NTP time sync in the future throws more into the future #8771
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smira
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The problem here is that `time.Duration` and `time.Time` types don't exactly match the NTP 64-bit time value, so the expected calculations for big time jumps (including across NTP eras) don't work properly. See: * https://www.eecis.udel.edu/~mills/y2k.html * https://www.eecis.udel.edu/~mills/time.html Ref: siderolabs/talos#8771 Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
beevik
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May 23, 2024
The problem here is that `time.Duration` and `time.Time` types don't exactly match the NTP 64-bit time value, so the expected calculations for big time jumps (including across NTP eras) don't work properly. See: * https://www.eecis.udel.edu/~mills/y2k.html * https://www.eecis.udel.edu/~mills/time.html Ref: siderolabs/talos#8771 Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
smira
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May 24, 2024
Logs:
```
[ 7.127481] [talos] adjusting time (jump) by -205704h26m36.111961385s via 162.159.200.1, state TIME_OK, status STA_NANO {"component": "controller-runtime", "controller":t}
```
Fix: beevik/ntp#47
Fixes: siderolabs#8771
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>#
smira
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May 28, 2024
Logs:
```
[ 7.127481] [talos] adjusting time (jump) by -205704h26m36.111961385s via 162.159.200.1, state TIME_OK, status STA_NANO {"component": "controller-runtime", "controller":t}
```
Fix: beevik/ntp#47
Fixes: siderolabs#8771
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
(cherry picked from commit 01ea820)
smira
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May 29, 2024
Logs:
```
[ 7.127481] [talos] adjusting time (jump) by -205704h26m36.111961385s via 162.159.200.1, state TIME_OK, status STA_NANO {"component": "controller-runtime", "controller":t}
```
Fix: beevik/ntp#47
Fixes: siderolabs#8771
Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
(cherry picked from commit 01ea820)
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Bug Report
Time before: 2047, time after 2160 🤯
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