[LAU] USB audio interface and a buggy USB controller

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To: <linux-audio-user@...>
Date: Tuesday, September 7, 2010 - 12:19 am

It seems that my new laptop has a buggy USB controller (lspci says 'Intel Corporation 5 Series/3400 Series Chipset USB2') and this causes JACK to fail in 'duplex mode' and 'only recording mode'

$ /usr/bin/jackd -dalsa -dhw:2 -r44100 -p1024 -n2
...
ALSA: could not start playback (Broken pipe)
DRIVER NT: could not start driver
...

I have an Edirol UA-25EX.

I read about this problem in:
*http://ubuntuforums.org/showthread.php?p=9812317
where points to
*http://lists.linuxaudio.org/pipermail/linux-audio-user/2010-June/070365.html

Any idea to deal with the problem? What to do?
1) Try to have the money back
2) Try to use a USB_2_ExpressCard converter like this one?

http://www.delock.com/produkte/gruppen/Express-Card/Delock_Express_Card_... -> it says linux compatible

If this works, the performance will be similar, better or worst?

Thanks in advance,
Joan Quintana

PD. I checked a lot of things and grasped a lot of information thinking in my new laptop for audio production... but I never would thought in the USB chipset.

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Messages in current thread:
[LAU] USB audio interface and a buggy USB controller, Joan Quintana, (Tue Sep 7, 12:19 am)
Re: [LAU] USB audio interface and a buggy USB controller, Clemens Ladisch, (Tue Sep 7, 6:49 am)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Tue Sep 14, 11:24 am)
Re: [LAU] USB audio interface and a buggy USB controller, Clemens Ladisch, (Tue Sep 14, 12:23 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Tue Sep 14, 12:29 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Monty Montgomery, (Tue Sep 14, 4:26 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Wed Sep 15, 7:59 am)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Fri Sep 17, 1:38 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Philipp Überbacher, (Sat Sep 18, 6:58 am)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Sat Sep 18, 11:31 am)
Re: [LAU] USB audio interface and a buggy USB controller, Monty Montgomery, (Tue Sep 14, 5:57 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Clemens Ladisch, (Thu Sep 16, 7:21 am)
Re: [LAU] USB audio interface and a buggy USB controller, Philipp Überbacher, (Wed Sep 15, 6:30 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Philipp Überbacher, (Sat Sep 18, 7:04 am)
Re: [LAU] USB audio interface and a buggy USB controller, Monty Montgomery, (Fri Sep 17, 9:21 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Sat Sep 18, 11:36 am)
Re: [LAU] USB audio interface and a buggy USB controller, Patrick Shirkey, (Sat Sep 18, 7:06 am)
Re: [LAU] USB audio interface and a buggy USB controller, Monty Montgomery, (Wed Sep 15, 6:42 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Clemens Ladisch, (Thu Sep 16, 12:32 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Monty Montgomery, (Thu Sep 16, 8:40 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Philipp Überbacher, (Thu Sep 16, 12:04 pm)
Re: [LAU] USB audio interface and a buggy USB controller, Jeremy Jongepier, (Wed Sep 15, 8:01 am)