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).
9 lines
951 B
Text
9 lines
951 B
Text
R2/T4 (2026-10-02 10:55 MSK): read-only eMMC snapshot — NOT EXECUTED on the board (no command channel).
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- CH340 TX -> board RX disconnected => no UART shell input.
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- Board RAM-Linux has no shell/listener over NCM; nc listeners are only ever started via UART.
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- Host NCM iface enp60s0u1u2u1 has no 172.16.42.2 (sudo needs password); 172.16.42.1 and ff02::1 don't answer.
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- Board's aurora-modem logged "usb0 ping lost" at 10:42:20 (same cause: host has no IPv4 on NCM) -> modem rollback (unrelated to R2).
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Partial T4(b) from existing UART log logs/uart/r2t3c-20261002-102255.log (C1–C6 boots, on 480s):
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- each boot: "mmc0: new HS200 MMC card at address 0001", H4G2a 3.64 GiB, "Card appears overclocked; req 177770000 Hz, actual 177777777 Hz" (benign rounding).
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- 0 mmc/sdhci error, timeout, CRC, or re-tuning lines in the kernel console during C1–C6 (boot + ~5–20 s runtime only).
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Not obtained: pre_eol_info, life_time, EXT_CSD[162], err_stats.
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