apache segfault, gdb /usr/local/sbin/httpd segfault
Lubomir Host
rajo at platon.sk
Mon Apr 10 14:33:53 CEST 2006
Zdravim,
mam taky problem. Apache zacal segfaultovat bez nejakej znamej priciny.
# uname -r
6.0-RELEASE-p2
# uname -m
amd64
Apache/2.0.55 (FreeBSD)
Toto je v error logu:
-------------------------------------------------%<-------------------------------------------------
[Mon Apr 10 14:28:09 2006] [notice] Apache/2.0.55 (FreeBSD) configured -- resuming normal operations
[Mon Apr 10 14:28:10 2006] [notice] child pid 77250 exit signal Segmentation fault (11)
[Mon Apr 10 14:28:10 2006] [notice] child pid 77249 exit signal Segmentation fault (11)
[Mon Apr 10 14:28:10 2006] [notice] child pid 77248 exit signal Segmentation fault (11)
[Mon Apr 10 14:28:10 2006] [notice] child pid 77247 exit signal Segmentation fault (11)
...
-------------------------------------------------%<-------------------------------------------------
Moj oblubeny debugger strace nemozem pouzit (lebo FreeBSD && 64 bit),
takze som skusil pouzit gdb. To skoncilo tiez segfaultom:
-----------------------------------%<-----------------------------------
# gdb /usr/local/sbin/httpd
(gdb) run
Starting program: /usr/local/sbin/httpd
(no debugging symbols found)...(no debugging symbols found)...(no
debugging symbols found)...(no debugging symbols found)...(no debugging
symbols found)...(no debugging symbols found)...(no debugging symbols
found)...(no debugging symbols found)...(no debugging symbols
...
found)...(no debugging symbols found)...(no debugging symbols
found)...gdb in realloc(): error: pointer to wrong page
zsh: abort (core dumped) gdb /usr/local/sbin/httpd
-----------------------------------%<-----------------------------------
Skusal som ist dalej, a to prikazom:
--------------------------------------%<--------------------------------------
# gdb -c gdb.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd".
Core was generated by `gdb'.
Program terminated with signal 6, Aborted.
#0 0x0000000800d5e0bc in ?? ()
(gdb) bt
#0 0x0000000800d5e0bc in ?? ()
#1 0x0000000800d52eb1 in ?? ()
#2 0x00007fffffffd94c in ?? ()
#3 0x0000000800dd56f6 in ?? ()
#4 0x0000000800d5e41c in ?? ()
...
#1243 0x0000000000000031 in ?? ()
Cannot access memory at address 0x800000000000
(gdb)
--------------------------------------%<--------------------------------------
V tomto momente som vsak nahraty. Poradi niekto ako dalej a ako to zdebugovat/opravit?
Diik, rajo
--
Lubomir Host 'rajo' <rajo AT platon.sk> ICQ #: 257322664 ,''`.
Platon Group http://platon.sk/ : :' :
Homepage: http://rajo.platon.sk/ `. `'
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