<6>[42949476.010000] PM: Syncing filesystems ... done.
<7>[42949476.030000] PM: Preparing system for mem sleep
<7>[42949476.060000] PM: Entering mem sleep
<7>[42949476.260000] n516-keys 0-0054: msg: 0x16
<7>[42949476.270000] PM: Finishing wakeup.
<6>[42949479.520000] PM: Syncing filesystems ... done.
<7>[42949479.540000] PM: Preparing system for mem sleep
<7>[42949479.570000] PM: Entering mem sleep
<7>[42949479.770000] n516-keys 0-0054: msg: 0x16
<7>[42949479.780000] PM: Finishing wakeup.
<6>[42949481.590000] PM: Syncing filesystems ... done.
<7>[42949481.610000] PM: Preparing system for mem sleep
<4>[42949481.610000] Freezing user space processes ... <7>n516-keys 0-0054: msg: 0x16
<7>[42949481.650000] PM: Entering mem sleep
<7>[42949481.860000] n516-keys 0-0054: msg: 0x16
<7>[42949481.860000] PM: Finishing wakeup.
<6>[42949485.010000] PM: Syncing filesystems ... done.
<7>[42949485.030000] PM: Preparing system for mem sleep
<7>[42949485.060000] PM: Entering mem sleep