ntp_gettime() 返回代码 5

ntp_gettime() 返回代码 5

我正在尝试使用以下命令同步 ubuntu 服务器上的时钟:

$sudo apt-get install ntp
$sudo service ntp stop
$sudo ntpd -gq
$sudo service ntp start   

但无论如何它给了我:

$sudo ntptime
ntp_gettime() returns code 5 (ERROR)
  time dd8ee7a9.ff3c9258  Mon, Oct 16 2017  8:09:13.997, (.997018034),
  maximum error 16000000 us, estimated error 16000000 us, TAI offset 0
ntp_adjtime() returns code 5 (ERROR)
  modes 0x0 (),
  offset 0.000 us, frequency 275.646 ppm, interval 1 s,
  maximum error 16000000 us, estimated error 16000000 us,
  status 0x2041 (PLL,UNSYNC,NANO),
  time constant 3, precision 0.001 us, tolerance 500 ppm,

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