Adding xorg-server since that is the missing piece. There are some patches proposed for upstream xorg-server that does fix this issue in my testing. Hopefully they will be accepted soon and then we can get them into Ubuntu.
** Also affects: xorg-server (Ubuntu) Importance: Undecided Status: New ** Bug watch added: freedesktop.org Bugzilla #71762 https://bugs.freedesktop.org/show_bug.cgi?id=71762 ** Also affects: xorg-server via https://bugs.freedesktop.org/show_bug.cgi?id=71762 Importance: Unknown Status: Unknown ** Changed in: xorg-server (Ubuntu) Status: New => Triaged ** Changed in: xorg-server (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1171342 Title: mouse scroll wheel not working in gedit & System Monitor Status in GTK+ GUI Toolkit: Fix Released Status in X.Org X server: Unknown Status in “gtk+3.0” package in Ubuntu: Fix Released Status in “xorg-server” package in Ubuntu: Triaged Bug description: Open System Monitor Using mouse wheel button - scroll up or down - list does not move. If Press the wheel button and then scroll up or down the list will move. This also occurs in Gedit. Firefox and Terminal work as expected. IE do not need to press the wheel and then scroll Linux kylea-hpxt 3.8.0-19-generic #29-Ubuntu SMP Wed Apr 17 18:16:28 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux Description: Ubuntu 13.04 Release: 13.04 To manage notifications about this bug go to: https://bugs.launchpad.net/gtk/+bug/1171342/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp