It's probably way off base, but are you sure that you have an ehci USB
bus? When troubleshooting USB on my machines I usually compile up UHCI
and OHCI as modules and try each one, one at a time.
how can I know ? I have 4 usb plugs on my laptop.
here is my "lspci -v" output :
00:1d.0 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
Flags: bus master, medium devsel, latency 0, IRQ 10
I/O ports at 1800 [size=32]
00:1d.1 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
Flags: bus master, medium devsel, latency 0, IRQ 5
I/O ports at 1820 [size=32]
00:1d.2 USB Controller: Intel Corp. 82801DB (ICH4) USB UHCI (rev 03) (prog-if 00 [UHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
Flags: bus master, medium devsel, latency 0, IRQ 10
I/O ports at 1840 [size=32]
00:1d.7 USB Controller: Intel Corp. 82801DB (ICH4) USB2 EHCI Controller (rev 03) (prog-if 20 [EHCI])
Subsystem: Acer Incorporated [ALI]: Unknown device 001f
Flags: bus master, medium devsel, latency 0, IRQ 10
Memory at d0000000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Capabilities: [58] #0a [2080]
I removed everything from /etc/modules, but I still have ehci loaded after a reboot :
$lsmod soundcore 9952 0 ide_cd 39360 0 cdrom 35872 1 ide_cd ndiswrapper 60792 0 ehci_hcd 25088 0 usbcore 101012 3 ehci_hcd ntfs 86932 0 8250 17920 0 serial_core 22016 1 8250
I don't know what triggers it since I don't use any usb devices.
How can I try uhci ? just modprobe ?
Can I have both uhci and ehci loaded, without confilicts ?
Thanks for your help
Marcos
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