Interrupt storm

I just upgraded to 6.3-RELEASE, and after the obligatory reboot I have the following message:

interrupt storm detected on "irq12": throttling interrupt source

On my system, irq12 is rl0. After booting, this message just scrolls up the console, printing every couple of seconds.

I have tried the suggestions in http://docs.freebsd.org/cgi/getmsg.cgi?fetch=492427+0+/usr/local/www/db/text/2005/freebsd-current/20050320.freebsd-current, but when I do

set debug.acpi.quirks=4

the SCSI device scan no longer completes and I cannot boot.

Does this mean that the Realtek card has suddenly gone bad? It does not seem to have affected speed too much - the commands below were run via SSH, over that same rl0 interface. Unfortunately I just gave my spare NIC away yesterday, so I can't test (yes, I know, I jinxed myself).


Output from vmstat -i and dmesg follows:

interrupt total rate
irq0: clk 315202 997
irq1: atkbd0 116 0
irq3: sio1 1 0
irq4: sio0 1 0
irq5: xl0 815 2
irq6: fdc0 8 0
irq8: rtc 40344 127
irq10: adv0 117 0
irq11: ath0 ohci0 596 1
irq12: rl0 315617 998
irq14: ata0 2004 6
Total 674821 2135


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FreeBSD 6.3-RELEASE #0: Wed Jan 16 04:18:52 UTC 2008
root@xxxxxxxxxxxxxxxxxxxxxxx:/usr/obj/usr/src/sys/GENERIC
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: AMD Athlon(tm) Processor (598.84-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x621 Stepping = 1

Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR>
AMD Features=0xc0400800<SYSCALL,MMX+,3DNow!+,3DNow!>
real memory = 402587648 (383 MB)
avail memory = 380260352 (362 MB)
wlan: mac acl policy registered
kbd1 at kbdmux0
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
hptrr: HPT RocketRAID controller driver v1.1 (Jan 16 2008 04:16:19)
ACPI disabled by blacklist. Contact your BIOS vendor.
cpu0 on motherboard
pcib0: <AMD-751 host to PCI bridge> pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
agp0: <AMD 751 host to AGP bridge> port 0xd000-0xd003 mem 0xd8000000-0xdfffffff,0xea010000-0xea010fff at device 0.0 on pci0
pcib1: <PCI-PCI bridge> at device 1.0 on pci0
pci1: <PCI bus> on pcib1
pci1: <display, VGA> at device 5.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 7.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <AMD 756 UDMA66 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xf000-0xf00f at device 7.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pci0: <bridge> at device 7.3 (no driver attached)
ohci0: <AMD-756 USB Controller> mem 0xea013000-0xea013fff irq 11 at device 7.4 on pci0
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0, legacy support
usb0: <AMD-756 USB Controller> on ohci0
usb0: USB revision 1.0
uhub0: AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 4 ports with 4 removable, self powered
xl0: <3Com 3c905C-TX Fast Etherlink XL> port 0xd400-0xd47f mem 0xea014000-0xea01407f irq 5 at device 8.0 on pci0
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
xl0: Ethernet address: 00:50:da:2d:f4:61
rl0: <RealTek 8139 10/100BaseTX> port 0xd800-0xd8ff mem 0xea011000-0xea0110ff irq 12 at device 9.0 on pci0
miibus1: <MII bus> on rl0
rlphy0: <RealTek internal media interface> on miibus1
rlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
rl0: Ethernet address: 00:50:fc:e8:a1:7d
adv0: <AdvanSys ASC3030/50 SCSI controller> port 0xdc00-0xdcff mem 0xea012000-0xea0120ff irq 10 at device 10.0 on pci0
adv0: AdvanSys Ultra SCSI Host Adapter, SCSI ID 7, queue depth 240
adv0: [GIANT-LOCKED]
ath0: <Atheros 5212> mem 0xea000000-0xea00ffff irq 11 at device 11.0 on pci0
ath0: Ethernet address: 00:0f:b5:89:cf:44
ath0: mac 7.9 phy 4.5 radio 5.6
pci0: <old, VGA-compatible display device> at device 12.0 (no driver attached)
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xc87ff,0xc9000-0xccfff on isa0
atkbdc0: <Keyboard controller (i8042)> at port 0x60,0x64 on isa0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
fdc0: <Enhanced floppy controller> at port 0x3f0-0x3f5,0x3f7 irq 6 drq 2 on isa0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Parallel port> at port 0x378-0x37f irq 7 on isa0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
ppbus0: IEEE1284 device found /NIBBLE
Probing for PnP devices on ppbus0:
ppbus0: <Canon BJC-4300/1.05> PRINTER BJ,LQ,BJL,BJRaster,BSCC
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0200> can't assign resources (port)
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0c01> can't assign resources (memory)
unknown: <PNP0501> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
unknown: <PNP0400> can't assign resources (port)
unknown: <PNP0501> can't assign resources (port)
Timecounter "TSC" frequency 598841459 Hz quality 800
Timecounters tick every 1.000 msec
hptrr: no controller detected.
interrupt storm detected on "irq12:"; throttling interrupt source
ad0: 8063MB <QUANTUM FIREBALL CR8.4A A5U.0200> at ata0-master UDMA66
ad1: 39205MB <Maxtor 6E040L0 NAR61590> at ata0-slave UDMA66
Waiting 5 seconds for SCSI devices to settle
interrupt storm detected on "irq12:"; throttling interrupt source
interrupt storm detected on "irq12:"; throttling interrupt source
interrupt storm detected on "irq12:"; throttling interrupt source
interrupt storm detected on "irq12:"; throttling interrupt source
interrupt storm detected on "irq12:"; throttling interrupt source
interrupt storm detected on "irq12:"; throttling interrupt source
sa0 at adv0 bus 0 target 0 lun 0
sa0: <HP C1537A L105> Removable Sequential Access SCSI-2 device
sa0: 10.000MB/s transfers (10.000MHz, offset 15)
cd0 at adv0 bus 0 target 3 lun 0
cd0: <TEAC CD-R58S 1.0M> Removable CD-ROM SCSI-2 device
cd0: 10.000MB/s transfers (10.000MHz, offset 15)
cd0: Attempt to query device size failed: NOT READY, Medium not present
da0 at adv0 bus 0 target 4 lun 0
da0: <IBM DPSS-318350N S96H> Fixed Direct Access SCSI-3 device
da0: 20.000MB/s transfers (20.000MHz, offset 15)
da0: 17501MB (35843670 512 byte sectors: 255H 63S/T 2231C)
Trying to mount root from ufs:/dev/ad0s1a
interrupt storm detected on "irq12:"; throttling interrupt source

The interrupt storm message repeates from here.

Thanks for any suggestions!

.

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