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Date: Tue, 30 Aug 2005 16:07:47 -0700
To: Marcus Boerger <helly@php.net>
Cc: internals@lists.php.net
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References: <5.1.0.14.2.20050822134257.05e07c60@localhost>
	<57792e8505082914244b23a4df@mail.gmail.com>
	<1115917991.20050830000559@marcus-boerger.de>
	<57792e85050830123275779038@mail.gmail.com>
	<1279281695.20050830215401@marcus-boerger.de>
	<57792e8505083014323f86ac6@mail.gmail.com>
	<915210870.20050830234417@marcus-boerger.de>
	<57792e85050830160454f50319@mail.gmail.com>
Subject: Re: [PHP-DEV] Re: Re was: [PHP-DEV] 5.0.5RC1 rolled
From: iamstever@gmail.com (steve)

This was with:

 /usr/bin/valgrind --tool=3Dmemcheck --leak-check=3Dyes -v --trace-children=
=3Dyes

And it didn't seem to add anything while the errorlog was being written.

# more log.pid17870
=3D=3D17870=3D=3D Memcheck, a memory error detector for x86-linux.
=3D=3D17870=3D=3D Copyright (C) 2002-2004, and GNU GPL'd, by Julian Seward =
et al.
=3D=3D17870=3D=3D Using valgrind-2.2.0, a program supervision framework for=
 x86-linux.
=3D=3D17870=3D=3D Copyright (C) 2000-2004, and GNU GPL'd, by Julian Seward =
et al.
=3D=3D17870=3D=3D
=3D=3D17870=3D=3D My PID =3D 17870, parent PID =3D 17869.  Prog and args ar=
e:
=3D=3D17870=3D=3D    /usr/local/apache2/fastcgi-bin/php505.fcgi
=3D=3D17870=3D=3D
=3D=3D17870=3D=3D Valgrind library directory: /usr/lib/valgrind
=3D=3D17870=3D=3D Command line
=3D=3D17870=3D=3D    /usr/local/apache2/fastcgi-bin/php505.fcgi
=3D=3D17870=3D=3D Startup, with flags:
=3D=3D17870=3D=3D    --tool=3Dmemcheck
=3D=3D17870=3D=3D    --leak-check=3Dyes
=3D=3D17870=3D=3D    -v
=3D=3D17870=3D=3D    --trace-children=3Dyes
=3D=3D17870=3D=3D    --log-file=3D/usr/local/apache2/fastcgi-bin/log
=3D=3D17870=3D=3D Contents of /proc/version:
=3D=3D17870=3D=3D   Linux version 2.6.9-11.106.unsupportedsmp
(buildcentos@x8664-build) (gcc version 3.4.3 20050227 (Red Hat
3.4.3-22)) #1 SMP Wed Jun 8 22:05:04 CDT 2005
=3D=3D17870=3D=3D Reading syms from /usr/local/apache2/fastcgi-bin/php505.f=
cgi
(0x8048000)
=3D=3D17870=3D=3D Reading syms from /lib/ld-2.3.4.so (0x1B8E4000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/valgrind/stage2 (0xB0000000)
=3D=3D17870=3D=3D Reading syms from /lib/ld-2.3.4.so (0xB1000000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/valgrind/vgskin_memcheck.so (0=
xB7C9D000)
=3D=3D17870=3D=3D Reading syms from /lib/tls/libc-2.3.4.so (0xB7EC6000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libdl-2.3.4.so (0xB7FF0000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading suppressions file: /usr/lib/valgrind/default.supp
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__GI___errno_location) to
soname:libpthread.so.0(__errno_location)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__errno_location) to
soname:libpthread.so.0(__errno_location)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__GI___h_errno_location) to
soname:libpthread.so.0(__h_errno_location)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__h_errno_location) to
soname:libpthread.so.0(__h_errno_location)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__GI___res_state) to
soname:libpthread.so.0(__res_state)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(__res_state) to
soname:libpthread.so.0(__res_state)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(stpcpy) to *vgpreload_memcheck.=
so*(stpcpy)
=3D=3D17870=3D=3D REDIRECT soname:libc.so.6(strnlen) to *vgpreload_memcheck=
.so*(strnlen)
=3D=3D17870=3D=3D REDIRECT soname:ld-linux.so.2(stpcpy) to
*vgpreload_memcheck.so*(stpcpy)
=3D=3D17870=3D=3D REDIRECT soname:ld-linux.so.2(strchr) to
*vgpreload_memcheck.so*(strchr)
=3D=3D17870=3D=3D
=3D=3D17870=3D=3D Reading syms from /usr/lib/valgrind/vg_inject.so (0x1B8FC=
000)
=3D=3D17870=3D=3D Reading syms from /usr/lib/valgrind/vgpreload_memcheck.so=
 (0x1B901000)
=3D=3D17870=3D=3D TRANSLATE: 0x1B8F5EE0 redirected to 0x1B904100
=3D=3D17870=3D=3D Reading syms from /lib/libcrypt-2.3.4.so (0xB3D000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libpng12.so.0.1.2.7 (0xAFD000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libz.so.1.2.1.2 (0xB97000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libresolv-2.3.4.so (0x79D000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/tls/libm-2.3.4.so (0x5D8000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libdl-2.3.4.so (0x5D2000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libnsl-2.3.4.so (0x982000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libssl.so.0.9.7a (0xBA9000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libcrypto.so.0.9.7a (0x139000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libgssapi_krb5.so.2.2 (0x9D500=
