r8169 suspend fail

gistfile1.txt

[   92.305706] PM: Syncing filesystems ... done.
[   92.497504] PM: Preparing system for sleep (mem)
[   92.497719] Freezing user space processes ... 
[  112.507448] Freezing of tasks failed after 20.009 seconds (1 tasks refusing to freeze, wq_busy=0):
[  112.507478] systemd-udevd   D    0   301    288 0x00000104
[  112.507481] Call Trace:
[  112.507490]  __schedule+0x3cc/0x860
[  112.507492]  schedule+0x36/0x80
[  112.507495]  schedule_timeout+0x169/0x350
[  112.507498]  ? call_timer_fn+0x130/0x130
[  112.507500]  ? trace_event_raw_event_hrtimer_start+0xb0/0xb0
[  112.507502]  msleep+0x2e/0x40
[  112.507503]  ? msleep+0x2e/0x40
[  112.507509]  rtl_loop_wait+0x46/0xb0 [r8169]
[  112.507514]  rtl8168ep_stop_cmac+0x64/0xa0 [r8169]
[  112.507518]  rtl_init_one+0x47e/0x11f0 [r8169]
[  112.507519]  ? mutex_lock+0x12/0x40
[  112.507523]  local_pci_probe+0x45/0xa0
[  112.507525]  pci_device_probe+0x154/0x1a0
[  112.507528]  driver_probe_device+0x29c/0x450
[  112.507530]  __driver_attach+0xdf/0xf0
[  112.507532]  ? driver_probe_device+0x450/0x450
[  112.507533]  bus_for_each_dev+0x6c/0xc0
[  112.507535]  driver_attach+0x1e/0x20
[  112.507536]  bus_add_driver+0x170/0x260
[  112.507538]  driver_register+0x60/0xe0
[  112.507540]  ? 0xffffffffc07b5000
[  112.507542]  __pci_register_driver+0x4c/0x50
[  112.507545]  rtl8169_pci_driver_init+0x1e/0x1000 [r8169]
[  112.507548]  do_one_initcall+0x52/0x1b0
[  112.507550]  ? __vunmap+0x81/0xb0
[  112.507552]  ? kfree+0x14a/0x160
[  112.507554]  ? kmem_cache_alloc_trace+0x149/0x1a0
[  112.507556]  do_init_module+0x5f/0x209
[  112.507558]  load_module+0x1977/0x1dc0
[  112.507560]  ? ima_post_read_file+0x7e/0xa0
[  112.507563]  ? security_kernel_post_read_file+0x6b/0x80
[  112.507565]  SYSC_finit_module+0xe5/0x120
[  112.507567]  ? SYSC_finit_module+0xe5/0x120
[  112.507569]  SyS_finit_module+0xe/0x10
[  112.507571]  do_syscall_64+0x5b/0xc0
[  112.507573]  entry_SYSCALL64_slow_path+0x25/0x25
[  112.507574] RIP: 0033:0x7f66ac3cf259
[  112.507575] RSP: 002b:00007fff305e4ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[  112.507577] RAX: ffffffffffffffda RBX: 00005601236267b0 RCX: 00007f66ac3cf259
[  112.507578] RDX: 0000000000000000 RSI: 00007f66accec307 RDI: 000000000000000f
[  112.507579] RBP: 00007f66accec307 R08: 0000000000000000 R09: 0000000000000000
[  112.507579] R10: 000000000000000f R11: 0000000000000246 R12: 0000000000000000
[  112.507580] R13: 000056012362a920 R14: 0000000000020000 R15: 000056012345fcb8
[  112.507663] OOM killer enabled.
[  112.507664] Restarting tasks ... done.
[  112.520412] video LNXVIDEO:00: Restoring backlight state