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SubjectRe: Who sees "IRQ routing conflict" in dmesg?
From
Date
I have had no replies to my previous message.
Now, I am seeing a new problem in 2.4.15-pre2.
pci=biosirq is failing altogether.

Here are my lilo entry parameters:
/boot/vmlinuz console=ttyS2,38400 console=tty0 hdc=ide-scsi hdd=ide-scsi
pci=biosirq

The attempt to fetch the BIOS IRQ information fails with the
following error:

PCI: PCI BIOS revision 2.10 entry at 0xfdad1, last bus=1
PCI: Using configuration type 1
PCI: Probing PCI hardware
PCI: Error 89 when fetching IRQ routing table.

As you can see below, I wasn't encountering this problem with
2.4.14.

Miles

On Thu, 2001-11-08 at 22:49, Miles Lane wrote:
>
> I am seeing IRQ routing conflict messages in my
> messages log file. So far, my devices are working
> okay. I haven't tested them all, yet, though.
>
> This is information from testing 2.4.14.
>
> Here's the debug info given after enabling
> DEBUG=1 in pci-i386.h:
>
> PCI: BIOS32 Service Directory structure at 0xc00fdaa0
> PCI: BIOS32 Service Directory entry at 0xfdab0
> PCI: BIOS probe returned s=00 hw=01 ver=02.10 l=01
> PCI: PCI BIOS revision 2.10 entry at 0xfdad1, last bus=1
> PCI: Using configuration type 1
> PCI: Probing PCI hardware
> PCI: IDE base address fixup for 00:07.1
> PCI: Scanning for ghost devices on bus 0
> PCI: Scanning for ghost devices on bus 1
> PCI: IRQ init
> PCI: Fetching IRQ routing table... OK ret=14, size=128, map=0
> PCI: Using BIOS Interrupt Routing Table
> 00:00 slot=00 0:00/def8 1:00/def8 2:00/def8 3:00/def8
> 01:05 slot=06 0:56/def8 1:d6/def8 2:00/0000 3:00/0000
> 00:07 slot=00 0:fe/4000 1:ff/8000 2:00/0000 3:d7/def8
> 00:11 slot=01 0:56/def8 1:d6/def8 2:57/def8 3:d7/def8
> 00:12 slot=02 0:d6/def8 1:57/def8 2:d7/def8 3:56/def8
> 00:13 slot=03 0:57/def8 1:d7/def8 2:56/def8 3:d6/def8
> 00:14 slot=04 0:d6/def8 1:57/def8 2:d7/def8 3:56/def8
> 00:0f slot=05 0:56/def8 1:d6/def8 2:57/def8 3:d7/def8
> PCI: Using BIOS for IRQ routing
> PCI: IRQ fixup
> IRQ for 00:14.0:0 -> PIRQ d6, mask def8, excl 0000 -> newirq=0 ...
> failed
> IRQ for 00:14.1:1 -> PIRQ 57, mask def8, excl 0000 -> newirq=0 ...
> failed
> PCI: Allocating resources
> PCI: Resource f8000000-fbffffff (f=1208, d=0, p=0)
> PCI: Resource fc9ff000-fc9fffff (f=1208, d=0, p=0)
> PCI: Resource 0000cb00-0000cb0f (f=101, d=0, p=0)
> PCI: Resource febfe000-febfefff (f=200, d=0, p=0)
> PCI: Resource 0000f800-0000f8ff (f=101, d=0, p=0)
> PCI: Resource febff000-febfffff (f=200, d=0, p=0)
> PCI: Resource febfb000-febfbfff (f=200, d=0, p=0)
> PCI: Resource febfc000-febfcfff (f=200, d=0, p=0)
> PCI: Resource febfdf00-febfdfff (f=200, d=0, p=0)
> PCI: Resource 0000ff80-0000ff9f (f=101, d=0, p=0)
> PCI: Resource 0000fff0-0000fff7 (f=101, d=0, p=0)
> PCI: Resource 0000fc00-0000fc7f (f=101, d=0, p=0)
> PCI: Resource febfde80-febfdeff (f=200, d=0, p=0)
> PCI: Resource fd000000-fdffffff (f=200, d=0, p=0)
> PCI: Resource e8000000-efffffff (f=1208, d=0, p=0)
> PCI: Resource 0000ffe4-0000ffe7 (f=105, d=1, p=1)
> PCI: Sorting device list...
