ubuntu-x-swat team mailing list archive

[Bryce Harrington <bryce@xxxxxxxxxxxxxxxxxxx>]

** Description changed:

  On logging in to Ubuntu, sometimes there are randomly placed black dots
  on the screen. I have seen this problem on an old Hardy install on a PPC
  and on my current Intrepid install running on an Intel Q9550. Another
  machine with Intrepid on an Athlon has never exhibited this problem. All
  were 64-bit installs.
  
  The dots are black pixels and not window or virtual desktop dependent
  (they remain in the same place regardless of what the OS draws on
  screen). Occasionally some may appear or disappear and sometimes they
  all go away and return at random times.
  
  I have discovered that simply logging out of the session and logging
  back in to X clears this problem (I have had many weeks of uptime after
  this, so am certain that it is a permanent fix).
  
  The dots do not affect any function of the OS, and can be fixed (for me)
  by restarting X (as above), but they are an unnecessary ugliness for
  those users that are affected.
  
  My guess is that the issue is with the X server - but I am not sure how
  to verify this.
  
  There is a thread (784045) about this on the Ubuntu forums (http
  ://ubuntu-ky.ubuntuforums.org/showthread.php?t=784045)
+ 
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation 4 Series Chipset DRAM Controller [8086:2e20] (rev 02)
+     	Subsystem: ASUSTeK Computer Inc. Device [1043:82d3]
+ 01:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce 9500 GT [10de:0640] (rev a1)
+     	Subsystem: Micro-Star International Co., Ltd. Device [1462:1337]

-- 
Black dots appear on screen
https://bugs.launchpad.net/bugs/421048
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