Did you upgrade to the latest release Hardy Heron ? Are you running the command as root or as a normal user ?
I would say that this is some kind of video memory corruption. affecting to xserver-xorg-video-ati ** Changed in: xserver-xorg-video-ati (Ubuntu) Sourcepackagename: grep => xserver-xorg-video-ati -- grep -lir from / corrupts display https://bugs.launchpad.net/bugs/210084 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
