FFmpeg rtmp problem

INRES="1920x1080" # input resolution
OUTRES="1920x1080"
FPS="30" # target FPS
QUAL="ultrafast"  # one of the many FFMPEG preset

#justin.tv
#STREAM_KEY="MyPrivateKey"
#URL="rtmp://live.justin.tv/app/$STREAM_KEY"

#own3d.tv
STREAM_KEY="MyPrivateKey"
URL="rtmp://live.eu.own3d.tv/live/$STREAM_KEY"

ffmpeg -f x11grab -y -s 800x600 -r 15 -i :0.0 -ab 96k \
    -vcodec libx264 -preset fast -crf 30 -s 800x600 -b 800k -maxrate 800k -bufsize 2000k -g 100 \
    -f flv "$URL"


vitrums@vitrums:~/stream$ ffmpeg version git-2012-07-28-a2f91e7 Copyright (c) 2000-2012 the FFmpeg developers
  built on Jul 28 2012 12:01:28 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-libfaac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3 --enable-x11grab
  libavutil      51. 65.100 / 51. 65.100
  libavcodec     54. 45.100 / 54. 45.100
  libavformat    54. 21.100 / 54. 21.100
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3.  3.100 /  3.  3.100
  libswscale      2.  1.100 /  2.  1.100
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[x11grab @ 0x29d6440] device: :0.0 -> display: :0.0 x: 0 y: 0 width: 800 height: 600
[x11grab @ 0x29d6440] shared memory extension found
[x11grab @ 0x29d6440] Estimating duration from bitrate, this may be inaccurate
Input #0, x11grab, from ':0.0':
  Duration: N/A, start: 1343478267.015827, bitrate: 230400 kb/s
    Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 800x600, 230400 kb/s, 15 tbr, 1000k tbn, 15 tbc
Please use -b:a or -b:v, -b is ambiguous
[libx264 @ 0x29e3e60] using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE4.2 AVX
[libx264 @ 0x29e3e60] profile High 4:4:4 Predictive, level 3.1, 4:4:4 8-bit
[libx264 @ 0x29e3e60] 264 - core 125 r2 d9d2288 - H.264/MPEG-4 AVC codec - Copyleft 2003-2012 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=100 keyint_min=10 scenecut=40 intra_refresh=0 rc_lookahead=30 rc=crf mbtree=1 crf=30.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=800 vbv_bufsize=2000 crf_max=0.0 nal_hrd=none ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmp://live.eu.own3d.tv/live/MY_PRIVATE_KEY':
  Metadata:
    encoder         : Lavf54.21.100
    Stream #0:0: Video: h264 ([7][0][0][0] / 0x0007), yuv444p, 800x600, q=-1--1, 800 kb/s, 1k tbn, 15 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (rawvideo -> libx264)
Press [q] to stop, [?] for help
frame=   48 fps= 16 q=32766.0 Lsize=     150kB time=00:00:03.06 bitrate= 399.7kbits/s
video:148kB audio:0kB subtitle:0 global headers:0kB muxing overhead 0.811928%
[libx264 @ 0x29e3e60] frame I:1     Avg QP:28.84  size: 50172
[libx264 @ 0x29e3e60] frame P:14    Avg QP:29.83  size:  7138
[libx264 @ 0x29e3e60] frame B:33    Avg QP:30.58  size:    33
[libx264 @ 0x29e3e60] consecutive B-frames:  6.2%  4.2%  6.2% 83.3%
[libx264 @ 0x29e3e60] mb I  I16..4: 25.6% 21.6% 52.7%
[libx264 @ 0x29e3e60] mb P  I16..4:  0.8%  0.6%  3.5%  P16..4: 10.8%  0.7%  0.5%  0.0%  0.0%    skip:83.0%
[libx264 @ 0x29e3e60] mb B  I16..4:  0.1%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:99.8%  L0:51.6% L1:48.4% BI: 0.0%
[libx264 @ 0x29e3e60] 8x8 transform intra:17.5% inter:39.0%
[libx264 @ 0x29e3e60] coded y,u,v intra: 60.2% 32.4% 31.3% inter: 0.4% 0.2% 0.2%
[libx264 @ 0x29e3e60] i16 v,h,dc,p: 25% 62% 12%  1%
[libx264 @ 0x29e3e60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 20% 49%  3%  2%  2%  2%  2%  5%
[libx264 @ 0x29e3e60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 35% 25% 15%  3%  4%  5%  5%  4%  4%
[libx264 @ 0x29e3e60] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x29e3e60] ref P L0: 26.4% 73.6%
[libx264 @ 0x29e3e60] ref B L0: 62.5% 37.5%
[libx264 @ 0x29e3e60] kb/s:378.00