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["Amy H." <rpgirl1981@xxxxxxxxx>]

Public bug reported:

Binary package hint: xorg

I'm running Ubuntu Natty Narwhal beta and Xorg is using from 20 to 90
percent CPU.

I ran top:


gamerchick02@Sidle:~$ top

top - 10:30:10 up 8 min,  2 users,  load average: 0.67, 1.54, 1.10
Tasks: 204 total,   4 running, 198 sleeping,   0 stopped,   2 zombie
Cpu(s): 44.7%us,  1.8%sy,  2.5%ni, 50.8%id,  0.0%wa,  0.0%hi,  0.2%si,  0.0%st
Mem:   4023832k total,  2336612k used,  1687220k free,    82616k buffers
Swap:  6144856k total,        0k used,  6144856k free,   728852k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND            
 1230 root      20   0  155m  46m  25m R   83  1.2   3:02.27 Xorg               
 4312 boinc     39  19  110m  78m  38m R    7  2.0   0:25.34 einsteinbinary_    
 5728 gamerchi  20   0  936m  92m  22m S    3  2.3   0:03.41 chrome             
 2708 gamerchi  20   0  685m 150m  43m S    1  3.8   0:26.19 compiz             

This results in sluggishness, high fan use, and general frustration.

Sometimes it's cured by restarting (sometimes up to 3 times) other times
it happens after a reboot.  Sometimes it doesn't manifest itself until
after Ubuntu's been running for a few minutes.

Sorry for being vague, but this is not easy to pin down.

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: beta natty xorg

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https://bugs.launchpad.net/bugs/751477

Title:
  Xorg uses excessive CPU