>
>
> cat /proc/interrupts
> CPU0
> 0: 1287229 XT-PIC timer
> 1: 7420 XT-PIC keyboard
> 2: 0 XT-PIC cascade
> 4: 2968 XT-PIC serial
> 5: 340237 XT-PIC Ricoh Co Ltd RL5c478, usb-ohci,
> EMU10K1, ohci1394
> 9: 25372 XT-PIC acpi, eth0
> 10: 116280 XT-PIC Ricoh Co Ltd RL5c478 (#2), usb-ohci
> 11: 14 XT-PIC usb-ohci
> 12: 22 XT-PIC PS/2 Mouse
> 14: 188012 XT-PIC ide0
> 15: 47 XT-PIC ide1
>
>
> Here's IRQ related info from dmesg:
>
> Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ
> SERIAL_PCI enabled
> IRQ for 00:14.1:1 -> PIRQ 57, mask def8, excl 0000 -> newirq=10 ->
> assigning IRQ 10 ... OK
> PCI: Assigned IRQ 10 for device 00:14.1
> IRQ routing conflict for 00:11.2, have irq 9, want irq 10
> IRQ routing conflict for 00:13.0, have irq 9, want irq 10
> IRQ for 00:14.0:0 -> PIRQ d6, mask def8, excl 0000 -> newirq=5 ->
> assigning IRQ 5 ... OK
> PCI: Assigned IRQ 5 for device 00:14.0
> PCI: Sharing IRQ 5 with 00:11.1
> PCI: Sharing IRQ 5 with 00:12.0
> Yenta IRQ list 0000, PCI irq10
> Yenta IRQ list 0000, PCI irq5
> IRQ for 02:00.0:0 -> not found in routing table
> IRQ for 00:07.4:3 -> PIRQ d7, mask def8, excl 0000 -> newirq=10 ->
> assigning IRQ 10 ... OK
> PCI: Assigned IRQ 10 for device 00:07.4
> usb-ohci.c: USB OHCI at membase 0xd2868000, IRQ 10
> IRQ for 00:11.1:1 -> PIRQ d6, mask def8, excl 0000 -> newirq=5 ->
> assigning IRQ 5 ... OK
> PCI: Assigned IRQ 5 for device 00:11.1
> PCI: Sharing IRQ 5 with 00:12.0
> PCI: Sharing IRQ 5 with 00:14.0
> usb-ohci.c: USB OHCI at membase 0xd286a000, IRQ 5
> IRQ for 00:11.0:0 -> PIRQ 56, mask def8, excl 0000 -> newirq=11 ->
> assigning IRQ 11 ... OK
> PCI: Assigned IRQ 11 for device 00:11.0
> PCI: Sharing IRQ 11 with 00:0f.0
> PCI: Sharing IRQ 11 with 01:05.0
> usb-ohci.c: USB OHCI at membase 0xd286c000, IRQ 11
> IRQ for 00:0f.0:0 -> PIRQ 56, mask def8, excl 0000 -> newirq=11 ->
> assigning IRQ 11 ... OK
> PCI: Assigned IRQ 11 for device 00:0f.0
> PCI: Sharing IRQ 11 with 00:11.0
> PCI: Sharing IRQ 11 with 01:05.0
> IRQ for 00:0f.0:0 -> PIRQ 56, mask def8, excl 0000 -> newirq=11 ->
> assigning IRQ 11 ... OK
> PCI: Assigned IRQ 11 for device 00:0f.0
> PCI: Sharing IRQ 11 with 00:11.0
> PCI: Sharing IRQ 11 with 01:05.0
> IRQ for 00:13.0:0 -> PIRQ 57, mask def8, excl 0000 -> newirq=9 ->
> assigning IRQ 9 ... OK
> PCI: Assigned IRQ 9 for device 00:13.0
> PCI: Sharing IRQ 9 with 00:11.2
> IRQ routing conflict for 00:14.1, have irq 10, want irq 9
> IRQ for 00:12.0:0 -> PIRQ d6, mask def8, excl 0000 -> newirq=5 ->
> assigning IRQ 5 ... OK
> PCI: Assigned IRQ 5 for device 00:12.0
> PCI: Sharing IRQ 5 with 00:11.1
> PCI: Sharing IRQ 5 with 00:14.0
> emu10k1: EMU10K1 rev 7 model 0x8031 found, IO at 0xff80-0xff9f, IRQ 5
> IRQ for 02:00.0:0 -> not found in routing table
> ohci1394_0: OHCI-1394 1.0 (PCI): IRQ=[5] MMIO=[11000000-11001000] Max
> Packet=[1024]
> ohci1394_0: irq_handler: Bus reset requested
