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Date: Fri, 21 Feb 1997 16:27:33 +0100
To: dbi-users@fugue.com
From: Michael Scoltock <scoltock@ictp.trieste.it>
Subject: Segment violation, Sunos 5.4, DBD-Oracle-0.44
Cc: Tim.Bunce@ig.co.uk

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Hi,
I am trying to get DBD::Oracle running for SUNOS 5.4

perl 5.003
Oracle 7.2.2.3
DBD-Oracle-0.44 (also tried 0.43)
DBI-0.76 (also tried 0.75)
gnu c compiler

'make test' goes all OK, except that after the completion of 'test.pl',
make complains that the target 'test_dynamic' has exitted with an error 139
(?!?).

Writing a simple program that does nothing more than 'use Oraperl; exit;',
exits with a segment violation error. More complicated programs work, but
they always core dump on exit. Glancing at the Oracle.c file, I see that
this problem seems to have been come across in the past (comment about
destruct_level != 0 and sig __WARN__), however, commenting out the line
that sets destruct_level to 0, or not having a handler for sig __WARN__
changes nothing.

Tail of the output from a program that core dumps, with PERL_DBI_DEBUG=2:

>DBI::disconnect_all DBI
>DBI::disconnect_all for 'Oracle'
>    -> disconnect_all for DBD::Oracle::dr (DBI::dr=HASH(0x124958)~0x14a230)
>    <- disconnect_all= 1
>    DBI::END complete
>       (outer handle DESTROY ignored)
>    -> DESTROY for DBD::Oracle::st (DBI::st=HASH(0x14a5ac))
>    <- DESTROY= undef
>    dbih_clearcom 0x197008 done
>       (outer handle DESTROY ignored)
>    -> DESTROY for DBD::Oracle::db (DBI::db=HASH(0x14a564))
>    <- DESTROY= undef
>    dbih_clearcom 0xa5808 done
>    -> DESTROY in DBD::_::common for DBD::Oracle::dr (DBI::dr=HASH(0x14a230))
>    <- DESTROY= undef
>    dbih_clearcom 0x140188 done
>       (inner handle already deleted)

Output from perl -V:

>Summary of my perl5 (5.0 patchlevel 3 subversion 0) configuration:
>  Platform:
>    osname=solaris, osver=2.4, archname=sun4-solaris
>    uname='sunos spacs1 5.4 generic_101945-36 sun4m sparc '
>    hint=recommended, useposix=true, d_sigaction=define
>  Compiler:
>    cc='cc', optimize='-O', gccversion=2.7.2
>    cppflags='-I/opt/gnu/include'
>    ccflags ='-I/opt/gnu/include'
>    stdchar='unsigned char', d_stdstdio=define, usevfork=false
>    voidflags=15, castflags=0, d_casti32=define, d_castneg=define
>    intsize=4, alignbytes=8, usemymalloc=y, randbits=15
>  Linker and Libraries:
>    ld='cc', ldflags =' -L/opt/gnu/lib'
>    libpth=/opt/gnu/lib /lib /usr/lib /usr/ccs/lib
>    libs=-lsocket -lnsl -ldl -lm -lc -lcrypt
>    libc=/lib/libc.so, so=so
>  Dynamic Linking:
>    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=, ccdlflags=' '
>    cccdlflags='-fpic', lddlflags='-G -L/opt/gnu/lib'
>
>@INC: /usr/local/lib/perl5/sun4-solaris/5.003 /usr/local/lib/perl5
>/usr/local/l.

Tail of the output from truss:

>getcontext(0xEFFFF7D0)
>getcontext(0xEFFFF7D0)
>getcontext(0xEFFFF7D0)
>getcontext(0xEFFFF7D0)
>lseek(0, 0, SEEK_CUR)                           = 284639
>    Incurred fault #6, FLTBOUNDS  %pc = 0x69000000
>      siginfo: SIGSEGV SEGV_MAPERR addr=0x69000000
>    Received signal #11, SIGSEGV [default]
>      siginfo: SIGSEGV SEGV_MAPERR addr=0x69000000
>        *** process killed ***


If any other info is needed, just ask. Any help would be greatly appreciated.

			TIA, Mike Scoltock




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