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uzbek-plus/logs/uart/b7c7-20261002-193049.log
q 8d7721c775 B7: add network time bootstrap and persistent B7C cache 
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).
2026-10-02 20:18:25 +03:00

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### uartlog start 2026-10-02T19:30:49.045405 /dev/ttyUSB0 115200 8N1
19:30:50.245 [1821]: <dbg> [1790958649.822691] [/dev/wwan0qmi0] received message...
19:30:50.245 <<<<<< RAW:
19:30:50.245 <<<<<< length = 22
19:30:50.245 <<<<<< data = <qmi-hex-redacted>
19:30:50.245
19:30:50.245 [1821]: <dbg> [1790958649.823782] [/dev/wwan0qmi0] received generic indication (translated)...
19:30:50.246 <<<<<< QMUX:
19:30:50.246 <<<<<< length = 21
19:30:50.246 <<<<<< flags = 0x80
19:30:50.246 <<<<<< service = "nas"
19:30:50.246 <<<<<< client = 1
19:30:50.246 <<<<<< QMI:
19:30:50.246 <<<<<< flags = "indication"
19:30:50.246 <<<<<< transaction = 16
19:30:50.246 <<<<<< tlv_length = 9
19:30:50.246 <<<<<< message = "Signal Info" (0x0051)
19:30:50.246 <<<<<< TLV:
19:30:50.246 <<<<<< type = "LTE Signal Strength" (0x14)
19:30:50.246 <<<<<< length = 6
19:30:50.246 <<<<<< value = <qmi-hex-redacted>
19:30:50.246 <<<<<< translated = [ rssi = '-67' rsrq = '-16' rsrp = '-101' snr = '-56' ]
19:30:50.246
19:30:50.246 [1821]: <dbg> [1790958649.828472] [modem0] RSSI (LTE): -67 dBm
19:30:50.446 [1821]: <dbg> [1790958649.828943] [modem0] RSSI: -67 dBm --> 75%
19:30:50.446 [1821]: <dbg> [1790958649.829707] [modem0] signal quality updated (75)
19:30:50.446 [1821]: <dbg> [1790958649.833637] [modem0] skipping extended signal information update...
19:31:03.050 [1821]: <dbg> [1790958662.573708] [/dev/wwan0qmi0] sent message...
19:31:03.050 <<<<<< RAW:
19:31:03.050 <<<<<< length = 20
19:31:03.050 <<<<<< data = <qmi-hex-redacted>
19:31:03.050
19:31:03.050 [1821]: <dbg> [1790958662.574718] [/dev/wwan0qmi0] sent generic request (translated)...
19:31:03.050 <<<<<< QMUX:
19:31:03.050 <<<<<< length = 19
19:31:03.050 <<<<<< flags = 0x00
19:31:03.050 <<<<<< service = "wds"
19:31:03.050 <<<<<< client = 2
19:31:03.050 <<<<<< QMI:
19:31:03.050 <<<<<< flags = "none"
19:31:03.050 <<<<<< transaction = 11
19:31:03.050 <<<<<< tlv_length = 7
19:31:03.050 <<<<<< message = "Get Packet Statistics" (0x0024)
19:31:03.050 <<<<<< TLV:
19:31:03.050 <<<<<< type = "Mask" (0x01)
19:31:03.050 <<<<<< length = 4
19:31:03.050 <<<<<< value = C0:00:00:00
19:31:03.050 <<<<<< translated = tx-bytes-ok, rx-bytes-ok
19:31:03.050
19:31:03.050 [1821]: <dbg> [1790958662.585762] [/dev/wwan0qmi0] received message...
19:31:03.050 <<<<<< RAW:
19:31:03.050 <<<<<< length = 42
19:31:03.050 <<<<<< data = <qmi-hex-redacted>
19:31:03.050
19:31:03.050 [1821]: <dbg> [1790958662.586892] [/dev/wwan0qmi0] received generic response (translated)...
