a lot of php5-cgi segfault error 6, please help to solve

[koffu]

My error is below:

Code:

[3543243.190525] php5-cgi[6339]: segfault at 7fff8b3eceec ip 546a53 sp 7fff8b3ec
ec0 error 6 in php5-cgi[400000+508000]
[3543304.689875] php5-cgi[6941]: segfault at 7fff8b11dccc ip 546a53 sp 7fff8b11d
ca0 error 6 in php5-cgi[400000+508000]
[3543860.867644] php5-cgi[9701]: segfault at 7fffcc1d1fc8 ip 6d8a70 sp 7fffcc1d1
fd0 error 6 in php5-cgi[400000+508000]
[3543984.385036] php5-cgi[12395]: segfault at 7fff3c045e8c ip 546a53 sp 7fff3c04
5e60 error 6 in php5-cgi[400000+508000]
[3544169.116299] php5-cgi[31965]: segfault at 7fff716b9fd8 ip 6d8a70 sp 7fff716b
9fe0 error 6 in php5-cgi[400000+508000]
[3544540.210322] php5-cgi[31966]: segfault at 7fff7dbe8fc8 ip 629ace sp 7fff7dbe
8fd0 error 6 in php5-cgi[400000+508000]
[3544724.809361] php5-cgi[31974]: segfault at 7ffff5e12ff8 ip 64fdc0 sp 7ffff5e1
3028 error 6 in php5-cgi[400000+508000]
[3544909.917591] php5-cgi[12925]: segfault at 7fff9e585f6c ip 546a53 sp 7fff9e58
5f40 error 6 in php5-cgi[400000+508000]
[3545094.579594] php5-cgi[2686]: segfault at 7fffc91f2ff8 ip 64f24f sp 7fffc91f3
000 error 6 in php5-cgi[400000+508000]
[3545464.605399] php5-cgi[3345]: segfault at 7ffffc896eb8 ip 68e215 sp 7ffffc896
ec0 error 6 in php5-cgi[400000+508000]
[3545588.714691] php5-cgi[7440]: segfault at 7fff016e1cac ip 546a53 sp 7fff016e1
c80 error 6 in php5-cgi[400000+508000]
[3545711.492029] php5-cgi[5064]: segfault at 7fffc7940ee8 ip 62958a sp 7fffc7940
e80 error 6 in php5-cgi[400000+508000]