7.0-BETA1: interrupt storm -- do I have to worry?

I just installed 7.0-BETA1 for testing. I found this in dmesg:

interrupt storm detected on "irq10:"; throttling interrupt source

Do I have to worry about this? (Was not there in 6.2.)

Thanks,
Jan Henrik


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FreeBSD 7.0-BETA1 #0: Sat Oct 20 00:47:13 UTC 2007
     root_at_logan.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC
WARNING: WITNESS option enabled, expect reduced performance.
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) M processor 1400MHz (1394.34-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0x695  Stepping = 5
 
Features=0xa7e9f9bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,TM,PBE>
   Features2=0x180<EST,TM2>
real memory  = 2146893824 (2047 MB)
avail memory = 2091352064 (1994 MB)
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
acpi0: <ACER Cardinal> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of 100000, 7ff00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x1d> port 0x62,0x66 on acpi0
cpu0: <ACPI CPU> on acpi0
acpi_perf0: <ACPI CPU Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
agp0: <Intel 82855 host to AGP bridge> on hostb0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
vgapci0: <VGA-compatible display> port 0x3000-0x30ff mem 
0xd8000000-0xdfffffff,0xd0100000-0xd010ffff irq 10 at device 0.0 on pci1
uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0x1800-0x181f 
irq 10 at device 29.0 on pci0
uhci0: [GIANT-LOCKED]
uhci0: [ITHREAD]
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> on usb0
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0x1820-0x183f 
irq 5 at device 29.1 on pci0
uhci1: [GIANT-LOCKED]
uhci1: [ITHREAD]
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> on usb1
uhub1: 2 ports with 2 removable, self powered
uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0x1840-0x185f 
irq 10 at device 29.2 on pci0
uhci2: [GIANT-LOCKED]
uhci2: [ITHREAD]
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> on usb2
uhub2: 2 ports with 2 removable, self powered
ehci0: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> mem 
0xd0000000-0xd00003ff irq 10 at device 29.7 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb3: EHCI version 1.0
usb3: companion controllers, 2 ports each: usb0 usb1 usb2
usb3: <Intel 82801DB/L/M (ICH4) USB 2.0 controller> on ehci0
usb3: USB revision 2.0
uhub3: <Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb3
uhub3: 6 ports with 6 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci_link4: BIOS IRQ 10 for 2.4.INTA is invalid
pci2: <ACPI PCI bus> on pcib2
bfe0: <Broadcom BCM4401 Fast Ethernet> mem 0xd0204000-0xd0205fff irq 5 
at device 2.0 on pci2
miibus0: <MII bus> on bfe0
bmtphy0: <BCM4401 10/100baseTX PHY> PHY 1 on miibus0
bmtphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
bfe0: using obsoleted if_watchdog interface
bfe0: Ethernet address: 00:c0:9f:28:7f:1e
bfe0: [ITHREAD]
pci2: <network> at device 4.0 (no driver attached)
cbb0: <O2Micro OZ711M1 PCI-CardBus Bridge> mem 0xd0207000-0xd0207fff at 
device 6.0 on pci2
cardbus0: <CardBus bus> on cbb0
pccard0: <16-bit PCCard bus> on cbb0
cbb0: [ITHREAD]
cbb1: <O2Micro OZ711M1 PCI-CardBus Bridge> at device 6.1 on pci2
cardbus1: <CardBus bus> on cbb1
pccard1: <16-bit PCCard bus> on cbb1
cbb1: [ITHREAD]
pci2: <base peripheral> at device 6.2 (no driver attached)
fwohci0: <Texas Instruments TSB43AB21/A/AI/A-EP> mem 
0xd0209000-0xd02097ff,0xd0200000-0xd0203fff irq 10 at device 7.0 on pci2
fwohci0: [FILTER]
fwohci0: OHCI version 1.10 (ROM=1)
fwohci0: No. of Isochronous channels is 4.
fwohci0: EUI64 00:c0:9f:00:00:0c:ef:cd
fwohci0: Phy 1394a available S400, 1 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwe0: <Ethernet over FireWire> on firewire0
if_fwe0: Fake Ethernet address: 02:c0:9f:0c:ef:cd
fwe0: Ethernet address: 02:c0:9f:0c:ef:cd
fwip0: <IP over FireWire> on firewire0
fwip0: Firewire address: 00:c0:9f:00:00:0c:ef:cd _at_ 0xfffe00000000, S400, 
maxrec 2048
sbp0: <SBP-2/SCSI over FireWire> on firewire0
dcons_crom0: <dcons configuration ROM> on firewire0
dcons_crom0: bus_addr 0x13e8000
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc000ffc0, gen=1, CYCLEMASTER mode
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH4 UDMA100 controller> port 
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x1860-0x186f at device 31.1 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
pci0: <multimedia, audio> at device 31.5 (no driver attached)
pci0: <simple comms, generic modem> at device 31.6 (no driver attached)
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
battery1: <ACPI Control Method Battery> on acpi0
acpi_button0: <Sleep Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
atkbd0: [ITHREAD]
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: [GIANT-LOCKED]
psm0: [ITHREAD]
psm0: model Generic PS/2 mouse, device ID 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on 
acpi0
sio0: type 16550A
sio0: [FILTER]
sio1 port 0x2f8-0x2ff irq 3 drq 1 on acpi0
sio1: type 16550A
sio1: [FILTER]
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xcffff,0xd0000-0xd17ff pnpid 
ORM0000 on isa0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
ppi0: <Parallel I/O> on ppbus0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppc0: [GIANT-LOCKED]
ppc0: [ITHREAD]
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
ums0: <B16_b_02 USB-PS/2 Optical Mouse, class 0/0, rev 2.00/98.02, addr 
2> on uhub0
ums0: 8 buttons and Z dir.
Timecounter "TSC" frequency 1394343732 Hz quality 800
Timecounters tick every 1.000 msec
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
ad0: 95396MB <FUJITSU MHV2100AH 00000096> at ata0-master UDMA100
interrupt storm detected on "irq10:"; throttling interrupt source
GEOM_LABEL: Label for provider ad0 is msdosfs/SMART BTMGR.
acd0: CDRW <QSI CD-RW/DVD-ROM SBW-242/UX08> at ata1-master UDMA33
GEOM_LABEL: Label for provider ad0s1 is ntfs/WINDOWS_XP.
pccard1: <unknown card> (manufacturer=0xffff, product=0x0001, 
function_type=-1) at function 0
pccard1:    CIS info: O2Micro, SmartCardBus Reader, V1.0
GEOM_LABEL: Label for provider ad0s5 is msdosfs/XCHANGE.
GEOM_LABEL: Label for provider acd0 is iso9660/FreeBSD_Install.
WARNING: WITNESS option enabled, expect reduced performance.
Trying to mount root from ufs:/dev/ad0s2a
GEOM_LABEL: Label msdosfs/SMART BTMGR removed.