Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 9 Nov 2001 02:00:19 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 9 Nov 2001 02:00:11 -0500 Received: from front1.mail.megapathdsl.net ([66.80.60.31]:3078 "EHLO front1.mail.megapathdsl.net") by vger.kernel.org with ESMTP id ; Fri, 9 Nov 2001 02:00:07 -0500 Subject: Re: Who sees "IRQ routing conflict" in dmesg? From: Miles Lane To: LKML Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Evolution/0.99.1 (Preview Release) Date: 08 Nov 2001 22:49:25 -0800 Message-Id: <1005288566.32719.0.camel@stomata.megapathdsl.net> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/