8d7721c775
B7A: QMI DMS time vs VNIIFTRI NTP (DMS = UTC - 0.28 s, sigma 1 ms; NITZ = DMS truncated to 1 s). B7B: a 1970 -> 2026 date -s step is harmless for the modem stack. B7C: aurora-modem probes DMS/NITZ along the start flow and steps CLOCK_REALTIME once at the first valid sample (REG registered/attached), never RTC; background SNTP check (query only) after START OK. 3/3 class-A cold boots PASS (residual +0.04/+0.36/+0.84 s), cache 14fe453a written (B7C_WRITE_VERIFIED) and verified by a normal power-on (V1, +0.26 s). Also publishes the prerequisite R2 (boot-hang / lk eMMC investigation, T4 telnet baseline that B7C builds on) and R3 (autonomous cold boot, NCM loss) material, and extends tools/publish-sanitize.py to r2/, r3/, b7/. Binary images, initramfs, busybox and raw logs stay out (see b7/*/SHA256SUMS).
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37 lines
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~ # [6nmv /tmp/b7/bb /tmp/b7/busybox; B=/tmp/b7/busybox; $B ntpd --help 2>&1 | head
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-6; $B adjtimex | grep time.tv
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BusyBox v1.37.0 (2025-11-21 22:40:56 UTC) multi-call binary.
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Usage: ntpd [-dnqNwl] [-I IFACE] [-S PROG] [-k KEYFILE] [-p [keyno:N:]PEER]...
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NTP client/server
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time.tv_sec: 2240
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time.tv_usec: 784967
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~ # for ip in 89.109.251.21 89.109.251.22 89.109.251.23; do ip route add $ip/32
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dev wwan0 src 10.41.212.24 && echo "ROUTE-ADD $ip ok"; done; ip route | grep 89.
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109
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ROUTE-ADD 89.109.251.21 ok
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ROUTE-ADD 89.109.251.22 ok
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ROUTE-ADD 89.109.251.23 ok
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89.109.251.21 dev wwan0 scope link src 10.41.212.24
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89.109.251.22 dev wwan0 scope link src 10.41.212.24
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89.109.251.23 dev wwan0 scope link src 10.41.212.24
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~ # $B adjtimex | grep time.tv; timeout 15 $B ntpd -w -d -p 89.109.251.21 2>&1;
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$B adjtimex | grep time.tv; echo B7A2-END
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time.tv_sec: 2240
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time.tv_usec: 820330
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ntpd: sending query to 89.109.251.21
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ntpd: reply from 89.109.251.21: offset:+1790931373.382626 delay:0.191516 status:0x24 strat:1 refid:0x49525446 rootdelay:0.000000 reach:0x01
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ntpd: sending query to 89.109.251.21
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ntpd: reply from 89.109.251.21: offset:+1790931373.320223 delay:0.060780 status:0x24 strat:1 refid:0x49525446 rootdelay:0.000000 reach:0x03
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ntpd: sending query to 89.109.251.21
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ntpd: reply from 89.109.251.21: offset:+1790931373.319707 delay:0.059867 status:0x24 strat:1 refid:0x49525446 rootdelay:0.000000 reach:0x07
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ntpd: sending query to 89.109.251.21
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ntpd: reply from 89.109.251.21: offset:+1790931373.324549 delay:0.067331 status:0x24 strat:1 refid:0x49525446 rootdelay:0.000000 reach:0x0f
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Terminated
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time.tv_sec: 2255
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time.tv_usec: 838301
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B7A2-END
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~ # [6n |