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You might try emailing Alan Stern about this. Could be related to kernel
On 10 Jan 2014 16:30, "Kees van Veen" wrote:
> [James Stone]
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You might try emailing Alan Stern about this. Could be relat=
ed to kernel USB handling..
On 10 Jan 2014 16:30, "Kees van Veen" =
Thanks for testing this.. Quite weird - so you are getting crackles
even at 1024x3!!? That sounds really odd and definitely an
unacceptable performance. I have definitely not heard anything like
this on my device. I wonder if it is some kind of hardware fault. Are
you able to test it on a mac or windows comupter?
No such systems around here, so that's unlikely to happen. =C2=A0I migh=
able to try it one of these days on different linux USB host hardware,
Not sure if it has anything to do with it, but I experience 'static'=
; crackles on my Presonus 1818 as well.
Have to try my old laptop still, but on my new one the crackles sometimes c=
oincide (from watching tail -f) with
=C2=A0 =C2=A0 kernel: [12263.813466] usb_submit_urb: -16
in the syslog/kern.log, and an occasional
=C2=A0 =C2=A0 kernel: [12261.509328] retire_capture_urb: 2 callbacks suppre=
Do you have that as well ?
I'm on Ubuntu 13.10 / 3.11.0-15-lowlatency.