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Bug #63867 make test core dumps on bug63377.php
Submitted: 2012-12-28 13:43 UTC Modified: 2013-02-18 00:36 UTC
From: mamfelt at gmail dot com Assigned:
Status: No Feedback Package: Testing related
PHP Version: 5.3.20 OS: AIX 6.1
Private report: No CVE-ID: None
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 [2012-12-28 13:43 UTC] mamfelt at gmail dot com
Description:
------------
make test fails (fatal error) on test 63377 and does not continue with remaining tests.

AIX 6.1, two different TL levels,
one with 2G RAM and 1.5G paging space
one with 9G RAM, 512 MByte paging space

michael@x054:[/data/prj/php/php-5.3.20]ulimit -a
time(seconds)        unlimited
file(blocks)         unlimited
data(kbytes)         unlimited
stack(kbytes)        4194304
memory(kbytes)       unlimited
coredump(blocks)     0
nofiles(descriptors) 2000
threads(per process) unlimited
processes(per user)  unlimited
--------
I am aware that AIX has a different HW memory model (10 or 11 256M Byte memory segments, so it may lie in the 3072M limit used in the test. However, I do not really see the system grab that much memory before the test crashes. I will assume it is hard to spot using topas/nmon.

The test is also running a loop that is allocating? and writing? 1024 x 1024 x 100 'a' characters (or 22 x 102400k)

Some suggestions, read instructions, for:
1) setting up a situation that I can debug this test to see what is failing
2) instructions for the letting make test continue, even though this has failed.
3) instructions on how to skip this test for the time being.

Test script:
---------------
# ./configure ...
# make
# make test

Expected result:
----------------
that "make test" completes normally, asking to send test results, etc.

Actual result:
--------------
PASS ZE2 type hinting [tests/lang/type_hints_002.phpt] 
PASS ZE2 type hinting [tests/lang/type_hints_003.phpt] 
PASS Bug #46897: ob_flush() should fail to flush unerasable buffers [tests/output/bug46897.phpt] 
TEST 630/9330 [tests/output/bug63377.phpt]
Fatal error: Out of memory (allocated 213647360) (tried to allocate 209715545 bytes) in /data/prj/php/php-5.3.20/run-tests.php on line 1818


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 [2012-12-28 13:48 UTC] felipe@php.net
-Status: Open +Status: Feedback -Package: Unknown/Other Function +Package: Testing related
 [2012-12-28 13:49 UTC] felipe@php.net
Hi, I've fixed an issue in this test. (bug63377.phpt)

Please, apply the change manually and try again:
http://git.php.net/?p=php-src.git;a=commitdiff;h=56d9edbbb93a2a338211b2e7c05cf52347a963ce
 [2012-12-28 13:54 UTC] mamfelt at gmail dot com
Adding:
$ LDR_CNTRL="MAXDATA=0x8000000"
$ export LDR_CNTRL
$ make test

and system moves on, so not a bug - a linker flag needs to be added: -bmaxdata:0x80000000

This becomes an FYI for others.
 [2013-02-18 00:36 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Open". Thank you.
 
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