OK, `gdb64 /usr/lib/xorg/Xorg 2>&1 | tee gdb-Xorg.txt' works. The instructions for backtracing at https://wiki.ubuntu.com/X/Backtracing#Backtrace_with_gdb obviously need some love.
With all the complaints from gdb out of the way it seems that the issue shows up as the corrupted shared library list seen above. ** Attachment added: "Two attempts at backtrace" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1591472/+attachment/4715387/+files/gdb-Xorg.txt -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1591472 Title: Xorg crashes immediately on login returning to greeter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1591472/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
