Comment 19 for bug 888051

Observed on 12.04 build:

http://snapshots.linaro.org/precise/hwpacks/leb-origen/45/hwpack_linaro-leb-origen_20120426-45_armhf_supported.tar.gz

with ubuntu image:

http://snapshots.linaro.org/precise/images/ubuntu-desktop/119/linaro-precise-ubuntu-desktop-20120426-119.tar.gz

Can't play "big_buck_bunny_1080p_H264_AAC_25fps_7200K.MP4" smoothly, and below is the "top" log output from serial console while playing the video:

top - 00:02:31 up 2 min, 2 users, load average: 2.20, 1.17, 0.47
Tasks: 142 total, 1 running, 141 sleeping, 0 stopped, 0 zombie
Cpu(s): 49.8%us, 8.8%sy, 0.0%ni, 41.3%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1029512k total, 538568k used, 490944k free, 18676k buffers
Swap: 0k total, 0k used, 0k free, 237176k cached

  PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
 2776 linaro 20 0 249m 45m 16m S 110 4.5 0:32.95 totem
 2002 root 20 0 66000 36m 6240 S 3 3.7 0:08.31 Xorg
 2399 linaro 9 -11 159m 4620 3484 S 2 0.4 0:01.34 pulseaudio
 1334 root 20 0 0 0 0 S 1 0.0 0:02.20 mmcqd/0
 2795 root 20 0 2156 1044 760 R 1 0.1 0:00.15 top
 2386 linaro 20 0 50604 10m 7884 S 0 1.0 0:01.07 metacity
 2406 linaro 20 0 212m 48m 24m S 0 4.8 0:05.86 unity-2d-shell
    1 root 20 0 2728 1672 980 S 0 0.2 0:03.77 init
    2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd
    3 root 20 0 0 0 0 S 0 0.0 0:00.07 ksoftirqd/0
    4 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/0:0
    5 root 20 0 0 0 0 S 0 0.0 0:00.17 kworker/u:0
    6 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0
    7 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1
    8 root 20 0 0 0 0 S 0 0.0 0:00.00 kworker/1:0
    9 root 20 0 0 0 0 S 0 0.0 0:00.05 ksoftirqd/1
   10 root 0 -20 0 0 0 S 0 0.0 0:00.00 khelper