What is interrupting at ioapic0 pin 9?

To: current-users%netbsd.org@localhost
Subject: What is interrupting at ioapic0 pin 9?
From: Paul Goyette <paul%whooppee.com@localhost>
Date: Thu, 6 Dec 2012 07:20:56 -0800 (PST)

Under heavy load (such as, build.sh -j16) my system shows a lot of"system" time (30-50%, sometimes even more). systat shows that I'mgetting ~140K interrupts per second on ioapic0 pin 9.

Unfortunately, dmesg doesn't seem to indicate what device might beconnected to that pin! It does show


        acpi0 at mainbus0: Intel ACPICA 20110623
        acpi0: X/RSDT: OemId <112311,XSDT2034,20111123>, AslId <MSFT,00000097>
        acpi0: SCI interrupting at int 9

but I can't imagine ACPI generating that quantity of interrupts!

Any clues?  (The entire dmesg is attached.)

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| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
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NetBSD 6.99.14 (WHOOPPEE (shared) 2012-10-20 17:00:50) #52: Sat Oct 20 10:04:12 
PDT 2012
        
paul%screamer.whooppee.com@localhost:/build/netbsd-local/obj/amd64/sys/arch/amd64/compile/WHOOPPEE
total memory = 32767 MB
avail memory = 31810 MB
timecounter: Timecounters tick every 10.000 msec
timecounter: Timecounter "i8254" frequency 1193182 Hz quality 100
System manufacturer System Product Name (System Version)
mainbus0 (root)
ACPI Warning: Optional field Pm2ControlBlock has zero address or length: 
0x0000000000000000/0x1 (20110623/tbfadt-586)
cpu0 at mainbus0 apid 16: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu1 at mainbus0 apid 17: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu2 at mainbus0 apid 18: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu3 at mainbus0 apid 19: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu4 at mainbus0 apid 20: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu5 at mainbus0 apid 21: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu6 at mainbus0 apid 22: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu7 at mainbus0 apid 23: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu8 at mainbus0 apid 24: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu9 at mainbus0 apid 25: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu10 at mainbus0 apid 26: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu11 at mainbus0 apid 27: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu12 at mainbus0 apid 32: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu13 at mainbus0 apid 33: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu14 at mainbus0 apid 34: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu15 at mainbus0 apid 35: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu16 at mainbus0 apid 36: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu17 at mainbus0 apid 37: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu18 at mainbus0 apid 38: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu19 at mainbus0 apid 39: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu20 at mainbus0 apid 40: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu21 at mainbus0 apid 41: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu22 at mainbus0 apid 42: AMD Opteron(tm) Processor 6172, id 0x100f91
