named[78]: denied update from [192.168.1.2].2028 for "vault.appliedheuristics.com" IN
Sep  7 10:38:54 cbs1 /kernel: microuptime() went backwards (1385.085543 -> 1385.-695290762)
Sep  7 11:26:28 cbs1 named[78]: denied update from [192.168.1.2].2040 for "vault.appliedheuristics.com" IN
Sep  7 11:31:28 cbs1 named[78]: denied update from [192.168.1.2].2048 for "vault.appliedheuristics.com" IN
Sep  7 11:41:28 cbs1 named[78]: denied update from [192.168.1.2].2056 for "vault.appliedheuristics.com" IN
Sep  7 12:41:28 cbs1 named[78]: denied update from [192.168.1.2].2064 for "vault.appliedheuristics.com" IN
Sep  7 12:46:28 cbs1 named[78]: denied update from [192.168.1.2].2072 for "vault.appliedheuristics.com" IN
Sep  7 12:56:28 cbs1 named[78]: denied update from [192.168.1.2].2080 for "vault.appliedheuristics.com" IN
Sep  7 13:56:28 cbs1 named[78]: denied update from [192.168.1.2].2088 for "vault.appliedheuristics.com" IN
Sep  7 14:01:29 cbs1 named[78]: denied update from [192.168.1.2].2096 for "vault.appliedheuristics.com" IN
Sep  7 14:11:29 cbs1 named[78]: denied update from [192.168.1.2].2104 for "vault.appliedheuristics.com" IN
Sep  7 15:11:29 cbs1 named[78]: denied update from [192.168.1.2].2112 for "vault.appliedheuristics.com" IN
Sep  7 15:16:29 cbs1 named[78]: denied update from [192.168.1.2].2120 for "vault.appliedheuristics.com" IN
Sep  7 15:26:29 cbs1 named[78]: denied update from [192.168.1.2].2128 for "vault.appliedheuristics.com" IN
Sep  7 16:26:29 cbs1 named[78]: denied update from [192.168.1.2].2136 for "vault.appliedheuristics.com" IN
Sep  7 16:31:29 cbs1 named[78]: denied update from [192.168.1.2].2144 for "vault.appliedheuristics.com" IN
Sep  7 16:41:29 cbs1 named[78]: denied update from [192.168.1.2].2152 for "vault.appliedheuristics.com" IN
Sep  7 17:41:29 cbs1 named[78]: denied update from [192.168.1.2].2160 for "vault.appliedheuristics.com" IN
Sep  7 17:46:29 cbs1 named[78]: denied update from [192.168.1.2].2168 for "vault.appliedheuristics.com" IN
Sep  7 17:56:29 cbs1 named[78]: denied update from [192.168.1.2].2176 for "vault.appliedheuristics.com" IN
Sep  7 18:56:29 cbs1 named[78]: denied update from [192.168.1.2].2184 for "vault.appliedheuristics.com" IN
Sep  7 19:01:29 cbs1 named[78]: denied update from [192.168.1.2].2192 for "vault.appliedheuristics.com" IN
Sep  7 19:11:29 cbs1 named[78]: denied update from [192.168.1.2].2200 for "vault.appliedheuristics.com" IN
Sep  7 20:11:29 cbs1 named[78]: denied update from [192.168.1.2].2211 for "vault.appliedheuristics.com" IN
Sep  7 20:16:29 cbs1 named[78]: denied update from [192.168.1.2].2219 for "vault.appliedheuristics.com" IN
Sep  7 20:26:29 cbs1 named[78]: denied update from [192.168.1.2].2227 for "vault.appliedheuristics.com" IN
Sep  7 21:26:29 cbs1 named[78]: denied update from [192.168.1.2].2235 for "vault.appliedheuristics.com" IN
Sep  7 21:31:29 cbs1 named[78]: denied update from [192.168.1.2].2243 for "vault.appliedheuristics.com" IN
Sep  7 21:41:29 cbs1 named[78]: denied update from [192.168.1.2].2251 for "vault.appliedheuristics.com" IN
Sep  7 22:41:29 cbs1 named[78]: denied update from [192.168.1.2].2259 for "vault.appliedheuristics.com" IN
Sep  7 22:46:29 cbs1 named[78]: denied update from [192.168.1.2].2267 for "vault.appliedheuristics.com" IN
Sep  7 22:56:29 cbs1 named[78]: denied update from [192.168.1.2].2278 for "vault.appliedheuristics.com" IN
Sep  7 23:56:29 cbs1 named[78]: denied update from [192.168.1.2].2286 for "vault.appliedheuristics.com" IN
Sep  8 00:01:29 cbs1 named[78]: denied update from [192.168.1.2].2294 for "vault.appliedheuristics.com" IN
Sep  8 00:11:29 cbs1 named[78]: denied update from [192.168.1.2].2302 for "vault.appliedheuristics.com" IN
Sep  8 01:11:29 cbs1 named[78]: denied update from [192.168.1.2].2310 for "vault.appliedheuristics.com" IN
Sep  8 01:16:29 cbs1 named[78]: denied update from [192.168.1.2].2318 for "vault.appliedheuristics.com" IN
Sep  8 01:26:29 cbs1 named[78]: denied update from [192.168.1.2].2326 for "vault.appliedheuristics.com" IN
Sep  8 02:26:29 cbs1 named[78]: denied update from [192.168.1.2].2337 for "vault.appliedheuristics.com" IN
Sep  8 02:31:29 cbs1 named[78]: denied update from [192.168.1.2].2345 for "vault.appliedheuristics.com" IN
Sep  8 02:41:29 cbs1 named[78]: denied update from [192.168.1.2].2353 for "vault.appliedheuristics.com" IN
Sep  8 03:07:25 cbs1 /kernel: cd9660: RockRidge Extension

