Hi,

I just noticed that kernels build from GENERIC.MPACPI (i386) shows a very h=
igh=20
interrupt load on an idle computer.  GENERIC and GENERIC.MP do not show thi=
s=20
behavior.  Is this a known problem or something worth investigating further?

Thanks,

Sverre

=46rom top:

load averages:  0.14,  0.11,  0.05                  up 0 days,  0:05  =20
10:45:52
38 processes:  37 sleeping, 1 on processor
CPU0 states:  0.0% user,  0.0% nice,  0.0% system, 45.8% interrupt, 54.2% i=
dle
CPU1 states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% i=
dle
CPU2 states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% i=
dle
CPU3 states:  0.0% user,  0.0% nice,  0.0% system,  0.0% interrupt,  100% i=
dle
Memory: 18M Act, 3964K Wired, 4904K Exec, 4856K File, 957M Free
Swap: 129M Total, 129M Free

  PID USERNAME PRI NICE   SIZE   RES STATE      TIME   WCPU    CPU COMMAND
  441 root       2    0    48K  544K nfsd/2     0:06  0.00%  0.00% nfsd
  404 root       2    0   280K  984K select/0   0:05  0.00%  0.00% mountd
  300 sverre    28    0   180K 1076K CPU/0      0:04  0.00%  0.00% top
   12 root      18    0     0K   21M syncer/0   0:00  0.00%  0.00% [ioflush]
  700 root      18    0  1132K 3592K pause/0    0:00  0.00%  0.00% ntpd
    9 root      14    0     0K   21M crypto/0   0:00  0.00%  0.00% [cryptor=
et]
    6 root      10    0     0K   21M usbtsk/0   0:00  0.00%  0.00% [usbtask]

