[Ubuntu Wiki] Update of "Bugs/FindRightPackage" by bryce

[Ubuntu Wiki]

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The following page has been changed by bryce:
http://wiki.ubuntu.com/Bugs/FindRightPackage?action=diff&rev1=111&rev2=112

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  === Graphical Environment ===
  
- The Ubuntu graphical environment is provided by the X Window System, also known just as "X". If you have any of the following symptoms, the issue is with X and the package to report against is `xorg`: (See [[X/Troubleshooting]] if you want to pin-point the problem.)
+ The Ubuntu graphical environment is provided by a combination of the Linux kernel and the X Window System (aka X.org).
+ 
+ The following symptoms typically are due to GPU issues in the kernel DRM driver:
  
   * Blank or solid-colored screen instead of login screen, or immediately after login
+  * System freezes completely
-  * Wrong screen resolution
+  * Wrong default screen resolution
-  * System freezes completely (but not with a blinking CAPS lock light)
+ 
+ If you have any of the following symptoms, the issue is with X and the package to report against is `xorg`: (See [[X/Troubleshooting]] if you want to pin-point the problem.)
+ 
+  * The graphical session terminates and returns to the login screen
   * Fonts extremely big or small
  
  If your problem is with the actual desktop (for example, with desktop icons):