19:31:03.050 <<<<<< QMUX:
19:31:03.050 <<<<<< length = 41
19:31:03.050 <<<<<< flags = 0x80
19:31:03.050 <<<<<< service = "wds"
19:31:03.050 <<<<<< client = 2
19:31:03.050 <<<<<< QMI:
19:31:03.050 <<<<<< flags = "response"
19:31:03.050 <<<<<< transaction = 11
19:31:03.050 <<<<<< tlv_length = 29
19:31:03.050 <<<<<< message = "Get Packet Statistics" (0x0024)
19:31:03.050 <<<<<< TLV:
19:31:03.050 <<<<<< type = "Result" (0x02)
19:31:03.050 <<<<<< length = 4
19:31:03.050 <<<<<< value = 00:00:00:00
19:31:03.051 <<<<<< translated = SUCCESS
19:31:03.051 <<<<<< TLV:
19:31:03.051 <<<<<< type = "Rx Bytes Ok" (0x1a)
19:31:03.051 <<<<<< length = 8
19:31:03.051 <<<<<< value = <qmi-hex-redacted>
19:31:03.251 <<<<<< translated = 2206
19:31:03.251 <<<<<< TLV:
19:31:03.251 <<<<<< type = "Tx Bytes Ok" (0x19)
19:31:03.251 <<<<<< length = 8
19:31:03.251 <<<<<< value = <qmi-hex-redacted>
19:31:03.251 <<<<<< translated = 1916
19:31:03.251
19:35:18.345
19:35:18.345 Format: Log Type - Time(microsec) - Message
19:35:18.345 Log type: B - since boot(excluding boot rom). D - delta
19:35:18.345 B - 121664 - SBL1, Start
19:35:18.345 B - 128588 - pm_device_init, Start
19:35:18.345 D - 11254 - pm_device_init, Delta
19:35:18.345 B - 139842 - boot_flash_init, Start
19:35:18.345 D - 0 - boot_flash_init, Delta
19:35:18.545 B - 143868 - boot_config_data_table_init, Start
19:35:18.545 D - 23180 - boot_config_data_table_init, Delta
19:35:18.545 B - 171745 - sbl1_ddr_set_params, Start
19:35:18.545 B - 173667 - Pre_DDR_clock_init, Start
19:35:18.545 D - 183 - Pre_DDR_clock_init, Delta
19:35:18.545 D - 0 - sbl1_ddr_set_params, Delta
19:35:18.545 B - 192577 - pm_driver_init, Start
19:35:18.545 B - 199988 - batt_voltage=4194
19:35:18.545 D - 7564 - pm_driver_init, Delta
19:35:18.545 B - 200202 - clock_init, Start
19:35:18.545 D - 30 - clock_init, Delta
19:35:18.545 B - 216153 - Image Load, Start
19:35:18.545 D - 31568 - QSEE Image Loaded, Delta
19:35:18.545 B - 248514 - sbl1_efs_handle_cookies, Start
19:35:18.545 D - 579 - sbl1_efs_handle_cookies, End
19:35:18.545 B - 253211 - Image Load, Start
19:35:18.545 D - 18452 - QHEE Image Loaded, Delta
19:35:18.545 B - 271694 - Image Load, Start
19:35:18.545 D - 10614 - RPM Image Loaded, Delta
19:35:18.545 B - 282308 - Image Load, Start
19:35:18.545 D - 20740 - APPSBL Image Loaded, Delta
19:35:18.545 B - 303078 - QSEE Execution, Start
19:35:18.545 D - 61 - QSEE Execution, Delta
19:35:18.545 B - 307318 - SBL1, End
19:35:18.545 D - 187911 - SBL1, Delta
19:35:18.746 Android Bootloader - UART_DM Initialized!!!
19:35:18.746 [0] welcome to lk
19:35:18.746
19:35:18.746 [10] platform_init()
19:35:18.746 [10] target_init()
19:35:18.746 [30] MMC card: H4G2a (0.2, 05 2002), manufacturer: 90, OEM: 14a, capacity: 3909091328 bytes
19:35:18.746 [30] SDHC Running in HS200 mode
19:35:18.746 [50] Done initialization of the card
19:35:18.746 [60] pm8x41_get_is_cold_boot: cold boot
19:35:18.746 [60] lk2nd_init()
19:35:18.746 [60] Failed to find matching lk2nd device node: -1
19:35:18.746 [80] fastboot_init()
19:35:18.746 [180] USB init ept @ 0x8f684000
19:35:18.946 [200] udc_start()
19:35:19.146 [400] -- reset --
19:35:19.146 [400] -- portchange --
19:35:19.346 [670] -- reset --
19:35:19.346 [670] -- portchange --
19:35:19.546 [790] -- reset --
19:35:19.547 [790] -- portchange --
19:35:19.547 [880] fastboot: processing commands
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