=46rom dmesg

NetBSD 3.99.24 (GENERIC.MPACPI) #9: Thu Aug  3 12:00:42 MDT 2006
       =20
toor@netbsd.viewmark.com:/usr/src/objdir/sys/arch/i386/compile.i386/GENERIC=
=2EMPACPI
total memory =3D 1023 MB
avail memory =3D 996 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
timecounter: selected timecounter "i8254" frequency 1193182 Hz quality 100
BIOS32 rev. 0 found at 0xffe90
mainbus0 (root)
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel Xeon (686-class), 1991.89 MHz, id 0xf27
cpu0: features bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features bfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
cpu0: features bfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu0: features2 400<CID>
cpu0: "Intel(R) Xeon(TM) CPU 2.00GHz"
cpu0: I-cache 12K uOp cache 8-way, D-cache 8 KB 64B/line 4-way
cpu0: L2 cache 512 KB 64B/line 8-way
cpu0: ITLB 4K/4M: 64 entries
cpu0: DTLB 4K/4M: 64 entries
cpu0: enabling thermal monitor 1 ... enabled.
cpu0: calibrating local timer
cpu0: apic clock running at 99 MHz
cpu0: 16 page colors
cpu1 at mainbus0: apid 2 (application processor)
cpu1: starting
cpu1: Intel Xeon (686-class), 1991.73 MHz, id 0xf27
cpu1: features bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu1: features bfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
cpu1: features bfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu1: features2 400<CID>
cpu1: "Intel(R) Xeon(TM) CPU 2.00GHz"
cpu1: I-cache 12K uOp cache 8-way, D-cache 8 KB 64B/line 4-way
cpu1: L2 cache 512 KB 64B/line 8-way
cpu1: ITLB 4K/4M: 64 entries
cpu1: DTLB 4K/4M: 64 entries
cpu1: using thermal monitor 1
cpu2 at mainbus0: apid 1 (application processor)
cpu2: starting
cpu2: Intel Xeon (686-class), 1991.71 MHz, id 0xf27
cpu2: features bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu2: features bfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
cpu2: features bfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu2: features2 400<CID>
cpu2: "Intel(R) Xeon(TM) CPU 2.00GHz"
cpu2: I-cache 12K uOp cache 8-way, D-cache 8 KB 64B/line 4-way
cpu2: L2 cache 512 KB 64B/line 8-way
cpu2: ITLB 4K/4M: 64 entries
cpu2: DTLB 4K/4M: 64 entries
cpu2: using thermal monitor 1
cpu3 at mainbus0: apid 3 (application processor)
cpu3: starting
cpu3: Intel Xeon (686-class), 1991.72 MHz, id 0xf27
cpu3: features bfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu3: features bfebfbff<PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX>
cpu3: features bfebfbff<FXSR,SSE,SSE2,SS,HTT,TM,SBF>
cpu3: features2 400<CID>
cpu3: "Intel(R) Xeon(TM) CPU 2.00GHz"
cpu3: I-cache 12K uOp cache 8-way, D-cache 8 KB 64B/line 4-way
cpu3: L2 cache 512 KB 64B/line 8-way
cpu3: ITLB 4K/4M: 64 entries
cpu3: DTLB 4K/4M: 64 entries
cpu3: using thermal monitor 1
ioapic0 at mainbus0 apid 4 (I/O APIC)
ioapic0: pa 0xfec00000, version 11, 16 pins
ioapic0: misconfigured as apic 0
ioapic0: remapped to apic 4
ioapic1 at mainbus0 apid 5 (I/O APIC)
ioapic1: pa 0xfec01000, version 11, 16 pins
ioapic1: misconfigured as apic 0
ioapic1: remapped to apic 5
ioapic2 at mainbus0 apid 6 (I/O APIC)
ioapic2: pa 0xfec02000, version 11, 16 pins
ioapic2: misconfigured as apic 0
ioapic2: remapped to apic 6
acpi0 at mainbus0: Advanced Configuration and Power Interface
acpi0: using Intel ACPI CA subsystem version 20060217
acpi0: X/RSDT: OemId <DELL  ,PE2650  ,00000001>, AslId <MSFT,0100000a>
acpi0: SCI interrupting at int 9
acpi0: fixed-feature power button present
timecounter: Timecounter "ACPI-Safe" frequency 3579545 Hz quality 900
timecounter: selected timecounter "ACPI-Safe" frequency 3579545 Hz quality =
900
ACPI-Safe 32-bit timer
LUSB: ACPI: Found matching pin for 0.15.INTA at func 2: 5
ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
ACPI Object Type 'Processor' (0x0c) at acpi0 not configured
PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
PNP0200 [AT DMA Controller] at acpi0 not configured
npx0 at acpi0 (PNP0C04)
npx0: io 0xf0-0xff irq 13
npx0: using exception 16
PNP0000 [AT Interrupt Controller] at acpi0 not configured
pcppi1 at acpi0 (PNP0800)
pcppi1: io 0x61
midi0 at pcppi1: PC speaker (CPU-intensive output)
sysbeep0 at pcppi1
attimer1 at acpi0 (PNP0100): AT Timer
attimer1: io 0x40-0x5f irq 0
fdc0 at acpi0 (PNP0700)
fdc0: io 0x3f0-0x3f5,0x3f7 irq 6 drq 2
pckbc0 at acpi0 (PNP0303): kbd port
pckbc0: io 0x60,0x64 irq 1
pckbc1 at acpi0 (PNP0F13): aux port
pckbc1: irq 12
com0 at acpi0 (PNP0501-1)
com0: io 0x3f8-0x3ff irq 4
com0: ns16550a, working fifo
com1 at acpi0 (PNP0501-2)
com1: io 0x2f8-0x2ff irq 3
com1: ns16550a, working fifo
PNP0B00 [AT Real-Time Clock] at acpi0 not configured
PNP0C01 [System Board] at acpi0 not configured
PNP0C01 [System Board] at acpi0 not configured
PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
PNP0A03 [PCI/PCI-X Host Bridge] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
PNP0C0F [PCI interrupt link device] at acpi0 not configured
