Date: Sun, 14 Nov 2004 02:55:46 -0700 From: Scott Long <scottl@freebsd.org> To: Frode Nordahl <frode@nordahl.net> Cc: current@freebsd.org Subject: Re: Detection of HTT Message-ID: <41972BA2.3090609@freebsd.org> In-Reply-To: <4197C217-3622-11D9-B78A-000A95A9A574@nordahl.net> References: <4197C217-3622-11D9-B78A-000A95A9A574@nordahl.net>
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Frode Nordahl wrote: > Hello, > > I have a Intel SE7505VB2 board with two 3.06GHz Xeons > > I have disabled HTT in BIOS, but FreeBSD says this during boot anyway: > > Hyperthreading: 2 logical CPUs > > Is this harmless, or does this mean the scheduler is running with HTT > awareness? It's harmless and means that the system _detected_ two logical cores. It doesn't mean that the system used them, and if you look a bit further down you'll see that it mentions cpu0 and cpu1, and no more. Scott > > > Mvh, > Frode Nordahl > > dmesg: > Copyright (c) 1992-2004 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 6.0-CURRENT #1: Sun Nov 14 08:37:55 CET 2004 > frode@xxx.yyy.zzz.no:/usr/obj/usr/src/sys/GENERIC > WARNING: WITNESS option enabled, expect reduced performance. > ACPI APIC Table: <PTLTD APIC > > Timecounter "i8254" frequency 1193182 Hz quality 0 > CPU: Intel(R) Xeon(TM) CPU 3.06GHz (3056.50-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 > > 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> > Hyperthreading: 2 logical CPUs > real memory = 4025942016 (3839 MB) > avail memory = 3942326272 (3759 MB) > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 6 > ioapic0 <Version 2.0> irqs 0-23 on motherboard > ioapic1 <Version 2.0> irqs 24-47 on motherboard > ioapic2 <Version 2.0> irqs 48-71 on motherboard > npx0: [FAST] > npx0: <math processor> on motherboard > npx0: INT 16 interface > acpi0: <PTLTD RSDT> on motherboard > acpi0: Power Button (fixed) > Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 > acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0 > cpu0: <ACPI CPU> on acpi0 > cpu1: <ACPI CPU> on acpi0 > pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 > pci0: <ACPI PCI bus> on pcib0 > agp0: <Intel Generic host to PCI bridge> mem 0xf4000000-0xf7ffffff at > device 0.0 on pci0 > pci0: <unknown> at device 0.1 (no driver attached) > pcib1: <ACPI PCI-PCI bridge> mem 0xf8000000-0xfbffffff at device 1.0 on > pci0 > pci1: <ACPI PCI bus> on pcib1 > pcib2: <ACPI PCI-PCI bridge> at device 2.0 on pci0 > pci2: <ACPI PCI bus> on pcib2 > pci2: <base peripheral, interrupt controller> at device 28.0 (no driver > attached) > pcib3: <ACPI PCI-PCI bridge> at device 29.0 on pci2 > pci3: <ACPI PCI bus> on pcib3 > pci2: <base peripheral, interrupt controller> at device 30.0 (no driver > attached) > pcib4: <ACPI PCI-PCI bridge> at device 31.0 on pci2 > pci4: <ACPI PCI bus> on pcib4 > em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port > 0x7000-0x703f mem 0xf0200000-0xf021ffff irq 52 at device 2.0 on pci4 > em0: Ethernet address: 00:04:23:ab:d9:bf > em0: Speed:N/A Duplex:N/A > pci0: <unknown> at device 2.1 (no driver attached) > uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0x6800-0x681f > irq 16 at device 29.0 on pci0 > uhci0: [GIANT-LOCKED] > usb0: <Intel 82801DB (ICH4) USB controller USB-A> 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 > uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x6820-0x683f > irq 19 at device 29.1 on pci0 > uhci1: [GIANT-LOCKED] > usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1 > usb1: USB revision 1.0 > uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 > uhub1: 2 ports with 2 removable, self powered > uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0x6840-0x685f > irq 18 at device 29.2 on pci0 > uhci2: [GIANT-LOCKED] > usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2 > usb2: USB revision 1.0 > uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 > uhub2: 2 ports with 2 removable, self powered > pcib5: <ACPI PCI-PCI bridge> at device 30.0 on pci0 > pci5: <ACPI PCI bus> on pcib5 > pci5: <display, VGA> at device 2.0 (no driver attached) > fxp0: <Intel 82550 Pro/100 Ethernet> port 0x8400-0x843f mem > 0xf0300000-0xf031ffff,0xf0321000-0xf0321fff irq 18 at device 3.0 on pci5 > miibus0: <MII bus> on fxp0 > inphy0: <i82555 10/100 media interface> on miibus0 > inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > fxp0: Ethernet address: 00:04:23:ab:d5:90 > atapci0: <SiI 3112 SATA150 controller> port > 0x8440-0x844f,0x8450-0x8453,0x8458-0x845f,0x8454-0x8457,0x8460-0x8467 > mem 0xf0322000-0xf03221ff irq 19 at device 4.0 on pci5 > ata2: channel #0 on atapci0 > ata3: channel #1 on atapci0 > isab0: <PCI-ISA bridge> at device 31.0 on pci0 > isa0: <ISA bus> on isab0 > atapci1: <Intel ICH4 UDMA100 controller> port > 0x6860-0x686f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 > ata0: channel #0 on atapci1 > ata1: channel #1 on atapci1 > pci0: <serial bus, SMBus> at device 31.3 (no driver attached) > acpi_button0: <Power Button> on acpi0 > atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0 > atkbd0: <AT Keyboard> irq 1 on atkbdc0 > kbd0 at atkbd0 > atkbd0: [GIANT-LOCKED] > fdc0: <floppy drive controller> port 0x3f7,0x3f4-0x3f5,0x3f0-0x3f3 irq > 6 drq 2 on acpi0 > fdc0: [FAST] > sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on > acpi0 > sio0: type 16550A, console > sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0 > sio1: type 16550A > ppc0: <ECP parallel printer port> 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 16/16/9 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 > orm0: <ISA Option ROMs> at iomem > 0xe2000-0xe27ff,0xc8000-0xcc7ff,0xc0000-0xc7fff on isa0 > pmtimer0 on isa0 > sc0: <System console> at flags 0x100 on isa0 > sc0: VGA <16 virtual consoles, flags=0x100> > vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 > Timecounters tick every 1.000 msec > witness_get: witness exhausted > ad0: 29325MB <Maxtor 6E030L0/NAR61EA0> [59582/16/63] at ata0-master > UDMA100 > ad4: 78167MB <Maxtor 6Y080M0/YAR51HW0> [158816/16/63] at ata2-master > SATA150 > ad6: 78167MB <Maxtor 6Y080M0/YAR51HW0> [158816/16/63] at ata3-master > SATA150 > SMP: AP CPU #1 Launched! > Mounting root from ufs:/dev/ad4s1a > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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