https://issues.apache.org/bugzilla/show_bug.cgi?id=46671
Summary: Apache periodicaly crashes .
Product: Apache httpd-2
Version: 2.2.11
Platform: PC
URL: http://no.url
OS/Version: FreeBSD
Status: NEW
Severity: critical
Priority: P2
Component: worker
AssignedTo: [email protected]
ReportedBy: [email protected]
FreeBSD 7.0 with PAE.
cimpiled with libpth (with pthread more problems, but i didn't fix it)
After start Apache working up to some hours and got Segmentation fault error in
logs.
[Sat Feb 07 19:46:50 2009] [notice] Apache/2.2.11 (Unix) PHP/5.2.8 configured
-- resuming normal operations
[Sat Feb 07 20:23:28 2009] [notice] child pid 51670 exit signal Segmentation
fault (11)
[Sat Feb 07 20:39:34 2009] [notice] caught SIGTERM, shutting down
[Sat Feb 07 20:40:02 2009] [notice] Apache/2.2.11 (Unix) PHP/5.2.8 configured
-- resuming normal operations
[Sat Feb 07 20:41:25 2009] [notice] child pid 55560 exit signal Segmentation
fault (11)
After each segfault one of server died and didn't start. Its look in server
-status like this:
BEFORE:
R__R_C___R__RR___RR______R_RR_R____W____C___C_____R___________R_
____R___RR__C___C______CCR__R___R___RR____C_R___C______WR___RR_W
_C____C__RR___RCC___R_RR_RR_______R_____R_____CC__RC______C____R
__RRW__RR__C_____R__C_R_R___C_C__R___R_R_W____WR____RC__R_C_C_W_
_W_______R_______RW__RW___C_______RR_R_R____R_R_R___WR_WCC___RR_
_______C__R____R__R______R____R___R________C_RRCC______R__R__R__
C___R_____W____R_W__C_C_____C_RC_______RRR_R_C___RC_R______R__W_
__RW_R_____CW_R_RR_C_R_W_R___R____R____R_R__C___C___W__R________
__C__RR____________R____WC______C____C__R_R_CW______C____R__C__R
RWC__R_______C___________W___C___R____R__R_R_RR____RWC_W__RR__R_
AFTER first sighfault:
R__R_C___R__RR___RR______R_RR_R____W____C___C_____R___________R_
____R___RR__C___C______CCR__R___R___RR____C_R___C______WR___RR_W
_C____C__RR___RCC___R_RR_RR_______R_____R_____CC__RC______C____R
................................................................
__RRW__RR__C_____R__C_R_R___C_C__R___R_R_W____WR____RC__R_C_C_W_
_W_______R_______RW__RW___C_______RR_R_R____R_R_R___WR_WCC___RR_
_______C__R____R__R______R____R___R________C_RRCC______R__R__R__
C___R_____W____R_W__C_C_____C_RC_______RRR_R_C___RC_R______R__W_
__RW_R_____CW_R_RR_C_R_W_R___R____R____R_R__C___C___W__R________
__C__RR____________R____WC______C____C__R_R_CW______C____R__C__R
RWC__R_______C___________W___C___R____R__R_R_RR____RWC_W__RR__R_
AFTER second sighfault:
R__R_C___R__RR___RR______R_RR_R____W____C___C_____R___________R_
____R___RR__C___C______CCR__R___R___RR____C_R___C______WR___RR_W
_C____C__RR___RCC___R_RR_RR_______R_____R_____CC__RC______C____R
................................................................
__RRW__RR__C_____R__C_R_R___C_C__R___R_R_W____WR____RC__R_C_C_W_
_W_______R_______RW__RW___C_______RR_R_R____R_R_R___WR_WCC___RR_
................................................................
_______C__R____R__R______R____R___R________C_RRCC______R__R__R__
C___R_____W____R_W__C_C_____C_RC_______RRR_R_C___RC_R______R__W_
__RW_R_____CW_R_RR_C_R_W_R___R____R____R_R__C___C___W__R________
__C__RR____________R____WC______C____C__R_R_CW______C____R__C__R
RWC__R_______C___________W___C___R____R__R_R_RR____RWC_W__RR__R_
When maximum of allowed server (ServerLimit) is reached (with dead lines)-
apache died. For each of segfault I got a apache core.
Core was generated by `httpd'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libm.so.5...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /usr/local/lib/libaprutil-1.so.3...done.
Loaded symbols for /usr/local/lib/libaprutil-1.so.3
Reading symbols from /usr/local/lib/libexpat.so.1...done.
Loaded symbols for /usr/local/lib/libexpat.so.1
Reading symbols from /usr/local/lib/libapr-1.so.3...done.
Loaded symbols for /usr/local/lib/libapr-1.so.3
Reading symbols from /lib/libcrypt.so.4...done.
