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| This page is to serve as a gathering point for various X-related specs, howtos, todo lists, and other assorted resources. | #title Ubuntu-X Team <<Include(X/MenuBar)>> ||<tablestyle="float:right; background: #FFFFFF; margin: 0 0 1em 1em;" style="padding:2.0em;"> {{https://launchpadlibrarian.net/10142846/xswat-192.png}} || |
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| == Upcoming Features == | === Basic Troubleshooting Resources === * [[http://ubuntuforums.org/forumdisplay.php?f=326|Absolute Beginner Talk Forum]] * [[X/Reporting|X Reporting]] - How to create good X bug reports * [[http://ubuntuforums.org/forumdisplay.php?f=332|Hardware & Laptops Support Forum]] |
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| * dbus events to notify about input devices (no /dev/input/mice needed anymore) * X plans to move to fontconfig eventually, the core fonts stuff is planned to be more dynamic. X will start with an empty fontpath |
=== Common Problems === <<Include(X/Troubleshooting, , from="=== Common Problems ===", to="=== Troubleshooting Techniques ===")>> |
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| == Driver Info == | === Troubleshooting Techniques === <<Include(X/Troubleshooting, , from="=== Troubleshooting Techniques ===", to="^----")>> |
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| Intel * -intel - This new driver replaces -i810 and other intel drivers. We are including both -i810 and -intel in gutsy for now. Needs more testing before we drop -i810. |
=== Configuration Tips === <<Include(X/Config, , from="== Configuration Recipes ==", to="^=")>> |
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| NVidia * [http://nouveau.freedesktop.org/wiki/ nouveau] - the new, upcoming open source nvidia driver. Said to already have better 2D support than -nv, but needs integration and much testing. Radeon/ATI * [https://bugs.launchpad.net/ubuntu/+source/linux-restricted-modules-2.6.22/+bug/115188 fglrx unavailable in gutsy] - the fglrx is confused by xserver 1.3's version number. A patch exists, but we don't think we can legally distribute a patched fglrx. This needs to be resolved for Gutsy. == Teams == * ["XSwat"] - Xorg bug triage team == Blueprints == === Current Specifications === These specifications are likely to be included in an upcoming Ubuntu release. * ["Xorg7.3Integration"] - Integrate Xorg 7.3 components, adopt config autodetection * ["DisplayConfigGTK"] - New GUI utility for configuring Xorg * ["BulletProofX"] - Failsafe mode when X doesn't start, with displayconfig-gtk to configure * ["CompositeByDefault"] - Switch default window manager from Metacity to Compiz, use Beryl effects * ["XorgCtrlAltBackspace"] - Disable the Ctrl-Alt-Bksp shortcut * ["compiz-mag"] - Compiz-based magnifying glass for low vision users === Unfinished Specifications === These specifications need further discussion and drafting, but could be acceptable for future Ubuntu releases if this is done. * ["MouseExtraButtons"] - Enable extra buttons present on Microsoft Explorer mice * [https://blueprints.launchpad.net/ubuntu/+spec/915resolutions-by-default 915resolutions by default] - 915resolutions should be automatically installed and configured when -intel is installed * ["UbuntuAutomaticKeyboardLayout"] - autoconfigure keyboard layout based on network information using Wheretero * [https://blueprints.launchpad.net/ubuntu/+spec/compiz-switch-on-panel compiz-switch-on-panel] - Panel button to turn compiz on/off * ["FglrxLegacySpec"] - provide legacy fglrx driver for older hardware * ["LaptopVideoOutputControl"] - automatic plug-and-play projector support * [https://blueprints.launchpad.net/ubuntu/+spec/logitech-g15-keyboard-drivers logitech-g15-keyboard-drivers] - G15 debs for Dapper exist; need added to universe * [https://blueprints.launchpad.net/ubuntu/+spec/multi-monitor-config multi-monitor-config] - ["DisplayConfigGTK"] provides Dual-head, this would extend it to three or more monitors. === Duplicate/Obsolete