i386/43491: microuptime () went backwards

Juan Rodriguez Hervella jrh at it.uc3m.es
Fri Oct 3 10:10:14 PDT 2003


The following reply was made to PR i386/43491; it has been noted by GNATS.

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

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 I've got the same problem on my laptop:
 
 
 
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 JFRH
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 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 at 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)
 
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