FAQ
Hi,

we discovered a crash using 4.3.2RC4 with oci8, here's the bt:
(gdb) bt
#0 0x404422b4 in kghalp () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#1 0x4044fd28 in kgebem () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#2 0x404513de in kgedes () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#3 0x401851ff in skgudmp () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#4 0x4044e1bc in kgesiv () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#5 0x4044dfb8 in kgesic1 () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#6 0x4043d55a in kgherror () from
/opt/oracle/OraHome1/lib/libclntsh.so.8.0
#7 0x4044385f in kghfre () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#8 0x400f7332 in kpuhhfre () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#9 0x40101e1f in kpufhndl () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#10 0x40130b67 in OCIHandleFree () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
#11 0x0809d2f5 in _oci_stmt_list_dtor (rsrc=0x8229554) at /daten1/software/php-4.3.2RC4/ext/oci8/oci8.c:774
#12 0x08166dce in list_entry_destructor (ptr=0x8ac1ff4) at /daten1/software/php-4.3.2RC4/Zend/zend_list.c:172
#13 0x08165546 in zend_hash_del_key_or_index (ht=0x81ef9a0, arKey=0x0, nKeyLength=0, h=222, flag=1)
at /daten1/software/php-4.3.2RC4/Zend/zend_hash.c:514
#14 0x08166b45 in _zend_list_delete (id=222)
at /daten1/software/php-4.3.2RC4/Zend/zend_list.c:56
#15 0x0815fa4d in _zval_dtor (zvalue=0x8abff34)
at /daten1/software/php-4.3.2RC4/Zend/zend_variables.c:69
#16 0x08158b09 in _zval_ptr_dtor (zval_ptr=0x8abfc68)
at /daten1/software/php-4.3.2RC4/Zend/zend_execute_API.c:291
#17 0x08165659 in zend_hash_destroy (ht=0x8ac0394)
at /daten1/software/php-4.3.2RC4/Zend/zend_hash.c:543
#18 0x0815faab in _zval_dtor (zvalue=0xbfff1e10)
at /daten1/software/php-4.3.2RC4/Zend/zend_variables.c:60
#19 0x08172126 in zend_assign_to_variable (result=0x409b9018, op1=0x8abff14, op2=0x409b9038, value=0x8ab9fa4, type=4, Ts=0xbfff1e60)
at /daten1/software/php-4.3.2RC4/Zend/zend_execute.c:439
#20 0x0816f2fa in execute (op_array=0x824d924)
at /daten1/software/php-4.3.2RC4/Zend/zend_execute.c:1349
#21 0x08161230 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
at /daten1/software/php-4.3.2RC4/Zend/zend.c:869
#22 0x08136eec in php_execute_script (primary_file=0xbffff570)
at /daten1/software/php-4.3.2RC4/main/main.c:1671
#23 0x08173d8f in main (argc=2, argv=0xbffff5f4)
at /daten1/software/php-4.3.2RC4/sapi/cli/php_cli.c:802
---Type <return> to continue, or q <return> to quit---
#24 0x408368ae in __libc_start_main () from /lib/libc.so.6

we started the script from the commandline:
# php spqm_sqp.php
Dachzierleiste200363.imp<br>Griffleiste200503.imp<br>********** Internal heap ERROR 17112 addr=0x8abd3e0 *********

phpinfo() is here:
https://www.sqp.at/phpinfo.php

any suggestions?

bye,
--
------------------------------- ----------------------------------
Michael Bretterklieber - http://www.bretterklieber.com
JAWA Management Software GmbH - http://www.jawa.at
Tel: ++43-(0)316-403274-12 - GSM: ++43-(0)676-84 03 15 712
------------------------------- ----------------------------------
"...the number of UNIX installations has grown to 10, with more
expected..." - Dennis Ritchie and Ken Thompson, June 1972

Search Discussions

  • Michael Mauch at May 27, 2003 at 6:02 pm

    Michael Bretterklieber wrote:

    we discovered a crash using 4.3.2RC4 with oci8, here's the bt:
    Is your Apache linked to pthread, like it's written on
    <http://www.php.net/oci8>?

    And your extension_dir .../no-debug-non-zts-20020429
    is probably the wrong one, as you are using --enable-debug.

    Regards...
    Michael
  • Michael Bretterklieber at May 27, 2003 at 6:39 pm

    On Tue, 27 May 2003, Michael Mauch wrote:

    Michael Bretterklieber wrote:
    we discovered a crash using 4.3.2RC4 with oci8, here's the bt:
    Is your Apache linked to pthread, like it's written on
    <http://www.php.net/oci8>?
    sure, and all other neat things like library-preload, etc.

    we usualy start this script with the cli-php, but sometimes also from
    apache.
    And your extension_dir .../no-debug-non-zts-20020429
    is probably the wrong one, as you are using --enable-debug.
    we don't load any extensions dynamicaly (all exts are staticaly
    compiled in) and usualy we use a non debug-build :-)

    however we could workaround this, we had a function like this:

    function foo()
    {
    $db = new DB;
    $db->query(..)
    ..
    }

    this function was invoked several times, and our database-objects
    connected also several times to oracle, then I declared $db static:
    function foo()
    {
    static $db;
    $db = new DB;
    $db->query(..)
    ..
    }

    et voila, the script didn't crashed anymore :-)

