sl6 пухнет Xorg.0.log

вот такими строками, примерно по 10мб в сутки

[ 98818.653] AUDIT: Mon Feb 18 10:47:40 2013: 3429: client 35 connected from local host ( uid=500 gid=500 pid=11594 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98818.656] AUDIT: Mon Feb 18 10:47:40 2013: 3429: client 36 connected from local host ( uid=500 gid=500 pid=11594 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98818.676] AUDIT: Mon Feb 18 10:47:40 2013: 3429: client 36 disconnected
[ 98818.681] AUDIT: Mon Feb 18 10:47:40 2013: 3429: client 35 disconnected
[ 98823.677] AUDIT: Mon Feb 18 10:47:45 2013: 3429: client 35 connected from local host ( uid=500 gid=500 pid=11599 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98823.680] AUDIT: Mon Feb 18 10:47:45 2013: 3429: client 36 connected from local host ( uid=500 gid=500 pid=11599 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98823.700] AUDIT: Mon Feb 18 10:47:45 2013: 3429: client 36 disconnected
[ 98823.704] AUDIT: Mon Feb 18 10:47:45 2013: 3429: client 35 disconnected
[ 98828.703] AUDIT: Mon Feb 18 10:47:50 2013: 3429: client 35 connected from local host ( uid=500 gid=500 pid=11607 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98828.706] AUDIT: Mon Feb 18 10:47:50 2013: 3429: client 36 connected from local host ( uid=500 gid=500 pid=11607 )
  Auth name: MIT-MAGIC-COOKIE-1 ID: 611
[ 98828.727] AUDIT: Mon Feb 18 10:47:50 2013: 3429: client 36 disconnected
[ 98828.731] AUDIT: Mon Feb 18 10:47:50 2013: 3429: client 35 disconnected

на двух разнонагруженных системах одинаково, как найти причину или устранить последствия?