Hello misc@

every time hw.setperf crosses the border between 50 and 49 in direction from higher to lower value, the MP kernel on this machine reports:

CPU1: acpicpu setperf failed to alter frequency

It only occurs with the MP kernels and the reported CPU is always CPU1. I see the performance indeed drops, but the pollution of the system console, dmesg and logs caused by this in conjunction with "apmd -C" is quite annoying.

Does anybody know what's wrong and what can be done to fix it?

Thank you.

Regards,
David


OpenBSD 5.5-current (GENERIC.MP) #54: Sun Apr 20 03:46:09 MDT 2014
    dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP
cpu0: Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz ("GenuineIntel" 686-class) 1.80 GHz
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,PBE,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,LAHF,PERF
real mem  = 526807040 (502MB)
avail mem = 505761792 (482MB)
warning: no entropy supplied by boot loader
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 11/24/08, BIOS32 rev. 0 @ 0xfa080, SMBIOS 
rev. 2.4 @ 0xf0000 (34 entries)
bios0: vendor Phoenix Technologies, LTD version "MS7336 1.14" date 11/24/2008
bios0: Hewlett-Packard HP Compaq dx2300 Microtower
acpi0 at bios0: rev 0
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC HPET MCFG APIC SSDT SSDT
acpi0: wakeup devices PEX0(S5) PEX1(S5) PEX2(S5) PEX3(S5) PEX4(S5) PEX5(S5) 
HUB0(S5) UAR1(S5) UAR2(S5) USB0(S3) USB1(S3) USB2(S3) USB3(S3) USBE(S3) 
AC97(S5) AZAL(S5) [...]
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimcfg0 at acpi0 addr 0xe0000000, bus 0-255
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 199MHz
cpu0: mwait min=64, max=64, C-substates=0.2.0.0.0, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM)2 CPU 4300 @ 1.80GHz ("GenuineIntel" 686-class) 1.80 GHz
cpu1: 
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,PBE,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,CX16,xTPR,PDCM,LAHF,PERF
ioapic0 at mainbus0: apid 4 pa 0xfec00000, version 20, 24 pins
ioapic0: misconfigured as apic 0, remapped to apid 4
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEX0)
acpiprt2 at acpi0: bus -1 (PEX1)
acpiprt3 at acpi0: bus -1 (PEX2)
acpiprt4 at acpi0: bus -1 (PEX3)
acpiprt5 at acpi0: bus -1 (PEX4)
acpiprt6 at acpi0: bus -1 (PEX5)
acpiprt7 at acpi0: bus 2 (HUB0)
acpicpu0 at acpi0: FVS, 1800, 1200 MHz
acpicpu1 at acpi0: FVS, 1800, 1200 MHz
acpibtn0 at acpi0: PWRB
bios0: ROM list: 0xc0000/0xb000! 0xcc000/0x1800
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
pchb0 at pci0 dev 0 function 0 "Intel 82946GZ Host" rev 0x02
ppb0 at pci0 dev 1 function 0 "Intel 82946GZ PCIE" rev 0x02: apic 4 int 16
pci1 at ppb0 bus 1
vga1 at pci0 dev 2 function 0 "Intel 82946GZ Video" rev 0x02
intagp0 at vga1
agp0 at intagp0: aperture at 0xd0000000, size 0x10000000
inteldrm0 at vga1
drm0 at inteldrm0
inteldrm0: 1280x1024
wsdisplay0 at vga1 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x01: msi
azalia0: codecs: Realtek ALC888
audio0 at azalia0
uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x01: apic 4 int 23
uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x01: apic 4 int 19
uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x01: apic 4 int 18
uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x01: apic 4 int 16
ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x01: apic 4 int 23
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
ppb1 at pci0 dev 30 function 0 "Intel 82801BA Hub-to-PCI" rev 0xe1
pci2 at ppb1 bus 2
fxp0 at pci2 dev 8 function 0 "Intel 82801GB LAN" rev 0x01, i82562: apic 4 int 
20, address xx:xx:xx:xx:xx:xx
inphy0 at fxp0 phy 1: i82562ET 10/100 PHY, rev. 0
ichpcib0 at pci0 dev 31 function 0 "Intel 82801GB LPC" rev 0x01: PM disabled
pciide0 at pci0 dev 31 function 2 "Intel 82801GB SATA" rev 0x01: DMA, channel 0 
configured to native-PCI, channel 1 configured to native-PCI
pciide0: using apic 4 int 19 for native-PCI interrupt
wd0 at pciide0 channel 0 drive 0: <ST3250318AS>
wd0: 16-sector PIO, LBA48, 238475MB, 488397168 sectors
wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 6
atapiscsi0 at pciide0 channel 1 drive 0
scsibus1 at atapiscsi0: 2 targets
cd0 at scsibus1 targ 0 lun 0: <HL-DT-ST, DVD+-RW GSA-H31L, W618> ATAPI 5/cdrom 
removable
cd0(pciide0:1:0): using PIO mode 4, Ultra-DMA mode 5
ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x01: apic 4 int 19
iic0 at ichiic0
iic0: addr 0x2f 00=c0 01=07 02=00 03=00 04=07 05=00 06=00 07=00 14=14 15=62 
16=03 17=04 words 00=c0ff 01=07ff 02=00ff 03=00ff 04=07ff 05=00ff 06=00ff 
07=00ff
spdmem0 at iic0 addr 0x50: 512MB DDR2 SDRAM non-parity PC2-5300CL5
usb1 at uhci0: USB revision 1.0
uhub1 at usb1 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb2 at uhci1: USB revision 1.0
uhub2 at usb2 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb3 at uhci2: USB revision 1.0
uhub3 at usb3 "Intel UHCI root hub" rev 1.00/1.00 addr 1
usb4 at uhci3: USB revision 1.0
uhub4 at usb4 "Intel UHCI root hub" rev 1.00/1.00 addr 1
isa0 at ichpcib0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo
com1 at isa0 port 0x2f8/8 irq 3: ns16550a, 16 byte fifo
pckbc0 at isa0 port 0x60/5
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
pckbc0: using irq 12 for aux slot
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
lpt0 at isa0 port 0x378/4 irq 7
wbsio0 at isa0 port 0x4e/2: W83627DHG rev 0x23
lm1 at wbsio0 port 0x290/8: W83627DHG
npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16
umass0 at uhub0 port 2 configuration 1 interface 0 "Generic USB2.0-CRW" rev 
2.00/11.22 addr 2
umass0: using SCSI over Bulk-Only
scsibus2 at umass0: 2 targets, initiator 0
sd0 at scsibus2 targ 1 lun 0: <Generic-, Compact Flash, 1.00> SCSI0 0/direct 
removable
sd1 at scsibus2 targ 1 lun 1: <Generic-, SM/xD-Picture, 1.00> SCSI0 0/direct 
removable
sd2 at scsibus2 targ 1 lun 2: <Generic-, SD/MMC, 1.00> SCSI0 0/direct removable
sd3 at scsibus2 targ 1 lun 3: <Generic-, MS/MS-Pro, 1.00> SCSI0 0/direct 
removable
umass1 at uhub0 port 8 configuration 1 interface 0 "HGST Touro Desk 3.0" rev 
2.10/0.00 addr 3
umass1: using SCSI over Bulk-Only
scsibus3 at umass1: 2 targets, initiator 0
sd4 at scsibus3 targ 1 lun 0: <HGST, , 0000> SCSI4 0/direct fixed 
serial.xxxxxxxxxxxxxxxxxxxx
sd4: 3815446MB, 4096 bytes/sector, 976754431 sectors
vscsi0 at root
scsibus4 at vscsi0: 256 targets
softraid0 at root
scsibus5 at softraid0: 256 targets
root device (default wd0a): sd4a
swap device (default sd4b): root on sd4a swap on sd4b dump on sd4b
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency
CPU1: acpicpu setperf failed to alter frequency

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