Loaded symbols for /lib/libcrypt.so.4
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /usr/local/libexec/apache2/mod_authz_host.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_authz_host.so
Reading symbols from /usr/local/libexec/apache2/mod_env.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_env.so
Reading symbols from /usr/local/libexec/apache2/mod_headers.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_headers.so
Reading symbols from /usr/local/libexec/apache2/mod_setenvif.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_setenvif.so
Reading symbols from /usr/local/libexec/apache2/mod_mime.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_mime.so
Reading symbols from /usr/local/libexec/apache2/mod_status.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_status.so
Reading symbols from /usr/local/libexec/apache2/mod_cgi.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_cgi.so
Reading symbols from /usr/local/libexec/apache2/mod_negotiation.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_negotiation.so
Reading symbols from /usr/local/libexec/apache2/mod_dir.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_dir.so
Reading symbols from /usr/local/libexec/apache2/mod_actions.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_actions.so
Reading symbols from /usr/local/libexec/apache2/mod_alias.so...done.
Loaded symbols for /usr/local/libexec/apache2/mod_alias.so
Reading symbols from /usr/local/libexec/apache2/libphp5.so...done.
Loaded symbols for /usr/local/libexec/apache2/libphp5.so
Reading symbols from /usr/local/lib/mysql/libmysqlclient_r.so.15...done.
Loaded symbols for /usr/local/lib/mysql/libmysqlclient_r.so.15
Reading symbols from /usr/local/lib/libfreetype.so.9...done.
Loaded symbols for /usr/local/lib/libfreetype.so.9
Reading symbols from /usr/local/lib/libpng.so.5...done.
Loaded symbols for /usr/local/lib/libpng.so.5
Reading symbols from /lib/libz.so.4...done.
Loaded symbols for /lib/libz.so.4
Reading symbols from /usr/local/lib/libjpeg.so.9...done.
Loaded symbols for /usr/local/lib/libjpeg.so.9
Reading symbols from /usr/local/lib/libcurl.so.4...done.
Loaded symbols for /usr/local/lib/libcurl.so.4
Reading symbols from /usr/lib/libssl.so.5...done.
Loaded symbols for /usr/lib/libssl.so.5
Reading symbols from /lib/libcrypto.so.5...done.
Loaded symbols for /lib/libcrypto.so.5
Reading symbols from /usr/local/lib/libxml2.so.5...done.
Loaded symbols for /usr/local/lib/libxml2.so.5
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from
/usr/local/lib/php/extensions/no-debug-zts-20060613/eaccelerator.so...done.
Loaded symbols for
/usr/local/lib/php/extensions/no-debug-zts-20060613/eaccelerator.so
Reading symbols from
/usr/local/lib/php/extensions/no-debug-zts-20060613/imagick.so...done.
Loaded symbols for
/usr/local/lib/php/extensions/no-debug-zts-20060613/imagick.so
Reading symbols from /usr/local/lib/libMagickWand.so.2...done.
Loaded symbols for /usr/local/lib/libMagickWand.so.2
Reading symbols from /usr/local/lib/libMagickCore.so.2...done.
Loaded symbols for /usr/local/lib/libMagickCore.so.2
Reading symbols from /usr/lib/libbz2.so.3...done.
Loaded symbols for /usr/lib/libbz2.so.3
Reading symbols from /usr/lib/libgomp.so.1...done.
Loaded symbols for /usr/lib/libgomp.so.1
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0 0x28163188 in sem_init () from /lib/libthr.so.3
[New Thread 0x28301100 (LWP 100564)]
(gdb) thread apply all bt full
Thread 1 (Thread 0x28301100 (LWP 100564)):
#0 0x28163188 in sem_init () from /lib/libthr.so.3
No symbol table info available.
#1 0x282fc5b9 in GOMP_ordered_start () from /usr/lib/libgomp.so.1
No symbol table info available.
#2 0x282fd145 in omp_get_nested () from /usr/lib/libgomp.so.1
No symbol table info available.
#3 0x280c63f4 in ?? () from /libexec/ld-elf.so.1
No symbol table info available.
#4 0x280cefc0 in ?? ()
No symbol table info available.
#5 0xbf7fe9f8 in ?? ()
No symbol table info available.
#6 0x282f9bc1 in ?? () from /usr/lib/libgomp.so.1
No symbol table info available.
#7 0x280c6560 in ?? () from /libexec/ld-elf.so.1
No symbol table info available.
#8 0x280c63f4 in ?? () from /libexec/ld-elf.so.1
No symbol table info available.
#9 0xbf7fe9f8 in ?? ()
No symbol table info available.
#10 0x280a43bf in dlsym () from /libexec/ld-elf.so.1
No symbol table info available.
So, I tried to change AcceptMutex, change "worker" options, but it doesn't help
My option is now:
ServerLimit 64
StartServers 10
MaxClients 1024
MinSpareThreads 75
MaxSpareThreads 1024
ThreadsPerChild 64
#ThreadLimit 100
MaxRequestsPerChild 0
KeepAlive Off
MaxKeepAliveRequests 600
KeepAliveTimeout 3
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