Updated packages have been posted for testing: ftp://ftp.scientificlinux.org/linux/scientific/6rolling/testing/i386/ ftp://ftp.scientificlinux.org/linux/scientific/6rolling/testing/x86_64/ This update addresses a bug in the check_yum() function (DFCT0001262) where the detection of hung yum processes failed to work as expected. Unless any critial bugs are reported, this package will be published as a bug fix on Jan 13, 2015 i386: yum-autoupdate-2-6.6.noarch.rpm x86_64: yum-autoupdate-2-6.6.noarch.rpm You can install this update for testing via the sl-testing repo on your SL system: yum --enablerepo=sl-testing update <package you wish to test>