As a followup, I'm now seeing some regular segfaulting of Apache after some of the 'Cannot modify header information - headers already sent in Unknown on line 0" error that I keep getting in /var/log/httpd-error.log:
[Mon Jun 26 13:10:34 2006] [error] [client 70.246.222.74] PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0 [Mon Jun 26 13:10:34 2006] [error] [client 70.246.222.74] PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0 [Mon Jul 31 13:10:34 2006] [notice] child pid 75525 exit signal Segmentation fault (11)
[Thu Jun 15 13:24:45 2006] [error] [client 199.249.176.251] PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0 [Thu Jun 15 13:24:45 2006] [error] [client 199.249.176.251] PHP Warning: Cannot modify header information - headers already sent in Unknown on line 0 [Mon Jul 31 13:24:45 2006] [notice] child pid 75657 exit signal Segmentation fault (11)
This is on Apache 2.0.58 with php5-5.1.4 - FreeBSD 6.0
http://fak3r.com - you don't have to kick it