pcppi1: attached to attimer1
pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled, rd/line, rd/mult, wr/inv ok
pchb0 at pci0 dev 0 function 0
pchb0: ServerWorks CNB30-HE PCI bridge (rev. 0x13)
pchb1 at pci0 dev 0 function 1
pchb1: ServerWorks CNB30-HE PCI bridge (rev. 0x00)
pchb2 at pci0 dev 0 function 2
pchb2: ServerWorks product 0x0000 (rev. 0x00)
pchb2: unknown ServerWorks chip ID 0x0000; trying to attach PCI buses behin=
d=20
it
Dell Computer product 0x000c (undefined subclass 0x00) at pci0 dev 4 functi=
on=20
0 not configured
Dell Computer PERC 3/Di (undefined subclass 0x00) at pci0 dev 4 function 1 =
not=20
configured
Dell Computer product 0x000d (IPMI serial bus) at pci0 dev 4 function 2 not=
=20
configured
vga0 at pci0 dev 14 function 0: ATI Technologies Rage XL (rev. 0x27)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
pchb3 at pci0 dev 15 function 0
pchb3: ServerWorks CSB5 southbridge (rev. 0x93)
rccide0 at pci0 dev 15 function 1
rccide0: ServerWorks CSB5 IDE Controller (rev. 0x93)
rccide0: bus-master DMA support present
rccide0: primary channel configured to compatibility mode
rccide0: primary channel interrupting at ioapic0 pin 14 (irq 14)
atabus0 at rccide0 channel 0
rccide0: secondary channel wired to compatibility mode
rccide0: secondary channel interrupting at ioapic0 pin 15 (irq 15)
atabus1 at rccide0 channel 1
ohci0 at pci0 dev 15 function 2: ServerWorks OSB4/CSB5 USB Host Controller=
=20
(rev. 0x05)
ohci0: interrupting at ioapic0 pin 5 (irq 5)
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: ServerWorks OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
pcib0 at pci0 dev 15 function 3
pcib0: ServerWorks CSB5 ISA/LPC bridge (rev. 0x00)
pchb4 at pci0 dev 16 function 0
pchb4: ServerWorks CIOB-X2 PCI-X bridge (rev. 0x03)
pci1 at pchb4 bus 3
pci1: i/o space, memory space enabled
bge0 at pci1 dev 6 function 0: Broadcom BCM5701 Gigabit Ethernet
bge0: interrupting at ioapic1 pin 12 (irq 11)
bge0: ASIC BCM5701 B5 (0x0105), Ethernet address 00:06:5b:f0:bd:a7
brgphy0 at bge0 phy 1: BCM5701 1000BASE-T media interface, rev. 0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,=20
1000baseT-FDX, auto
bge1 at pci1 dev 8 function 0: Broadcom BCM5701 Gigabit Ethernet
bge1: interrupting at ioapic1 pin 13 (irq 10)
bge1: ASIC BCM5701 B5 (0x0105), Ethernet address 00:06:5b:f0:bd:a8
brgphy1 at bge1 phy 1: BCM5701 1000BASE-T media interface, rev. 0
brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,=20
1000baseT-FDX, auto
pchb5 at pci0 dev 16 function 2
pchb5: ServerWorks CIOB-X2 PCI-X bridge (rev. 0x03)
pci2 at pchb5 bus 4
pci2: i/o space, memory space enabled
ppb0 at pci2 dev 8 function 0: Intel product 0x0309 (rev. 0x01)
pci3 at ppb0 bus 5
pci3: i/o space, memory space enabled
ahc1 at pci3 dev 6 function 0: Adaptec aic7899 Ultra160 SCSI adapter
ahc1: interrupting at ioapic1 pin 14 (irq 7)
ahc1: aic7899: Ultra160 Wide Channel A, SCSI Id=3D7, 32/253 SCBs
scsibus0 at ahc1: 16 targets, 8 luns per target
ahc2 at pci3 dev 6 function 1: Adaptec aic7899 Ultra160 SCSI adapter
ahc2: interrupting at ioapic1 pin 15 (irq 11)
ahc2: aic7899: Ultra160 Wide Channel B, SCSI Id=3D7, 32/253 SCBs
scsibus1 at ahc2: 16 targets, 8 luns per target
pchb6 at pci0 dev 17 function 0
pchb6: ServerWorks CIOB-X2 PCI-X bridge (rev. 0x03)
pci4 at pchb6 bus 1
pci4: i/o space, memory space enabled
pchb7 at pci0 dev 17 function 2
pchb7: ServerWorks CIOB-X2 PCI-X bridge (rev. 0x03)
pci5 at pchb7 bus 2
pci5: i/o space, memory space enabled
isa0 at pcib0
isapnp0 at isa0 port 0x279: ISA Plug 'n Play device support
isapnp0: no ISA Plug 'n Play devices found
ioapic0: enabling
ioapic1: enabling
ioapic2: enabling
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
fd0 at fdc0 drive 0: 1.44MB, 80 cyl, 2 head, 18 sec
Kernelized RAIDframe activated
atapibus0 at atabus0: 2 targets
scsibus0: waiting 2 seconds for devices to settle...
scsibus1: waiting 2 seconds for devices to settle...
cd0 at atapibus0 drive 0: <TEAC CD-ROM CD-224E, , K.9A> cdrom removable
cd0: 32-bit data port
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)
cd0(rccide0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 2 (Ultra/33)=
=20
(using DMA)
sd0 at scsibus0 target 0 lun 0: <HITACHI, DK32DJ-36MC, D4D4> disk fixed
sd0: 34732 MB, 26866 cyl, 5 head, 529 sec, 512 bytes/sect x 71132959 sectors
sd0: sync (12.50ns offset 100), 16-bit (160.000MB/s) transfers, tagged=20
queueing
ses0 at scsibus0 target 6 lun 0: <PE/PV, 1x5 SCSI BP, 0.34> processor fixed
ses0: SAF-TE Compliant Device
ses0: async, 8-bit transfers
boot device: sd0
root on sd0a dumps on sd0b
root file system type: ffs
cpu2: CPU 1 running
cpu1: CPU 2 running
cpu3: CPU 3 running
wsdisplay0: screen 1 added (80x25, vt100 emulation)
wsdisplay0: screen 2 added (80x25, vt100 emulation)
wsdisplay0: screen 3 added (80x25, vt100 emulation)
wsdisplay0: screen 4 added (80x25, vt100 emulation)