Syncing randomly stops without warning

I am using 64-bit headless rpm v1.3.5.36069 in openSUSE Leap 42.1. I’ve had the setup in place for weeks, and it’s been fine.

Recently, I’ve found that it stops syncing for no reason. Even after hours of standby, and forced syncs, nothing works.

Here is the terminal session. Restarting the program seems to work eventually, but no hints as to what’s broken…

theskuj@server:~/me@domain.com/Server/4 - Temp> dir
total 0
drwxrwxrwx 1 theskuj users 104 Jan 31 12:00 Alpha Mike
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_recent_changes
You modified sync_jay.txt
You renamed Romeo Mike to Alpha Mike
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_sync_progress
No syncing activities
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless force_sync me@domain.com
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_sync_progress
No syncing activities
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_file_status /home/theskuj/me@domain.com/Client\ Packages/Active/Alpha\ Mike/2016-01\ TTI\ Suite\ (AM).exe
UNKNOWN
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_sync_progress
No syncing activities
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_sync_progress
No syncing activities
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless force_sync me@domain.com
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_file_status /home/theskuj/me@domain.com/Client\ Packages/Active/Alpha\ Mike/2016-01\ TTI\ Suite\ (AM).exe
UNKNOWN
theskuj@server:~/me@domain.com/Server/4 - Temp> df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 2.0G 4.0K 2.0G 1% /dev
tmpfs 2.0G 0 2.0G 0% /dev/shm
tmpfs 2.0G 1.8M 2.0G 1% /run
tmpfs 2.0G 0 2.0G 0% /sys/fs/cgroup
/dev/sda2 58G 38G 20G 66% /

/dev/sdb1 22T 11T 11T 50% /mnt/raid
/dev/mapper/backup 1.8T 1.7T 54G 97% /mnt/backup
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_recent_changes
You modified sync_jay.txt
You renamed Romeo Mike to Alpha Mike
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_file_status /home/theskuj/me@domain.com/Client\ Packages/Active/Alpha\ Mike/2016-01\ TTI\ Suite\ (AM).exe
UNKNOWN
theskuj@server:~/me@domain.com/Server/4 - Temp>
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless quit
OK

theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless start
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_file_status /home/theskuj/me@domain.com/Client\ Packages/Active/Alpha\ Mike/2016-01\ TTI\ Suite\ (AM).exe
UNKNOWN
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_recent_changes
You modified sync_jay.txt
You renamed Romeo Mike to Alpha Mike
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless force_sync me@domain.com
theskuj@server:~/me@domain.com/Server/4 - Temp> insync-headless get_sync_progress
Uploading
2016-01 TTI Suite (SBP).zip (0% of 19.8 MB)
2016-01 TTI Suite (WMKL).exe (0% of 16.0 MB)
2016-01 TTI Suite (TTPC).zip (0% of 19.8 MB)
308 files queued
theskuj@server:~/me@domain.com/Server/4 - Temp>

@theskuj: Please send your logs to support@insynchq.com for investigation: How to find the log files.