Android-Win Stuck at 0% sync

v1.10.0 SyncThing Fork on Android and v1.10.0 on Windows 10

Devices see each other but do not start syncronization.

Here is screenshots from PC

and log

[C6U6R] 11:44:49 INFO: Established secure connection to PCV5BWH at 192.168.100.91:22000-192.168.100.77:22000/tcp-server/TLS1.3-TLS_CHACHA20_POLY1305_SHA256 [C6U6R] 11:44:49 INFO: Device PCV5BWH client is “syncthing v1.10.0” named “Redmi 6 Pro” at 192.168.100.91:22000-192.168.100.77:22000/tcp-server/TLS1.3-TLS_CHACHA20_POLY1305_SHA256 [C6U6R] 11:44:58 INFO: Failed to exchange Hello messages with PCV5BWH at [fe80::d9fe:6a34:6182:c1d7%Ethernet]:22000-[fe80::a650:46ff:fe64:95dd%Ethernet]:22000/tcp-server/TLS1.3-TLS_CHACHA20_POLY1305_SHA256: EOF

Here is android:

I have tried to switch off NAT options, but that didnt helped

Does the scanning ever complete? If so, are there any failed items then?

Now scanning is always 0% I do now how to check failed items. In log it just a “2020-10-20 12:31:04 Failed initial scan of sendreceive folder “Павел. Мобильный” (redmi_6_pro_fwrc фото)”

If it logs “Failed initial scan” it shouldn’t show as “Scanning” in the GUI anymore. Plus there should be other errors logged before that line. Please post the full log from the PC.

Restart syncthing:,

[start] 12:39:11 INFO: syncthing v1.10.0 “Fermium Flea” (go1.15.2 windows-amd64) teamcity@build.syncthing.net 2020-09-15 17:38:23 UTC

[C6U6R] 12:39:12 INFO: My ID: C6U6RCY

[C6U6R] 12:39:13 INFO: Single thread SHA256 performance is 171 MB/s using minio/sha256-simd (137 MB/s using crypto/sha256).

[C6U6R] 12:39:13 INFO: Hashing performance is 154.93 MB/s

[C6U6R] 12:39:13 INFO: Overall send rate is unlimited, receive rate is unlimited

[C6U6R] 12:39:13 INFO: Using discovery mechanism: global discovery server ht~forum-dont-like-url~ttps://discovery.syncthing.net/v2/?noannounce&id=LYXKCHX

[C6U6R] 12:39:13 INFO: Using discovery mechanism: global discovery server ht~forum-dont-like-url~ttps://discovery-v4.syncthing.net/v2/?nolookup&id=LYXKCHX

[C6U6R] 12:39:13 INFO: Using discovery mechanism: global discovery server ht~forum-dont-like-url~tps://discovery-v6.syncthing.net/v2/?nolookup&id=LYXKCHX

[C6U6R] 12:39:13 INFO: Using discovery mechanism: IPv4 local broadcast discovery on port 21027

[C6U6R] 12:39:13 INFO: Using discovery mechanism: IPv6 local multicast discovery on address [ff12::8384]:21027

[C6U6R] 12:39:13 INFO: GUI and API listening on 127.0.0.1:8384 [C6U6R] 12:39:13 INFO: Access the GUI via the following URL: http://localhost:8384/

[C6U6R] 12:39:13 INFO: My name is “DESKTOP-HG612KU”

[C6U6R] 12:39:13 INFO: Device PCV5BWH is “Мой мобильник” at [dynamic]

[C6U6R] 12:39:13 INFO: Device R75KNJX is “Шалашино/ноут” at [dynamic]

[C6U6R] 12:39:13 INFO: Device 65B2MYR is “марина” at [dynamic]

[C6U6R] 12:39:13 INFO: Relay listener (dynamic+https://relays.syncthing.net/endpoint) starting

[C6U6R] 12:39:13 INFO: QUIC listener ([::]:22000) starting

[C6U6R] 12:39:13 INFO: TCP listener ([::]:22000) starting

[C6U6R] 12:39:13 INFO: Ready to synchronize “Павел. Мобильный” (redmi_6_pro_fwrc фото) (sendreceive)

[C6U6R] 12:39:14 INFO: Established secure connection to PCV5BWH at 192.168.100.91:22000-192.168.100.77:22000/tcp-client/TLS1.3-TLS_AES_128_GCM_SHA256