    It looks like that the oci extension has some bugs in freeing resources,
    because according to the bt, the oci module freees an already freeed
    resource, if I'm right, or maybe a problem with the reference counting,
    ...

    tomorrow I can send the output with ociinternaldebug(true)

    another hint, I tried all php versions down to 4.2.1, and all versions
    caused the script to crash.

    bye,
    --
    ------------------------------- ----------------------------------
    Michael Bretterklieber - http://www.bretterklieber.com
    JAWA Management Software GmbH - http://www.jawa.at
    Tel: ++43-(0)316-403274-12 - GSM: ++43-(0)676-84 03 15 712
    ------------------------------- ----------------------------------
    "...the number of UNIX installations has grown to 10, with more
    expected..." - Dennis Ritchie and Ken Thompson, June 1972
  • Michael Bretterklieber at May 28, 2003 at 7:21 am
    Hi,

    here's the output with ociinternaldebug(1):
    http://www.bretterklieber.com/php/oci8_crash.log

    FYI: the file has about 800KB
    On Tue, 27 May 2003, Michael Bretterklieber wrote:
    Hi,

    we discovered a crash using 4.3.2RC4 with oci8, here's the bt:
    (gdb) bt
    #0 0x404422b4 in kghalp () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #1 0x4044fd28 in kgebem () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #2 0x404513de in kgedes () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #3 0x401851ff in skgudmp () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #4 0x4044e1bc in kgesiv () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #5 0x4044dfb8 in kgesic1 () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #6 0x4043d55a in kgherror () from
    /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #7 0x4044385f in kghfre () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #8 0x400f7332 in kpuhhfre () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #9 0x40101e1f in kpufhndl () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #10 0x40130b67 in OCIHandleFree () from /opt/oracle/OraHome1/lib/libclntsh.so.8.0
    #11 0x0809d2f5 in _oci_stmt_list_dtor (rsrc=0x8229554) at /daten1/software/php-4.3.2RC4/ext/oci8/oci8.c:774
    #12 0x08166dce in list_entry_destructor (ptr=0x8ac1ff4) at /daten1/software/php-4.3.2RC4/Zend/zend_list.c:172
    #13 0x08165546 in zend_hash_del_key_or_index (ht=0x81ef9a0, arKey=0x0, nKeyLength=0, h=222, flag=1)
    at /daten1/software/php-4.3.2RC4/Zend/zend_hash.c:514
    #14 0x08166b45 in _zend_list_delete (id=222)
    at /daten1/software/php-4.3.2RC4/Zend/zend_list.c:56
    #15 0x0815fa4d in _zval_dtor (zvalue=0x8abff34)
    at /daten1/software/php-4.3.2RC4/Zend/zend_variables.c:69
    #16 0x08158b09 in _zval_ptr_dtor (zval_ptr=0x8abfc68)
    at /daten1/software/php-4.3.2RC4/Zend/zend_execute_API.c:291
    #17 0x08165659 in zend_hash_destroy (ht=0x8ac0394)
    at /daten1/software/php-4.3.2RC4/Zend/zend_hash.c:543
    #18 0x0815faab in _zval_dtor (zvalue=0xbfff1e10)
    at /daten1/software/php-4.3.2RC4/Zend/zend_variables.c:60
    #19 0x08172126 in zend_assign_to_variable (result=0x409b9018, op1=0x8abff14, op2=0x409b9038, value=0x8ab9fa4, type=4, Ts=0xbfff1e60)
    at /daten1/software/php-4.3.2RC4/Zend/zend_execute.c:439
    #20 0x0816f2fa in execute (op_array=0x824d924)
    at /daten1/software/php-4.3.2RC4/Zend/zend_execute.c:1349
    #21 0x08161230 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
    at /daten1/software/php-4.3.2RC4/Zend/zend.c:869
    #22 0x08136eec in php_execute_script (primary_file=0xbffff570)
    at /daten1/software/php-4.3.2RC4/main/main.c:1671
    #23 0x08173d8f in main (argc=2, argv=0xbffff5f4)
    at /daten1/software/php-4.3.2RC4/sapi/cli/php_cli.c:802
    ---Type <return> to continue, or q <return> to quit---
    #24 0x408368ae in __libc_start_main () from /lib/libc.so.6
    bye,
    --
    ------------------------------- ----------------------------------
    Michael Bretterklieber - http://www.bretterklieber.com
    JAWA Management Software GmbH - http://www.jawa.at
    Tel: ++43-(0)316-403274-12 - GSM: ++43-(0)676-84 03 15 712
    ------------------------------- ----------------------------------
    "...the number of UNIX installations has grown to 10, with more
    expected..." - Dennis Ritchie and Ken Thompson, June 1972

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postedMay 27, '03 at 7:02a
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