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Second Life - Linux Alpha README
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
This document contains information about the Second Life Linux
client, and isn't meant to serve as an introduction to Second
Life itself - please see <http://www.secondlife.com/whatis/>.
1. Introduction
2. System Requirements
3. Installing & Running
4. Known Issues
5. Troubleshooting
6. Advanced Troubleshooting
7. Getting more help, and reporting problems
1. INTRODUCTION
-=-=-=-=-=-=-=-
Hi! This is an ALPHA release of the Second Life client for Linux.
The 'alpha' status means that not everything is implemented yet and
we're still hard at work on this version of the client, but many
residents find that it already works well 'out of the box' for accessing
Second Life.
We encourage you to try it out and let us know of its compatibility
with your system. Be aware that although the client itself is provided
for testing purposes, any changes you make within the Second Life world
are permanent.
Please enjoy!
2. SYSTEM REQUIREMENTS
-=-=-=-=-=-=-=-=-=-=-=
Minimum requirements:
* Internet Connection: Cable or DSL
* Computer Processor: 800MHz Pentium III or Athlon, or better
* Computer Memory: 256MB or better
* Linux Operating System: A reasonably modern 32-bit Linux environment
is required. If you are running a 64-bit Linux distribution, you
may need a set of 32-bit compatibility libraries.
* Video/Graphics Card:
o nVidia GeForce 2, GeForce 4mx, or better
o OR ATI Radeon 8500, 9250, or better
**NOTE**: Second Life absolutely requires you to have recent, correctly-
configured OpenGL 3D drivers for your hardware - the graphics drivers
that came with your operating system may not be good enough! See the
TROUBLESHOOTING section if you encounter problems starting Second Life.
For a more comfortable experience, the RECOMMENDED hardware for the Second
Life Linux client is very similar to that for Windows, as detailed at:
<https://secondlife.com/corporate/sysreqs.php>
3. INSTALLING & RUNNING
-=-=-=-=-=-=-=-=-=-=-=-
The Second Life Linux client entirely runs out of the directory you have
unpacked it into - no installation step is required.
Run ./secondlife from the installation directory to start Second Life.
User data is stored in the hidden directory ~/.secondlife by default; you may
override this location with the SECONDLIFE_USER_DIR environment variable if
you wish.
4. KNOWN ISSUES
-=-=-=-=-=-=-=-
The following user-visible features are currently not fully implemented on
the Linux client and are therefore known not to work properly:
* QuickTime movie playback and movie recording
* F1 Help
* Embedded Web Profiles and HTML Login Screen
* Video memory detection
* Full Unicode font rendering
* Auto-updater
* UPDATING - when the client detects that a new version of Second Life
is available, it will ask you if you wish to download the new version.
This option is not implemented; to upgrade, you should manually download a
new version from the Second Life web site, <http://www.secondlife.com/>.
* UPLOAD / SAVE / COLOR-PICKER DIALOGS - These only function when the client
is in 'windowed' mode, not 'fullscreen' mode.
* GRAPHICAL SPEED/QUALITY - as many Linux graphics drivers are not as robust
as their counterparts for some other operating systems, advanced Second Life
graphical features have been disabled to aid stability. See PROBLEM 3 in the
TROUBLESHOOTING section if you wish to turn these on to enhance your
experience.
5. TROUBLESHOOTING
-=-=-=-=-=-=-=-=-=
The client prints a lot of diagnostic information to the console it was
run from. Most of this is also replicated in ~/.secondlife/logs/SecondLife.log
- this is helpful to read when troubleshooting, especially 'WARNING' lines.
PROBLEM 1:- Second Life fails to start up, with a warning on the console like:
'Error creating window.' or
'Unable to create window, be sure screen is set at 32-bit color' or
'SDL: Couldn't find matching GLX visual.'
