Gerald Richter wrote:
Rebuild with debug options. In Embperl directory
perl Makefile.PL debug make install
Then run
gdb /path/to/httpd set args -X -t -f /path/to/your/httpd.conf r --> program is running, segfault should occur BT --> shows stackbacktrace
I did the above but this was the result:
# gdb /usr/sbin/httpd
set argsGNU gdb Red Hat Linux (5.2-2)
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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.
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This GDB was configured as "i386-redhat-linux"...-X(no debugging symbols found)...
(gdb) set args -X -t -f /etc/httpd/conf/httpd.conf
(gdb) r
Starting program: /usr/sbin/httpd -X -t -f /etc/httpd/conf/httpd.conf
(no debugging symbols found)...[New Thread 1024 (LWP 18423)]
(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)...(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)...(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)...(no debugging symbols found)...
(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...
Syntax OK
(no debugging symbols found)...(no debugging symbols found)...(no debugging symbols found)...
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (LWP 18423)]
0x08054a60 in ap_remove_module ()
(gdb) BT
#0 0x08054a60 in ap_remove_module ()
#1 0x08054b6f in ap_remove_loaded_module ()
#2 0x0804fdf3 in unload_module ()
#3 0x08051bf9 in run_cleanups ()
#4 0x080506ab in ap_clear_pool ()
#5 0x08050711 in ap_destroy_pool ()
#6 0x0805067c in ap_clear_pool ()
#7 0x08050711 in ap_destroy_pool ()
#8 0x0805dcc2 in clean_parent_exit ()
#9 0x08060e45 in main ()
#10 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6
(gdb)
#0 0x08054a60 in ap_remove_module ()
#1 0x08054b6f in ap_remove_loaded_module ()
#2 0x0804fdf3 in unload_module ()
#3 0x08051bf9 in run_cleanups ()
#4 0x080506ab in ap_clear_pool ()
#5 0x08050711 in ap_destroy_pool ()
#6 0x0805067c in ap_clear_pool ()
#7 0x08050711 in ap_destroy_pool ()
#8 0x0805dcc2 in clean_parent_exit ()
#9 0x08060e45 in main ()
#10 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6
(gdb)
#0 0x08054a60 in ap_remove_module ()
#1 0x08054b6f in ap_remove_loaded_module ()
#2 0x0804fdf3 in unload_module ()
#3 0x08051bf9 in run_cleanups ()
#4 0x080506ab in ap_clear_pool ()
#5 0x08050711 in ap_destroy_pool ()
#6 0x0805067c in ap_clear_pool ()
#7 0x08050711 in ap_destroy_pool ()
#8 0x0805dcc2 in clean_parent_exit ()
#9 0x08060e45 in main ()
#10 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6
(gdb) BT
#0 0x08054a60 in ap_remove_module ()
#1 0x08054b6f in ap_remove_loaded_module ()
#2 0x0804fdf3 in unload_module ()
#3 0x08051bf9 in run_cleanups ()
#4 0x080506ab in ap_clear_pool ()
#5 0x08050711 in ap_destroy_pool ()
#6 0x0805067c in ap_clear_pool ()
#7 0x08050711 in ap_destroy_pool ()
#8 0x0805dcc2 in clean_parent_exit ()
#9 0x08060e45 in main ()
#10 0x42017589 in __libc_start_main () from /lib/i686/libc.so.6
Not sure what the debugging symbols errors are about. I did recompile and re-install with the debug flag. I hope that helps.
On which system do run this test and which Perl version do you using?
Redhat 7.2 (kernel 2.4.20-28.7) Apache 1.3.27 mod_perl 1.26 Embperl 2.0b11 perl 5.6.1
These are all the standard packages from Redhat with the exception of Embperl of course.
Could you run
make test TESTARGS="-i"
As expected make test TESTARGS="-i" completes with no errors.
Cheers, John
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