nvidia-smi output, running all process in gpu 1 for default.
http://pastebin.com/wTR50hpR

ffmpeg allways use gpu #1, and when it is full i cant use it
http://pastebin.com/Hi9R5njp

for this reason i try to use gpu 0 instead
http://pastebin.com/dMm8EThH

but, it try to use gpu 1 the ffmpeg process go to gpu 1 instead (nvidia-smi output, 1mbi process is the new one)
http://pastebin.com/PL7HAtXk

and when gpu 1 is full load, dont list it (hangs waiting for them)
http://pastebin.com/mWDuDLRA