On my laptop this is disabled via the BIOS. Regards, Mike Lockhart
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Rich Dunkle Sent: Thursday, December 21, 2006 3:47 PM To: misc@openbsd.org Subject: disable SpeedStep ? How can I disable the SpeedStep feature in OpenBSD 4.0 ? Is there something in UKC ? The machine hangs during cpu0 checks: -----8<----8<---------8<----- >> OpenBSD/i386 BOOT 2.12 boot> booting hd0a:/bsd: 5572500+869372 [52+284400+264825]=0x6aaea4 entry point at 0x200120, [ using 549652 bytes of bsd ELF symbol table ] Copyright (c) 1982, 1986, 1989, 1991, 1993 The Regents of the University of Copyright (c) 1995-2006 OpenBSD. All rights reserved. http://www.OpenBSD.org OpenBSD 4.0-current (GENERIC) #1288: Tue Dec 19 20:56:54 MST 2006 [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC RTC BIOS diagnostic error 80<clock_battery> cpu0: Intel(R) Core(TM)2 Duo CPU X6800 @ 2.93GHz ("GenuineIntel" 686-class) 2.94 GHz cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36, CF LUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST,T M2,CX16 real mem = 2144796672 (2094528K) avail mem = 1948188672 (1902528K) using 4256 buffers containing 107425792 bytes (104908K) of memory RTC BIOS diagnostic error 80<clock_battery> mainbus0 (root) bios0 at mainbus0: AT/286+(00) BIOS, date 11/29/06, SMBIOS rev. 2.3 @ 0xe4cc0 (3 5 entries) bios0: Intel Corporation D975XBX apm0 at bios0: Power Management spec V1.2 apm0: AC on, battery charge unknown, estimated 0:00 hours apm0: flags 30102 dobusy 0 doidle 1 pcibios at bios0 function 0x1a not configured bios0: ROM list: 0xc0000/0x10000 0xd0000/0x1000 0xd1000/0x1000 acpi at mainbus0 not configured cpu0 at mainbus0 cpu0: unknown Enhanced SpeedStep CPU, msr 0x0b280b2886000b28 cpu0: using only highest and lowest power states cpu0: Enhanced SpeedStep 2933 MHz (1340 mV)kernel: integer divide fault trap, co de=0 Stopped at est_init+0x1de: idivl %ecx,%eax ddb> -----8<----8<---------8<----- I can get past this error if I lower the cpu frequency to 2.66GHz -----8<----8<---------8<----- Dec 21 11:45:59 drake038 /bsd: OpenBSD 4.0-current (GENERIC) #1288: Tue Dec 19 20:56:54 MST 2006 Dec 21 11:45:59 drake038 /bsd: [EMAIL PROTECTED]:/usr/src/sys/arch/i386/compile/GENERIC Dec 21 11:45:59 drake038 /bsd: RTC BIOS diagnostic error 80<clock_battery> Dec 21 11:45:59 drake038 /bsd: cpu0: Intel(R) Core(TM)2 Duo CPU X6800 @ 2.93GHz ("GenuineIntel" 686-class) 2.67 GHz Dec 21 11:45:59 drake038 /bsd: cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36, CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,SBF,SSE3,MWAIT,DS-CPL,VMX,EST ,TM2,CX16 Dec 21 11:45:59 drake038 /bsd: real mem = 2128441344 (2078556K) Dec 21 11:45:59 drake038 /bsd: avail mem = 1933262848 (1887952K) Dec 21 11:45:59 drake038 /bsd: using 4256 buffers containing 106586112 bytes (104088K) of memory Dec 21 11:45:59 drake038 /bsd: RTC BIOS diagnostic error 80<clock_battery> Dec 21 11:45:59 drake038 /bsd: mainbus0 (root) Dec 21 11:45:59 drake038 /bsd: bios0 at mainbus0: AT/286+(00) BIOS, date 11/01/06, SMBIOS rev. 2.4 @ 0xe4390 (35 entries) Dec 21 11:45:59 drake038 /bsd: bios0: Intel Corporation DG965WH Dec 21 11:45:59 drake038 /bsd: apm0 at bios0: Power Management spec V1.2 Dec 21 11:45:59 drake038 /bsd: apm0: battery life expectancy 0% Dec 21 11:45:59 drake038 /bsd: apm0: AC off, battery charge unknown, estimated 0:00 hours Dec 21 11:45:59 drake038 /bsd: apm0: flags 30102 dobusy 0 doidle 1 Dec 21 11:45:59 drake038 /bsd: pcibios at bios0 function 0x1a not configured Dec 21 11:45:59 drake038 /bsd: bios0: ROM list: 0xc0000/0xee00! 