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Thread: Trouble recording from USB audio device (Digitech rp500 guitar effects processor)

  1. #11

    Default Re: Trouble recording from USB audio device (Digitech rp500 guitar effects processor)

    Rebooted, and it looks like the files in ~/.pulse were updated, and several files were added (long string of numbers and letters with 'device-volume' etc), but the behavior of no audio input when pavucontrol is closed hasn't changed.

  2. #12
    Join Date
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    Default Re: Trouble recording from USB audio device (Digitech rp500 guitar effects processor)

    Maybe because it is a removable USB device??? I never played with them

  3. #13

    Default Re: Trouble recording from USB audio device (Digitech rp500 guitar effects processor)

    dmesg when I plug it in after booting:

    Code:
    [  808.231949] usb 3-11: new full-speed USB device number 4 using xhci_hcd
    [  808.410206] usb 3-11: config 1 has an invalid interface number: 6 but max is 4
    [  808.410208] usb 3-11: config 1 has an invalid interface number: 7 but max is 4
    [  808.410210] usb 3-11: config 1 has no interface number 3
    [  808.410211] usb 3-11: config 1 has no interface number 4
    [  808.413852] usb 3-11: New USB device found, idVendor=1210, idProduct=0016
    [  808.413854] usb 3-11: New USB device strings: Mfr=1, Product=2, SerialNumber=0
    [  808.413856] usb 3-11: Product: DigiTech RP500
    [  808.413857] usb 3-11: Manufacturer: DigiTech
    [  808.441255] usb 3-11: 1:1: cannot get freq at ep 0x1
    [  808.446426] usb 3-11: 1:2: cannot get freq at ep 0x1
    [  808.452170] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.457136] usb 3-11: 2:2: cannot get freq at ep 0x82
    [  808.458066] usbcore: registered new interface driver snd-usb-audio
    [  808.467028] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.469526] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.475118] usb 3-11: 1:1: cannot get freq at ep 0x1
    [  808.477396] usb 3-11: 1:1: cannot get freq at ep 0x1
    [  808.480982] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.483477] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.489730] usb 3-11: 1:1: cannot get freq at ep 0x1
    [  808.492018] usb 3-11: 1:1: cannot get freq at ep 0x1
    [  808.497641] usb 3-11: 2:1: cannot get freq at ep 0x82
    [  808.499989] usb 3-11: 2:1: cannot get freq at ep 0x82
    Not sure what it all means, but it doesn't look good. When I start pavucontrol, I get more of this:

    Code:
    [ 1062.309374] usb 3-11: 1:1: cannot get freq at ep 0x1
    [ 1062.311672] usb 3-11: 1:1: cannot get freq at ep 0x1
    [ 1062.315466] usb 3-11: 2:1: cannot get freq at ep 0x82
    [ 1062.317901] usb 3-11: 2:1: cannot get freq at ep 0x82

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