cpu23 at mainbus0 apid 43: AMD Opteron(tm) Processor 6172, id 0x100f91
ioapic0 at mainbus0 apid 44: pa 0xfec00000, version 21, 24 pins
ioapic0: can't remap to apid 44
ioapic1 at mainbus0 apid 45: pa 0xfec20000, version 21, 32 pins
ioapic1: can't remap to apid 45
acpi0 at mainbus0: Intel ACPICA 20110623
acpi0: X/RSDT: OemId <112311,XSDT2034,20111123>, AslId <MSFT,00000097>
acpi0: SCI interrupting at int 9
timecounter: Timecounter "ACPI-Fast" frequency 3579545 Hz quality 1000
NMEM (PNP0C02) at acpi0 not configured
UMEM (PNP0C02) at acpi0 not configured
attimer0 at acpi0 (TMR, PNP0100): io 0x40-0x43 irq 0
pcppi0 at acpi0 (SPKR, PNP0800): io 0x61
midi0 at pcppi0: PC speaker
sysbeep0 at pcppi0
SIOR (PNP0C02) at acpi0 not configured
HPET (PNP0103) at acpi0 not configured
OMSC (PNP0C02) at acpi0 not configured
RMSC (PNP0C02) at acpi0 not configured
com0 at acpi0 (UAR1, PNP0501-1): io 0x3f8-0x3ff irq 4
com0: ns16550a, working fifo
com1 at acpi0 (UAR2, PNP0501-2): io 0x2f8-0x2ff irq 3
com1: ns16550a, working fifo
PCIE (PNP0C02) at acpi0 not configured
RMEM (PNP0C01) at acpi0 not configured
PWRB (PNP0C0C) at acpi0 not configured
attimer0: attached to pcppi0
ipmi: bus_space_map(..., ca0, 2, 0, 0xffffffff806f8b98) failed
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: vendor 0x1002 product 0x5a10 (rev. 0x02)
ppb0 at pci0 dev 2 function 0: vendor 0x1002 product 0x5a16 (rev. 0x00)
ppb0: PCI Express 2.0 <Root Port of PCI-E Root Complex> x16 @ 5.0Gb/s
> x16 @ 2.5Gb/s
pci1 at ppb0 bus 5
pci1: i/o space, memory space enabled, rd/line, wr/inv ok
vga0 at pci1 dev 0 function 0: vendor 0x1002 product 0x95c5 (rev. 0x00)
wsdisplay0 at vga0 kbdmux 1: console (80x25, vt100 emulation)
wsmux1: connecting to wsdisplay0
radeondrm0 at vga0: ATI Radeon HD 3450
radeondrm0: Initialized radeon 1.29.0 20080613
vendor 0x1002 product 0xaa28 (HD audio multimedia) at pci1 dev 0 function 1 not 
configured
ppb1 at pci0 dev 9 function 0: vendor 0x1002 product 0x5a1c (rev. 0x00)
ppb1: PCI Express 2.0 <Root Port of PCI-E Root Complex> x2 @ 5.0Gb/s
> x1 @ 2.5Gb/s
pci2 at ppb1 bus 4
pci2: i/o space, memory space enabled, rd/line, wr/inv ok
wm0 at pci2 dev 0 function 0: Intel i82574L (rev. 0x00)
wm0: interrupting at ioapic1 pin 24
wm0: PCI-Express bus
wm0: 256 word (8 address bits) SPI EEPROM
wm0: Ethernet address bc:ae:c5:30:d9:8a
ukphy0 at wm0 phy 1: OUI 0x000ac2, model 0x000b, rev. 1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
ppb2 at pci0 dev 10 function 0: vendor 0x1002 product 0x5a1d (rev. 0x00)
ppb2: PCI Express 2.0 <Root Port of PCI-E Root Complex> x2 @ 5.0Gb/s
> x1 @ 2.5Gb/s
pci3 at ppb2 bus 3
pci3: i/o space, memory space enabled, rd/line, wr/inv ok
wm1 at pci3 dev 0 function 0: Intel i82574L (rev. 0x00)
wm1: interrupting at ioapic1 pin 23
wm1: PCI-Express bus
wm1: 256 word (8 address bits) SPI EEPROM
wm1: Ethernet address bc:ae:c5:30:da:51
ukphy1 at wm1 phy 1: OUI 0x000ac2, model 0x000b, rev. 1
ukphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 
1000baseT-FDX, auto
ppb3 at pci0 dev 11 function 0: vendor 0x1002 product 0x5a1f (rev. 0x00)
ppb3: PCI Express 2.0 <Root Port of PCI-E Root Complex> x16 @ 5.0Gb/s
> x1 @ 2.5Gb/s
pci4 at ppb3 bus 2
pci4: i/o space, memory space enabled, rd/line, wr/inv ok