0)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libkrb5.so.3.2 (0x908000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /lib/libcom_err.so.2.1 (0x7B2000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libk5crypto.so.3.0 (0x7FA000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/libxml2.so.2.6.16 (0x224000)
=3D=3D17870=3D=3D    object doesn't have a symbol table
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D Reading syms from /usr/lib/valgrind/libpthread.so (0x1B91=
9000)
=3D=3D17870=3D=3D Reading syms from /lib/tls/libc-2.3.4.so (0x4A7000)
=3D=3D17870=3D=3D    object doesn't have any debug info
=3D=3D17870=3D=3D TRANSLATE: 0x50AE80 redirected to 0x1B9048F8
=3D=3D17870=3D=3D TRANSLATE: 0x50ABA0 redirected to 0x1B905274
=3D=3D17870=3D=3D TRANSLATE: 0x1B8E47A0 redirected to 0x52BFF040
=3D=3D17870=3D=3D TRANSLATE: 0x508DB0 redirected to 0x1B904E24
=3D=3D17870=3D=3D TRANSLATE: 0x50B4C0 redirected to 0x1B905326
=3D=3D17870=3D=3D TRANSLATE: 0x511090 redirected to 0x1B9046F4
=3D=3D17995=3D=3D Reading syms from /lib/libnss_files-2.3.4.so (0x1C154000)
=3D=3D17995=3D=3D    object doesn't have any debug info
=3D=3D17995=3D=3D Conditional jump or move depends on uninitialised value(s=
)
=3D=3D17995=3D=3D    at 0xB9B1C7: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9C06F: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9A505: deflate (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9881A: compress2 (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D Conditional jump or move depends on uninitialised value(s=
)
=3D=3D17995=3D=3D    at 0xB9B18E: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9C06F: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9A505: deflate (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9881A: compress2 (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D Process terminating with default action of signal 15 (SIG=
TERM)
=3D=3D17995=3D=3D    at 0x56EA41: accept (in /lib/tls/libc-2.3.4.so)
=3D=3D17995=3D=3D    by 0x821AAEC: OS_Accept (os_unix.c:1146)
=3D=3D17995=3D=3D    by 0x8219C81: FCGX_Accept_r (fcgiapp.c:2210)
=3D=3D17995=3D=3D    by 0x821BAA9: main (cgi_main.c:1662)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D ERROR SUMMARY: 66 errors from 2 contexts (suppressed: 30 =
from 2)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D 6 errors in context 1 of 2:
=3D=3D17995=3D=3D Conditional jump or move depends on uninitialised value(s=
)
=3D=3D17995=3D=3D    at 0xB9B1C7: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9C06F: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9A505: deflate (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9881A: compress2 (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D 60 errors in context 2 of 2:
=3D=3D17995=3D=3D Conditional jump or move depends on uninitialised value(s=
)
=3D=3D17995=3D=3D    at 0xB9B18E: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9C06F: (within /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9A505: deflate (in /usr/lib/libz.so.1.2.1.2)
=3D=3D17995=3D=3D    by 0xB9881A: compress2 (in /usr/lib/libz.so.1.2.1.2)
--17995--
--17995-- supp:    2 _dl_relocate_object/dl_open_worker
--17995-- supp:   28 dl_relocate_object/dl_main
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D IN SUMMARY: 66 errors from 2 contexts (suppressed: 30 fro=
m 2)
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D malloc/free: in use at exit: 570156 bytes in 9647 blocks.
=3D=3D17995=3D=3D malloc/free: 794941 allocs, 785294 frees, 213330079 bytes=
 allocated.
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D searching for pointers to 9647 not-freed blocks.
=3D=3D17870=3D=3D
=3D=3D17870=3D=3D ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 28 f=
rom 1)
--17870--
--17870-- supp:   28 dl_relocate_object/dl_main
=3D=3D17870=3D=3D malloc/free: in use at exit: 522130 bytes in 9485 blocks.
=3D=3D17870=3D=3D malloc/free: 10131 allocs, 646 frees, 585888 bytes alloca=
ted.
=3D=3D17870=3D=3D
=3D=3D17870=3D=3D searching for pointers to 9485 not-freed blocks.
got signal 15 in LWP 17870 (17870)