0xcf000/0x1000 0xd0000/0x1000 Dec 21 11:45:59 drake038 /bsd: acpi at mainbus0 not configured Dec 21 11:45:59 drake038 /bsd: cpu0 at mainbus0 Dec 21 11:45:59 drake038 /bsd: cpu0: Enhanced SpeedStep disabled by BIOS Dec 21 11:45:59 drake038 /bsd: pci0 at mainbus0 bus 0: configuration mode 1 (no bios) Dec 21 11:45:59 drake038 /bsd: pchb0 at pci0 dev 0 function 0 "Intel 82965 MCH" rev 0x02 Dec 21 11:45:59 drake038 /bsd: ppb0 at pci0 dev 1 function 0 "Intel 82965 PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci1 at ppb0 bus 1 Dec 21 11:45:59 drake038 /bsd: vga1 at pci1 dev 0 function 0 "NVIDIA GeForce 6600" rev 0xa2 Dec 21 11:45:59 drake038 /bsd: wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) Dec 21 11:45:59 drake038 /bsd: wsdisplay0: screen 1-5 added (80x25, vt100 emulation) Dec 21 11:45:59 drake038 /bsd: "Intel 82865 HECI" rev 0x02 at pci0 dev 3 function 0 not configured Dec 21 11:45:59 drake038 /bsd: em0 at pci0 dev 25 function 0 "Intel ICH8 IGP C" rev 0x02: irq 9, address 00:16:76:a8:77:75 Dec 21 11:45:59 drake038 /bsd: uhci0 at pci0 dev 26 function 0 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb0 at uhci0: USB revision 1.0 Dec 21 11:45:59 drake038 /bsd: uhub0 at usb0 Dec 21 11:45:59 drake038 /bsd: uhub0: Intel UHCI root hub, rev 1.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub0: 2 ports with 2 removable, self powered Dec 21 11:45:59 drake038 /bsd: uhci1 at pci0 dev 26 function 1 "Intel 82801H USB" rev 0x02: irq 10 Dec 21 11:45:59 drake038 /bsd: usb1 at uhci1: USB revision 1.0 Dec 21 11:45:59 drake038 /bsd: uhub1 at usb1 Dec 21 11:45:59 drake038 /bsd: uhub1: Intel UHCI root hub, rev 1.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub1: 2 ports with 2 removable, self powered Dec 21 11:45:59 drake038 /bsd: ehci0 at pci0 dev 26 function 7 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb2 at ehci0: USB revision 2.0 Dec 21 11:45:59 drake038 /bsd: uhub2 at usb2 Dec 21 11:45:59 drake038 /bsd: uhub2: Intel EHCI root hub, rev 2.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub2: 4 ports with 4 removable, self powered Dec 21 11:45:59 drake038 /bsd: azalia0 at pci0 dev 27 function 0 "Intel 82801H HD Audio" rev 0x02: irq 9 Dec 21 11:45:59 drake038 /bsd: azalia0: host: High Definition Audio rev. 1.0 Dec 21 11:45:59 drake038 /bsd: azalia0: codec: 0x04x/0x8384 (rev. 2.1), HDA version 1.0 Dec 21 11:45:59 drake038 /bsd: audio0 at azalia0 Dec 21 11:45:59 drake038 /bsd: ppb1 at pci0 dev 28 function 0 "Intel 82801H PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci2 at ppb1 bus 2 Dec 21 11:45:59 drake038 /bsd: ppb2 at pci0 dev 28 function 1 "Intel 82801H PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci3 at ppb2 bus 3 Dec 21 11:45:59 drake038 /bsd: pciide0 at pci3 dev 0 function 0 "Marvell SATA" rev 0xb1: DMA (unsupported), channel 0 configured to native-PCI, channel 1 configured to native-PCI Dec 21 11:45:59 drake038 /bsd: pciide0: using irq 10 for native-PCI interrupt Dec 21 11:45:59 drake038 /bsd: pciide0: channel 0 ignored (not responding; disabled or no drives?) Dec 21 11:45:59 drake038 /bsd: pciide0: channel 1 ignored (not responding; disabled or no drives?) Dec 21 11:45:59 drake038 /bsd: ppb3 at pci0 dev 28 function 2 "Intel 82801H PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci4 at ppb3 bus 4 Dec 21 11:45:59 drake038 /bsd: ppb4 at pci0 dev 28 function 3 "Intel 82801H PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci5 at ppb4 bus 5 Dec 21 11:45:59 drake038 /bsd: ppb5 at pci0 dev 28 function 4 "Intel 82801H PCIE" rev 0x02 Dec 21 11:45:59 drake038 /bsd: pci6 at ppb5 bus 6 Dec 21 11:45:59 drake038 /bsd: uhci2 at pci0 dev 29 function 0 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb3 at uhci2: USB revision 1.0 Dec 21 11:45:59 drake038 /bsd: uhub3 at usb3 Dec 21 11:45:59 drake038 /bsd: uhub3: Intel UHCI root hub, rev 1.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub3: 2 ports with 2 removable, self powered Dec 21 11:45:59 drake038 /bsd: uhci3 at pci0 dev 29 function 1 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb4 at uhci3: USB revision 1.0 Dec 21 11:45:59 drake038 /bsd: uhub4 at usb4 Dec 21 11:45:59 drake038 /bsd: uhub4: Intel UHCI root hub, rev 1.