jmide0 at pci4 dev 0 function 0: vendor 0x197b product 0x2363 (rev. 0x02)
jmide0: 1 PATA port, 2 SATA ports
jmide0: interrupting at ioapic1 pin 8
ahcisata1 at jmide0
ahcisata1: AHCI revision 1.0, 2 ports, 32 slots, CAP 
0xc722ff01<PSC,SSC,PMD,SPM,ISS=0x2=Gen2,SCLO,SAL,SALP,SNCQ,S64A>
atabus8 at ahcisata1 channel 0
atabus9 at ahcisata1 channel 1
jmide0: PCI IDE interface used
jmide0: bus-master DMA support present
jmide0: primary channel wired to native-PCI mode
jmide0: primary channel is unused
jmide0: secondary channel wired to native-PCI mode
jmide0: secondary channel is PATA
atabus10 at jmide0 channel 1
ahcisata0 at pci0 dev 17 function 0: vendor 0x1002 product 0x4391 (rev. 0x00)
ahcisata0: interrupting at ioapic0 pin 22
ahcisata0: 64-bit DMA
ahcisata0: AHCI revision 1.10, 6 ports, 32 slots, CAP 
0xf722ff85<CCCS,PSC,SSC,PMD,SPM,ISS=0x2=Gen2,SCLO,SAL,SALP,SMPS,SSNTF,SNCQ,S64A>
atabus0 at ahcisata0 channel 0
atabus1 at ahcisata0 channel 1
atabus2 at ahcisata0 channel 2
atabus3 at ahcisata0 channel 3
atabus4 at ahcisata0 channel 4
atabus5 at ahcisata0 channel 5
ohci0 at pci0 dev 18 function 0: vendor 0x1002 product 0x4397 (rev. 0x00)
ohci0: interrupting at ioapic0 pin 16
ohci0: OHCI version 1.0, legacy support
usb0 at ohci0: USB revision 1.0
ohci1 at pci0 dev 18 function 1: vendor 0x1002 product 0x4398 (rev. 0x00)
ohci1: interrupting at ioapic0 pin 16
ohci1: OHCI version 1.0, legacy support
usb1 at ohci1: USB revision 1.0
ehci0 at pci0 dev 18 function 2: vendor 0x1002 product 0x4396 (rev. 0x00)
ehci0: interrupting at ioapic0 pin 17
ehci0: dropped intr workaround enabled
ehci0: EHCI version 1.0
ehci0: companion controllers, 3 ports each: ohci0 ohci1
usb2 at ehci0: USB revision 2.0
ohci2 at pci0 dev 19 function 0: vendor 0x1002 product 0x4397 (rev. 0x00)
ohci2: interrupting at ioapic0 pin 18
ohci2: OHCI version 1.0, legacy support
usb3 at ohci2: USB revision 1.0
ohci3 at pci0 dev 19 function 1: vendor 0x1002 product 0x4398 (rev. 0x00)
ohci3: interrupting at ioapic0 pin 18
ohci3: OHCI version 1.0, legacy support
usb4 at ohci3: USB revision 1.0
ehci1 at pci0 dev 19 function 2: vendor 0x1002 product 0x4396 (rev. 0x00)
ehci1: interrupting at ioapic0 pin 19
ehci1: dropped intr workaround enabled
ehci1: EHCI version 1.0
ehci1: companion controllers, 3 ports each: ohci2 ohci3
usb5 at ehci1: USB revision 2.0
piixpm0 at pci0 dev 20 function 0: vendor 0x1002 product 0x4385 (rev. 0x3d)
piixpm0: interrupting at SMI, polling
iic0 at piixpm0: I2C bus
ixpide0 at pci0 dev 20 function 1: ATI Technologies IXP IDE Controller (rev. 
0x00)
ixpide0: bus-master DMA support present
ixpide0: primary channel configured to compatibility mode
ixpide0: primary channel interrupting at ioapic0 pin 14
atabus6 at ixpide0 channel 0
ixpide0: secondary channel configured to compatibility mode
ixpide0: secondary channel interrupting at ioapic0 pin 15
atabus7 at ixpide0 channel 1
pcib0 at pci0 dev 20 function 3: vendor 0x1002 product 0x439d (rev. 0x00)
ppb4 at pci0 dev 20 function 4: vendor 0x1002 product 0x4384 (rev. 0x00)
pci5 at ppb4 bus 1
pci5: i/o space, memory space enabled
fwohci0 at pci5 dev 2 function 0: vendor 0x11c1 product 0x5811 (rev. 0x70)
fwohci0: interrupting at ioapic0 pin 20
fwohci0: OHCI version 1.0 (ROM=1)
fwohci0: No. of Isochronous channels is 8.
