Hello, can you remove the following 2 packages : linux-tools http://aur.archlinux.org/packages.php?ID=50920 kernel26-tools http://aur.archlinux.org/packages.php?ID=46188 i remplaced it by perf (http://aur.archlinux.org/packages.php?ID=50926) Regards, -- Sébastien Luttringer www.seblu.net