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub4: 2 ports with 2 removable, self powered Dec 21 11:45:59 drake038 /bsd: uhci4 at pci0 dev 29 function 2 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb5 at uhci4: USB revision 1.0 Dec 21 11:45:59 drake038 /bsd: uhub5 at usb5 Dec 21 11:45:59 drake038 /bsd: uhub5: Intel UHCI root hub, rev 1.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub5: 2 ports with 2 removable, self powered Dec 21 11:45:59 drake038 /bsd: ehci1 at pci0 dev 29 function 7 "Intel 82801H USB" rev 0x02: irq 11 Dec 21 11:45:59 drake038 /bsd: usb6 at ehci1: USB revision 2.0 Dec 21 11:45:59 drake038 /bsd: uhub6 at usb6 Dec 21 11:45:59 drake038 /bsd: uhub6: Intel EHCI root hub, rev 2.00/1.00, addr 1 Dec 21 11:45:59 drake038 /bsd: uhub6: 6 ports with 6 removable, self powered Dec 21 11:45:59 drake038 /bsd: ppb6 at pci0 dev 30 function 0 "Intel 82801BA AGP" rev 0xf2 Dec 21 11:45:59 drake038 /bsd: pci7 at ppb6 bus 7 Dec 21 11:45:59 drake038 /bsd: "TI TSB43AB22 FireWire" rev 0x00 at pci7 dev 3 function 0 not configured Dec 21 11:45:59 drake038 /bsd: pcib0 at pci0 dev 31 function 0 vendor "Intel", unknown product 0x2812 rev 0x02 Dec 21 11:45:59 drake038 /bsd: pciide1 at pci0 dev 31 function 2 "Intel 82801H SATA" rev 0x02: DMA, channel 0 configured to native-PCI, channel 1 configured to native-PCI Dec 21 11:45:59 drake038 /bsd: pciide1: using irq 11 for native-PCI interrupt Dec 21 11:45:59 drake038 /bsd: wd0 at pciide1 channel 0 drive 0: <WDC WD1200JD-00FYB0> Dec 21 11:45:59 drake038 /bsd: wd0: 16-sector PIO, LBA48, 114473MB, 234441648 sectors Dec 21 11:45:59 drake038 /bsd: wd0(pciide1:0:0): using PIO mode 4, Ultra-DMA mode 5 Dec 21 11:45:59 drake038 /bsd: ichiic0 at pci0 dev 31 function 3 "Intel 82801H SMBus" rev 0x02: irq 10 Dec 21 11:45:59 drake038 /bsd: iic0 at ichiic0 Dec 21 11:45:59 drake038 /bsd: pciide2 at pci0 dev 31 function 5 "Intel 82801H SATA" rev 0x02: DMA, channel 0 wired to native-PCI, channel 1 wired to native-PCI Dec 21 11:45:59 drake038 /bsd: pciide2: using irq 11 for native-PCI interrupt Dec 21 11:45:59 drake038 /bsd: isa0 at pcib0 Dec 21 11:45:59 drake038 /bsd: isadma0 at isa0 Dec 21 11:45:59 drake038 /bsd: pckbc0 at isa0 port 0x60/5 Dec 21 11:45:59 drake038 /bsd: pckbd0 at pckbc0 (kbd slot) Dec 21 11:45:59 drake038 /bsd: pckbc0: using irq 1 for kbd slot Dec 21 11:45:59 drake038 /bsd: wskbd0 at pckbd0: console keyboard, using wsdisplay0 Dec 21 11:45:59 drake038 /bsd: pmsi0 at pckbc0 (aux slot) Dec 21 11:45:59 drake038 /bsd: pckbc0: using irq 12 for aux slot Dec 21 11:45:59 drake038 /bsd: wsmouse0 at pmsi0 mux 0 Dec 21 11:45:59 drake038 /bsd: pcppi0 at isa0 port 0x61 Dec 21 11:45:59 drake038 /bsd: midi0 at pcppi0: <PC speaker> Dec 21 11:46:00 drake038 /bsd: spkr0 at pcppi0 Dec 21 11:46:00 drake038 /bsd: lpt0 at isa0 port 0x378/4 irq 7 Dec 21 11:46:00 drake038 /bsd: npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 Dec 21 11:46:00 drake038 /bsd: pccom0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo Dec 21 11:46:00 drake038 /bsd: fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 Dec 21 11:46:00 drake038 /bsd: fd0 at fdc0 drive 0: 1.44MB 80 cyl, 2 head, 18 sec Dec 21 11:46:00 drake038 /bsd: biomask ed6d netmask ef6d ttymask ffef Dec 21 11:46:00 drake038 /bsd: pctr: 686-class user-level performance counters enabled Dec 21 11:46:00 drake038 /bsd: mtrr: Pentium Pro MTRR support Dec 21 11:46:00 drake038 /bsd: dkcsum: wd0 matches BIOS drive 0x80 Dec 21 11:46:00 drake038 /bsd: root on wd0a Dec 21 11:46:00 drake038 /bsd: rootdev=0x0 rrootdev=0x300 rawdev=0x302 Dec 21 11:45:59 drake038 savecore: no core dump -----8<----8<---------8<-----