>
>
> lspci -vx:
>
> 00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate]
> System Controller (rev 25)
> Flags: bus master, medium devsel, latency 64
> Memory at f8000000 (32-bit, prefetchable) [size=64M]
> Memory at fc9ff000 (32-bit, prefetchable) [size=4K]
> I/O ports at ffe4 [disabled] [size=4]
> Capabilities: [a0] AGP version 1.0
> 00: 22 10 06 70 06 01 10 22 25 00 00 06 00 40 80 00
> 10: 08 00 00 f8 08 f0 9f fc e5 ff 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 a0 00 00 00 00 00 00 00 00 00 00 00
>
> 00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP
> Bridge (rev 01) (prog-if 00 [Normal decode])
> Flags: bus master, 66Mhz, medium devsel, latency 64
> Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
> I/O behind bridge: 0000e000-0000efff
> Memory behind bridge: fca00000-feafffff
> Prefetchable memory behind bridge: e4800000-f48fffff
> 00: 22 10 07 70 07 01 20 02 01 00 04 06 00 40 81 00
> 10: 00 00 00 00 00 00 00 00 00 01 01 40 e1 e1 20 22
> 20: a0 fc a0 fe 80 e4 80 f4 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0a 00
>
> 00:07.0 ISA bridge: Advanced Micro Devices [AMD] AMD-756 [Viper] ISA
> (rev 01)
> Flags: bus master, medium devsel, latency 0
> 00: 22 10 08 74 0f 00 00 02 01 00 01 06 00 00 80 00
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 00:07.1 IDE interface: Advanced Micro Devices [AMD] AMD-756 [Viper] IDE
> (rev 03) (prog-if 8a [Master SecP PriP])
> Flags: bus master, medium devsel, latency 64
> I/O ports at cb00 [size=16]
> 00: 22 10 09 74 05 00 00 02 03 8a 01 01 00 40 00 00
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 01 cb 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 00:07.3 Bridge: Advanced Micro Devices [AMD] AMD-756 [Viper] ACPI (rev
> 03)
> Flags: medium devsel
> 00: 22 10 0b 74 00 00 80 02 03 00 80 06 00 16 00 00
> 10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 00:07.4 USB Controller: Advanced Micro Devices [AMD] AMD-756 [Viper] USB
> (rev 06) (prog-if 10 [OHCI])
> Flags: bus master, medium devsel, latency 16, IRQ 10
> Memory at febfe000 (32-bit, non-prefetchable) [size=4K]
> 00: 22 10 0c 74 07 00 80 02 06 10 03 0c 08 10 00 00
> 10: 00 e0 bf fe 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 30: 00 00 00 00 00 00 00 00 00 00 00 00 0a 04 00 50
>
> 00:0f.0 SCSI storage controller: Adaptec AHA-2930CU (rev 03)
> Subsystem: Adaptec: Unknown device 3869
> Flags: bus master, medium devsel, latency 64, IRQ 11
> I/O ports at f800 [disabled] [size=256]
> Memory at febff000 (32-bit, non-prefetchable) [size=4K]
> Expansion ROM at febe0000 [disabled] [size=64K]
> Capabilities: [dc] Power Management version 1
> 00: 04 90 60 38 16 01 90 02 03 00 00 01 08 40 00 00
> 10: 01 f8 00 00 00 f0 bf fe 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 04 90 69 38
> 30: 00 00 be fe dc 00 00 00 00 00 00 00 0b 01 04 04
>