fwohci0: EUI64 00:1f:c6:00:00:09:00:c5
fwohci0: Phy 1394a available S400, 2 ports.
fwohci0: Link S400, max_rec 2048 bytes.
ieee1394if0 at fwohci0: IEEE1394 bus
fwip0 at ieee1394if0: IP over IEEE1394
fwohci0: Initiate bus reset
ohci4 at pci0 dev 20 function 5: vendor 0x1002 product 0x4399 (rev. 0x00)
ohci4: interrupting at ioapic0 pin 18
ohci4: OHCI version 1.0, legacy support
usb6 at ohci4: USB revision 1.0
pchb1 at pci0 dev 24 function 0: vendor 0x1022 product 0x1200 (rev. 0x00)
pchb2 at pci0 dev 24 function 1: vendor 0x1022 product 0x1201 (rev. 0x00)
pchb3 at pci0 dev 24 function 2: vendor 0x1022 product 0x1202 (rev. 0x00)
amdnb_misc0 at pci0 dev 24 function 3: AMD NB Misc Configuration
pchb4 at pci0 dev 24 function 4: vendor 0x1022 product 0x1204 (rev. 0x00)
pchb5 at pci0 dev 25 function 0: vendor 0x1022 product 0x1200 (rev. 0x00)
pchb6 at pci0 dev 25 function 1: vendor 0x1022 product 0x1201 (rev. 0x00)
pchb7 at pci0 dev 25 function 2: vendor 0x1022 product 0x1202 (rev. 0x00)
amdnb_misc1 at pci0 dev 25 function 3: AMD NB Misc Configuration
pchb8 at pci0 dev 25 function 4: vendor 0x1022 product 0x1204 (rev. 0x00)
pchb9 at pci0 dev 26 function 0: vendor 0x1022 product 0x1200 (rev. 0x00)
pchb10 at pci0 dev 26 function 1: vendor 0x1022 product 0x1201 (rev. 0x00)
pchb11 at pci0 dev 26 function 2: vendor 0x1022 product 0x1202 (rev. 0x00)
amdnb_misc2 at pci0 dev 26 function 3: AMD NB Misc Configuration
pchb12 at pci0 dev 26 function 4: vendor 0x1022 product 0x1204 (rev. 0x00)
pchb13 at pci0 dev 27 function 0: vendor 0x1022 product 0x1200 (rev. 0x00)
pchb14 at pci0 dev 27 function 1: vendor 0x1022 product 0x1201 (rev. 0x00)
pchb15 at pci0 dev 27 function 2: vendor 0x1022 product 0x1202 (rev. 0x00)
amdnb_misc3 at pci0 dev 27 function 3: AMD NB Misc Configuration
pchb16 at pci0 dev 27 function 4: vendor 0x1022 product 0x1204 (rev. 0x00)
isa0 at pcib0
pckbc0 at isa0 port 0x60-0x64
pckbd0 at pckbc0 (kbd slot)
pckbc0: using irq 1 for kbd slot
wskbd0 at pckbd0: console keyboard, using wsdisplay0
fwohci0: BUS reset
fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode
ieee1394if0: 1 nodes, maxhop <= 0 cable IRM irm(0) (me)
ieee1394if0: bus manager 0
timecounter: Timecounter "clockinterrupt" frequency 100 Hz quality 0
timecounter: Timecounter "TSC" frequency 2100168740 Hz quality 3000
uhub0 at usb4: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 3 ports with 3 removable, self powered
uhub1 at usb0: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 3 ports with 3 removable, self powered
uhub2 at usb3: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub2: 3 ports with 3 removable, self powered
uhub3 at usb1: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub3: 3 ports with 3 removable, self powered
uhub4 at usb5: vendor 0x1002 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub4: 6 ports with 6 removable, self powered
uhub5 at usb6: vendor 0x1002 OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub5: 2 ports with 2 removable, self powered
