** Description changed:

  Jaunty LiveCD,
- when played fullscreen Flash videos (youtube) become choppy, video stops for 
a second every 2-3 seconds, CPU load is nearly 100%. Same result on installed 
and updated Jaunty and Jaunty LiveCD (http://cdimage.ubuntu.com/daily/20090321 
).
+ when played fullscreen Flash videos (youtube) become choppy, video stops for 
a second every 2-3 seconds, CPU load is nearly 100%. Same result on installed 
and updated Jaunty and Jaunty LiveCD (http://cdimage.ubuntu.com/daily/20090321 
). 
+ Situation _worsens_ with compiz turned off (no desktop effects) as it seems 
to resolve the problem by dropping video frames instead of jerking up. Since 
I'm not using desktop environments the problem is more evident to me. 
  Same system Intrepid LiveCD - cpu load 20-30%, no stops.
  
  Tasks: 112 total,   6 running, 106 sleeping,   0 stopped,   0 zombie
  top - 03:30:18 up 31 min,  4 users,  load average: 1.19, 0.85, 0.53
  Tasks: 112 total,   4 running, 108 sleeping,   0 stopped,   0 zombie
  Cpu(s): 77.8%us,  1.7%sy,  0.0%ni, 20.6%id,  0.0%wa,  0.0%hi,  0.0%si,  0.0%st
  Mem:   1987428k total,   601692k used,  1385736k free,    35328k buffers
  Swap:  3437868k total,        0k used,  3437868k free,   328992k cached
  
    PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND          
           
   3909 root      20   0  357m  41m  16m R   96  2.1   4:31.52 Xorg             
            
   4153 danja     20   0  303m 131m  33m R   62  6.8   7:48.59 firefox          
            
  
  $ lsb_release -rd
  Description:    Ubuntu jaunty (development branch)
  Release:        9.04
  
  $ uname -a
  Linux www 2.6.28-8-generic #28-Ubuntu SMP Thu Mar 5 21:49:36 UTC 2009 i686 
GNU/Linux
  
  $ lspci
  00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory 
Controller Hub (rev 07)
  00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)
  00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)
  00:03.0 Communication controller: Intel Corporation Mobile 4 Series Chipset 
MEI Controller (rev 07)
  00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network 
Connection (rev 03)
  00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #4 (rev 03)
  00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #5 (rev 03)
  00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #6 (rev 03)
  00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #2 (rev 03)
  00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio 
Controller (rev 03)
  00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 
(rev 03)
  00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 
(rev 03)
  00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 
(rev 03)
  00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #1 (rev 03)
  00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #2 (rev 03)
  00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI 
Controller #3 (rev 03)
  00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI 
Controller #1 (rev 03)
  00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
  00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 
03)
  00:1f.2 IDE interface: Intel Corporation ICH9M/M-E 2 port SATA IDE Controller 
(rev 03)
  00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 
03)
  03:00.0 Ethernet controller: Atheros Communications Inc. AR242x 802.11abg 
Wireless PCI Express Adapter (rev 01)
  
  $ aptitude show xserver-xorg-video-intel
  Package: xserver-xorg-video-intel
  State: installed
  Automatically installed: no
  Version: 2:2.6.99.1+git20090319.bedc894a-0ubuntu0tormod
  
  $ aptitude show xorg
  Package: xorg
  State: installed
  Automatically installed: no
  Version: 1:7.4~5ubuntu16
  
  $ aptitude show flashplugin-nonfree
  Package: flashplugin-nonfree
  State: installed
  Automatically installed: no
  Version: 10.0.22.87ubuntu1

-- 
fullscreen flash video is choppy and takes 100% CPU
https://bugs.launchpad.net/bugs/347065
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