valgrind: vg_signals.c:1997 (vg_async_signalhandler): Assertion
`vgPlain_ksigismember(&uc->uc_sigmask, sigNo)' failed.
=3D=3D17870=3D=3D    at 0xB002C005: vgPlain_skin_assert_fail (vg_mylibc.c:1=
137)
=3D=3D17870=3D=3D    by 0xB002C004: assert_fail (vg_mylibc.c:1133)
=3D=3D17870=3D=3D    by 0xB002C042: vgPlain_core_assert_fail (vg_mylibc.c:1=
144)
=3D=3D17870=3D=3D    by 0xB0031F59: vg_async_signalhandler (vg_signals.c:19=
97)

sched status:

Thread 1: status =3D Runnable, associated_mx =3D 0x0, associated_cv =3D 0x0
=3D=3D17870=3D=3D    at 0x1B8FC9EA: _vgw(float, long double,...)(...)(long
double,...)(short) (vg_intercept.c:119)
=3D=3D17870=3D=3D    by 0x5314F3: __GI__exit (in /lib/tls/libc-2.3.4.so)
=3D=3D17870=3D=3D    by 0x821B48C: fastcgi_cleanup (cgi_main.c:935)
=3D=3D17870=3D=3D    by 0x52BFEFFF: ???


Note: see also the FAQ.txt in the source distribution.
It contains workarounds to several common problems.

If that doesn't help, please report this bug to: valgrind.kde.org

In the bug report, send all the above text, the valgrind
version, and what Linux distro you are using.  Thanks.

=3D=3D17995=3D=3D checked 10519468 bytes.
=3D=3D17995=3D=3D
=3D=3D17995=3D=3D LEAK SUMMARY:
=3D=3D17995=3D=3D    definitely lost: 0 bytes in 0 blocks.
=3D=3D17995=3D=3D    possibly lost:   0 bytes in 0 blocks.
=3D=3D17995=3D=3D    still reachable: 569956 bytes in 9646 blocks.
=3D=3D17995=3D=3D         suppressed: 200 bytes in 1 blocks.
=3D=3D17995=3D=3D Reachable blocks (those to which a pointer was found) are=
 not shown.
=3D=3D17995=3D=3D To see them, rerun with: --show-reachable=3Dyes
--17995--     TT/TC: 0 tc sectors discarded.
--17995--            164887 tt_fast misses.
--17995-- translate: new     27502 (463623 -> 6555839; ratio 141:10)
--17995--            discard 2 (59 -> 840; ratio 142:10).
--17995-- chainings: 25350 chainings, 3 unchainings.
--17995--  dispatch: 379000000 jumps (bb entries); of them 57255834
(15%) unchained.
--17995--            17488/1949962 major/minor sched events.
--17995-- reg-alloc: 4848 t-req-spill, 1208465+34207 orig+spill uis,
--17995--            142099 total-reg-rank
--17995--    sanity: 12745 cheap, 510 expensive checks.
--17995--    ccalls: 138175 C calls, 55% saves+restores avoided (454052 byt=
es)
--17995--            185964 args, avg 0.88 setup instrs each (43568 bytes)
--17995--            0% clear the stack (414075 bytes)
--17995--            43264 retvals, 30% of reg-reg movs avoided (25174 byte=
s)