I think I found a posible solution of this bug. It was a problem with a S-video. I have disabled in xorg S-video, I don't know if there are another solution.
I've changed this files: 1 FILE->>>>>/etc/X11/xorg.conf.d/50-device.conf Section "Device" Identifier "Default Device" #Driver "radeon" ## Required magic for radeon/radeonhd drivers; output name ## (here: "DVI-0") can be figured out via 'xrandr -q' #Option "monitor-DVI-0" "Default Monitor" Option "monitor-S-video" "monitor-S-video" EndSection 2ยบ FILE->>>>>>>/etc/X11/xorg.conf.d/50-monitor.conf (ADDED AT THE END) Section "Monitor" Identifier "monitor-S-video" Option "Ignore" "true" EndSection Now, xrand not detect S-video and I have no problems with blinks I hope it help yours I'm sorry for my english!!!!!!!!!!! -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in ubuntu. https://bugs.launchpad.net/bugs/599463 Title: monitor blind sometimes _______________________________________________ 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