Hi, I cannot have suspend and hibernate working on a Samsung NC10 (netbook) running CentOS 5.4 i386. When I try suspending/hibernating the screen becomes black (with a few logs, like "shrinking memory" for hibernate) and then the computer hangs and I have to force a shutdown with the power button. This wiki page seems to say that it should work out of the box: http://wiki.centos.org/HowTos/Laptops/Samsung/NC10 I tried to add the kernel arguments described here, to no avail: http://lists.centos.org/pipermail/centos/2007-June/040633.html Anyhow the problems doesn't seem to be the resume but rather getting into the suspended/hibernated state. When I log after a failed attempt, GNOME shows a popup saying that apparently we failed to recover from a suspend/hibernate state and that this may be a driver problem. A few more information about my settings which may be useful: - the root filesystem is installed on an LVM - I use the NetworkManager and not the network service - I disabled bluetooth (in order to remove all unused devices that may impact this problem) - [mbaudier at localhost ~]$ lshal | grep suspen org.freedesktop.Hal.Device.SystemPowerManagement.method_execpaths = {'hal-system-power-suspend', 'hal-system-power-suspend-clear-error', 'hal-system-power-hibernate', 'hal-system-power-hibernate-clear-error', 'hal-system-power-shutdown', 'hal-system-power-reboot', 'hal-system-power-set-power-save'} (string list) power_management.can_suspend_to_disk = true (bool) power_management.can_suspend_to_ram = true (bool) power_management.can_suspend = true (bool) Thanks in advance if somebody can tell me how I can analyse further / solve this. Cheers, Mathieu