[mp2] t\apache\content_length_header access violation

Markus Wichitill Thu, 02 Dec 2004 10:27:47 -0800

When I run the full test suite of mod_perl 1.99_18-SVN on WinXP, while t\apache\content_length_header.t is executing, Windows pops up one of its access violation dialogs that lets me start the debugger. All tests incl. content_length_header continue to run ok in the background though, and only start failing when I click OK to dismiss the dialog, or stop when I click Cancel to open the debugger.

t\apache\content_length_header.t or the tests around it don't cause an access violation when executed alone. There's nothing in the log either, so I can't pinpoint the crash location any better.

The following data is from my debug installation, which I just updated to Perl 5.8.6, but the same happens with my non-debug development installation with ActivePerl 5.8.4.810, which also crashes when normally started.


modperl_interp_unselect(void * 0x01a30f28) line 285 + 20 bytes
run_cleanups(cleanup_t * * 0x00a8f338) line 1951 + 13 bytes
apr_pool_destroy(apr_pool_t * 0x00a8f328) line 730 + 12 bytes
apr_pool_clear(apr_pool_t * 0x00a89280) line 690 + 12 bytes
mpm_recycle_completion_context(CompContext * 0x00a163e8) line 82
winnt_get_connection(CompContext * 0x00a163e8) line 648
worker_main(long 17) line 703 + 9 bytes
_threadstartex(void * 0x0028db18) line 227 + 13 bytes
KERNEL32! 7c80b50b()


    if (interp->request) {
        /* ithreads + a threaded mpm + PerlInterpScope handler */
        request_rec *r = interp->request;
->      MP_dRCFG;
        modperl_config_request_cleanup(interp->perl, r);
        MpReqCLEANUP_REGISTERED_Off(rcfg);
    }


*** mod_perl version 1.9918

*** using C:\Dev\debug\modperl-2.0\lib\Apache\BuildConfig.pm

*** Makefile.PL options:
  MP_APR_LIB     => aprext
  MP_AP_PREFIX   => C:\dev\debug\apache2
  MP_COMPAT_1X   =>
  MP_DEBUG       => 1
  MP_GENERATE_XS => 1
  MP_LIBNAME     => mod_perl
  MP_TRACE       => 1
  MP_USE_DSO     => 1

*** C:\dev\debug\apache2\bin\Apache.EXE -V
Server version: Apache/2.0.52
Server built:   Nov 25 2004 16:36:30
Server's Module Magic Number: 20020903:9
Architecture:   32-bit
Server compiled with....
 -D APACHE_MPM_DIR="server/mpm/winnt"
 -D APR_HAS_SENDFILE
 -D APR_HAS_MMAP
 -D APR_HAS_OTHER_CHILD
 -D AP_HAVE_RELIABLE_PIPED_LOGS
 -D HTTPD_ROOT="/apache"
 -D SUEXEC_BIN="/apache/bin/suexec"
 -D DEFAULT_SCOREBOARD="logs/apache_runtime_status"
 -D DEFAULT_ERRORLOG="logs/error.log"
 -D AP_TYPES_CONFIG_FILE="conf/mime.types"
 -D SERVER_CONFIG_FILE="conf/httpd.conf"

*** (apr|apu)-config linking info

   /libpath:"C:\dev\debug\apache2\lib" libapr.lib
   /libpath:"C:\dev\debug\apache2\lib" libaprutil.lib

*** c:\dev\debug\perl\bin\perl.exe -V Summary of my perl5 (revision 5 version 8 subversion 6) configuration: Platform: osname=MSWin32, osvers=4.0, archname=MSWin32-x86-multi-thread uname='' config_args='undef' hint=recommended, useposix=true, d_sigaction=undef usethreads=define use5005threads=undef useithreads=define usemultiplicity=define useperlio=define d_sfio=undef uselargefiles=define usesocks=undef use64bitint=undef use64bitall=undef uselongdouble=undef usemymalloc=n, bincompat5005=undef Compiler: cc='cl', ccflags ='-nologo -Gf -W3 -Od -MD -Zi -DDEBUGGING -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX', optimize='-Od -MD -Zi -DDEBUGGING', cppflags='-DWIN32' ccversion='', gccversion='', gccosandvers='' intsize=4, longsize=4, ptrsize=4, doublesize=8, byteorder=1234 d_longlong=undef, longlongsize=8, d_longdbl=define, longdblsize=10 ivtype='long', ivsize=4, nvtype='double', nvsize=8, Off_t='__int64', lseeksize=8 alignbytes=8, prototype=define Linker and Libraries: ld='link', ldflags ='-nologo -nodefaultlib -debug -libpath:"c:\dev\debug\perl\lib\CORE" -machine:x86' libpth=\lib libs= oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib version.lib odbc32.lib odbccp32.lib msvcrt.lib perllibs= oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib netapi32.lib uuid.lib ws2_32.lib mpr.lib winmm.lib version.lib odbc32.lib odbccp32.lib msvcrt.lib libc=msvcrt.lib, so=dll, useshrplib=yes, libperl=perl58.lib gnulibc_version='undef' Dynamic Linking: dlsrc=dl_win32.xs, dlext=dll, d_dlsymun=undef, ccdlflags=' ' cccdlflags=' ', lddlflags='-dll -nologo -nodefaultlib -debug -libpath:"c:\dev\debug\perl\lib\CORE" -machine:x86'

Characteristics of this binary (from libperl): Compile-time options: DEBUGGING MULTIPLICITY USE_ITHREADS USE_LARGE_FILES PERL_IMPLICIT_CONTEXT PERL_IMPLICIT_SYS Built under MSWin32 Compiled at Dec 2 2004 16:40:43 %ENV: PERL_LWP_USE_HTTP_10="1" @INC: c:/Dev/debug/perl/lib c:/Dev/debug/perl/site/lib .

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[mp2] t\apache\content_length_header access violation

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