Debugging
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The X Windows System is a critical component in the Ubuntu operating system. X is not without its bugs, but fortunately debugging X issues is not rocket science.
The vast majority of Ubuntu X issues fall into one of several distinct categories, and based on the way they manifest, there are several different tactics that can be employed in a nearly paint-by-numbers fashion to isolate them.
Contents:
I. X/Reporting - How to create good X bug reports
II. X/CommonErrors - Explanations for commonly seen error messages
III. X/Backtracing - How to collect a backtrace for an X crash
IV. X/Triaging - How to ensure new X bug reports have enough info to troubleshoot
V. X/Troubleshooting - How to analyze X bugs to make them solvable
VI. X/Quirks - Fixes for some common hardware-specific issues
VII. X/Upstreaming - Forwarding X bugs upstream
Other Resources
Video Resources at help.ubuntu.com
FixVideoResolutionHowto at help.ubuntu.com
XorgOnTheEdge - for bleeding edge packages
BinaryDriverHowto - for installing fglrx or nvidia
X/Debugging (last edited 2016-01-10 22:13:08 by penalvch)