3.15 Reading Server Log Files
At startup, the server will output some diagnostic information to standard output. It
will log a more detailed version of that information in /var/log/
Xorg.displaynumber.log. This log is a key source of information when debugging a
configuration setup.
The log file includes, in order:
1. Version and build information for the server, so you know which version is in
use.
2. OS Kernel version information.
3. A marker legend. Many of the lines in the file are marked with two characters in
parenthesis, indicating the source of the information or type of message displayed
in that line. These markers are vitally important, since the various sources
of information can override one another and interact in unexpected ways. The
marker legend explains what these symbols mean:
(--) Probed
The information was discovered by directly querying the hardware.
(**) From config file
The information was pulled from entries in the configuration file.
(==) Default setting
Since no applicable overriding values were found, the compiled-in default
setting was used.
(++) From command line
The value was given as an option value on the X server command line.
(!!) (II) Notice or informational
No error is indicated??”the data is printed only for your information.
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