[kopete-bugs] [Bug 167011] Webcam causes dramatically slows down the configuration dialogue

[Frank Schaefer]

https://bugs.kde.org/show_bug.cgi?id=167011





--- Comment #7 from Frank Schaefer <fschaefer oss googlemail com>  2010-05-13 17:06:42 ---
I can now reproduce the problem with a JPEG-device (Microsoft LifeCam VX-3000
045e:00f5, gspca-sonixj):
ioctl VIDIOC_DQBUF sporadically blocks for exactly 3 seconds an then returns
with error EIO, which inidicates a driver internal error.
I noticed that this happens more often to permanently, if the picture doesn't
change (for example: capturing the wall with constant light conditions).
I guess the device stops sending data in this case, which I believe is the 
expected behavior (its JPEG !).
But I'm pretty sure the driver should not block and return the last or an empty
frame instead of an "internal error".
Will talk to the kernel deves...

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