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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attempt start# start class sblS pm_device cdt pm_driver sbl_end sbl_delta batt sbl1End lk linux stage result autoreset rtc 807 808 80a 80c 80d note
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D1 1 011748 A 123891 11285 23180 7564 309453 187819 4198 yes yes yes linux_init PASS no 3 c8 10 00 00 00 PON captured
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D2 1 011948 A 123311 11254 23210 7564 308812 187758 4199 yes yes no lk_target_init FAIL yes 14.8s - - - - - - lk panic: eMMC CID timeout, mmc init failed (panic 01:19:48.966, reset 01:20:03.772), auto-reset -> next start #2
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D2 2 012003 B 156892 11773 23180 7564 345016 190381 4198 yes yes yes linux_init PASS no 18 c8 10 02 00 00 FOLLOW-UP start after auto-reset; PON captured
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D3a 1 012202 A 124135 11254 23210 7564 309941 188063 4198 yes no no sbl1_end FAIL no - - - - - - hang after SBL1 End (last 01:22:03.135), no reset in 120 s; ended by user power-off; GND wire detached during this attempt -> confounded
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D3b 1 012454 A 124989 11254 23149 7564 310612 187911 4197 yes yes yes linux_init PASS no 3 c8 10 00 00 00 repeat of D3 after GND re-soldered; PON captured manually (watcher had exited); 0909=0e
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