On Mon, Jan 13, 2014 at 9:09 AM, Patrick Begou <Patrick.Begou at legi.grenoble-inp.fr> wrote: > I need some help about kernels, modules and so on. > > I've installed CentOS6.5 (fresh install) on a DELL E7440 laptop. After all the > updates I get the latest kernel: kernel-2.6.32-431. > > But with this config I've a problem: If I close the screen on the keyboard, the > laptop hibernate. When I open it the system restart (I connect use ssh to reach > the laptop) but the screen remains black (Intel HD Graphics 4400). > > I've installed a more recent kernel from elrepo-kernel > (kernel-lt-3.10.26-1.el6.elrepo.x86_64) and it solves the black screen problem. > > But now I have several errors about > => kdump, > Starting kdump: ÉCHOUÉ > => vboxdrv > Starting VirtualBox kernel modules ÉCHOUÉ > (modprobe vboxdrv failed. Please use 'dmesg' to find out why) > => dkms (requested for VirtualBox) > Démarrage de dkms : Error! > Your kernel headers for kernel 3.10.26-1.el6.elrepo.x86_64 cannot be found at > /lib/modules/3.10.26-1.el6.elrepo.x86_64/build or > /lib/modules/3.10.26-1.el6.elrepo.x86_64/source. > > but kernel-lt-headers cannot be installed (conflicting with the installed > kernel-headers requested by many packages). You need the kernel-devel package (not -headers) that matches your running kernel. Akemi