Troubleshooting
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| * [[DebuggingKernelSuspend|Suspend and Resume issues]] | |
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| * [[X/Troubleshooting/VideoDriverDetection|Video driver detection]] * [[X/MonitorDetection|Monitor detection]] * [[X/Troubleshooting/Resolution|Resolution detection]] * [[X/Troubleshooting/Freeze|Freeze issues]] * [[Kernel/Debugging/Backlight|Backlight issues]] * [[X/Troubleshooting/BlankScreen|Blank Screen on startup issues]] * [[X/Troubleshooting/HugeFonts|Fonts displayed way too big]] * [[X/Troubleshooting/IntelPerformance|Intel graphics performance issues]] |
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| * [[X/Troubleshooting/Resolution|Resolution issues]] * [[X/Troubleshooting/BlankScreen|Blank Screen on startup issues]] * [[X/Troubleshooting/Freeze|Freeze issues]] * [[X/Troubleshooting/SingleColorScreen|Single color (brown/blue/etc.) screen on startup]] * [[X/Troubleshooting/HugeFonts|Fonts displayed way too big]] * [[X/Troubleshooting/OnlyLoadsVesa|Only loads vesa instead of correct driver]] * [[X/Troubleshooting/IntelPerformance|Intel graphics performance issues]] * [[X/Troubleshooting/NvidiaDriverMissingKernelDriver]] * [[X/MonitorDetection|Monitor Detection problems]] |
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| * [[DebuggingKeyboardDetection|Keyboard detection]] * [[DebuggingTouchpadDetection|Touchpad detection]] |
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| Booting * [[https://help.ubuntu.com/community/BootOptions|Boot Options]] * [[DebuggingKernelBoot|Debugging Kernel Boot Problems]] * [[X/NonGraphicalBoot|Non-Graphical Booting]] - 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. Crashes and Freezes |
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| * [[X/Bisecting]] - Using bisection techniques to solve regressions or backport fixes | * [[X/FixingCrashes|X Crash Fixing]] - How to fix X crashes * [[X/InterpretingIntelGpuDump|Interpreting GPU Dumps]] - Ringbuffers, batchbuffers, and the meaning of `intel_gpu_dump` output * [[X/DebuggingWithValgrind|Valgrind]] - Debugging memory leaks Other Techniques * [[X/Bisecting|X Bisecting]] - Using bisection techniques to solve regressions or backport fixes |
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| * [[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]] |
* [[X/Dev/DeviceTreeHWDetection|Device Tree]] |
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| * The {{{drm.debug=0x04}}} kernel option can be used to get additional debugging data included in your {{{dmesg}}} output. |
Common Problems
General Issues
X/Glossary - Common error messages and terminology
X Transitions - Explanation for "installing xserver-xorg-core would break existing software"
Display Issues
i855 is Unsupported - Explanation of why i845, i855, i865, etc. chips aren't supported
Hybrid Graphics is Unsupported - Not officially supported, but the community has workarounds
Input Issues
Troubleshooting Techniques
Booting
Non-Graphical Booting - Running X manually, without gdm
Wireless Without X - How to get a wireless network connection without X.
Direct Wired Without WAP - How to connect two laptops with direct ethernet cord.
Crashes and Freezes
X Backtracing - How to collect a backtrace for an X crash
X Crash Fixing - How to fix X crashes
Interpreting GPU Dumps - Ringbuffers, batchbuffers, and the meaning of intel_gpu_dump output
Valgrind - Debugging memory leaks
Other Techniques
X Bisecting - Using bisection techniques to solve regressions or backport fixes
X/Testing/Touch - Touchscreen and multi-touch testing
X Quirks - Fixes for some common hardware-specific issues
X/Troubleshooting (last edited 2017-11-18 18:25:00 by penalvch)