Re: [patch] Re: IRQ routing conflicts / Assigning IRQ 0 to ethernet

Luis Falcon (lfalcon@thymbra.com)
03 Apr 2002 17:24:08 -0300

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Hi Dominik.

Thanks for the patch !

The devices have been assigned the missing IRQs. The network card keeps
having some problems, but I believe is now a driver related issue.

This is what I get when activating the network card.I'm copying this
message to Donald Becker, the developer for the tulip driver.

Apr 3 12:28:47 inferno kernel: NETDEV WATCHDOG: eth0: transmit timed
out
Apr 3 12:28:47 inferno kernel: eth0: Transmit timed out, status
fc674055, CSR12 00000000, resetting...

I'm attaching the latest dmesg and lspci so you can take a look at it
and check for possible hot-spots.

Thanks again for your help.

Regards,
Luis

sues. Patch is against
> acpi-20020329 + 2.5.7/2.4.18. Please test + tell me if it works.
>
> Dominik
>
> --- linux/arch/i386/kernel/pci-irq.c.original Tue Apr 2 13:35:24 2002
> +++ linux/arch/i386/kernel/pci-irq.c Tue Apr 2 13:47:23 2002
> @@ -576,10 +576,8 @@
> struct pci_dev *dev2;
> char *msg = NULL;
>
> - if (!pirq_table)
> - return 0;
>
> - /* Find IRQ routing entry */
> + /* Find IRQ pin */
> pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
> if (!pin) {
> DBG(" -> no interrupt pin\n");
> @@ -588,10 +586,17 @@
> pin = pin - 1;
>
> #ifdef CONFIG_ACPI_PCI
> + /* Use ACPI to lookup IRQ */
> +
> if (pci_use_acpi_routing)
> return acpi_lookup_irq(dev, pin, assign);
> #endif
>
> + /* Find IRQ routing entry */
> +
> + if (!pirq_table)
> + return 0;
> +
> DBG("IRQ for %s:%d", dev->slot_name, pin);
> info = pirq_get_info(dev);
> if (!info) {
>
>
> On Tuesday, 2. April 2002 23:54, Luis Falcon wrote:
> > Bryan,
> >
> > Thanks a lot for your response.
> > In fact the IRQ routing conflict has been solved !
> >
> > What is still pending is the assignment of a valid IRQ to the Ethernet card
> > ( device 00:05.0 ) and Sound Card ( 00:07.5 ). So, at this point, the
> > ethernet card doesn't work.
> > does not work.
> >
> > Here's the latest dmesg.
> >
> > Regards,
> > Luis
> ----
>

> --- linux/arch/i386/kernel/pci-irq.c.original Tue Apr 2 13:35:24 2002
> +++ linux/arch/i386/kernel/pci-irq.c Tue Apr 2 13:47:23 2002
> @@ -576,10 +576,8 @@
> struct pci_dev *dev2;
> char *msg = NULL;
>
> - if (!pirq_table)
> - return 0;
>
> - /* Find IRQ routing entry */
> + /* Find IRQ pin */
> pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
> if (!pin) {
> DBG(" -> no interrupt pin\n");
> @@ -588,10 +586,17 @@
> pin = pin - 1;
>
> #ifdef CONFIG_ACPI_PCI
> + /* Use ACPI to lookup IRQ */
> +
> if (pci_use_acpi_routing)
> return acpi_lookup_irq(dev, pin, assign);
> #endif
>
> + /* Find IRQ routing entry */
> +
> + if (!pirq_table)
> + return 0;
> +
> DBG("IRQ for %s:%d", dev->slot_name, pin);
> info = pirq_get_info(dev);
> if (!info) {

