ENVIRONMENT and STATS
For syncing clients:

Chromium	53.0.2785.143 (Developer Build) Built on Ubuntu , running on Ubuntu 16.04 (64-bit)

From about:sync, copy/paste the tab contents here, or select the Data tab
and click [Dump sync events to text].
attached as "sync-Data dump.txt"


REPORT STEPS

(1)	log in to Chromium from chrome://settings/->sign in
(2)	enter encryption passphrase
(3)	exit Chromium
(4)	restart (or shut-down) the computer
(5)	start Chromium again

ACTUAL RESULTS
you should do step 1 and 2 again after computer reboot or shut-down in order to you chromium sync your data (bookmark,saved password ,...)

EXPECTED RESULTS
before, I sync all my data with out re-enter my gmail password and sync passphrase

ADDITIONAL INFO

I install Chromium using this command:
	apt-get install chromium-browser
but now I see that it is not stable build

after every log in, I should re enter my gmail password and sync passphrase.
but in windows or my previous linux(Ubuntu 14.04 LTS), there was no need to do so.

Attach Contents:
1-6:
screenshots from steps should I do every time

sync-Data dump.txt:
about:sync -> data tab dump`
 

Deleted: Screenshots.zip 145 KB

Screenshots.zip 145 KB Download