<6>[ 279.730000] PM: Syncing filesystems ... done. <7>[ 279.750000] PM: Preparing system for mem sleep <4>[ 279.750000] Freezing user space processes ... (elapsed 0.00 seconds) done. <4>[ 279.760000] Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done. <7>[ 279.770000] PM: Entering mem sleep <4>[ 279.770000] Suspending console(s) (use no_console_suspend to debug) <7>[ 279.780000] n516-keys 0-0054: msg: 0x16 <4>[ 279.780000] Put CPU into sleep mode. <7>[ 279.970000] n516-keys 0-0054: msg: 0x16 <7>[ 279.980000] PM: Finishing wakeup. <4>[ 279.980000] Restarting tasks ... done.