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Thread: FATAL: Module ehci_hcd not found

  1. #1
    Join Date
    Oct 2007
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    428

    FATAL: Module ehci_hcd not found

    FATAL: Module ehci_hcd not found.

    Code:
    $ modprobe -r ehci_hcd
    FATAL: Module ehci_hcd not found.
    I can't use usb hard drives, either SATA HDDs connected via USB or USB flash drives with my Lubuntu install.

    Is this a bug?

    I had the same problem in Debian Squeeze but running the above command didn't result in the 'FATAL..' message. I eventually got it to work.

    dmesg shows:
    Code:
    [  877.152370] hub 1-0:1.0: unable to enumerate USB device on port 3
    [  877.340305] hub 1-0:1.0: unable to enumerate USB device on port 3
    [  877.528378] hub 1-0:1.0: unable to enumerate USB device on port 3
    [  877.716424] hub 1-0:1.0: unable to enumerate USB device on port 3
    [  877.904362] hub 1-0:1.0: unable to enumerate USB device on port 3
    [  878.148078] usb 1-3: new high speed USB device using ehci_hcd and address 60
    [  878.990401] end_request: I/O error, dev fd0, sector 0
    [  878.990417] Buffer I/O error on device fd0, logical block 0]
    Any ideas?

  2. #2
    Join Date
    Jun 2009
    Beans
    262
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: FATAL: Module ehci_hcd not found

    Support for hardware is compiled into the kernel if =y as module if =m
    Code:
    cat /boot/config-2.6.32-21-generic | grep -i ehci
    returns
    Code:
    CONFIG_USB_ARCH_HAS_EHCI=y
    CONFIG_USB_EHCI_HCD=y
    CONFIG_USB_EHCI_ROOT_HUB_TT=y
    CONFIG_USB_EHCI_TT_NEWSCHED=y
    Support is compiled into the kernel
    Grep my machines dmesg for ehci.
    Code:
    dmesg | grep -i ehci
    Returns
    Code:
    [    0.535711] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [    0.542832] ehci_hcd 0000:00:0e.2: PCI INT C -> Link[LNKD] -> GSI 9 (level, low) -> IRQ 9
    [    0.543006] ehci_hcd 0000:00:0e.2: EHCI Host Controller
    [    0.543530] ehci_hcd 0000:00:0e.2: new USB bus registered, assigned bus number 1
    [    0.543814] ehci_hcd 0000:00:0e.2: irq 9, io mem 0xf400a000
    [    0.553809] ehci_hcd 0000:00:0e.2: USB 2.0 started, EHCI 0.95
    [    0.908002] usb 1-2: new high speed USB device using ehci_hcd and address 2
    mojo@lubuntu:~$ dmesg | grep -i ehci
    [    0.535711] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    [    0.542832] ehci_hcd 0000:00:0e.2: PCI INT C -> Link[LNKD] -> GSI 9 (level, low) -> IRQ 9
    [    0.543006] ehci_hcd 0000:00:0e.2: EHCI Host Controller
    [    0.543530] ehci_hcd 0000:00:0e.2: new USB bus registered, assigned bus number 1
    [    0.543814] ehci_hcd 0000:00:0e.2: irq 9, io mem 0xf400a000
    [    0.553809] ehci_hcd 0000:00:0e.2: USB 2.0 started, EHCI 0.95
    [    0.908002] usb 1-2: new high speed USB device using ehci_hcd and address 2

  3. #3
    Join Date
    Oct 2007
    Beans
    428

    Re: FATAL: Module ehci_hcd not found

    Thanks for the suggestions but it didn't work.

    I get similar output but the usb drive is not detected.

    sudo fdisk -l just shows the laptop drive.

    So, I can't use a usb drive (whether SATA connected via usb or usb thumb drive)?

    I guess that means Lubuntu is worthless then. I figure it's a bug. It shouldn't be this hard. I will abandon the *buntus on my laptop... I have no choice. If devs don't care about users who have usb drives, then I don't care about the *buntus!!!!

  4. #4
    Join Date
    Oct 2006
    Location
    Milton Keynes, UK
    Beans
    1,141
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: FATAL: Module ehci_hcd not found

    Never mind, didn't read OP properly
    Last edited by IcarusR; July 15th, 2010 at 09:12 PM.
    Linux Registered User #443947 Ubuntu Regestered User #12604

    Hakunamatata ...... No worries !

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