Re: [Slashcode-development] Bizarre error: Prototype mismatch

[Stephen C. <the...@wa...>]

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On Thu, Apr 26, 2001 at 06:36:19PM -0400, Chris Nandor wrote:
> I have no idea.  Sigh.  I wish I knew what caused it, though.
> 
> Can you try "require Compress::Zlib" instead, and then change "compress()"
> to "Compress::Zlib::compress()"?

No dice.

But here's something that *was* interesting (using a little advice from the
mod_perl page):

root@owns:/opt/apache/logs# gdb ../bin/httpd 
GNU gdb 5.0
Copyright 2000 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 "i386-slackware-linux"...(no debugging symbols
found)...
(gdb) set args -X
(gdb) run
Starting program: /opt/apache/logs/../bin/httpd -X
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.
(no debugging symbols found)...(no debugging symbols found)...(no debugging
symbols found)...(no debugging symbols found)...[New Thread 1024 (runnable)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1024 (runnable)]
0x8236964 in Perl_gv_fetchmethod_autoload ()
(gdb) bt
#0  0x8236964 in Perl_gv_fetchmethod_autoload ()
#1  0x8236824 in Perl_gv_fetchmethod ()
#2  0x8270d72 in Perl_pp_method_named ()
#3  0x8270b60 in Perl_pp_method_named ()
#4  0x826b48e in Perl_runops_standard ()
#5  0x8233951 in Perl_call_sv ()
#6  0x8233a97 in Perl_eval_sv ()
#7  0x80a06d6 in perl_require_module ()
#8  0x809cd62 in perl_cmd_module ()
#9  0x817f228 in ap_clear_module_list ()
#10 0x817f6ba in ap_handle_command ()
#11 0x817f754 in ap_srm_command_loop ()
#12 0x817fd98 in ap_process_resource_config ()
#13 0x8184971 in ap_exists_config_define ()
#14 0x817ece8 in ap_clear_module_list ()
#15 0x817f6ba in ap_handle_command ()
#16 0x817f754 in ap_srm_command_loop ()
#17 0x817fd98 in ap_process_resource_config ()
#18 0x81806a2 in ap_read_config ()
#19 0x818a259 in ap_child_terminate ()
#20 0x818aae3 in main ()
#21 0x40665577 in __libc_start_main () from /lib/libc.so.6
(gdb) 

mod_perl flaw, perhaps?  (I'm not set up to debug apache or mod_perl; you might
engage in this exercise yourself.)

- -- 
Stephen Clouse <the...@wa...>
warpcore.org Founder, Chief Megalomaniac, and Evil Overlord

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