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answered 2011-11-08 05:56:56 -0500

joq gravatar image

The "failed to allocate iso resources" messages suggests that your bus is not providing enough bandwidth for both cameras in the chosen video mode.

If you have a 1394b bus, try setting the iso_speed parameter to 800 (Mb/s). The default is 400, which would be correct for the older 1394 bus standard.