nginx-0.8.53 segfault

[Maxim C.]

tried to compile nginx on a same system with the same configure and gcc 
options (added -ggdb option). hope it will be enought:

# gdb /usr/sbin/nginx /var/spool/nginx/cores/core
GNU gdb (Gentoo 7.2 p1) 7.2
Copyright (C) 2010 Free Software Foundation, Inc.
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This is free software: you are free to change and redistribute it.
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and "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.gentoo.org/>...
Reading symbols from /usr/sbin/nginx...(no debugging symbols 
found)...done.
[New Thread 30038]

warning: Can't read pathname for load map: Ошибка ввода/вывода.
Reading symbols from /lib/libcrypt.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libpcre.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libpcre.so.0
Reading symbols from /usr/lib/libssl.so.0.9.8...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libssl.so.0.9.8
Reading symbols from /usr/lib/libcrypto.so.0.9.8...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libcrypto.so.0.9.8
Reading symbols from /lib/libdl.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libz.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /usr/lib/libgd.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libgd.so.2
Reading symbols from /lib/libc.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/libjpeg.so.62...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libpng12.so.0...(no debugging symbols 
found)...done.
Loaded symbols for /usr/lib/libpng12.so.0
Reading symbols from /lib/libm.so.6...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libnss_compat.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_compat.so.2
Reading symbols from /lib/libnsl.so.1...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /lib/libnss_nis.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_nis.so.2
Reading symbols from /lib/libnss_files.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib/libnss_files.so.2
Core was generated by `nginx: worker process                   '.
Program terminated with signal 11, Segmentation fault.
#0  0x080aaca8 in ngx_http_file_cache_update ()
(gdb) bt
#0  0x080aaca8 in ngx_http_file_cache_update ()
#1  0x0809f213 in ngx_http_upstream_process_request ()
#2  0x0809f054 in ngx_http_upstream_process_upstream ()
#3  0x0809e701 in ngx_http_upstream_send_response ()
#4  0x0809cf89 in ngx_http_upstream_process_header ()
#5  0x0809ba4a in ngx_http_upstream_handler ()
#6  0x08069fe5 in ngx_event_process_posted ()
#7  0x08068319 in ngx_process_events_and_timers ()
#8  0x08073177 in ngx_worker_process_cycle ()
#9  0x0807063d in ngx_spawn_process ()
#10 0x08072d57 in ngx_reap_children ()
#11 0x08071e06 in ngx_master_process_cycle ()
#12 0x0804c730 in main ()

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