I attached gdb to xorg while the bug was happening (100% cpu usage after closing chromium), and got the backtrace with symbols. I hope this helps, but maybe it missed the loop, I don't know.
** Attachment added: "xorg.backtrace" https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2033433/+attachment/5696833/+files/xorg.backtrace -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/2033433 Title: Xorg 100% CPU and frozen desktop after closing chromium To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/2033433/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
