Whats this??

Jul 31 02:04:33 argentina2 kernel: php[23170]: segfault at 0000007fbf5ffc78 rip 0000003702640423 rsp 0000007fbf5ffc80 error 6
Jul 31 02:52:20 argentina2 kernel: php[700]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 09:03:30 argentina2 kernel: php[5377]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 10:20:48 argentina2 kernel: php[1174]: segfault at 0000007fbf5ffd28 rip 0000003702640423 rsp 0000007fbf5ffd30 error 6
Jul 31 10:30:59 argentina2 kernel: php[7183]: segfault at 0000007fbf5ffce8 rip 0000003702640423 rsp 0000007fbf5ffcf0 error 6
Jul 31 11:54:31 argentina2 kernel: php[27726]: segfault at 0000007fbf5ffcc8 rip 0000003702640423 rsp 0000007fbf5ffcd0 error 6
Jul 31 12:03:18 argentina2 kernel: php[544]: segfault at 0000007fbf5ffce8 rip 0000003702640423 rsp 0000007fbf5ffcf0 error 6
Jul 31 13:39:09 argentina2 kernel: php[11490]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 13:40:00 argentina2 kernel: php[13487]: segfault at 0000007fbf5ffcd8 rip 0000003702640423 rsp 0000007fbf5ffce0 error 6
Jul 31 15:01:50 argentina2 kernel: php[21393]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 15:38:29 argentina2 kernel: php[8806]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 15:49:58 argentina2 kernel: php[16099]: segfault at 0000007fbf5ffc78 rip 0000003702640423 rsp 0000007fbf5ffc80 error 6
Jul 31 15:55:13 argentina2 kernel: php[20302]: segfault at 0000007fbf5ffc58 rip 0000003702640423 rsp 0000007fbf5ffc60 error 6
Jul 31 17:11:38 argentina2 kernel: php[605]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 17:34:27 argentina2 kernel: php[12944]: segfault at 0000007fbf5ffc78 rip 0000003702640423 rsp 0000007fbf5ffc80 error 6
Jul 31 17:53:49 argentina2 kernel: php[23368]: segfault at 0000007fbf5ffd98 rip 0000003702640423 rsp 0000007fbf5ffda0 error 6
Jul 31 17:54:39 argentina2 kernel: php[25526]: segfault at 0000007fbf5ffcd8 rip 0000003702640423 rsp 0000007fbf5ffce0 error 6
Jul 31 18:37:55 argentina2 kernel: php[17586]: segfault at 0000007fbf5ffe88 rip 00000037026298f5 rsp 0000007fbf5ffe90 error 6
Jul 31 18:47:52 argentina2 kernel: php[22909]: segfault at 0000007fbf5ffa28 rip 00000037026298f5 rsp 0000007fbf5ffa30 error 6
Jul 31 18:49:28 argentina2 kernel: php[25316]: segfault at 0000007fbf5ffa68 rip 00000037026298f5 rsp 0000007fbf5ffa70 error 6
Jul 31 19:32:24 argentina2 kernel: php[10585]: segfault at 0000007fbf5ffcc8 rip 0000003702640423 rsp 0000007fbf5ffcd0 error 6
Jul 31 20:03:36 argentina2 kernel: php[22498]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6
Jul 31 20:06:22 argentina2 kernel: php[25008]: segfault at 0000007fbf5ffcb8 rip 0000003702640423 rsp 0000007fbf5ffcc0 error 6
Jul 31 20:07:28 argentina2 kernel: php[27061]: segfault at 0000007fbf5ffc78 rip 0000003702640423 rsp 0000007fbf5ffc80 error 6
Jul 31 20:24:45 argentina2 kernel: php[3274]: segfault at 0000007fbf5ffc58 rip 0000003702640423 rsp 0000007fbf5ffc60 error 6
Jul 31 20:34:40 argentina2 kernel: php[8981]: segfault at 0000007fbf5ffce8 rip 0000003702640423 rsp 0000007fbf5ffcf0 error 6
Jul 31 20:46:38 argentina2 kernel: php[14785]: segfault at 0000007fbf5ffce8 rip 0000003702640423 rsp 0000007fbf5ffcf0 error 6
Jul 31 21:11:11 argentina2 kernel: php[24618]: segfault at 0000007fbf5ffd18 rip 0000003702640423 rsp 0000007fbf5ffd20 error 6
Jul 31 21:55:19 argentina2 kernel: php[6185]: segfault at 0000007fbf5ffcf8 rip 0000003702640423 rsp 0000007fbf5ffd00 error 6


Could it be a memory issue?

PHP 4.4.4 (cli) (built: Feb 7 2007 10:12:36)
Copyright (c) 1997-2006 The PHP Group
Zend Engine v1.3.0, Copyright (c) 1998-2004 Zend Technologies
with Zend Extension Manager v1.0.10, Copyright (c) 2003-2006, by Zend Technologies
with Zend Optimizer v3.0.1, Copyright (c) 1998-2006, by Zend Technologies

2.6.9-55.ELsmp #1 SMP Wed May 2 14:04:42 EDT 2007 x86_64 x86_64 x86_64 GNU/Linux

Thanks!