I may not be doing this correctly, but I ran the following to attempt to
debug the running lightdm process using the package from the precise
proposed ppa again. The command I ran is:
sudo gdb lightdm 24513
Of course, 24513 was the running lightdm process. Interesting thing
here is, once gdb output debug info, the process stopped utilizing 100%
of my cpu. Once I quit gdb, the process started utilizing 100% of a cpu
core once again.
If it helps, the debug output is in the attached file.
** Attachment added: "lightdm_gdb_output.txt"
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1431654/+attachment/4346642/+files/lightdm_gdb_output.txt
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https://bugs.launchpad.net/bugs/1431654
Title:
lightdm (1.2.3-0ubuntu2.6) 100%/high cpu usage
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