Why Gwan loop until die everyday

Why Gwan loop until die everyday

I had an issue on Gwan, which running my applications from day to day, but
it become unstable on every day 00:00, and it trying to restart itself,
looping until die
below is the trace log:
Wed, 21 Aug 2013 00:00:49 GMT: start
Wed, 21 Aug 2013 00:00:50 GMT: start
Wed, 21 Aug 2013 00:00:51 GMT: start
Wed, 21 Aug 2013 00:00:52 GMT: start
Wed, 21 Aug 2013 00:00:53 GMT: start
Wed, 21 Aug 2013 00:00:54 GMT: start
Wed, 21 Aug 2013 00:00:55 GMT: start...
And here the gwan.log
[Wed Aug 21 00:00:00 2013 GMT] memory footprint: 2.32 MiB.
[Wed Aug 21 00:00:00 2013 GMT] Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
[Wed Aug 21 00:00:00 2013 GMT] loaded index.c 15.10 KiB
MD5:6c5036c3-26aafd37-d9786ffc-65c09489
[Wed Aug 21 00:00:00 2013 GMT] memory footprint: 6.65 MiB.
[Wed Aug 21 00:00:01 2013 GMT] memory footprint: 2.32 MiB.
[Wed Aug 21 00:00:01 2013 GMT] Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
[Wed Aug 21 00:00:01 2013 GMT] loaded index.c 15.10 KiB
MD5:6c5036c3-26aafd37-d9786ffc-65c09489
[Wed Aug 21 00:00:01 2013 GMT] memory footprint: 6.66 MiB.
[Wed Aug 21 00:00:02 2013 GMT] memory footprint: 2.33 MiB.
[Wed Aug 21 00:00:02 2013 GMT] Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
[Wed Aug 21 00:00:02 2013 GMT] loaded index.c 15.10 KiB
MD5:6c5036c3-26aafd37-d9786ffc-65c09489
[Wed Aug 21 00:00:02 2013 GMT] memory footprint: 6.67 MiB.
[Wed Aug 21 00:00:03 2013 GMT] memory footprint: 2.34 MiB.
[Wed Aug 21 00:00:03 2013 GMT] Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
[Wed Aug 21 00:00:03 2013 GMT] loaded index.c 15.10 KiB
MD5:6c5036c3-26aafd37-d9786ffc-65c09489
[Wed Aug 21 00:00:03 2013 GMT] memory footprint: 6.68 MiB.
[Wed Aug 21 00:00:04 2013 GMT] memory footprint: 2.35 MiB.
[Wed Aug 21 00:00:04 2013 GMT] Host /opt/gwan/0.0.0.0_8080/#0.0.0.0
[Wed Aug 21 00:00:04 2013 GMT] loaded index.c 15.10 KiB
MD5:6c5036c3-26aafd37-d9786ffc-65c09489
[Wed Aug 21 00:00:04 2013 GMT] memory footprint: 6.67 MiB.
And Finally, terminated by itself
[Tue, 20 Aug 2013 00:15:21 GMT] * child died 3 times within 3 seconds
This happen on my XEN, so I try to test it on REAL machine, still got this
issue, any idea? (sorry for my poor english)