Re: Apogee ONEv2 keeps resetting

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Hi Alan,

On 3/22/22 19:03, Alan Stern wrote:
On Sun, Mar 20, 2022 at 02:15:40AM +0100, Petr Janecek wrote:
Hi,
    I'm trying to use Apogee ONEv2.  From usb dumps under
macos or windows it seems like a usb Class Audio 2.0
device, but in linux, it keeps resetting every two seconds
or so.  It keeps resetting even when the snd-usb-audio
driver is disabled, so the problem is probably at a lower
level.

Can you post the log output on a system where snd-usb-audio is disabled?

[ 3412.279063] usb 3-8: new high-speed USB device number 6 using xhci_hcd
[ 3412.470003] usb 3-8: New USB device found, idVendor=0c60, idProduct=0017, bcdDevice= 1.05 [ 3412.470017] usb 3-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3412.470023] usb 3-8: Product: ONEv2
[ 3412.470028] usb 3-8: Manufacturer: Apogee
[ 3412.470033] usb 3-8: SerialNumber: 0C12FF2020204652334D513A7A2A9B
[ 3413.217053] usb 3-8: USB disconnect, device number 6
[ 3413.629046] usb 3-8: new high-speed USB device number 7 using xhci_hcd
[ 3413.829760] usb 3-8: New USB device found, idVendor=0c60, idProduct=0017, bcdDevice= 1.05 [ 3413.829766] usb 3-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3413.829768] usb 3-8: Product: ONEv2
[ 3413.829770] usb 3-8: Manufacturer: Apogee
[ 3413.829772] usb 3-8: SerialNumber: 0C12FF2020204652334D513A7A2A9B
[ 3414.421964] usb 3-8: USB disconnect, device number 7
[ 3414.838981] usb 3-8: new high-speed USB device number 8 using xhci_hcd
[ 3415.029947] usb 3-8: New USB device found, idVendor=0c60, idProduct=0017, bcdDevice= 1.05 [ 3415.029961] usb 3-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3415.029968] usb 3-8: Product: ONEv2
[ 3415.029973] usb 3-8: Manufacturer: Apogee
[ 3415.029978] usb 3-8: SerialNumber: 0C12FF2020204652334D513A7A2A9B
[ 3415.627052] usb 3-8: USB disconnect, device number 8

   The messages below are from v5.16.16, but it behaves
the same no matter what I plug it into.

[  253.708616] usb 3-8: new high-speed USB device number 6 using xhci_hcd
[  253.899363] usb 3-8: New USB device found, idVendor=0c60, idProduct=0017,
bcdDevice= 1.05
[  253.899370] usb 3-8: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[  253.899373] usb 3-8: Product: ONEv2
[  253.899375] usb 3-8: Manufacturer: Apogee
[  253.899377] usb 3-8: SerialNumber: 0C12FF2020204652334D513A7A2A9B
[  253.960901] mc: Linux media interface: v0.10

Any idea where that line came from?

  That's from CONFIG_MEDIA_CONTROLLER, which is selected for usb
webcam.  It also selects CONFIG_SND_USB_AUDIO_USE_MEDIA_CONTROLLER.
Compiled it out, rebooted.  Now the line is missing, but no other
change.

You should try capturing a usbmon trace showing what happens when the
device is plugged in and then resets.  Preferably on a system where
snd-usb-audio is disabled.

  Trace from wireshark is attached.

One other thing you might try: Disable runtime PM for USB ("echo -1
/sys/module/usbcore/parameters/autosuspend" before plugging in the
device).

  Makes no difference -- almost: after few resets it once took much
longer (>10x) to reconnect.


Petr Janecek

Attachment: onev2_no_usb_audio.pcapng.xz
Description: application/xz


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