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

[koffu]

Greetings!

One of our servers put on console a lot of errors, logs are clear. Help me please troubleshoot a source of problem.OS Debian lenny, 2.6.26-2-amd64, ISPCP Version = 1.0.5 OMEGA

Code:

Aug 21 06:29:02 web kernel: [3443267.045283] php5-cgi[428]: segfault at 7fffff7fde1c ip 5468d3 sp 7fffff7fddf0 error 6 in php5-cgi[400000+506000]
Aug 21 06:56:26 web kernel: [3444913.949631] php5-cgi[31039]: segfault at 7fffff7fefc8 ip 6d6ed0 sp 7fffff7fefd0 error 6 in php5-cgi[400000+506000]
Aug 21 07:32:02 web kernel: [3447053.003968] php5-cgi[7772]: segfault at 7fffff7fecbc ip 5468d3 sp 7fffff7fec90 error 6 in php5-cgi[400000+506000]
Aug 21 08:01:15 web kernel: [3448808.775623] php5-cgi[8847]: segfault at 7fffff7feee8 ip 6279ea sp 7fffff7fee80 error 6 in php5-cgi[400000+506000]
Aug 21 08:30:28 web kernel: [3450563.685467] php5-cgi[13198]: segfault at 7fffff7feabc ip 5468d3 sp 7fffff7fea90 error 6 in php5-cgi[400000+506000]