I have resolved the problem. sudo apt-get --remove purge libgl1-mesa-dev libgl1-mesa-dri libgl1-mesa- glx libglu1-mesa libglu1-mesa-dev mesa-common-dev mesa-utils
and after sudo apt-get install libgl1-mesa-dev libgl1-mesa-dri libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev mesa-common-dev mesa-utils && sudo apt-get build-dep libgl1-mesa-dev libgl1-mesa-dri libgl1-mesa-glx libglu1-mesa libglu1-mesa-dev mesa-common-dev mesa-utils -- [unichrome] glblur crashed with SIGSEGV in _mesa_meta_CopyTexImage2D() https://bugs.launchpad.net/bugs/603725 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to mesa in ubuntu. _______________________________________________ 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

