Re: ALSA vs M-Audio fast track ULTRA

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V Gabriele De Palo wrote, on 19/08/08 11:08:
> James Shatto ha scritto:
> 
>> On Tue, 19 Aug 2008 01:28:46 +0200
>> V Gabriele De Palo <vgdepalo@xxxxxxxx> wrote:
>>
>>  
>>
>>> Has someone got the Fast Track   Ultra   from M-Audio working with linux?
>>>    
>>>
>> I have an M-Audio Mobile Pre working.  I just used it this morning to digitize some judging tapes.
>>
>> modprobe snd-usb-audio
>>
>> If it's USB class compliant it should work.  But usb bandwidth is sort of limited relative to firewire / pci.  You may also need ehci_hcd for usb 2.0.  Otherwise you'll be stuck in usb 1.1 land with a much slower bus speed.
>>
>> modprobe ehci_hcd
>>
>> NOTE: the module name may differ depending on kernel version.  And it implies other usb parts are in place.  UHCI or OHCI depending on your computer.

> grazie! vero ...right!
> if I lunch in a terminal modprobe ehci_hdc command the output's: FATAL: 
> Module ehci_hdc not found.

The module you need is:

ehci_hcd

> Sorry, but I'don't really know how to check it on my kernel version or 
> in my computer.
> thank you very much!
> Please help me!


The command I used to find the module names was:

# find /lib/modules/`uname -r` -name \*hci\* -print

which returned:

/lib/modules/2.6.27-rc3/kernel/drivers/bluetooth/hci_vhci.ko
/lib/modules/2.6.27-rc3/kernel/drivers/bluetooth/hci_usb.ko
/lib/modules/2.6.27-rc3/kernel/drivers/bluetooth/hci_uart.ko
/lib/modules/2.6.27-rc3/kernel/drivers/mmc/host/sdhci.ko
/lib/modules/2.6.27-rc3/kernel/drivers/usb/host/ehci-hcd.ko
/lib/modules/2.6.27-rc3/kernel/drivers/usb/host/uhci-hcd.ko
/lib/modules/2.6.27-rc3/kernel/drivers/usb/host/ohci-hcd.ko
/lib/modules/2.6.27-rc3/kernel/drivers/ieee1394/ohci1394.ko
/lib/modules/2.6.27-rc3/kernel/drivers/ata/ahci.ko

Note that the hyphen and underscore are treated as the same character 
for module names.

On my pc, I have both old USB 1.1 built-in to the Intel chipset 
motherboard and an NEC USB 2.0 PCI card.

# lspci|grep -i usb

00:07.2 USB Controller: Intel Corporation 82371AB/EB/MB PIIX4 USB (rev 01)
00:0a.0 USB Controller: NEC Corporation USB (rev 43)
00:0a.1 USB Controller: NEC Corporation USB (rev 43)
00:0a.2 USB Controller: NEC Corporation USB 2.0 (rev 04)

To see what modules are installed, use the lsmod command:

# lsmod|grep hci

ehci_hcd               28780  0
uhci_hcd               18960  0
ohci_hcd               18500  0
usbcore               118032  6 usblp,usbhid,ehci_hcd,uhci_hcd,ohci_hcd

Regards,

Arthur.


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