Specifications === These X-related specifications are either superseded by other specs, have already been implemented, or are otherwise no longer relevant and need to be marked as such: * [https://blueprints.launchpad.net/ubuntu/+spec/xorg-config-ui xorg-config-ui] - superseded by ["DisplayConfigGTK"] and ["UbuntuAutomaticKeyboardLayout"] * [https://blueprints.launchpad.net/ubuntu/+spec/autoconfigure-monitor-frequency autoconfigure-monitor-frequency] - superseded by ["DisplayConfigGTK"] * [https://blueprints.launchpad.net/ubuntu/+spec/dual-head-display-settings-gui dual-head-display-settings-gui] - superseded by ["DisplayConfigGTK"] * [https://blueprints.launchpad.net/ubuntu/+spec/dual-head-support dual-head-support] - superseded by ["DisplayConfigGTK"] * [https://blueprints.launchpad.net/ubuntu/+spec/laptop-docking] - superseded by ["DisplayConfigGTK"] and ["dbus/hal monitor notification"] * [https://blueprints.launchpad.net/ubuntu/+spec/monitor-detect-adjust monitor-detect-adjust] - superseded by ["DisplayConfigGTK"] === Historical Specifications === * ["XRoadmap"] - Xorg 7.0, discusses the X modularization and XKB work (for Warty?) * ["XRoadmapDapper"] - Plans for continuing maintenance of X, Mesa packaging in Dapper |
=== Development Foundations === <<Include(X/Dev)>> ---- CategoryXTeam CategoryDesktopTeam CategoryUbuntuTeams |
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Basic Troubleshooting Resources
X Reporting - How to create good X bug reports
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
i855 is Unsupported - Explanation of why i845, i855, i865, etc. chips aren't supported
General Issues
Glossary - Common error messages and terminology
X Transitions - Explanation for "installing xserver-xorg-core would break existing software"
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
Non-Graphical Booting - Running X manually, without a display manager (like lightdm, kdm, 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
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
Triaging and tagging X bugs
Please see here for more on triaging X bugs, and here for tagging.
Fixing an X crash
Other Resources
Video Resources at help.ubuntu.com
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
i855 is Unsupported - Explanation of why i845, i855, i865, etc. chips aren't supported
General Issues
Glossary - Common error messages and terminology
X Transitions - Explanation for "installing xserver-xorg-core would break existing software"
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
Non-Graphical Booting - Running X manually, without a display manager (like lightdm, kdm, 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
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
Triaging and tagging X bugs
Please see here for more on triaging X bugs, and here for tagging.
Fixing an X crash
Other Resources
Video Resources at help.ubuntu.com
Configuration Tips
General Configuration
Session Startup - .xprofile, .xsessionrc, .gnomerc
Rootless X - Running X as a user process, not as the root user
Xorg On The Edge - for bleeding edge packages
Display Configuration
Development Foundations
Development Topics
Ubuntu-X Team - Joining the Ubuntu X.org team
Ubuntu-X Todo List - Tasks and escalated bugs needing attention by X maintainers
X Triaging - How to ensure new X bug reports have enough info to troubleshoot
X Architecture - High level architectural overview of X.org
Driver Development - Developing new Xorg drivers for Ubuntu
X Glossary - Explanations for confusing terms often seen in logs and error messages
X Blueprints - Specifications of interest for X
Using Git - Instructions for using git
X Bug Tags - Bug tagging
Maintenance Tools
X/BetaReviewChecklist - Things to do / stuff to consider reverting around -beta
Building Driver Debs - Building debs of upstream drivers
X/PackageNotes - One of our packaging tools makes use of this
CategoryXTeam
CategoryXTeam CategoryDesktopTeam CategoryUbuntuTeams
X (last edited 2016-01-10 21:04:44 by penalvch)