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Re: [Spca50x-devs] VIDIOCSYNC ioctl blocks indefinitely




Le Mercredi 4 Avril 2007 00:10, Brian Koehler a écrit :
> First off, thanks to everyone who has worked on this driver.  I find it
> very useful.
>
> Lately, I have been having difficulty with the gspcav1 driver (20070110)
> with fedora core 6 kernel version 2.6.20-1.2933.fc6 with at Creative Webcam
> Live! (ID 041e:4036).
>
> I've been using motion 3.2.7 with the driver and the application runs
> successfully sometimes for several minutes and sometimes for several hours,
> but it always ends up eventually blocking indefinitely on a VIDIOCSYNC
> ioctl.  This is always associated with the following entries in the system
> log:
>
> gspca_core.c: [spca50x_isoc_irq:1084] Non-zero status (-63) in isoc
> completion handler.
> gspca_core.c: [spca50x_isoc_irq:1084] Non-zero status (-18) in isoc
> completion handler.
These errors come from the usb layer, can you try another socket on your 
motherboard ?
>
> At this point, the only way to recover seems to be to kill -9 and restart
> the application.
Yes the apllication wait for data but the isoc pipe is broken.
>
> I'd like to hear from anyone who has also experienced this problem or has
> any suggestions.
>
> Thanks.
regards
-- 
Michel Xhaard
http://mxhaard.free.fr

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