Comment 6 for bug 1218830

for 160x120,176x144,320x240,352x288, they are showing the same green screen,

but for 424x240 and 64 0x360 shows other errors:

Setting pipeline to PAUSED ...
Pipeline is live and does not need PREROLL ...
Setting pipeline to PLAYING ...
New clock: GstSystemClock
ERROR: from element /GstPipeline:pipeline0/GstV4l2Src:v4l2src0: Internal data flow error.
Additional debug info:
gstbasesrc.c(2809): gst_base_src_loop (): /GstPipeline:pipeline0/GstV4l2Src:v4l2src0:
streaming task paused, reason not-negotiated (-4)
Execution ended after 357466 ns.
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

there is some other findings, tried those system with 12.04.2, where there is no such issue, webcam display correctly,
but when we trying to downgrade kernel from 3.8 to 3.5 for systems with 12.04.3, the green screen probelm remains.