调用nanosleep后,系统就再也没有反应了,会是啥原因?解决方案

调用nanosleep后,系统就再也没有反应了,会是啥原因?
ffffffff7ddcd390   nanosleep   (ffffffff7fffd800,   0)
000000010006ae84   mmsg_expired_get_run_cpu_pef   (466de890,   0,   ffffffff7df02000,   0,   51,   ffffffff7b90043   +   3c4
000000010006afb4   mmsg_expired_update_cpu_state   (466de890,   0,   ffffffffffffffff,   fffffffffffffff8,   ffffffffffffffe0,   ffffffff7fffdc91
)   +   10
0000000100067a88   mmsg_expired_msg   (0,   1,   2710,   0,   0,   0)   +   58
0000000100068f30   mmsg_expired_timeout_func   (ffffffff7fffdf50,   ffffffff7fffdf50,   a,   100220f58,   ffffffff7fffdf28,   ffffffff7fffde8   +
40
00000001000f74e0   dpl_reactor_handle_events   (ffffffff7fffdf50,   a,   ffffffffffffffff,   fffffffffffffff8,   0,   ffffffff7fffe019)   +   1c8
0000000100069654   mmsg_expired_main   (7,   0,   ffffffff7fffe4f8,   0,   0,   100069524)   +   130
00000001000b9654   active_server_child_startup   (ffffffff7fffe380,   7,   0,   0,   ff00,   80808080)   +   ec
00000001000b97a0   dpl_active_server_startup   (ffffffff7fffe380,   0,   6,   100220ff0,   ffffffff7fffe348,   ffffffff7fffe380)   +   cc
00000001000b97e8   dpl_active_server_run   (ffffffff7fffe380,   ffffffffffffffff,   e,   5,   100069524,   0)   +   20
0000000100069950   mmsg_expired_module_main   (1003cc140,   e,   0,   fffffffffffffff8,   4,   0)   +   198
00000001000c0cd8   core_server_plus_module_startup   (ffffffff7fffec00,   1003c5b30,   e,   0,   ffffffff7df02000,   0)   +   1d0
00000001000c0e60   dpl_core_server_plus_startup   (ffffffff7fffec00,   1000c0750,   31,   1000e0c34,   ffffffff7dee4000,   1000)   +   d4
00000001000c0f60   dpl_core_server_plus_run   (ffffffff7fffec00,   ffffffffffffffff,   ffffffff7fffe7f0,   14,   0,   27)   +   d8
00000001000247d8   mmsg_run   (0,   4,   0,   10036f534,   ffffffff7dee4000,   1)   +   148
00000001000245c4   main   (1,   ffffffff7ffff6a8,   ffffffff7ffff6b8,   100370660,   100000000,   ffffffff7df00140)   +   3b0
00000001000240bc   _start   (0,   0,   0,   0,   0,   0)   +   7c  



------解决方案--------------------
没接触过
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