[  848.407595] PM: Syncing filesystems ... done.
[  848.409415] PM: Preparing system for mem sleep
[  848.471653] Freezing user space processes ... 
[  868.476115] Freezing of tasks failed after 20.00 seconds (1 tasks refusing to freeze):
[  868.476190] ksysguardd    D 00000001     0  1501   1499 0x00800004
[  868.476203]  eae5be0c 00000086 00000000 00000001 eaece000 e029b034 c08c3700 c08c3700
[  868.476220]  8ce78e50 000000c5 c08c3700 c08c3700 00000000 000000c5 eae88400 c08c3700
[  868.476236]  c08c3700 ed59e580 00000000 eae5be18 ed530640 ed5306dc eae5be40 c02e906d
[  868.476251] Call Trace:
[  868.476270]  [<c02e906d>] request_wait_answer+0x6d/0x1f0
[  868.476283]  [<c0165e10>] ? autoremove_wake_function+0x0/0x50
[  868.476293]  [<c02e9256>] fuse_request_send+0x66/0x80
[  868.476302]  [<c02f12e7>] fuse_statfs+0xc7/0x150
[  868.476314]  [<c023b94d>] vfs_statfs+0x6d/0x80
[  868.476323]  [<c023ba30>] vfs_statfs64+0x20/0x40
[  868.476333]  [<c023bb2b>] sys_statfs64+0x5b/0x90
[  868.476345]  [<c05c9114>] syscall_call+0x7/0xb
[  868.476355]  [<c05c0000>] ? cpu_init+0x207/0x249
[  868.476401] 
[  868.476405] Restarting tasks ... done.
[  868.496595] video LNXVIDEO:00: Restoring backlight state
[  868.624060] Skipping EDID probe due to cached edid
[  868.726236] ADDRCONF(NETDEV_UP): eth0: link is not ready
[  870.898950] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro,commit=0