uhub6 at usb2: vendor 0x1002 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub6: 6 ports with 6 removable, self powered
ahcisata1 port 0: device present, speed: 1.5Gb/s
ahcisata0 port 0: device present, speed: 3.0Gb/s
ahcisata0 port 1: device present, speed: 3.0Gb/s
ahcisata0 port 2: device present, speed: 3.0Gb/s
ahcisata0 port 3: device present, speed: 3.0Gb/s
ahcisata0 port 4: device present, speed: 3.0Gb/s
ahcisata0 port 5: device present, speed: 3.0Gb/s
atapibus0 at atabus8: 1 targets
cd0 at atapibus0 drive 0: <Optiarc DVD RW AD-7261S, , 1.01> cdrom removable
cd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100)
cd0(ahcisata1:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 5 (Ultra/100) 
(using DMA)
wd0 at atabus0 drive 0
wd0: <ST3250318AS>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 232 GB, 484521 cyl, 16 head, 63 sec, 512 bytes/sect x 488397168 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd1 at atabus1 drive 0
wd1: <ST3250318AS>
wd1: drive supports 16-sector PIO transfers, LBA48 addressing
wd1: 232 GB, 484521 cyl, 16 head, 63 sec, 512 bytes/sect x 488397168 sectors
wd1: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd1(ahcisata0:1:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd2 at atabus2 drive 0
wd2: <WDC WD5000AADS-00M2B0>
wd2: drive supports 16-sector PIO transfers, LBA48 addressing
wd2: 465 GB, 969021 cyl, 16 head, 63 sec, 512 bytes/sect x 976773168 sectors
wd2: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd2(ahcisata0:2:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd3 at atabus3 drive 0
wd3: <WDC WD5000AADS-00M2B0>
wd3: drive supports 16-sector PIO transfers, LBA48 addressing
wd3: 465 GB, 969021 cyl, 16 head, 63 sec, 512 bytes/sect x 976773168 sectors
wd3: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd3(ahcisata0:3:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd4 at atabus4 drive 0
wd4: <WDC WD5000AAKS-00TMA0>
wd4: drive supports 16-sector PIO transfers, LBA48 addressing
wd4: 465 GB, 969021 cyl, 16 head, 63 sec, 512 bytes/sect x 976773168 sectors
wd4: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd4(ahcisata0:4:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
wd5 at atabus5 drive 0
wd5: <WDC WD1600AAJS-00L7A0>
wd5: drive supports 16-sector PIO transfers, LBA48 addressing
wd5: 149 GB, 310101 cyl, 16 head, 63 sec, 512 bytes/sect x 312581808 sectors
wd5: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd5(ahcisata0:5:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) 
(using DMA)
swwdog0: software watchdog initialized
Kernelized RAIDframe activated
raid0: RAID Level 1
raid0: Components: /dev/wd0e /dev/wd1e
raid0: Total Sectors: 488395008 (238474 MB)
raid1: RAID Level 1
raid1: Components: /dev/wd2e /dev/wd3e
raid1: Total Sectors: 976770944 (476938 MB)
boot device: raid0
root on raid0a dumps on raid0b
ugen0 at uhub1 port 1
ugen0: American Power Conversion Back-UPS BX1300G FW:864.L1 .D USB FW:L1, rev 
2.00/0.90, addr 2
raid0: Device already configured!
raid1: Device already configured!
