Date: Sat, 18 Mar 2000 01:40:32 -0500 From: Matt Heckaman <matt@ARPA.MAIL.NET> To: FreeBSD-STABLE <FreeBSD-STABLE@FreeBSD.ORG> Subject: SMP oddity Message-ID: <Pine.BSF.4.21.0003180133260.95728-300000@epsilon.lucida.qc.ca>
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[-- Attachment #1 --] Morning, Some of you will probably remember my request for opinions about SMP performance in 3.4-stable, and I went with it - I'm quite happy at the result as well, it runs beautifully. One very strange thing I've noticed though, from dmesg: CPU: Pentium III (686-class CPU) Origin = "GenuineIntel" Id = 0x673 Stepping = 3 Note how there is no megahurtz before "686-class CPU" as there normally is, (from another box); CPU: Celeron (400.91-MHz 686-class CPU) Has anyone seen this before? I don't think it's hurting anything, it runs perfectly well, I just find it curious, and mysteries give me headaches until they are solved =) I've attached my complete dmesg and kernel config in case it's something odd I'm doing that's causing it. Thanks again, I don't know what I'd do without the wonder of mailing lists. Matt -- Matt Heckaman [matt@arpa.mail.net|matt@relic.net] [Please do not send me] !Powered by FreeBSD/x86! [http://www.freebsd.org] [any SPAM (UCE) e-mail] [-- Attachment #2 --] # ALPHA.LUCIDA.QC.CA machine "i386" cpu "I686_CPU" ident ALPHA maxusers 512 options NMBCLUSTERS=32768 # SMP options SMP # Symmetric MultiProcessor Kernel options APIC_IO # Symmetric (APIC) I/O options NCPU=2 # number of CPUs options NBUS=4 # number of busses options NAPIC=1 # number of IO APICs options NINTR=24 # number of INTs # Main Options options INET # InterNETworking options FFS # Berkeley Fast Filesystem options FFS_ROOT # FFS usable as root device options MFS # Memory Filesystem options MFS_ROOT # MFS usable as root device options NFS # Network Filesystem options PROCFS # Process filesystem options MSDOSFS # MSDOS Filesystem options "EXT2FS" # Linux Filesystem options "CMD640" # work around CMD640 chip deficiency options "CD9660" # ISO 9660 Filesystem options "CD9660_ROOT" # CD-ROM usable as root. "CD9660" req'ed options "COMPAT_43" # Compatible with BSD 4.3 options SCSI_DELAY=5000 # Be pessimistic about Joe SCSI device options UCONSOLE # Allow users to grab the console options FAILSAFE # Be conservative options USERCONFIG # boot -c editor options VISUAL_USERCONFIG # visual boot -c editor # MISC Options options ATAPI # Enable ATAPI support for IDE bus options ATAPI_STATIC # we need this. options KTRACE # kernel tracing options QUOTA # enable disk quotas # POSIX Options options "P1003_1B" options _KPOSIX_PRIORITY_SCHEDULING options "_KPOSIX_VERSION=199309L" # SYSV Options options SYSVSHM options SYSVSEM options SYSVMSG # Firewall Options options IPFIREWALL # firewall options IPFIREWALL_VERBOSE # info about dropped packets options IPFIREWALL_FORWARD # transparent proxy support options IPFIREWALL_VERBOSE_LIMIT=100 # limit verbosity options IPFIREWALL_DEFAULT_TO_ACCEPT # allow everything by default config kernel root on da0 controller isa0 controller eisa0 controller pci0 controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 disk fd0 at fdc0 drive 0 disk fd1 at fdc0 drive 1 controller wdc0 at isa? port "IO_WD1" bio irq 14 disk wd0 at wdc0 drive 0 disk wd1 at wdc0 drive 1 device acd0 device wfd0 controller ncr0 controller ahb0 controller ahc0 controller isp0 controller ahb0 controller dpt0 controller adw0 controller scbus0 device da0 device sa0 device cd0 # serial port/screen/keyboard stuff controller atkbdc0 at isa? port IO_KBD tty device atkbd0 at isa? tty irq 1 device vga0 at isa? port ? conflicts device sc0 at