>How-To-Repeat:
Unknown appears to be random.
>Fix:
Unknown      
>Release-Note:
>Audit-Trail:

From: Bjoern A.Zeeb <bzeeb@zabbadoz.net>
To: FreeBSD-gnats-submit@freebsd.org
Cc: Paul LeDuc <paul.leduc@appliedheuristics.com>
Subject: Re: i386/43491: microuptime () went backwards
Date: Sat,  5 Oct 2002 22:04:35 +0000 (UTC)

 >Submitter-Id:	current-users
 >Originator:	Bjoern A. Zeeb
 >Organization:	
 >Confidential:	no
 >Synopsis:	Re: i386/43491: microuptime () went backwards
 >Severity:	critical
 >Priority:	medium
 >Category:	kern
 >Class:		sw-bug
 >Release:	FreeBSD 4.7-RC i386
 >Environment:
 System: FreeBSD e0-0.zab2.int.zabbadoz.net 4.7-RC FreeBSD 4.7-RC #1: Fri Oct 4 18:45:10 UTC 2002 bz@e0-0.zab2.int.zabbadoz.net:/usr/src/obj/usr/src/RELENG_4/src/sys/ZAB2-2002092701 i386
 
 Copyright (c) 1992-2002 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 4.7-RC #1: Fri Oct  4 18:45:10 UTC 2002
     bz@e0-0.zab2.int.zabbadoz.net:/usr/src/obj/usr/src/RELENG_4/src/sys/ZAB2-2002092701
 Timecounter "i8254"  frequency 1193182 Hz
 CPU: Pentium III/Pentium III Xeon/Celeron (499.15-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0x673  Stepping = 3
   Features=0x383f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
 real memory  = 536805376 (524224K bytes)
 avail memory = 517132288 (505012K bytes)
 Preloaded elf kernel "kernel" at 0xc050e000.
 Pentium Pro MTRR support enabled
 md0: Malloc disk
 Using $PIR table, 7 entries at 0xc00fd3b0
 npx0: <math processor> on motherboard
 npx0: INT 16 interface
 pcib0: <Host to PCI bridge> on motherboard
 pci0: <PCI bus> on pcib0
 pcib2: <VIA 82C598MVP (Apollo MVP3) PCI-PCI (AGP) bridge> at device 1.0 on pci0
 pci1: <PCI bus> on pcib2
 pci1: <ATI Rage128-RL graphics accelerator> at 0.0 irq 11
 isab0: <VIA 82C596B PCI-ISA bridge> at device 7.0 on pci0
 isa0: <ISA bus> on isab0
 atapci0: <VIA 82C596 ATA66 controller> port 0xe000-0xe00f at device 7.1 on pci0
 ata0: at 0x1f0 irq 14 on atapci0
 ata1: at 0x170 irq 15 on atapci0
 pci0: <unknown card> (vendor=0x1106, dev=0x3050) at 7.3
 pci0: <unknown card> (vendor=0x1073, dev=0x000c) at 12.0 irq 5
 fxp0: <Intel Pro 10/100B/100+ Ethernet> port 0xe800-0xe83f mem 0xe7400000-0xe741ffff,0xe7428000-0xe7428fff irq 10 at device 14.0 on pci0
 fxp0: Ethernet address 00:02:b3:60:7d:b6
 inphy0: <i82555 10/100 media interface> on miibus0
 inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 pci0: <unknown card> (vendor=0x134d, dev=0x7890) at 16.0 irq 12
 pcib1: <Host to PCI bridge> on motherboard
 pci2: <PCI bus> on pcib1
 orm0: <Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xc97ff,0xef000-0xeffff on isa0
 fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
 fdc0: FIFO enabled, 8 bytes threshold
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
 atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
 kbd0 at atkbd0
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
 sio0: type 16550A
 sio1 at port 0x2f8-0x2ff irq 3 on isa0
 sio1: type 16550A
 ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
 ppc0: FIFO with 16/16/16 bytes threshold
 plip0: <PLIP network interface> on ppbus0
 lpt0: <Printer> on ppbus0
 lpt0: Interrupt-driven port
 ppi0: <Parallel I/O> on ppbus0
 ad0: 14664MB <IBM-DJNA-351520> [29795/16/63] at ata0-master UDMA66
 ad1: 19470MB <IBM-DJNA-352030> [39560/16/63] at ata0-slave UDMA66
 ad2: 57241MB <ST360020A> [116301/16/63] at ata1-master UDMA66
 Mounting root from ufs:/dev/ad0s1a
 
 bz@e0-0:~> sysctl kern.timecounter
 kern.timecounter.method: 0
