调用nanosleep后，系统就再也没有反应了，会是啥原因？

[noyzdw]

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

[dai_weitao]

死锁

[noyzdw]

能否详细赐教，这个函数如何造成死锁？

[yingle2000]

nanosleep (ffffffff7fffd800, 0)
ffffffff7fffd800，时间也太长了吧？当然不动了。

[AkingHK]

死锁