isa? tty device npx0 at isa? port IO_NPX irq 13 device sio0 at isa? port "IO_COM1" flags 0x10 tty irq 4 device sio1 at isa? port "IO_COM2" tty irq 3 device sio2 at isa? disable port "IO_COM3" tty irq 5 device sio3 at isa? disable port "IO_COM4" tty irq 9 # parallel port stuff controller ppbus0 device ppc0 at isa? port? net irq 7 device nlpt0 at ppbus? device plip0 at ppbus? device ppi0 at ppbus? # ethernet stuff device xl0 # pseudo device stuff pseudo-device loop pseudo-device ether pseudo-device splash pseudo-device pty 256 pseudo-device snp 12 pseudo-device bpfilter 4 [-- Attachment #3 --] Copyright (c) 1992-1999 FreeBSD Inc. Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of California. All rights reserved. FreeBSD 3.4-STABLE #0: Fri Mar 17 19:36:46 EST 2000 root@alpha.lucida.qc.ca:/usr/src/sys/compile/ALPHA Timecounter "i8254" frequency 1193182 Hz CPU: Pentium III (686-class CPU) Origin = "GenuineIntel" Id = 0x673 Stepping = 3 Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,<b25>> real memory = 536870912 (524288K bytes) avail memory = 518610944 (506456K bytes) Programming 24 pins in IOAPIC #0 FreeBSD/SMP: Multiprocessor motherboard 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 Preloaded elf kernel "kernel" at 0xc02f8000. Pentium Pro MTRR support enabled Probing for devices on PCI bus 0: chip0: <Intel 82443BX host to PCI bridge> rev 0x03 on pci0.0.0 chip1: <Intel 82443BX host to AGP bridge> rev 0x03 on pci0.1.0 chip2: <Intel 82371AB PCI to ISA bridge> rev 0x02 on pci0.7.0 ide_pci0: <Intel PIIX4 Bus-master IDE controller> rev 0x01 on pci0.7.1 chip3: <Intel 82371AB Power management controller> rev 0x02 on pci0.7.3 vga0: <Matrox MGA 1024SG/1064SG/1164SG graphics accelerator> rev 0x02 int a irq 16 on pci0.16.0 xl0: <3Com 3c905B-TX Fast Etherlink XL> rev 0x28 int a irq 18 on pci0.18.0 xl0: Ethernet address: 00:10:4b:0f:c6:bf xl0: autoneg complete, link status good (full-duplex, 100Mbps) ahc0: <Adaptec 2940 Ultra2 SCSI adapter> rev 0x00 int a irq 19 on pci0.19.0 ahc0: aic7890/91 Wide Channel A, SCSI Id=7, 16/255 SCBs Probing for devices on PCI bus 1: Probing for devices on the ISA bus: sc0 on isa sc0: VGA color <16 virtual consoles, flags=0x0> atkbdc0 at 0x60-0x6f on motherboard atkbd0 irq 1 on isa sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa sio0: type 16550A sio1 at 0x2f8-0x2ff irq 3 on isa sio1: type 16550A fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa fdc0: FIFO enabled, 8 bytes threshold fd0: 1.44MB 3.5in wdc0 at 0x1f0-0x1f7 irq 14 on isa wdc0: unit 0 (atapi): <CRD-8160B/1.04>, removable, accel, dma, iordis acd0: drive speed 2734KB/sec, 128KB cache acd0: supported read types: CD-DA acd0: Audio: play, 255 volume levels acd0: Mechanism: ejectable tray acd0: Medium: no/blank disc inside, unlocked, lock protected ppc0 at 0x378 irq 7 on isa ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode ppi0: <generic parallel i/o> on ppbus 0 plip0: <PLIP network interface> on ppbus 0 vga0 at 0x3b0-0x3df maddr 0xa0000 msize 131072 on isa npx0 on motherboard npx0: INT 16 interface APIC_IO: Testing 8254 interrupt delivery APIC_IO: routing 8254 via pin 2 IP packet filtering initialized, divert disabled, rule-based forwarding enabled, default to accept, logging limited to 100 packets/entry by default Waiting 5 seconds for SCSI devices to settle SMP: AP CPU #1 Launched! changing root device to da0s1a da0 at ahc0 bus 0 target 0 lun 0 da0: <WDIGTL WDE18300 ULTRA2 1.30> Fixed Direct Access SCSI-2 device da0: 80.000MB/s transfers (40.000MHz, offset 31, 16bit) da0: 17461MB (35761710 512 byte sectors: 255H 63S/T 2226C)
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