Re: balance interrupts

From: Julien Oster
Date: Mon Dec 08 2003 - 15:06:28 EST

Julien Oster <lkml-2315@xxxxxxxxxxxxxx> writes:

(quoting myself)

> Hmm. I got pciutils 2.1.11 (those claim to be the latest), but my
> lspci doesn't know "-l". I attached the output of lspci -vvv to this
> mail, however. Maybe it's of any use.
>
> I attached the output of acpidmp to this mail as well. It's a
> collection of hexdumps. Since I have no internal knowledge about ACPI
> or IO-APICs, I can't do anything with it...

Silly me, I forgot actually attaching the files to my mail. Here they
go.

00:00.0 Host bridge: nVidia Corporation nForce2 AGP (different version?) (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Region 0: Memory at e0000000 (32-bit, prefetchable) [size=64M]
Capabilities: [40] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW+ AGP3- Rate=x1,x2,x4
Command: RQ=1 ArqSz=0 Cal=0 SBA- AGP- GART64- 64bit- FW- Rate=x1
Capabilities: [60] #08 [2001]

00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

00:00.3 RAM memory: nVidia Corporation nForce2 Memory Controller 3 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

00:00.4 RAM memory: nVidia Corporation nForce2 Memory Controller 2 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

00:00.5 RAM memory: nVidia Corporation nForce2 Memory Controller 5 (rev c1)
Subsystem: Asustek Computer, Inc.: Unknown device 80ac
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-

00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4)
Subsystem: Asustek Computer, Inc. A7N8X Mainboard
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Capabilities: [48] #08 [01e1]

00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2)
Subsystem: Asustek Computer, Inc.: Unknown device 0c11
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 23
Region 0: I/O ports at e000 [size=32]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc. A7N8X Mainboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin A routed to IRQ 20
Region 0: Memory at ed084000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc. A7N8X Mainboard
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin B routed to IRQ 22
Region 0: Memory at ed082000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4) (prog-if 20 [EHCI])
Subsystem: Asustek Computer, Inc. A7N8X Mainboard
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Interrupt: pin C routed to IRQ 21
Region 0: Memory at ed083000 (32-bit, non-prefetchable) [size=256]
Capabilities: [44] #0a [2080]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:05.0 Multimedia audio controller: nVidia Corporation nForce MultiMedia audio [Via VT82C686B] (rev a2)
Subsystem: Asustek Computer, Inc.: Unknown device 0c11
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (250ns min, 3000ns max)
Interrupt: pin A routed to IRQ 22
Region 0: Memory at ed000000 (32-bit, non-prefetchable) [size=512K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio Controler (MCP) (rev a1)
Subsystem: Asustek Computer, Inc.: Unknown device 8095
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (500ns min, 1250ns max)
Interrupt: pin A routed to IRQ 21
Region 0: I/O ports at d000 [size=256]
Region 1: I/O ports at d400 [size=128]
Region 2: Memory at ed080000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=01, subordinate=02, sec-latency=32
I/O behind bridge: 0000a000-0000cfff
Memory behind bridge: e9000000-ecffffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-

00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2) (prog-if 8a [Master SecP PriP])
Subsystem: Asustek Computer, Inc.: Unknown device 0c11
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0 (750ns min, 250ns max)
Region 4: I/O ports at f000 [size=16]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=03, subordinate=03, sec-latency=32
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: e6000000-e8ffffff
Prefetchable memory behind bridge: e4000000-e5ffffff
BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-

01:08.0 PCI bridge: Digital Equipment Corporation DECchip 21152 (rev 03) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x08 (32 bytes)
Bus: primary=01, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000a000-0000afff
Memory behind bridge: e9000000-eaffffff
Prefetchable memory behind bridge: 00000000fff00000-0000000000000000
BridgeCtl: Parity- SERR+ NoISA- VGA- MAbort- >Reset- FastB2B-
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI- D1- D2- AuxCurrent=220mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Bridge: PM- B3+

01:0a.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev 04)
Subsystem: Creative Labs CT4850 SBLive! Value
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (500ns min, 5000ns max)
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at b000 [size=32]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:0a.1 Input device controller: Creative Labs SB Live! MIDI/Game Port (rev 01)
Subsystem: Creative Labs Gameport Joystick
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Region 0: I/O ports at b400 [size=8]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-

01:0b.0 RAID bus controller: CMD Technology Inc Silicon Image SiI 3112 SATARaid Controller (rev 02)
Subsystem: CMD Technology Inc: Unknown device 6112
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64, Cache Line Size: 0x01 (4 bytes)
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at b800 [size=8]
Region 1: I/O ports at bc00 [size=4]
Region 2: I/O ports at c000 [size=8]
Region 3: I/O ports at c400 [size=4]
Region 4: I/O ports at c800 [size=16]
Region 5: Memory at ec000000 (32-bit, non-prefetchable) [size=512]
Expansion ROM at <unassigned> [disabled] [size=512K]
Capabilities: [60] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-

02:04.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
Subsystem: Digital Equipment Corporation DE500B Fast Ethernet
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5000ns min, 10000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at a000 [size=128]
Region 1: Memory at ea000000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at <unassigned> [disabled] [size=256K]

02:05.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
Subsystem: Digital Equipment Corporation DE500B Fast Ethernet
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5000ns min, 10000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 19
Region 0: I/O ports at a400 [size=128]
Region 1: Memory at ea001000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at <unassigned> [disabled] [size=256K]

02:06.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
Subsystem: Digital Equipment Corporation DE500B Fast Ethernet
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5000ns min, 10000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at a800 [size=128]
Region 1: Memory at ea002000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at <unassigned> [disabled] [size=256K]

02:07.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
Subsystem: Digital Equipment Corporation DE500B Fast Ethernet
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (5000ns min, 10000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 17
Region 0: I/O ports at ac00 [size=128]
Region 1: Memory at ea003000 (32-bit, non-prefetchable) [size=1K]
Expansion ROM at <unassigned> [disabled] [size=256K]

03:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G550 AGP (rev 01) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc. Millennium G550 Dual Head DDR 32Mb
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (4000ns min, 8000ns max), Cache Line Size: 0x08 (32 bytes)
Interrupt: pin A routed to IRQ 19
Region 0: Memory at e4000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at e6000000 (32-bit, non-prefetchable) [size=16K]
Region 2: Memory at e7000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [f0] AGP version 2.0
Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit- FW- AGP3- Rate=x1,x2,x4
Command: RQ=32 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x1

Attachment: acpi.dump
Description: output of acpidmp