SOLUTION:- Usually this indicates that your graphics card does not meet
the minimum requirements, or that your system's OpenGL 3D graphics driver is
not updated and configured correctly. If you believe that your graphics
card DOES meet the minimum requirements then you likely need to install the
official so-called 'non-free' nVidia or ATI (fglrx) graphics drivers; we
suggest one of the following options:
* Consult your Linux distribution's documentation for installing these
official drivers. For example, Ubuntu provides documentation here:
<https://help.ubuntu.com/community/BinaryDriverHowto>
* If your distribution does not make it easy, then you can download the
required Linux drivers straight from your graphics card manufacturer:
- nVidia cards: <http://www.nvidia.com/object/unix.html>
- ATI cards: <http://ati.amd.com/support/driver.html>
PROBLEM 2:- My whole system seems to hang when running Second Life.
SOLUTION:- This is typically a hardware/driver issue. The first thing to
do is to check that you have the most recent official drivers for your
graphics card.
SOLUTION:- Some residents with ATI cards have reported that running
'sudo aticonfig --locked-userpages=off' before running Second Life solves
their stability issues.
SOLUTION:- As a last resort, you can disable most of Second Life's advanced
graphics features by editing the 'secondlife' script and removing the '#'
from the line which reads '#export LL_GL_NOEXT=x'
PROBLEM 3:- Performance or graphical quality are not as high as I expect.
PROBLEM:- I can't turn on Anisotropic Filtering, Ripple Water, or AGP.
PROBLEM:- 'Shiny' doesn't work.
SOLUTION:- Some graphics performance features in Second Life are disabled
by default for the Linux version due to stability issues with some common
Linux graphic drivers. You can re-enable these features at the slight
risk of decreasing system stability. To do so:
* Edit the 'secondlife' script. Comment-out these lines by putting a '#'
in front of them: 'export LL_GL_BASICEXT=x', 'export LL_GL_NOEXT=x',
'export LL_GL_BLACKLIST=abcdefghijklmno'.
* Now start Second Life. Some advanced performance features will now be
automatically used, and some new options in Preferences will now be
available to you; there is no guarantee, however, that they will
positively affect performance!
PROBLEM 4:- Sound effects seem to 'lag' a fraction of a second behind
actions.
SOLUTION:- You may uncomment the 'LL_BAD_ESD' line in the 'secondlife' script
to get more responsive audio. However, if you do this then you may
encounter audio issues or a hang during login, so beware.
6. ADVANCED TROUBLESHOOTING
-=-=-=-=-=-=-=-=-=-=-=-=-=-
The 'secondlife' script which launches Second Life contains some
configuration options for advanced troubleshooters.
* AUDIO - Edit the 'secondlife' script and you will see three audio
options: LL_BAD_ESD, LL_BAD_OSS, LL_BAD_ALSA. Second Life tries to
use ESD, OSS, then ALSA audio drivers in this order; you may uncomment
the corresponding LL_BAD_* option to skip an audio driver which you
believe may be causing you trouble.
* OPENGL - For advanced troubleshooters, the LL_GL_BLACKLIST option lets
you disable specific GL extensions, each of which is represented by a
letter ("a"-"o"). If you can narrow down a stability problem on your system
to just one or two GL extensions then please post details of your hardware
(and drivers) to the Linux Client Alpha Testers forum (see link below) along
with the minimal LL_GL_BLACKLIST which solves your problems. This will help
us to improve stability for your hardware while minimally impacting
performance.
LL_GL_BASICEXT and LL_GL_NOEXT should be commented-out for this to be useful.
7. GETTING MORE HELP AND REPORTING PROBLEMS
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
For general help and support with Second Life:
<http://secondlife.com/community/support.php>
In-world help: Please use the 'Help' menu in the client for general
non-Linux-specific Second Life help including live support from the fabulous
Live Help team.
In-world discussion: There is a 'Linux Client Users' group
inside Second Life which is free to join. You can find it by pressing
the 'Search' button at the bottom of the window and then selecting the
'Groups' tab and searching for 'Linux'. This group is useful for discussing
Linux issues with fellow Linux client users who are online.
Linux Client Alpha Testers forum:
<http://forums.secondlife.com/forumdisplay.php?forumid=263>
This is a good place for discussing Linux-specific Second Life problems
if you find that the Troubleshooting section in this file hasn't helped.
When reporting problems here, please include information about the
Second Life version you are running, your graphics card, graphics driver,
and Linux distribution.
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