 kern.timecounter.hardware: i8254
 
 
 >Description:
 	With / after heavy disc IO I also saw this problems: selct(2) failed too
 	and the kernel bleated (got ~45MB kern.log till I got a usable terminal to
 	reboot the machine):
 
 --- some few lines ---
 Oct  5 23:28:22 e0-0 /kernel: microuptime() went backwards (100768.094319 -> 100768.084713)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.128400 -> 100768.116302)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.217553 -> 100768.200736)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.248408 -> 100768.242961)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.279782 -> 100768.-695144269)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.316998 -> 100768.-695103619)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.352367)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.375326)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.378034)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.379457)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.412284 -> 100768.411343)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.458296 -> 100768.454611)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.510417 -> 100768.487032)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.503602 -> 100768.492363)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.545493 -> 100768.504730)
 Oct  5 23:28:22 e0-0 /kernel: microuptime() went backwards (100768.539489 -> 100768.528893)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.539489 -> 100768.525594)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.598427 -> 100768.588391)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.623375 -> 100768.611491)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.692954 -> 100768.680214)
 Oct  5 23:28:24 e0-0 /kernel: calcru: negative time of -689194177 usec for pid 298 (qmgr)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.717821 -> 100768.716886)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.754219 -> 100768.725387)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.801615 -> 100768.791238)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.839133 -> 100768.831843)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.859355 -> 100768.835970)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.859355 -> 100768.844127)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.864647 -> 100768.842601)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.864647 -> 100768.-694516988)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100768.908268 -> 100768.895184)
 Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.962801 -> 100768.939847)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.256270 -> 100769.-695136753)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.322563 -> 100769.298534)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.322563 -> 100769.300168)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.322563 -> 100769.307380)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.385091 -> 100769.353553)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.396938 -> 100769.386771)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.396938 -> 100769.-694994276)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.396938 -> 100769.-694974749)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.441419 -> 100769.431813)
 Oct  5 23:28:24 e0-0 /kernel: microuptime() went backwards (100769.549778 -> 100769.-694865476)
 --- end ---
 
