Editing Test Day:2009-03-17 DeviceKit

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=== What to test? ===

This Fedora Test Day will focus on [[Features/DeviceKit | DeviceKit]].

=== Who's available === 

The following cast of characters will be available to help with testing, workarounds, bug fixes, and general discussion ...
* Development - [[User:tbzatek|Tomas Bzatek]], [[User:mclasen|Matthias Clasen]] (TBD)
* Quality Assurance - [[User:rbiba|Radek Biba]], [[User:QE2]], [[User:QE3]] (TBD)

=== Prerequisities for the test day === 

* Fully updated rawhide
* Free space for more partitions on a HD

{{admon/warning|We're going to do dangerous things to partition tables and partitions. Don't perform your testing on a disk with data you'd like to keep.}}

=== Optional accessories ===
* USB flash disk / MP3 player / memory card reader with a card or two
* External HD (connected via USB or FireWire)
* DVD-RAM writer & media, internal or external
* PCMCIA memory card reader with a card
* RAID array
* Encrypted partitions
* Any other exotic storage device you have

=== How to test? ===

See the Features page / TBD

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Brain dump for DeviceKit-power:

DeviceKit-power is a little service that takes data from the kernel, and processes it so that it's easy to consume. Known consumers are gnome-power-manager and the XFCE battery widget.

DeviceKit-power gets all the data from the kernel over the dbus service DeviceKit.

You should get changed events from "devkit --monitor" when you do things like remove or insert the AC adaptor. Similarly, DeviceKit-power should emit signals when this happens.

This can be observed doing "devkit-power --monitor".

If you don't get changed signals in DeviceKit or DeviceKit-power then it's probably a kernel bug. This is known for some Sony laptops, and needs to be fixed in the kernel.

You should check you get the changed signals, and that the output of "devkit-power -d" changes to the correct values. The status of the battery typically goes from charging->unknown->discharging as the embedded controller takes a while to settle down and give valid readings.

Using gnome-power-statistics you can obserbe the values in more detail. Make sure the percentages are all 0..100 and the value look sensible (for instance, Voltage is 0..20V, not 340034V). If this is the case please open a bug and dump the output of /sys/class/power_supply/*/*. If the values in /sys are wrong, then it's not a DeviceKit-power bug, it's a kernel bug or hardware fault.

For the wakeups, ensure "devkit-power --wakeups" produces userspace and kernel wakeups, and that these are sensible. The first time you run this command, you'll probably get no data, but just try again in a few seconds, and you should have some values. We don't poll by default all the time, as this itself would use power.

For the tools, try and crash the devkit-power tool. Give it invalid input, and see how it copes. Try also crashing the daemon using d-feet to execute methods, or using dbus-send on the command line. If it crashes it's an important bug, so be sure to file it in bugzilla.

If you need to run the daemon in verbose mode, do (as root):

killall devkit-power-daemon
/usr/libexec/devkit-power-daemon --verbose

and then you can open another terminal and start to see the daemon output.
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=== Test Cases and Results ===

See the Features page / TBD

[[Category:Test Days]]