I found it hard to follow your log files because of so many errors from extension "system-moni...@paradoxxx.zero.gmail.com". Maybe try removing your extensions if they're that buggy/noisy.
Also, what version of the nvidia driver are you using? ** Summary changed: - Xorg crashed with signal 7 in _dl_fixup() + Xorg crashed with signal 7 in _dl_fixup() from _dl_runtime_resolve_xsavec() ** Summary changed: - Xorg crashed with signal 7 in _dl_fixup() from _dl_runtime_resolve_xsavec() + [nvidia] Xorg crashed with signal 7 in _dl_fixup() from _dl_runtime_resolve_xsavec() called from nvidia_drv.so ** Tags added: nvidia -- 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/1760450 Title: [nvidia] Xorg crashed with signal 7 in _dl_fixup() from _dl_runtime_resolve_xsavec() called from nvidia_drv.so To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1760450/+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