 e0-0# grep microuptime /var/log/kern.log | wc -l
   494707
 
 System load was > 3.5 because of intensive logging and some apps racing because
 select failed :(
 
 
 >How-To-Repeat:
 	p.ex. cp -pr /usr to another disc
 
 >Fix:
 
 	though read that you cannot really fix it there is one thing you might
 	want to do:
 	remove the time changes from each and every printf so syslog can
 	aggregate the messages and simply print
 		"last message repeated 490345 times".
 	if you need it to be dumped (though you cannot correct anything with
 	this information) add a flag for those people who want to see the
 	addition information.
 	This would at least reduce disc IO and save some bytes ;-) and perhaps
 	help to stop the system from misbehaving.
 

From: Valentin Nechayev <netch@iv.nn.kiev.ua>
To: "Bjoern A.Zeeb" <bzeeb@zabbadoz.net>
Cc: bug-followup@FreeBSD.ORG
Subject: Re: i386/43491: microuptime () went backwards
Date: Sun, 6 Oct 2002 12:42:45 +0300

  Sat, Oct 05, 2002 at 15:10:12, bzeeb (Bjoern A.Zeeb) wrote about "Re: i386/43491: microuptime () went backwards": 
 
 BAZ>  pcib2: <VIA 82C598MVP (Apollo MVP3) PCI-PCI (AGP) bridge> at device 1.0 on pci0
 [...]
 BAZ>  Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.378034)
 BAZ>  Oct  5 23:28:23 e0-0 /kernel: microuptime() went backwards (100768.401070 -> 100768.379457)
 [...]
 BAZ>  	though read that you cannot really fix it there is one thing you might
 BAZ>  	want to do:
 BAZ>  	remove the time changes from each and every printf so syslog can
 BAZ>  	aggregate the messages and simply print
 BAZ>  		"last message repeated 490345 times".
 BAZ>  	if you need it to be dumped (though you cannot correct anything with
 BAZ>  	this information) add a flag for those people who want to see the
 BAZ>  	addition information.
 BAZ>  	This would at least reduce disc IO and save some bytes ;-) and perhaps
 BAZ>  	help to stop the system from misbehaving.
 
 You can do it for your particular system. For most systems, it is not such
 useful. Pity for you but I suggest you to change hardware. VIA Apollo MVP3
 has too strange relations with time counting. I saw a system with it
 setting kern.timecounter.method=1 stopped timer totally; without it,
 "microuptime went backwards" appeared each minute and I had to run ntpdate
 every minute.
 
 Of course one can argue that total PC time counting is horribly brain-damaged,
 but it is common place and we should live with it. (Only PIIX4 seems to be
 correct. But 4.5 secs is too small period.) Change it to Intel chipset based
 motherboard and you will be satisfied.
 
 I don't see a reason to keep this PR open. You may want to open PR to fix
 total FreeBSD time counting subsystem or simply ask phk@ to describe it
 in details, but this shall be another PR.
 
