Vinny wrote:
> I recompiled php 4.0.6 with enable-debug. Now I see this in logs:
>
>
> preparser-scanner.l(450) : Freeing 0x0820547C (249 bytes),
> script=/usr/local/apache/libexec/midgard-root.php
> Last leak repeated 14 times
> midgard.c(440) : Freeing 0x081624C4 (12 bytes),
> script=/usr/local/apache/libexec/midgard-root.php
>
>
> ran gdb again and got this when I hit the nadmin page
>
>
> gdb /usr/local/apache/bin/httpd
> GNU gdb 19991004
> Copyright 1998 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-redhat-linux"...
> (gdb) run -X
> Starting program: /usr/local/apache/bin/httpd -X
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x2ac69f51 in zendparse () at zend_language_parser.c:2465
> 2465 { yyvsp[-1].u.constant.value.lval=0;
> yyvsp[-1].u.constant.type=IS_LONG; yyvsp[-1].op_type = IS_CONST;
> INIT_PZVAL(&yyvsp[-1].u.constant); zend_do_binary_op(ZEND_ADD, &yyval,
> &yyvsp[-1], &yyvsp[0] CLS_CC); ;
> (gdb) bt
I'll have a look at the preparser code, which is the most likely suspect.
If I may be so bold to ask more of your time, it would be highly
interesting to know if you could reproduce this segfault using etrace.
(http://www.eso.org/~ndevilla/etrace/). This will probably not work out of the
box -- the reader script assumes to find all symbols in the supplied executable,
and we're interested in the symbols in midgard.so. I have one system
where I'm having issues with midgard, but the compiler doesn't support
etrace, and the systems that have newer compilers don't exhibit the problem.
In any case: don't forget to add above information to your bugreport. I
don't want it to go lost.
Emile
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