Strange load averages on 5.3-STABLE

[Dmitry Kozhevnikov]

Sometimes I get strange effects on 5.3-STABLE too.
So I use tag=RELENG_5_3 and have no such troubles. Try this, maybe
sources was broken a little that time?

GPT> Dmitry Kozhevnikov wrote:

 >>please show us
 >>1. cat /var/run/dmesg.boot
 >>2. uname -a
 >>3. egrep "(^REVISION|^BRANCH)" /usr/src/sys/conf/newvers.sh
 >>
 >>GPT> David Fleck wrote:
 >>>> On Thu, 10 Mar 2005, Michael Ross wrote:
 >>>>
 >>>>>> last pid: 771; load averages: 176.65, 770.13, 926.55 up 0+00:03:13
 >>>>>> 08:11:07
 >>>>>>
 >>>>> Your may have compiled kernel and userland from different sources.
 >>>>> " and programs like ps(1) and top(1) will fail to work until the
 >>>>> kernel and source code versions are the same." from the handbook is
 >>>>> what comes to my mind.
 >>
 >>GPT>   I've compiled from the same source.
 >>
 >>>> I've also seen ridiculously-high load numbers when NFS-mounted
 >>>> filesystems are inaccessible.  Usually that degrades system 
 >>performance,
 >>>> though.
 >>
 >>GPT>   It's strange because everything is working fine and I don't use
 >>NFS on
 >>GPT> it. For example, the load hits 900 and suddenly it's 3.


GPT> # uname -a
GPT> FreeBSD srv-02.bs2.local 5.3-STABLE FreeBSD 5.3-STABLE #6: Mon Feb 14
GPT> 09:32:36 BRST 2005 
GPT> root at srv-02.local:/usr/obj/usr/src/sys/SRV-02-LOCAL  i386


GPT> # egrep "(^REVISION|^BRANCH)" /usr/src/sys/conf/newvers.sh
GPT> REVISION="5.3"
GPT> BRANCH="STABLE"


GPT> # cat /var/run/dmesg.boot

GPT> Copyright (c) 1992-2005 The FreeBSD Project.
GPT> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
GPT>          The Regents of the University of California. All rights reserved.
GPT> FreeBSD 5.3-STABLE #6: Mon Feb 14 09:32:36 BRST 2005
GPT>      root at srv-02.local:/usr/obj/usr/src/sys/SRV-02-LOCAL
GPT> ACPI APIC Table: <IntelR AWRDACPI>
GPT> Timecounter "i8254" frequency 1193182 Hz quality 0
GPT> CPU: Intel(R) Pentium(R) 4 CPU 2.26GHz (2261.01-MHz 686-class CPU)
GPT>    Origin = "GenuineIntel"  Id = 0xf25  Stepping = 5
 
GPT> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
GPT> real memory  = 268369920 (255 MB)
GPT> avail memory = 257159168 (245 MB)
GPT> ioapic0 <Version 2.0> irqs 0-23 on motherboard
GPT> netsmb_dev: loaded
GPT> npx0: [FAST]
GPT> npx0: <math processor> on motherboard
GPT> npx0: INT 16 interface
GPT> acpi0: <IntelR AWRDACPI> on motherboard
GPT> acpi0: Power Button (fixed)
GPT> Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
GPT> acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
GPT> cpu0: <ACPI CPU> on acpi0
GPT> acpi_button0: <Power Button> on acpi0
GPT> acpi_button1: <Sleep Button> on acpi0
GPT> pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
GPT> pci0: <ACPI PCI bus> on pcib0
GPT> agp0: <Intel 82865 host to AGP bridge> mem 0xf0000000-0xf7ffffff at
GPT> device 0.0 on pci0
GPT> pcib1: <PCI-PCI bridge> at device 1.0 on pci0
GPT> pci1: <PCI bus> on pcib1
GPT> pci1: <display, VGA> at device 0.0 (no driver attached)
GPT> pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
GPT> pci2: <ACPI PCI bus> on pcib2
GPT> rl0: <RealTek 8139 10/100BaseTX> port 0xb000-0xb0ff mem 
GPT> 0xfa000000-0xfa0000ff irq 20 at device 2.0 on pci2
GPT> miibus0: <MII bus> on rl0
GPT> rlphy0: <RealTek internal media interface> on miibus0
GPT> rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
GPT> rl0: Ethernet address: 00:e0:7d:d7:e0:5f
GPT> rl1: <RealTek 8139 10/100BaseTX> port 0xb400-0xb4ff mem 
GPT> 0xfa001000-0xfa0010ff irq 23 at device 9.0 on pci2
GPT> miibus1: <MII bus> on rl1
GPT> rlphy1: <RealTek internal media interface> on miibus1
GPT> rlphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
GPT> rl1: Ethernet address: 00:0d:87:47:56:a0
GPT> isab0: <PCI-ISA bridge> at device 31.0 on pci0
GPT> isa0: <ISA bus> on isab0
GPT> atapci0: <Intel ICH5 UDMA100 controller> port 
GPT> 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
GPT> ata0: channel #0 on atapci0
GPT> ata1: channel #1 on atapci0
GPT> pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
GPT> acpi_tz0: <Thermal Zone> on acpi0
GPT> sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
GPT> acpi0
GPT> sio0: type 16550A
GPT> orm0: <ISA Option ROM> at iomem 0xc0000-0xcffff on isa0
GPT> pmtimer0 on isa0
GPT> atkbdc0: <Keyboard controller (i8042)> at port 0x64,0x60 on isa0
GPT> atkbd0: <AT Keyboard> irq 1 on atkbdc0
GPT> kbd0 at atkbd0
GPT> atkbd0: [GIANT-LOCKED]
GPT> sc0: <System console> at flags 0x100 on isa0
GPT> sc0: VGA <16 virtual consoles, flags=0x300>
GPT> sio1: configured irq 3 not in bitmap of probed irqs 0
GPT> sio1: port may not be enabled
GPT> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
GPT> Timecounter "TSC" frequency 2261014504 Hz quality 800
GPT> Timecounters tick every 10.000 msec
GPT> ad0: 38204MB <SAMSUNG SP0411N/TW100-11> [77622/16/63] at ata0-master UDMA100
GPT> ad2: 38166MB <ST340014A/8.01> [77545/16/63] at ata1-master UDMA100
GPT> Mounting root from ufs:/dev/ad0s1a