 
 /netch

From: "Bjoern A. Zeeb" <bzeeb@zabbadoz.net>
To: Valentin Nechayev <netch@iv.nn.kiev.ua>
Cc: bug-followup@FreeBSD.ORG
Subject: Re: i386/43491: microuptime () went backwards
Date: Sun, 6 Oct 2002 10:26:15 +0000 (UTC)

 On Sun, 6 Oct 2002, Valentin Nechayev wrote:
 
 Hi,
 
 > You can do it for your particular system. For most systems, it is not such
 > useful. Pity for you but I suggest you to change hardware. VIA Apollo MVP3
 > has too strange relations with time counting. I saw a system with it
 
 yeah I heared. I think it was Alan Cox who had fun with it in
 linux kernel...
 
 
 > Of course one can argue that total PC time counting is horribly brain-damaged,
 > but it is common place and we should live with it. (Only PIIX4 seems to be
 > correct. But 4.5 secs is too small period.) Change it to Intel chipset based
 > motherboard and you will be satisfied.
 
 Just to mention: this machine has been running FreeBSD since somewhen in late
 1999 (Sep-Dec) (starting with 3.3-REL) and is up almost 24/7/365 and doing
 really fine.
 
 This was the very first issue I had and just to say "change your
 hardware" is not a point for me.
 
 
 There two things that happend lately I should have mentioned too:
 
 a) I turned on softupdates and after installing the 3rd disc had lots
    of directory tree moving yesterday evening (> 15 GB) before this
    happened i.e. it started while the last MBs where freed on the
    original slice minutes after the move had completed (softupdates
    syncing)
 
 b) started to run ntpd with server 127.127.1.0 two days ago (cause of
    no permanent connection to a timeserver and the system internal
    clock wasn't off by half a minute in >2 years).
 
 Don't know if b) might be realted to this one.
 
 Having too few knowledge about the real internals on what is happening
 there in the kernel (just had a 5 minute look at it yesterday) and
 what is f%$^ed up with these VIA chips I would say if we did not get a
 workaround for it in the last two years ...
 
 
 > I don't see a reason to keep this PR open. You may want to open PR to fix
 
 ... feel free to close it. If it happens a second time and I can find some
 minutes I will have a look at it and also check what's going on in HEAD.
 
 
 > total FreeBSD time counting subsystem or simply ask phk@ to describe it
 > in details, but this shall be another PR.
 
 For sure I am not going to open that one in the moment ;-)
 
 Thanks
 
 -- 
 Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT
 56 69 73 69 74				http://www.zabbadoz.net/
 

From: Eirik Oeverby <ltning@anduin.net>
To: freebsd-gnats-submit@FreeBSD.org,
	paul.leduc@appliedheuristics.com
Cc:  
Subject: Re: i386/43491: microuptime () went backwards
Date: Tue, 05 Nov 2002 14:17:22 +0100

 Hi,
 
 I see this problem on a recently installed SMP machine. It is built 
 around the Elitegroup DV6AA motherboard, twin P3-800mhz CPU's.
 I have tested with and without APM enabled in BIOS/Kernel, in all 
 possible combinations.
 The problem does not occur immediately, but only after the machine has 
 been running for a few minutes. Depending on the load (esp. IDE disk 
 I/O) it will happen sooner or later (later with less load).
 
 To those suggesting to replace the hardware:
 THIS IS NOT AN OPTION!!!
 I cannot believe that anyone can be so blatant as to suggest that people 
 should replace hardware that has worked very well in the past and/or 
 works perfectly with whatever else they throw at them.
 Sorry. Had to vent that.
 
 I will continue trying various combinations of system timing, timing 
 methods, BIOS settings, and hardware.
 
 Best regards,
 /Eirik Oeverby
 

From: Simon Walton <simonw@matteworld.com>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: Re: i386/43491: microuptime () went backwards
Date: Fri, 25 Apr 2003 15:23:31 -0700

    Just to add another data point - I am also
 seeing this on a dual Pentium Pro system with
 an Intel Orion chipset. Typically after a few
 hours use the system generates these messages
 at the rate of several per second. Performance
 is severely degraded, and the system clock 
 runs slow.
 
