Installed package sound-theme-freedesktop-0.7-3.el6.noarch missing file : /usr/share/sounds/freedesktop/stereo/desktop-login.oga To which set the path at startup : /usr/bin/canberra-gtk-play - id = "desktop-login" - description = "GNOME Login" Who did it and why... remains a mystery. Solve the problem in the following way: # rpm-Uvh - force http://mirror.yandex.ru/fedora/russianfedora/releases/11/RFRemix/i386/os/Packages/sound-theme-freedesktop-0.2-3.fc11.noarch.rpm And this excludes the package from automatic updates: /etc/yum.conf [main] cachedir = / var / cache / yum / $ basearch / $ releasever keepcache = 0 debuglevel = 2 logfile = / var / log / yum.log exactarch = 1 obsoletes = 1 gpgcheck = 1 plugins = 1 installonly_limit = 3 exclude = redhat-logos, sound-theme-freedesktop