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 * [[X/Bugs]] - Analysis of collection of similar bugs
 * [[X/Bugs/Transitions]] - Explanation for "installing xserver-xorg-core would break existing software"
 * [[X/i8xxUnsupported]] - Explanation of why i845, i855, i865, etc. chips aren't supported
 * [[X/HybridGraphics]] - How to make the most of your system with hybrid graphics
 * [[X/CommonErrors]]
 * [[X/ErrorMessages]]
 * [[Bugs/AtiDriver]]
<<Include(X/Troubleshooting, , from="=== Common Problems ===", to="=== Troubleshooting Techniques ===")>>
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<<Include(X/Troubleshooting, , from="#start")>>

 * [[X/Troubleshooting|X Troubleshooting]] - How to analyze X bugs to make them solvable
 * [[X/Backtracing|X Backtracing]] - How to collect a backtrace for an X crash
 * [[X/Bisecting]] - Using bisection techniques to solve regressions or backport fixes
 * [[X/Testing/Touch]] - Touchscreen and multi-touch testing
 * [[X/Quirks|X Quirks]] - Fixes for some common hardware-specific issues
 * [[X/FixingCrashes|X Crash Fixing]] - How to fix X crashes
 * [[X/InterpretingIntelGpuDump]] - Ringbuffers, batchbuffers, and the meaning of `intel_gpu_dump` output
 * [[X/DebuggingWithValgrind]]
 * [[X/NonGraphicalBoot]] - Running X manually, without gdm
 * [[X/Debugging/WirelessWithoutX|Wireless Without X]] - How to get a wireless network connection without X.
 * [[X/Debugging/WiredWithoutRouter|Direct Wired Without WAP]] - How to connect two laptops with direct ethernet cord.
 * [[https://help.ubuntu.com/community/BootOptions|BootOptions]]
   * [[http://wiki.cchtml.com/index.php/Ubuntu_Feisty_Installation_Guide|fglrx installation on Ubuntu]]
 * DebuggingUsplash
 * [[X/Dev/DeviceTreeHWDetection]]
<<Include(X/Troubleshooting, , from="=== Troubleshooting Techniques ===")>>

https://launchpadlibrarian.net/10142846/xswat-192.png

Basic Troubleshooting Resources

Common Problems

Include: Nothing found for "=== Common Problems ==="!

Include: Nothing found for "=== Troubleshooting Techniques ==="!

Identifying if the issue is a bug or not

If you aren't sure if you have encountered a software bug in Ubuntu, then you would want to seek help in determining if the issue is a bug or not from here.

If you have confirmed the issue is a bug, please read on.

Determining which type of bug you have

Not all bugs where X seems to be the root cause are in fact an X related bug. Hence, here is documentation on potential root causes:

Booting

Display Issues

General Issues

Input Issues

Reporting a confirmed X bug to Launchpad

Initial filing of the report

First, please install the package xdiagnose.

Next, ensure you click the Yes button for attaching additional debugging information after running the following via a terminal:

ubuntu-bug xorg

Include developer information in your report

One will want to answer the following questions in order for a developer to address the issue:

  • Does the report include debugging information from the relevant article relating to the reported issue?
  • Is this a regression?
  • Does this happen in the latest version of Ubuntu?
  • Does this happen in the latest version available from upstream?

Debugging techniques

Crashes and Freezes

Other Techniques

Triaging and tagging X bugs

Please see here for more on triaging X bugs, and here for tagging.

Fixing an X crash

  • For more on this, please see here.

  • X Quirks - Fixes for some common hardware-specific issues.

Other Resources


CategoryDebugging

Troubleshooting Techniques

Include: Nothing found for "=== Troubleshooting Techniques ==="!

Identifying if the issue is a bug or not

If you aren't sure if you have encountered a software bug in Ubuntu, then you would want to seek help in determining if the issue is a bug or not from here.

If you have confirmed the issue is a bug, please read on.

Determining which type of bug you have

Not all bugs where X seems to be the root cause are in fact an X related bug. Hence, here is documentation on potential root causes:

Booting

Display Issues

General Issues

Input Issues

Reporting a confirmed X bug to Launchpad

Initial filing of the report

First, please install the package xdiagnose.

Next, ensure you click the Yes button for attaching additional debugging information after running the following via a terminal:

ubuntu-bug xorg

Include developer information in your report

One will want to answer the following questions in order for a developer to address the issue:

  • Does the report include debugging information from the relevant article relating to the reported issue?
  • Is this a regression?
  • Does this happen in the latest version of Ubuntu?
  • Does this happen in the latest version available from upstream?

Debugging techniques

Crashes and Freezes

Other Techniques

Triaging and tagging X bugs

Please see here for more on triaging X bugs, and here for tagging.

Fixing an X crash

  • For more on this, please see here.

  • X Quirks - Fixes for some common hardware-specific issues.

Other Resources


CategoryDebugging

Configuration Tips

Development Foundations

X (last edited 2016-01-10 21:04:44 by penalvch)