[C6U6R] 12:39:14 INFO: Device PCV5BWH client is “syncthing v1.10.0” named “Redmi 6 Pro” at 192.168.100.91:22000-192.168.100.77:22000/tcp-client/TLS1.3-TLS_AES_128_GCM_SHA256

[C6U6R] 12:40:01 INFO: Joined relay relay://45.89.67.200:22067’

It stoped at 0% scanning for several minutes, and then I pressed “pause”:

[C6U6R] 12:44:24 INFO: Failed initial scan of sendreceive folder “Павел. Мобильный” (redmi_6_pro_fwrc фото)

[C6U6R] 12:44:24 INFO: Connection to PCV5BWH at 192.168.100.91:22000-192.168.100.77:22000/tcp-client/TLS1.3-TLS_AES_128_GCM_SHA256 closed: pausing folder “Павел. Мобильный” (redmi_6_pro_fwrc фото)

[C6U6R] 12:44:24 INFO: Paused folder “Павел. Мобильный” (redmi_6_pro_fwrc фото)(sendreceive)

Log with verbose on. Looks like scaning is completed, but after that singthing declare scan is 0%

[start] 13:03:09 INFO: syncthing v1.10.0 "Fermium Flea" (go1.15.2 windows-amd64) teamcity@build.syncthing.net 2020-09-15 17:38:23 UTC
[C6U6R] 13:03:10 INFO: My ID: C6U6RCY
[C6U6R] 13:03:11 INFO: Single thread SHA256 performance is 158 MB/s using minio/sha256-simd (124 MB/s using crypto/sha256).
[C6U6R] 13:03:11 VERBOSE: Starting up (C:\Users\RedApe\AppData\Local\Syncthing)
[C6U6R] 13:03:11 INFO: Hashing performance is 148.23 MB/s
[C6U6R] 13:03:11 INFO: Overall send rate is unlimited, receive rate is unlimited
[C6U6R] 13:03:11 INFO: QUIC listener ([::]:22000) starting
[C6U6R] 13:03:11 INFO: TCP listener ([::]:22000) starting
[C6U6R] 13:03:11 INFO: Relay listener (dynamic+h++ps://relays.syncthing.net/endpoint) starting
[C6U6R] 13:03:11 VERBOSE: Listen address quic://0.0.0.0:22000 resolution has changed: lan addresses: [quic://0.0.0.0:22000 quic://192.168.100.91:22000] wan addresses: [quic://0.0.0.0:22000 quic://192.168.100.91:22000]
[C6U6R] 13:03:11 VERBOSE: Listen address tcp://0.0.0.0:22000 resolution has changed: lan addresses: [tcp://0.0.0.0:22000 tcp://192.168.100.91:22000] wan addresses: [tcp://0.0.0.0:0 tcp://0.0.0.0:22000 tcp://192.168.100.91:22000]
[C6U6R] 13:03:11 INFO: Using discovery mechanism: global discovery server h++ps://discovery.syncthing.net/v2/?noannounce&id=LYXKCHX
[C6U6R] 13:03:11 INFO: Using discovery mechanism: global discovery server h++ps://discovery-v4.syncthing.net/v2/?nolookup&id=LYXKCHX
[C6U6R] 13:03:11 INFO: Using discovery mechanism: global discovery server h++ps://discovery-v6.syncthing.net/v2/?nolookup&id=LYXKCHX
[C6U6R] 13:03:11 INFO: Using discovery mechanism: IPv4 local broadcast discovery on port 21027
[C6U6R] 13:03:11 INFO: Using discovery mechanism: IPv6 local multicast discovery on address [ff12::8384]:21027
[C6U6R] 13:03:11 INFO: GUI and API listening on 127.0.0.1:8384
[C6U6R] 13:03:11 INFO: Access the GUI via the following URL: http://localhost:8384/
[C6U6R] 13:03:11 INFO: My name is "DESKTOP-HG612KU"
[C6U6R] 13:03:11 INFO: Device PCV5BWH is "Мой мобильник" at [dynamic]
[C6U6R] 13:03:11 INFO: Device R75KNJX is "Шалашино/ноут" at [dynamic]
[C6U6R] 13:03:11 INFO: Device 65B2MYR is "марина" at [dynamic]
[C6U6R] 13:03:11 VERBOSE: Startup complete
[C6U6R] 13:03:11 INFO: Ready to synchronize "Павел. Мобильный" (redmi_6_pro_fwrc фото) (sendreceive)
