FFMPEG BadCursor

ubuntu@ip-10-64-161-142:~/ffmpeg$ ffmpeg -f alsa -ac 2 -f x11grab -r 30 -s 640x480 -i :1.0 -b 30k -qscale 1 -s 640x480 -r 15 -ar 44100 -f flv capture.flv

ffmpeg version git-2012-08-13-ffda8f0 Copyright (c) 2000-2012 the FFmpeg developers
  built on Aug 14 2012 09:41:51 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. 69.100 / 51. 69.100
  libavcodec     54. 52.100 / 54. 52.100
  libavformat    54. 23.100 / 54. 23.100
  libavdevice    54.  2.100 / 54.  2.100
  libavfilter     3.  9.100 /  3.  9.100
  libswscale      2.  1.101 /  2.  1.101
  libswresample   0. 15.100 /  0. 15.100
  libpostproc    52.  0.100 / 52.  0.100
[x11grab @ 0x2667540] device: :1.0 -> display: :1.0 x: 0 y: 0 width: 640 height: 480
[x11grab @ 0x2667540] shared memory extension found
X Error of failed request:  BadCursor (invalid Cursor parameter)
  Major opcode of failed request:  142 (XFIXES)
  Minor opcode of failed request:  25 (XFixesGetCursorImageAndName)
  Resource id in failed request:  0x200001
  Serial number of failed request:  14
  Current serial number in output stream:  14