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)
Accounting started
NMEM (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
UMEM (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
SIOR (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
HPET (PNP0103) [HPET Timer] at acpi0 not configured
OMSC (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
RMSC (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
PCIE (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
RMEM (PNP0C01) [System Board] at acpi0 not configured
acpibut0 at acpi0 (PWRB, PNP0C0C-170): ACPI Power Button
acpicpu0 at cpu0: ACPI CPU
acpicpu0: C1: HLT, lat   0 us, pow     0 mW
acpicpu0: P0: FFH, lat   4 us, pow  7177 mW, 2100 MHz
acpicpu0: P1: FFH, lat   4 us, pow  5706 mW, 1700 MHz
acpicpu0: P2: FFH, lat   4 us, pow  4700 mW, 1400 MHz
acpicpu0: P3: FFH, lat   4 us, pow  3802 mW, 1100 MHz
acpicpu0: P4: FFH, lat   4 us, pow  3040 mW,  800 MHz
acpicpu0: T0: I/O, lat   1 us, pow     0 mW, 100 %
acpicpu0: T1: I/O, lat   1 us, pow     0 mW,  88 %
acpicpu0: T2: I/O, lat   1 us, pow     0 mW,  76 %
acpicpu0: T3: I/O, lat   1 us, pow     0 mW,  64 %
acpicpu0: T4: I/O, lat   1 us, pow     0 mW,  52 %
acpicpu0: T5: I/O, lat   1 us, pow     0 mW,  40 %
acpicpu0: T6: I/O, lat   1 us, pow     0 mW,  28 %
acpicpu0: T7: I/O, lat   1 us, pow     0 mW,  16 %
acpicpu1 at cpu1: ACPI CPU
acpicpu2 at cpu2: ACPI CPU
acpicpu3 at cpu3: ACPI CPU
acpicpu4 at cpu4: ACPI CPU
acpicpu5 at cpu5: ACPI CPU
acpicpu6 at cpu6: ACPI CPU
acpicpu7 at cpu7: ACPI CPU
acpicpu8 at cpu8: ACPI CPU
acpicpu9 at cpu9: ACPI CPU
acpicpu10 at cpu10: ACPI CPU
acpicpu11 at cpu11: ACPI CPU
acpicpu12 at cpu12: ACPI CPU
acpicpu13 at cpu13: ACPI CPU
acpicpu14 at cpu14: ACPI CPU
acpicpu15 at cpu15: ACPI CPU
acpicpu16 at cpu16: ACPI CPU
acpicpu17 at cpu17: ACPI CPU
acpicpu18 at cpu18: ACPI CPU
acpicpu19 at cpu19: ACPI CPU
acpicpu20 at cpu20: ACPI CPU
acpicpu21 at cpu21: ACPI CPU
acpicpu22 at cpu22: ACPI CPU
acpicpu23 at cpu23: ACPI CPU
amdtemp0 at amdnb_misc0: AMD CPU Temperature Sensors (Family10h)
amdtemp1 at amdnb_misc1: AMD CPU Temperature Sensors (Family10h)
amdtemp2 at amdnb_misc2: AMD CPU Temperature Sensors (Family10h)
amdtemp3 at amdnb_misc3: AMD CPU Temperature Sensors (Family10h)
hdaudio0 at pci1 dev 0 function 1: HD Audio Controller
hdaudio0: interrupting at ioapic1 pin 1
hdafg at hdaudio0 not configured
hdafg0 at hdaudio0: ATI R6xx HDMI
hdafg0: HDMI00 2ch: Digital Out [Jack]
hdafg0: 2ch/0ch 48000Hz PCM16 AC3
hpet0 at acpi0: high precision event timer (mem 0xfed00000-0xfed00400)
timecounter: Timecounter "hpet0" frequency 14318180 Hz quality 2000
NMEM (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
UMEM (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
SIOR (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
OMSC (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
RMSC (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
PCIE (PNP0C02) [Motherboard Register Resources] at acpi0 not configured
RMEM (PNP0C01) [System Board] at acpi0 not configured
info: [drm] Setting GART location based on new memory map
info: [drm] Loading RV620 Microcode
info: [drm] Resetting GPU
info: [drm] writeback test succeeded in 1 usecs
radeondrm0: interrupting at ioapic1 pin 0
uhidev0 at uhub1 port 2 configuration 1 interface 0
uhidev0: Justcom Technology USB KVM Switch, rev 1.10/1.00, addr 3, iclass 3/1
ukbd0 at uhidev0
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub1 port 2 configuration 1 interface 1
uhidev1: Justcom Technology USB KVM Switch, rev 1.10/1.00, addr 3, iclass 3/1
ums0 at uhidev1: 5 buttons and Z dir
wsmouse0 at ums0 mux 0
wskbd1: disconnecting from wsdisplay0
