Date: Wed, 25 Jun 2008 11:43:25 -0700 From: "Crist J. Clark" <cristclark@comcast.net> To: questions@freebsd.org Subject: interrupt storm detected Message-ID: <20080625184325.GA64148@goku.pumpky.net>
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I'm getting,
interrupt storm detected on "irq10:"; throttling interrupt source
interrupt storm detected on "irq10:"; throttling interrupt source
interrupt storm detected on "irq10:"; throttling interrupt source
Slowly filling up my console. I've seen previous threads
about this from Googling, but no resolution or discussion of
whether it is performance impacting or just an annoyance.
So, is there a resolution? If not, is it going to impact
performance or is it just an annoyance?
I'm getting these on a Soekris net5501. IRQ 10 is owned by
a ath(4) NIC,
ath0: <Atheros 5212> mem 0xa0010000-0xa001ffff irq 10 at device 14.0 on pci0
ath0: [ITHREAD]
ath0: using obsoleted if_watchdog interface
ath0: Ethernet address: 00:1d:6a:36:49:ca
ath0: mac 7.9 phy 4.5 radio 5.6
The OS is,
uname -a
FreeBSD net5501.pumpky.net 7.0-STABLE FreeBSD 7.0-STABLE #3: Tue Jun 24 12:48:46 PDT 2008 cjc@net5501-dev:/home/cjc/obj/usr/src/sys/NET5501 i386
Here's the dmesg.boot (note the message about glxsb0 using IRQ 10 is
bogus; I get the interrupt storm messages when that device is not
built into the kernel),
Copyright (c) 1992-2008 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 7.0-STABLE #3: Tue Jun 24 12:48:46 PDT 2008
cjc@net5501-dev:/home/cjc/obj/usr/src/sys/NET5501
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Geode(TM) Integrated Processor by AMD PCS (499.90-MHz 586-class CPU)
Origin = "AuthenticAMD" Id = 0x5a2 Stepping = 2
Features=0x88a93d<FPU,DE,PSE,TSC,MSR,CX8,SEP,PGE,CMOV,CLFLUSH,MMX>
AMD Features=0xc0400000<MMX+,3DNow!+,3DNow!>
real memory = 536870912 (512 MB)
avail memory = 515977216 (492 MB)
K6-family MTRR support enabled (2 registers)
ath_hal: 0.9.20.3 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, RF5413)
cryptosoft0: <software crypto> on motherboard
cpu0 on motherboard
pcib0: <Host to PCI bridge> pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
Geode LX: Soekris net5501 comBIOS ver. 1.33b 20080501 Copyright (C) 2000-2008
MFGPT bar: f00100006200
glxsb0: <AMD Geode LX Security Block (AES-128-CBC,RNG)> mem 0xa0000000-0xa0003fff irq 10 at device 1.2 on pci0
glxsb0: [ITHREAD]
vr0: <VIA VT6105M Rhine III 10/100BaseTX> port 0xe100-0xe1ff mem 0xa0004000-0xa00040ff irq 11 at device 6.0 on pci0
vr0: Quirks: 0x6
vr0: Revision: 0x96
miibus0: <MII bus> on vr0
ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus0
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vr0: Ethernet address: 00:00:24:ca:91:b4
vr0: [ITHREAD]
vr1: <VIA VT6105M Rhine III 10/100BaseTX> port 0xe200-0xe2ff mem 0xa0004100-0xa00041ff irq 5 at device 7.0 on pci0
vr1: Quirks: 0x6
vr1: Revision: 0x96
miibus1: <MII bus> on vr1
ukphy1: <Generic IEEE 802.3u media interface> PHY 1 on miibus1
ukphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vr1: Ethernet address: 00:00:24:ca:91:b5
vr1: [ITHREAD]
vr2: <VIA VT6105M Rhine III 10/100BaseTX> port 0xe300-0xe3ff mem 0xa0004200-0xa00042ff irq 9 at device 8.0 on pci0
vr2: Quirks: 0x6
vr2: Revision: 0x96
miibus2: <MII bus> on vr2
ukphy2: <Generic IEEE 802.3u media interface> PHY 1 on miibus2
ukphy2: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vr2: Ethernet address: 00:00:24:ca:91:b6
vr2: [ITHREAD]
vr3: <VIA VT6105M Rhine III 10/100BaseTX> port 0xe400-0xe4ff mem 0xa0004300-0xa00043ff irq 12 at device 9.0 on pci0
vr3: Quirks: 0x6
vr3: Revision: 0x96
miibus3: <MII bus> on vr3
ukphy3: <Generic IEEE 802.3u media interface> PHY 1 on miibus3
ukphy3: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
vr3: Ethernet address: 00:00:24:ca:91:b7
vr3: [ITHREAD]
ath0: <Atheros 5212> mem 0xa0010000-0xa001ffff irq 10 at device 14.0 on pci0
ath0: [ITHREAD]
ath0: using obsoleted if_watchdog interface
ath0: Ethernet address: 00:1d:6a:36:49:ca
ath0: mac 7.9 phy 4.5 radio 5.6
isab0: <PCI-ISA bridge> at device 20.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <AMD CS5536 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xe000-0xe00f at device 20.2 on pci0
ata0: <ATA channel 0> on atapci0
ata0: [ITHREAD]
ata1: <ATA channel 1> on atapci0
ata1: [ITHREAD]
ohci0: <OHCI (generic) USB controller> mem 0xa0020000-0xa0020fff irq 15 at device 21.0 on pci0
ohci0: [GIANT-LOCKED]
ohci0: [ITHREAD]
usb0: OHCI version 1.0, legacy support
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision 1.0
uhub0: <AMD OHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
uhub0: 4 ports with 4 removable, self powered
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xa0021000-0xa0021fff irq 15 at device 21.1 on pci0
ehci0: [GIANT-LOCKED]
ehci0: [ITHREAD]
usb1: EHCI version 1.0
usb1: companion controller, 4 ports each: usb0
usb1: <EHCI (generic) USB 2.0 controller> on ehci0
usb1: USB revision 2.0
uhub1: <AMD EHCI root hub, class 9/0, rev 2.00/1.00, addr 1> on usb1
uhub1: 4 ports with 4 removable, self powered
orm0: <ISA Option ROM> at iomem 0xc8000-0xd27ff pnpid ORM0000 on isa0
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 16550A, console
sio0: [FILTER]
sio1 at port 0x2f8-0x2ff irq 3 on isa0
sio1: type 16550A
sio1: [FILTER]
Timecounter "TSC" frequency 499904191 Hz quality 800
Timecounters tick every 1.000 msec
IP Filter: v4.1.28 initialized. Default = pass all, Logging = enabled
ad0: 3847MB <CF CARD 4GB 20071116> at ata0-master WDMA2
GEOM_LABEL: Label for provider ad0s1 is msdosfs/KINGSTON.
Trying to mount root from nfs:goku:/home/net5501
NFS ROOT: 192.168.64.70:/home/net5501
--
Crist J. Clark | cjclark@alum.mit.edu
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