nginx 1.0.5 on redhat6.0 appear a serious bug

[Maxim Dounin]

Hello!

On Fri, Jul 22, 2011 at 08:34:16AM -0400, lys0212 wrote:

> Today i update nginx 1.0.0 to 1.0.5 on redhat 6.0 ,after 3 hours ,nginx
> don't work,but the nginx process still exist!
> The follow are from /var/log/message 
> ul 22 10:46:18 localhost xinetd[31385]: EXIT: nrpe status=0 pid=7404
> duration=1(sec)
> Jul 22 10:46:26 localhost kernel: nginx[24053]: segfault at 7fff32363148
> ip 00007fce2e08ffa7 sp 00007fff0a2dafc0 error 4 in libunwin
> d.so.7.0.0[7fce2e085000+f000]
> Jul 22 10:46:31 localhost abrt[7433]: saved core dump of pid 24053
> (/web/software/nginx/sbin/nginx) to /var/spool/abrt/ccpp-13113027
> 87-24053.new/coredump (271093760 bytes)
> Jul 22 10:46:31 localhost abrtd: Directory 'ccpp-1311302787-24053'
> creation detected
> Jul 22 10:46:31 localhost abrtd: Executable
> '/web/software/nginx/sbin/nginx' doesn't belong to any package
> 
> The follow are  from nginx error_log
> PROFILE: interrupts/evictions/bytes = 0/0/64
> 2011/07/22 10:49:18 [alert] 21864#0: worker process 24056 exited on
> signal 9

Are you using google perftools module?  Try without it, looks like 
problem in google perftools[1].

[1] http://code.google.com/p/google-perftools/issues/detail?id=151

Maxim Dounin