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00:00.0 Host bridge: VIA Technologies, Inc. VT8605 [ProSavage PM133]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort+ >SERR- <PERR+
Latency: 0
Region 0: Memory at e8000000 (32-bit, prefetchable) [size=3D128M]
Capabilities: [a0] AGP version 2.0
Status: RQ=3D31 SBA+ 64bit- FW- Rate=3Dx1,x2
Command: RQ=3D0 SBA- AGP- 64bit- FW- Rate=3D<none>
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:01.0 PCI bridge: VIA Technologies, Inc. VT8605 [PM133 AGP] (prog-if 00 [=
Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort+ >SERR- <PERR-
Latency: 0
Bus: primary=3D00, secondary=3D01, subordinate=3D01, sec-latency=3D0
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: e0100000-e01fffff
Prefetchable memory behind bridge: f0000000-f7ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1+ D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:05.0 Ethernet controller: Accton Technology Corporation: Unknown device =
1216 (rev 11)
Subsystem: Accton Technology Corporation: Unknown device 2242
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 64 (63750ns min, 63750ns max)
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at 1c00 [size=3D256]
Region 1: Memory at 1f000000 (32-bit, non-prefetchable) [size=3D1K]
Expansion ROM at <unassigned> [disabled] [size=3D128K]
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D100mA PME(D0+,D1+,D2+,D3hot+,D3c=
old+)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:06.0 Communication controller: Lucent Microelectronics LT WinModem
Subsystem: Askey Computer Corp.: Unknown device 4005
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 10
Region 0: Memory at e0000000 (32-bit, non-prefetchable) [disabled] [size=
=3D256]
Region 1: I/O ports at 1030 [disabled] [size=3D8]
Region 2: I/O ports at 1400 [disabled] [size=3D256]
Capabilities: [f8] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=3D160mA PME(D0-,D1-,D2-,D3hot+,D3c=
old+)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (r=
ev 40)
Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA Bridge
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng+ SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 0
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) (prog=
-if 8a [Master SecP PriP])
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1890
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 64
Region 4: I/O ports at 1020 [size=3D16]
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 1a) (prog-if 0=
0 [UHCI])
Subsystem: Unknown device 0925:1234
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 64, cache line size 08
Interrupt: pin D routed to IRQ 5
Region 4: I/O ports at 1000 [size=3D32]
Capabilities: [80] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:07.4 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (re=
v 40)
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Interrupt: pin ? routed to IRQ 9
Capabilities: [68] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:07.5 Multimedia audio controller: VIA Technologies, Inc. AC97 Audio Cont=
roller (rev 50)
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1840
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Interrupt: pin C routed to IRQ 5
Region 0: I/O ports at 1800 [size=3D256]
Region 1: I/O ports at 103c [size=3D4]
Region 2: I/O ports at 1038 [size=3D4]
Capabilities: [c0] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

00:0c.0 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01)
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1860
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng+ SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dslow >TAbort- <TAbort- =
<MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin A routed to IRQ 10
Region 0: Memory at 1f001000 (32-bit, non-prefetchable) [size=3D4K]
Bus: primary=3D00, secondary=3D02, subordinate=3D05, sec-latency=3D176
Memory window 0: 1f400000-1f7ff000 (prefetchable)
Memory window 1: 1f800000-1fbff000
I/O window 0: 00004000-000040ff
I/O window 1: 00004400-000044ff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001

00:0c.1 CardBus bridge: O2 Micro, Inc. OZ6933 Cardbus Controller (rev 01)
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1860
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng+ SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=3Dslow >TAbort- <TAbort- =
<MAbort- >SERR- <PERR-
Latency: 168
Interrupt: pin B routed to IRQ 10
Region 0: Memory at 1f002000 (32-bit, non-prefetchable) [size=3D4K]
Bus: primary=3D00, secondary=3D06, subordinate=3D09, sec-latency=3D176
Memory window 0: 1fc00000-1ffff000 (prefetchable)
Memory window 1: 20000000-203ff000
I/O window 0: 00004800-000048ff
I/O window 1: 00004c00-00004cff
BridgeCtl: Parity- SERR- ISA- VGA- MAbort- >Reset- 16bInt+ PostWrite+
16-bit legacy interface ports at 0001

00:0d.0 FireWire (IEEE 1394): Lucent Microelectronics: Unknown device 5811 =
(rev 04) (prog-if 10 [OHCI])
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1881
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 96 (3000ns min, 6000ns max), cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at e0001000 (32-bit, non-prefetchable) [size=3D4K]
Capabilities: [44] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=3D0mA PME(D0+,D1+,D2+,D3hot+,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-

01:00.0 VGA compatible controller: S3 Inc.: Unknown device 8d01 (rev 02) (p=
rog-if 00 [VGA])
Subsystem: FIRST INTERNATIONAL Computer Inc: Unknown device 1830
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Steppi=
ng- SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=3Dmedium >TAbort- <TAbort=
- <MAbort- >SERR- <PERR-
Latency: 64 (1000ns min, 63750ns max), cache line size 08
Interrupt: pin A routed to IRQ 5
Region 0: Memory at e0100000 (32-bit, non-prefetchable) [size=3D512K]
Region 1: Memory at f0000000 (32-bit, prefetchable) [size=3D128M]
Expansion ROM at <unassigned> [disabled] [size=3D64K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=3D0mA PME(D0-,D1-,D2-,D3hot-,D3col=
d-)
Status: D0 PME-Enable- DSel=3D0 DScale=3D0 PME-
Capabilities: [80] AGP version 2.0
Status: RQ=3D31 SBA- 64bit- FW- Rate=3D<none>
Command: RQ=3D0 SBA- AGP- 64bit- FW- Rate=3D<none>

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