[USB] Conflit IRQ

Fri, 13 May 2005 00:15:09 -0700

Apr�s avoir d�sactiv� dans le BIOS la prise en charge ACPI (�tant donn� que les chipsets VIA sur les cartes m�res Apollo ne permettent pas la gestion ACPI), enlev� les paquet Ubuntu acpi, acpid, powermangmt ... la carte PCI (HUB) Lucent Microelectronics 4 ports est bien reconnue au d�marrage du syst�me, ainsi que chacun des ports. Mais apparemment, ce que je soup�onnais semble �tre r�el : un conflit d'IRQ (mauvaise prise en charge du port PCI ?).
Voici ce que renvoie la commande 'dmesg' (notez la ligne en italiques):
cpci_hotplug: CompactPCI Hot Plug Core version: 0.2
pci_hotplug: PCI Hot Plug PCI Core version: 0.5
shpchp: acpi_shpchprm:get_device PCI ROOT HID fail=0x1001
pciehp: acpi_pciehprm:get_device PCI ROOT HID fail=0x1001
usbcore: registered new driver usbfs
usbcore: registered new driver hub
USB Universal Host Controller Interface driver v2.2
PCI: Found IRQ 9 for device 0000:00:07.2
/IRQ routing conflict for 0000:00:07.2, have irq 10, want irq 9/
PCI: Sharing IRQ 9 with 0000:00:14.0
PCI: Sharing IRQ 9 with 0000:00:14.1
PCI: Sharing IRQ 9 with 0000:00:14.2
PCI: Sharing IRQ 9 with 0000:00:14.3
uhci_hcd 0000:00:07.2: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 Controlleruhci_hcd 0000:00:07.2: irq 10, io base 0xe400
uhci_hcd 0000:00:07.2: new USB bus registered, assigned bus number 1
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
8139too Fast Ethernet driver 0.9.27
PCI: Found IRQ 12 for device 0000:00:12.0
eth0: RealTek RTL8139 at 0xe800, 00:80:ad:7a:9a:a7, IRQ 12
eth0: Identified 8139 chip type 'RTL-8100'
8139cp: 10/100 PCI Ethernet driver v1.2 (Mar 22, 2004)
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
ohci_hcd: 2004 Nov 08 USB 1.1 'Open' Host Controller (OHCI) Driver (PCI)
NET: Registered protocol family 17
PCI: Found IRQ 9 for device 0000:00:14.0
IRQ routing conflict for 0000:00:07.2, have irq 10, want irq 9
PCI: Sharing IRQ 9 with 0000:00:14.1
PCI: Sharing IRQ 9 with 0000:00:14.2
PCI: Sharing IRQ 9 with 0000:00:14.3
ohci_hcd 0000:00:14.0: Lucent Microelectronics USS-344S USB Controller
ohci_hcd 0000:00:14.0: irq 9, pci mem 0xd7001000
ohci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
PCI: Found IRQ 9 for device 0000:00:14.1
IRQ routing conflict for 0000:00:07.2, have irq 10, want irq 9
PCI: Sharing IRQ 9 with 0000:00:14.0
PCI: Sharing IRQ 9 with 0000:00:14.2
PCI: Sharing IRQ 9 with 0000:00:14.3
ohci_hcd 0000:00:14.1: Lucent Microelectronics USS-344S USB Controller (#2)
ohci_hcd 0000:00:14.1: irq 9, pci mem 0xd7002000
ohci_hcd 0000:00:14.1: new USB bus registered, assigned bus number 3
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 1 port detected
PCI: Found IRQ 9 for device 0000:00:14.2
IRQ routing conflict for 0000:00:07.2, have irq 10, want irq 9
PCI: Sharing IRQ 9 with 0000:00:14.0
PCI: Sharing IRQ 9 with 0000:00:14.1
PCI: Sharing IRQ 9 with 0000:00:14.3
ohci_hcd 0000:00:14.2: Lucent Microelectronics USS-344S USB Controller (#3)
ohci_hcd 0000:00:14.2: irq 9, pci mem 0xd7003000
ohci_hcd 0000:00:14.2: new USB bus registered, assigned bus number 4
hub 4-0:1.0: USB hub found
hub 4-0:1.0: 1 port detected
PCI: Found IRQ 9 for device 0000:00:14.3
IRQ routing conflict for 0000:00:07.2, have irq 10, want irq 9
PCI: Sharing IRQ 9 with 0000:00:14.0
PCI: Sharing IRQ 9 with 0000:00:14.1
PCI: Sharing IRQ 9 with 0000:00:14.2
ohci_hcd 0000:00:14.3: Lucent Microelectronics USS-344S USB Controller (#4)
ohci_hcd 0000:00:14.3: irq 9, pci mem 0xd7004000
ohci_hcd 0000:00:14.3: new USB bus registered, assigned bus number 5
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 1 port detected


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