Server not going to sleep

Hello guys, any idea why my server is not going to sleep? Before everything was fine, i didn't change anything in BIOS, i didn't sleep my server for a while...

But something is wrong now

ec 5 16:22:52 Fortress s3_sleep: Enter sleep mode
Dec 5 16:22:52 Fortress kernel: PM: suspend entry (deep)
Dec 5 16:22:52 Fortress kernel: Filesystems sync: 0.019 seconds
Dec 5 16:23:12 Fortress kernel: Freezing user space processes ...
Dec 5 16:23:12 Fortress kernel: Freezing of tasks failed after 20.002 seconds (1 tasks refusing to freeze, wq_busy=0):
Dec 5 16:23:12 Fortress kernel: minidlnad D 0 15625 15623 0x00004324
Dec 5 16:23:12 Fortress kernel: Call Trace:
Dec 5 16:23:12 Fortress kernel: __schedule+0x458/0x49e
Dec 5 16:23:12 Fortress kernel: schedule+0x77/0xa0
Dec 5 16:23:12 Fortress kernel: io_schedule+0xd/0x2e
Dec 5 16:23:12 Fortress kernel: wait_on_page_bit_common+0x184/0x22a
Dec 5 16:23:12 Fortress kernel: ? __filemap_set_wb_err+0x9/0x9
Dec 5 16:23:12 Fortress kernel: generic_file_buffered_read+0x1ab/0x4fd
Dec 5 16:23:12 Fortress kernel: fuse_file_read_iter+0x95/0x114
Dec 5 16:23:12 Fortress kernel: ? _copy_to_user+0x2d/0x34
Dec 5 16:23:12 Fortress kernel: new_sync_read+0x77/0xad
Dec 5 16:23:12 Fortress kernel: vfs_read+0xc6/0x103
Dec 5 16:23:12 Fortress kernel: ksys_read+0x71/0xba
Dec 5 16:23:12 Fortress kernel: do_syscall_64+0x7a/0x94
Dec 5 16:23:12 Fortress kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9
Dec 5 16:23:12 Fortress kernel: RIP: 0033:0x147055c8dfd2
Dec 5 16:23:12 Fortress kernel: Code: Unable to access opcode bytes at RIP 0x147055c8dfa8.
Dec 5 16:23:12 Fortress kernel: RSP: 002b:00007ffeb349a998 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
Dec 5 16:23:12 Fortress kernel: RAX: ffffffffffffffda RBX: 000055b44b84b900 RCX: 0000147055c8dfd2
Dec 5 16:23:12 Fortress kernel: RDX: 0000000000008000 RSI: 000055b44b545400 RDI: 0000000000000005
Dec 5 16:23:12 Fortress kernel: RBP: 000055b44b545400 R08: 0000000000008000 R09: 0000000000000000
Dec 5 16:23:12 Fortress kernel: R10: 000014705607b320 R11: 0000000000000246 R12: 0000000000008000
Dec 5 16:23:12 Fortress kernel: R13: 000055b44b31dcb0 R14: 00001470560a4870 R15: 0000000000000005
Dec 5 16:23:12 Fortress kernel: OOM killer enabled.
Dec 5 16:23:12 Fortress kernel: Restarting tasks ... done.
Dec 5 16:23:12 Fortress kernel: video LNXVIDEO:00: Restoring backlight state
Dec 5 16:23:12 Fortress kernel: PM: suspend exit
Dec 5 16:23:12 Fortress s3_sleep: Wake-up from sleep mode