I used the Installer of Gitlab CE and so far everything looks well. Then when finished the installation I always got 502 Error on my website, since then I did a little research, then I saw that my gitlab service unicorn restarts/crashes every 10 seconds, so I assume this is the reason why I get 502, but I don't know why it crashes all the time. How can I prevent this? I'm using Debian 7.6 and the newest gitlab version

run: nginx: (pid 4919) 953s; run: log: (pid 2236) 1642s
run: postgresql: (pid 2239) 1642s; run: log: (pid 2238) 1642s
run: redis: (pid 2233) 1642s; run: log: (pid 2232) 1642s
run: sidekiq: (pid 3323) 1332s; run: log: (pid 2230) 1642s
run: unicorn: (pid 8153) 2s; run: log: (pid 2234) 1642s