    Changing kern.timecounter.method does not
 help, and I cannot use kern.timecounter.hardware=TSC
 on this system. I have taken apm out of the
 kernel also.
 
 Simon

From: Juan Rodriguez Hervella <jrh@it.uc3m.es>
To: freebsd-gnats-submit@FreeBSD.org,
	paul.leduc@appliedheuristics.com
Cc:  
Subject: Re: i386/43491: microuptime () went backwards
Date: Fri, 3 Oct 2003 19:00:23 +0200

 --Boundary-00=_osaf/5UT5y+dT5k
 Content-Type: text/plain;
   charset="us-ascii"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: inline
 
 I've got the same problem on my laptop:
 
 
 
 -- 
 JFRH
 --Boundary-00=_osaf/5UT5y+dT5k
 Content-Type: text/plain;
   charset="us-ascii";
   name="dmesg.txt"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: attachment; filename="dmesg.txt"
 
 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 4.8-RELEASE #1: Wed Oct  1 18:37:44 CEST 2003
     jrh@cimborrio.it.uc3m.es:/usr/src/sys/compile/JUANILLO
 Timecounter "i8254"  frequency 1193182 Hz
 CPU: Intel(R) Pentium(R) 4 CPU 2.66GHz (2658.31-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0xf27  Stepping = 7
   Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
 real memory  = 200736768 (196032K bytes)
 avail memory = 189947904 (185496K bytes)
 Preloaded elf kernel "kernel" at 0xc051e000.
 Pentium Pro MTRR support enabled
 md0: Malloc disk
 Using $PIR table, 9 entries at 0xc00fdf30
 npx0: <math processor> on motherboard
 npx0: INT 16 interface
 pcib0: <Host to PCI bridge> on motherboard
 pci0: <PCI bus> on pcib0
 pcib1: <PCI to PCI bridge (vendor=1002 device=7010)> at device 1.0 on pci0
 pci1: <PCI bus> on pcib1
 pci1: <ATI model 4337 graphics accelerator> at 5.0
 pci0: <unknown card> (vendor=0x10b9, dev=0x5451) at 6.0 irq 5
 isab0: <AcerLabs M1533 portable PCI-ISA bridge> at device 7.0 on pci0
 isa0: <ISA bus> on isab0
 pci0: <unknown card> (vendor=0x10b9, dev=0x5457) at 8.0
 pci_cfgintr_virgin: using routable interrupt 7
 pci_cfgintr: 0:10 INTA routed to irq 7
 pcic0: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic0: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic0 attach returned 12
 uhci0: <VIA 83C572 USB controller> port 0x2000-0x201f irq 10 at device 11.0 on pci0
 usb0: <VIA 83C572 USB controller> on uhci0
 usb0: USB revision 1.0
 uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub0: 2 ports with 2 removable, self powered
 uhub1: NEC Corporation USB2.0 Hub Controller, class 9/0, rev 2.00/1.00, addr 2
 uhub1: 3 ports with 3 removable, self powered
 uhci1: <VIA 83C572 USB controller> port 0x2020-0x203f irq 10 at device 11.1 on pci0
 usb1: <VIA 83C572 USB controller> on uhci1
 usb1: USB revision 1.0
 uhub2: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
 uhub2: 2 ports with 2 removable, self powered
 pci0: <USB controller> at 11.2
 pci0: <unknown card> (vendor=0x104c, dev=0x8026) at 12.0
 atapci0: <AcerLabs Aladdin ATA100 controller> port 0x2040-0x204f irq 0 at device 16.0 on pci0
 ata0: at 0x1f0 irq 14 on atapci0
 ata1: at 0x170 irq 15 on atapci0
 chip1: <AcerLabs M15x3 Power Management Unit> at device 17.0 on pci0
 sis0: <NatSemi DP83815 10/100BaseTX> port 0x2400-0x24ff mem 0xd0008000-0xd0008fff irq 10 at device 18.0 on pci0
 sis0: Ethernet address: 00:0d:9d:46:f2:c9