> 00:11.0 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
> Subsystem: NEC Corporation USB
> Flags: bus master, medium devsel, latency 40, IRQ 11
> Memory at febfb000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [40] Power Management version 2
> 00: 33 10 35 00 16 01 10 02 41 10 03 0c 08 28 80 00
> 10: 00 b0 bf fe 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 33 10 35 00
> 30: 00 00 00 00 40 00 00 00 00 00 00 00 0b 01 01 2a
>
> 00:11.1 USB Controller: NEC Corporation USB (rev 41) (prog-if 10 [OHCI])
> Subsystem: NEC Corporation USB
> Flags: bus master, medium devsel, latency 40, IRQ 5
> Memory at febfc000 (32-bit, non-prefetchable) [size=4K]
> Capabilities: [40] Power Management version 2
> 00: 33 10 35 00 16 01 10 02 41 10 03 0c 08 28 00 00
> 10: 00 c0 bf fe 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 33 10 35 00
> 30: 00 00 00 00 40 00 00 00 00 00 00 00 05 02 01 2a
>
> 00:11.2 USB Controller: NEC Corporation: Unknown device 00e0 (rev 01)
> (prog-if 20)
> Subsystem: NEC Corporation: Unknown device 00e0
> Flags: bus master, medium devsel, latency 64, IRQ 9
> Memory at febfdf00 (32-bit, non-prefetchable) [size=256]
> Capabilities: [40] Power Management version 2
> 00: 33 10 e0 00 16 01 10 02 01 20 03 0c 08 40 00 00
> 10: 00 df bf fe 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 33 10 e0 00
> 30: 00 00 00 00 40 00 00 00 00 00 00 00 09 03 10 22
>
> 00:12.0 Multimedia audio controller: Creative Labs SB Live! EMU10000
> (rev 07)
> Subsystem: Creative Labs CT4831 SBLive! Value
> Flags: bus master, medium devsel, latency 64, IRQ 5
> I/O ports at ff80 [size=32]
> Capabilities: [dc] Power Management version 1
> 00: 02 11 02 00 05 01 90 02 07 00 01 04 00 40 80 00
> 10: 81 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 02 11 31 80
> 30: 00 00 00 00 dc 00 00 00 00 00 00 00 05 01 02 14
>
> 00:12.1 Input device controller: Creative Labs SB Live! (rev 07)
> Subsystem: Creative Labs Gameport Joystick
> Flags: bus master, medium devsel, latency 64
> I/O ports at fff0 [size=8]
> Capabilities: [dc] Power Management version 1
> 00: 02 11 02 70 05 01 90 02 07 00 80 09 00 40 80 00
> 10: f1 ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 02 11 20 00
> 30: 00 00 00 00 dc 00 00 00 00 00 00 00 00 00 00 00
>
> 00:13.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink]
> (rev 78)
> Subsystem: 3Com Corporation 3C905C-TX Fast Etherlink for PC Management
> NIC
> Flags: bus master, medium devsel, latency 64, IRQ 9
> I/O ports at fc00 [size=128]
> Memory at febfde80 (32-bit, non-prefetchable) [size=128]
> Expansion ROM at febc0000 [disabled] [size=128K]
> Capabilities: [dc] Power Management version 2
> 00: b7 10 00 92 17 01 10 02 78 00 00 02 08 40 00 00
> 10: 01 fc 00 00 80 de bf fe 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 00 10
> 30: 00 00 bc fe dc 00 00 00 00 00 00 00 09 01 0a 0a
>