wskbd1: detached
ukbd0: detached
uhidev0: detached
uhidev0: at uhub1 port 2 (addr 3) disconnected
wsmouse0: detached
ums0: detached
uhidev1: detached
uhidev1: at uhub1 port 2 (addr 3) disconnected
uhidev0 at uhub1 port 2 configuration 1 interface 0
uhidev0: Justcom Technology USB KVM Switch, rev 1.10/1.00, addr 3, iclass 3/1
ukbd0 at uhidev0
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev1 at uhub1 port 2 configuration 1 interface 1
uhidev1: Justcom Technology USB KVM Switch, rev 1.10/1.00, addr 3, iclass 3/1
ums0 at uhidev1: 5 buttons and Z dir
wsmouse0 at ums0 mux 0
umass0 at uhub4 port 2 configuration 1 interface 0
umass0: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 2 luns per target
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, LTE, 0001> disk removable
sd0: drive offline
sd0: unable to open device, error = 19
sd1 at scsibus0 target 0 lun 1: <SAMSUNG, LTE Card, 0001> disk removable
sd1: drive offline
sd1: unable to open device, error = 19
sd0: detached
sd1: detached
scsibus0: detached
umass0: detached
umass0: at uhub4 port 2 (addr 2) disconnected
umass0 at uhub4 port 2 configuration 1 interface 0
umass0: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 2 luns per target
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, LTE, 0001> disk removable
sd0: drive offline
sd0: unable to open device, error = 19
sd1 at scsibus0 target 0 lun 1: <SAMSUNG, LTE Card, 0001> disk removable
sd1: drive offline
sd1: unable to open device, error = 19
sd0: detached
sd1: detached
scsibus0: detached
umass0: detached
umass0: at uhub4 port 2 (addr 2) disconnected
umass0 at uhub4 port 2 configuration 1 interface 0
umass0: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 2 luns per target
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, LTE, 0001> disk removable
sd0: drive offline
sd0: unable to open device, error = 19
sd1 at scsibus0 target 0 lun 1: <SAMSUNG, LTE Card, 0001> disk removable
sd1: drive offline
sd1: unable to open device, error = 19
sd0: detached
sd1: detached
scsibus0: detached
umass0: detached
umass0: at uhub4 port 2 (addr 2) disconnected
ugen1 at uhub4 port 2
ugen1: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
usbd_set_config_index: illegal index
ugen1: setting configuration index 0 failed
ugen1: detached
ugen1: at uhub4 port 2 (addr 2) disconnected
umass0 at uhub4 port 2 configuration 1 interface 0
umass0: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 2 luns per target
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, LTE, 0001> disk removable
sd0: drive offline
sd0: unable to open device, error = 19
sd1 at scsibus0 target 0 lun 1: <SAMSUNG, LTE Card, 0001> disk removable
sd1: drive offline
sd1: unable to open device, error = 19
sd0: detached
sd1: detached
scsibus0: detached
umass0: detached
umass0: at uhub4 port 2 (addr 2) disconnected
umass0 at uhub4 port 2 configuration 1 interface 0
umass0: SAMSUNG SAMSUNG_Android, rev 2.00/4.00, addr 2
umass0: using SCSI over Bulk-Only
scsibus0 at umass0: 2 targets, 2 luns per target
sd0 at scsibus0 target 0 lun 0: <SAMSUNG, LTE, 0001> disk removable
sd0: drive offline
sd0: unable to open device, error = 19
sd1 at scsibus0 target 0 lun 1: <SAMSUNG, LTE Card, 0001> disk removable
sd1: drive offline
sd1: unable to open device, error = 19
sd0: detached
sd1: detached
scsibus0: detached
umass0: detached
umass0: at uhub4 port 2 (addr 2) disconnected

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- Re: What is interrupting at ioapic0 pin 9?
  - From: Jukka Ruohonen
- Re: What is interrupting at ioapic0 pin 9?
  - From: Joerg Sonnenberger

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