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[[Category:Testing]]
[[Category:BugSquad]]
[[Category:HowTo]]
</noinclude>
== What are the logs useful for ==
== What are the logs useful for ==
If you provide debugging logs to a ticket, you'll be making it much easier to developers to fix the issue. In most of the cases it will be easiest for you to reproduce the bug.
If you provide debugging logs to a ticket, you'll be making it much easier to developers to fix the issue. In most of the cases it will be easiest for you to reproduce the bug.
== The Log Activity ==
The [[olpc:Log]] Activity, [{{fullurle:olpc:File:Activity-log.svg}} http://wiki.laptop.org/images/b/b5/Activity-log.svg][[Image:olpc:File:Activity-log.svg|link=olpc:Log]] is a Sugar-based log viewer that is in most distributions to help you view software logs. You can copy text from the view pane into the Sugar clipboard, then from the clipboard keep it into the Journal, and then attach that Journal item into the [http://bugs.sugarlabs.org bugs.sugarlabs.org] or [http://dev.laptop.org dev.laptop.org] [Attach file] > [Browse...] dialogs, or paste relevant pieces directly into the bug description.
== Enabling Sugar debug logging ==
== Enabling Sugar debug logging ==
Starting with the 0.83 development release, we created the text file, ~/.sugar/debug (shown in the gray box below), which gets read at sugar startup. All the logging options are commented out by default. Use your editor of choice and remove the '#' before the line 'export SUGAR_LOGGER_LEVEL=debug' to enable Sugar debug logging.
All the logging options are commented by default. Use your editor of choice and remove the '#' before the line 'export SUGAR_LOGGER_LEVEL=debug' to enable Sugar debug logging.
<pre>
# Uncomment the following lines to turn on many sugar debugging
# log files and features
#export LM_DEBUG=net
#export GABBLE_DEBUG=all
#export GABBLE_LOGFILE=$HOME/.sugar/default/logs/telepathy-gabble.log
#export SALUT_DEBUG=all
#export SALUT_LOGFILE=$HOME/.sugar/default/logs/telepathy-salut.log
#export GIBBER_DEBUG=all
#export PRESENCESERVICE_DEBUG=1
#export SUGAR_LOGGER_LEVEL=debug
# Uncomment the following line to enable core dumps
#ulimit -c unlimited
</pre>
=== Where are the logs placed ===
=== Where are the logs placed ===
* Perform the minimal steps to reproduce the bug.
* Perform the minimal steps to reproduce the bug.
* The relevant logs are in '~/.sugar/default/logs', (e.g org.laptop.WebActivity-1.log for the log of the first Browse instance).
* The relevant logs are stored in '~/.sugar/default/logs', (e.g, org.laptop.WebActivity-1.log for the log of the first Browse instance).
=== Using the sugar-emulator ===
=== Using the sugar-emulator ===
If you are using a version older than the latest development release (0.83) run the emulator with the following command:
If you are using a version older than the development release 0.83, run the emulator with the following command:
SUGAR_LOGGER_LEVEL=debug sugar-emulator
SUGAR_LOGGER_LEVEL=debug sugar-emulator
If your bug involves the presence service, you might also want to follow the steps for [[BugSquad/Telepathy Debugging]].
If your bug involves the presence service, you might also want to follow the steps for [[BugSquad/Telepathy Debugging]].
== On the XO (using Sugar 0.82.x)==
== On the XO-1 (using Sugar 0.82.x)==
These are general steps to follow when providing logs for some bug:
These are general steps to follow when providing logs for a bug:
* Start the Terminal activity.
* Start the Terminal activity.
Another useful command is:
Another useful command is:
<code>dmesg</code>
<code>dmesg</code>
It prints out all of the kernel's messages and warnings for this session, with any new stuff at the end.
It prints out all of the kernel's messages and warnings for this session, with any new stuff at the end.