[C6U6R] 13:03:11 VERBOSE: Folder "redmi_6_pro_fwrc фото" is now scan-waiting
[C6U6R] 13:03:11 VERBOSE: Folder "redmi_6_pro_fwrc фото" is now scanning
[C6U6R] 13:03:14 INFO: Established secure connection to PCV5BWH at 192.168.100.91:22000-192.168.100.77:22000/tcp-client/TLS1.3-TLS_AES_128_GCM_SHA256
[C6U6R] 13:03:14 INFO: Device PCV5BWH client is "syncthing v1.10.0" named "Redmi 6 Pro" at 192.168.100.91:22000-192.168.100.77:22000/tcp-client/TLS1.3-TLS_AES_128_GCM_SHA256
[C6U6R] 13:03:14 VERBOSE: Connected to device PCV5BWH at 192.168.100.77:22000 (type tcp-client)
[C6U6R] 13:03:16 VERBOSE: Summary for folder "redmi_6_pro_fwrc фото" is map[errors:0 globalBytes:11742389873 globalDeleted:2912 globalDirectories:26 globalFiles:6237 globalSymlinks:0 globalTotalItems:9175 inSyncBytes:128 inSyncFiles:0 localBytes:11354383203 localDeleted:2912 localDirectories:26 localFiles:6145 localSymlinks:0 localTotalItems:9083 needBytes:11742389745 needDeletes:0 needDirectories:25 needFiles:6237 needSymlinks:0 needTotalItems:6262 pullErrors:0 sequence:22250 state:scanning version:22250]
[C6U6R] 13:03:16 VERBOSE: Completion for folder "redmi_6_pro_fwrc фото" on device PCV5BWH is 100%
[C6U6R] 13:03:55 VERBOSE: Discovered device PCV5BWH at [tcp://192.168.100.77:22000 tcp://192.168.100.77:22000 tcp://192.168.100.77:0 tcp://192.168.100.77:50043 relay://86.57.146.90:22067/?id=HMJE6YP&pingInterval=1m0s&networkTimeout=2m0s&sessionLimitBps=0&globalLimitBps=1000000&statusAddr=:22070&providedBy=h++ps://kinergo.eu quic://192.168.100.77:22000 quic://192.168.100.77:22000 quic://178.126.30.101:22000]
[C6U6R] 13:03:55 VERBOSE: Discovered device PCV5BWH at [quic://[fe80::a650:46ff:fe64:95dd%25Ethernet]:22000 quic://192.168.100.77:22000 quic://178.126.30.101:22000 tcp://[fe80::a650:46ff:fe64:95dd%25Ethernet]:22000 tcp://192.168.100.77:22000 tcp://[fe80::a650:46ff:fe64:95dd%25Ethernet]:0 tcp://[fe80::a650:46ff:fe64:95dd%25Ethernet]:50043 relay://86.57.146.90:22067/?id=HMJE6YP&pingInterval=1m0s&networkTimeout=2m0s&sessionLimitBps=0&globalLimitBps=1000000&statusAddr=:22070&providedBy=h++ps://kinergo.eu]
[C6U6R] 13:04:00 INFO: Joined relay relay://212.25.15.128:22067
[C6U6R] 13:04:01 VERBOSE: Listen address dynamic+h++ps://relays.syncthing.net/endpoint resolution has changed: lan addresses: [relay://212.25.15.128:22067/?id=YRB2IWT&pingInterval=1m0s&networkTimeout=2m0s&sessionLimitBps=0&globalLimitBps=0&statusAddr=:22070&providedBy=anthonyuk.com] wan addresses: [relay://212.25.15.128:22067/?id=YRB2IWT&pingInterval=1m0s&networkTimeout=2m0s&sessionLimitBps=0&globalLimitBps=0&statusAddr=:22070&providedBy=anthonyuk.com]
[C6U6R] 13:04:24 VERBOSE: Scanning folder "redmi_6_pro_fwrc фото", 0% done (0.0 MiB/s)

Why do you think it’s completed? Those logs show that it started scanning and has not yet made any visible progress. You can enable scanner debug logging to see what exactly it is doing.

Somehow it starts working after I’ve added “.thumbnails” folder (app 4500 files) into ignore patterns.

Thanks for you help

Are you sure the folder is not set as send only?

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