[alsa-devel] cannot submit syncpipe, usb2 audio

alexander axeldenstore at gmail.com
Sun Jan 8 17:33:52 CET 2012

On 01/04/2012 11:50 PM, alexander wrote:
> |I asked in alsa-users about the state of usb2 audio class compliance some time ago but I never got a definitive answer.. I've done some digging on my own and found someone had a similar issue with the same error about a year ago.
> This is what dmesg says when I connect the device in usb2 mode, the last row is the error when I try to use it.
> [ 2384.749399] usb 1-2: USB disconnect, device number 2
> [ 2390.729825] usb 1-2: new high speed USB device number 3 using ehci_hcd
> [ 2390.863654] generic-usb 0003:0926:0202.0003: hiddev0,hidraw0: USB HID v1.01 Device [Sound Devices USBPre2] on usb-0000:00:02.1-2/input3
> [ 2418.388135] cannot submit syncpipe for urb 0, error -90: internal error
> Here are the lsusb -v as usb1.1http://pastebin.com/Jj6mXHxJ  and here as usb2http://pastebin.com/8uCBAkNb
> I've looked at them and the only thing that differs is the|bInterval, wich is 1 in usb1.1 and 4 in usb


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