 miibus0: <MII bus> on sis0
 ukphy0: <Generic IEEE 802.3u media interface> on miibus0
 ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
 orm0: <Option ROMs> at iomem 0xc0000-0xcefff,0xcf000-0xcf7ff,0xdf000-0xdffff,0xe0000-0xe3fff on isa0
 fdc0: <NEC 72065B or clone> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
 fdc0: FIFO enabled, 8 bytes threshold
 fd0: <1440-KB 3.5" drive> on fdc0 drive 0
 atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
 atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
 kbd0 at atkbd0
 psm0: <PS/2 Mouse> irq 12 on atkbdc0
 psm0: model MouseMan+, device ID 0
 vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
 sc0: <System console> at flags 0x100 on isa0
 sc0: VGA <16 virtual consoles, flags=0x300>
 pcic0: <Intel i82365SL-DF> at port 0x3e0 iomem 0xd0000 on isa0
 pcic0: Polling mode
 pccard0: <PC Card 16-bit bus (classic)> on pcic0
 pccard1: <PC Card 16-bit bus (classic)> on pcic0
 sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
 sio0: type 16550A
 sio1 at port 0x2f8-0x2ff irq 3 on isa0
 sio1: type 16550A
 ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
 ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
 ppc0: FIFO with 16/16/1 bytes threshold
 plip0: <PLIP network interface> on ppbus0
 lpt0: <Printer> on ppbus0
 lpt0: Interrupt-driven port
 ppi0: <Parallel I/O> on ppbus0
 ad0: 38154MB <FUJITSU MHT2040AT> [77520/16/63] at ata0-master UDMA100
 acd0: CD-RW <TOSHIBA DVD-ROM SD-R2312> at ata1-master WDMA2
 Mounting root from ufs:/dev/ad0s2a
 cd0 at ata1 bus 0 target 0 lun 0
 cd0: <TOSHIBA DVD-ROM SD-R2312 1905> Removable CD-ROM SCSI-0 device 
 cd0: 16.000MB/s transfers
 cd0: Attempt to query device size failed: NOT READY, Medium not present
 WARNING: / was not properly dismounted
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcm0: <Acer Labs M5451> port 0x1000-0x10ff irq 5 at device 6.0 on pci0
 pcm0: <Conexant CX20468 ac97 codec>
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 pcic2: <O2micro 6912 PCI-Cardbus Bridge> irq 7 at device 10.0 on pci0
 pcic2: Could not map register memory 0xd0002000
 device_probe_and_attach: pcic2 attach returned 12
 microuptime() went backwards (539.534085 -> 0.157555)
 acd0: READ_BIG command timeout - resetting
 ata1: resetting devices .. done
 acd0: READ_BIG command timeout - resetting
 ata1: resetting devices .. done
 acd0: READ_BIG command timeout - resetting
 ata1: resetting devices .. done
 acd0: READ_BIG command timeout - resetting
 acd0: trying fallback to PIO mode
 ata1: resetting devices .. done
 cd9660: Joliet Extension (Level 3)
 cd9660: Joliet Extension (Level 3)
 cd9660: Joliet Extension (Level 3)
 microuptime() went backwards (12906.850652 -> 12211.474341)
 
 --Boundary-00=_osaf/5UT5y+dT5k--
 
State-Changed-From-To: open->feedback 
State-Changed-By: kmacy 
State-Changed-When: Fri Nov 16 04:34:33 UTC 2007 
State-Changed-Why:  

I believe that this has been fixed. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=43491 
State-Changed-From-To: feedback->closed 
State-Changed-By: linimon 
State-Changed-When: Sat Mar 1 20:09:01 UTC 2008 
State-Changed-Why:  
Feedback timeout (> 3 months). 

http://www.freebsd.org/cgi/query-pr.cgi?pr=43491 
>Unformatted:
Is this still seen on RELENG_6? 
