Date: Wed, 22 Feb 2006 16:04:59 -0800 From: "Gustavo A. Baratto" <gbaratto@superb.net> To: <freebsd-hardware@freebsd.org> Subject: interrupts for ATA and BGE Message-ID: <016e01c6380c$c98b7240$6500a8c0@garrincha>
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Two of our servers have an onboard broadcom NIC, and I noticed that in both
of them, the number of interrupts for the ata device is always the same as
the onboard bge device. I don't really understand what an ATA driver has to
do with the bge0, and worse, do these numbers below mean that there are two
interrupts going on where it should be just one?
Thanks for any input...
# vmstat -i
interrupt total rate
irq1: atkbd0 38 0
irq6: fdc0 12 0
irq13: npx0 1 0
irq14: ata0 58 0
irq15: ata1 192549752 165
irq16: ahc0 1795054 1
irq17: ahc1 15 0
irq30: fxp0 545717199 468
irq31: bge0 192987168 165
cpu0: timer 2330016902 1999
Total 3263066199 2800
# Interrupt output from "systat -vmstat". The numbers for ata on icq 15 and
bge on irq31, are always the same here:
2648 total
1: atkb
6: fdc0
13: npx
14: ata
212 15: ata
16: ahc
17: ahc
222 30: fxp
212 31: bge
2002 cpu0: time
#dmesg:
Copyright (c) 1992-2005 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 6.0-RELEASE #0: Thu Nov 3 09:36:13 UTC 2005
root@x64.samsco.home:/usr/obj/usr/src/sys/GENERIC
MPTable: <AMI GCHE >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 2.40GHz (2399.93-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf29 Stepping = 9
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Features2=0x4400<CNTX-ID,<b14>>
Hyperthreading: 2 logical CPUs
real memory = 2147483648 (2048 MB)
avail memory = 2096689152 (1999 MB)
ioapic0: Assuming intbase of 0
ioapic1: Assuming intbase of 16
ioapic2: Assuming intbase of 32
ioapic3: Assuming intbase of 48
ioapic0 <Version 1.1> irqs 0-15 on motherboard
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic2 <Version 1.1> irqs 32-47 on motherboard
ioapic3 <Version 1.1> irqs 48-63 on motherboard
npx0: [FAST]
npx0: <math processor> on motherboard
npx0: INT 16 interface
cpu0 on motherboard
pcib0: <MPTable Host-PCI bridge> pcibus 0 on motherboard
pci0: <PCI bus> on pcib0
pci0: <display, VGA> at device 2.0 (no driver attached)
fxp0: <Intel 82550 Pro/100 Ethernet> port 0x9f00-0x9f3f mem
0xfe6fe000-0xfe6fefff,0xfe6a0000-0xfe6bffff irq 30 at device 4.0 on pci0
miibus0: <MII bus> on fxp0
inphy0: <i82555 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
fxp0: Ethernet address: 00:30:48:52:98:44
isab0: <PCI-ISA bridge> at device 15.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <ServerWorks CSB5 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 15.1 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
pcib1: <MPTable Host-PCI bridge> pcibus 1 on motherboard
pci1: <PCI bus> on pcib1
asr0: <Adaptec Caching SCSI RAID> mem 0xfa000000-0xfbffffff irq 26 at device
2.0 on pci1
asr0: [GIANT-LOCKED]
asr0: ADAPTEC 2110S FW Rev. 380E, 1 channel, 256 CCBs, Protocol I2O
pcib2: <PCI-PCI bridge> at device 2.1 on pci1
pci2: <PCI bus> on pcib2
bge0: <Broadcom BCM5701 Gigabit Ethernet, ASIC rev. 0x105> mem
0xfe8e0000-0xfe8effff irq 31 at device 3.0 on pci1
miibus1: <MII bus> on bge0
brgphy0: <BCM5701 10/100/1000baseTX PHY> on miibus1
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bge0: Ethernet address: 00:30:48:52:98:45
pcib3: <ServerWorks host to PCI bridge(unknown chipset)> pcibus 3 on
motherboard
pir0: <PCI Interrupt Routing Table: 11 Entries> on motherboard
$PIR: Ignoring invalid BIOS IRQ 29 from 0.2.INTA for link 0x1d
$PIR: Ignoring invalid BIOS IRQ 30 from 0.4.INTA for link 0x1e
$PIR: Ignoring invalid BIOS IRQ 26 from 1.2.INTA for link 0x1a
$PIR: Ignoring invalid BIOS IRQ 31 from 1.3.INTA for link 0x1f
pci3: <PCI bus> on pcib3
pcib4: <ServerWorks host to PCI bridge(unknown chipset)> pcibus 4 on
motherboard
pci4: <PCI bus> on pcib4
pcib5: <MPTable Host-PCI bridge> pcibus 5 on motherboard
pci5: <PCI bus> on pcib5
ahc0: <Adaptec aic7899 Ultra160 SCSI adapter> port 0xe400-0xe4ff mem
0xfebfe000-0xfebfefff irq 16 at device 3.0 on pci5
ahc0: [GIANT-LOCKED]
aic7899: Ultra160 Wide Channel A, SCSI Id=7, 32/253 SCBs
ahc1: <Adaptec aic7899 Ultra160 SCSI adapter> port 0xe800-0xe8ff mem
0xfebff000-0xfebfffff irq 17 at device 3.1 on pci5
ahc1: [GIANT-LOCKED]
aic7899: Ultra160 Wide Channel B, SCSI Id=7, 32/253 SCBs
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem
0xc0000-0xc7fff,0xc8000-0xc8fff,0xc9000-0xca7ff,0xca800-0xd07ff 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 not found.
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
sio0: type 8250 or not responding
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
unknown: <PNP0303> can't assign resources (port)
unknown: <PNP0700> can't assign resources (port)
Timecounter "TSC" frequency 2399927312 Hz quality 800
Timecounters tick every 1.000 msec
acd0: CDROM <LTN526S/YS0J> at ata0-master UDMA33
Waiting 5 seconds for SCSI devices to settle
da0 at asr0 bus 0 target 0 lun 0
da0: <ADAPTEC RAID-0 380E> Fixed Direct Access SCSI-2 device
da0: Tagged Queueing Enabled
da0: 105010MB (215060480 512 byte sectors: 255H 63S/T 13386C)
Trying to mount root from ufs:/dev/da0s1a
WARNING: / was not properly dismounted
WARNING: /tmp was not properly dismounted
WARNING: /var was not properly dismounted
bge0: link state changed to UP
bge0: watchdog timeout -- resetting
bge0: link state changed to DOWN
bge0: link state changed to UP
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