> 00:14.0 CardBus bridge: Ricoh Co Ltd RL5c478 (rev 03)
> Flags: bus master, medium devsel, latency 168, IRQ 5
> Memory at 10000000 (32-bit, non-prefetchable) [size=4K]
> Bus: primary=00, secondary=02, subordinate=05, sec-latency=176
> Memory window 0: 10c00000-10fff000 (prefetchable)
> Memory window 1: 11000000-113ff000
> I/O window 0: 00004800-000048ff
> I/O window 1: 00004c00-00004cff
> 16-bit legacy interface ports at 0001
> 00: 80 11 78 04 07 00 10 02 03 00 07 06 00 a8 82 00
> 10: 00 00 00 10 dc 00 00 22 00 02 05 b0 00 00 c0 10
> 20: 00 f0 ff 10 00 00 00 11 00 f0 3f 11 00 48 00 00
> 30: fc 48 00 00 00 4c 00 00 fc 4c 00 00 00 01 00 05
> 40: 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
> 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 00:14.1 CardBus bridge: Ricoh Co Ltd RL5c478 (rev 03)
> Flags: bus master, medium devsel, latency 168, IRQ 10
> Memory at 10001000 (32-bit, non-prefetchable) [size=4K]
> Bus: primary=00, secondary=06, subordinate=09, sec-latency=176
> Memory window 0: 10400000-107ff000 (prefetchable)
> Memory window 1: 10800000-10bff000
> I/O window 0: 00004000-000040ff
> I/O window 1: 00004400-000044ff
> 16-bit legacy interface ports at 0001
> 00: 80 11 78 04 07 00 10 02 03 00 07 06 00 a8 82 00
> 10: 00 10 00 10 dc 00 00 02 00 06 09 b0 00 00 40 10
> 20: 00 f0 7f 10 00 00 80 10 00 f0 bf 10 00 40 00 00
> 30: fc 40 00 00 00 44 00 00 fc 44 00 00 00 02 80 05
> 40: 00 00 00 00 01 00 00 00 00 00 00 00 00 00 00 00
> 50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> 01:05.0 VGA compatible controller: nVidia Corporation GeForce 256 DDR
> (rev 10) (prog-if 00 [VGA])
> Subsystem: VISIONTEK: Unknown device 000b
> Flags: bus master, 66Mhz, medium devsel, latency 64, IRQ 11
> Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
> Memory at e8000000 (32-bit, prefetchable) [size=128M]
> Expansion ROM at feaf0000 [disabled] [size=64K]
> Capabilities: [60] Power Management version 1
> Capabilities: [44] AGP version 2.0
> 00: de 10 01 01 07 00 b0 02 10 00 00 03 00 40 00 00
> 10: 00 00 00 fd 08 00 00 e8 00 00 00 00 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 00 00 00 00 45 15 0b 00
> 30: 00 00 af fe 60 00 00 00 00 00 00 00 0b 01 05 01
>
> 02:00.0 FireWire (IEEE 1394): NEC Corporation: Unknown device 00cd (rev
> 01) (prog-if 10 [OHCI])
> Subsystem: Orange Micro: Unknown device 8011
> Flags: medium devsel, IRQ 5
> Memory at 11000000 (32-bit, non-prefetchable) [size=4K]
> Memory at 11001000 (32-bit, non-prefetchable) [size=256]
> Memory at 11001100 (32-bit, non-prefetchable) [size=256]
> Capabilities: [60] Power Management version 1
> 00: 33 10 cd 00 02 00 90 02 01 10 00 0c 00 00 00 00
> 10: 00 00 00 11 00 10 00 11 00 11 00 11 00 00 00 00
> 20: 00 00 00 00 00 00 00 00 80 00 00 00 ee 12 11 80
> 30: 00 00 00 00 60 00 00 00 00 00 00 00 05 01 00 00
>
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