Re: Re: USB recording - repetitive peaks

[Takashi Iwai <tiwai@suse.de>]

At Fri, 05 Jul 2002 01:23:18 +0900,
Patrick Shirkey wrote:
> 
> Takashi Iwai wrote:
> 
>  >the hang-up at capture close was at least fixed on cvs.
>  >it was due to the combination of ASYNC_UNLINK and complete callbacks.
>  >
>  >not sure whether the bug with jack is fixed, too, but i think it was 
>  >caused by the same reason.  please update the cvs tree.
> 
> I can now record successfully using arecord without hanging the system
> but now I get an instant lock up while starting ardour. :( I have a 
> suspicion that it happens when ardour registers with jackd and asks for 
> the available input devices.  (I'm not sure about the sound quality. I 
> will see if I can generate a test tone to use instead of actual music).

then could you remove the mask USB_ASYNC_UNLINK from line 826 of
usbaudio.c? 
this might also leads to a lock-up when usb_submit_urb() fails, but
this must happen rarely.


Takashi


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