ID: 25480
Comment by: bk at galaxy dot net
Reported By: colin at grandecom dot com
Status: Open
Bug Type: Program Execution
Operating System: Solaris 2.8
PHP Version: 4.3.3
New Comment:
I'm seeing the same thing. I get shell_exec() to fail
ever since upgrading to 4.3.3 as well as popen() within
the sendmail module of pear.
I'm wondering if this has something to do with the
solaris limit of 256 file descriptors in FILE streams
and running out of them. But it is strange that this
didn't start until I upgraded to 4.3.3.
Previous Comments:
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[2003-09-10 21:05:50] colin at grandecom dot com
safe_mode = Off
It is only happening to me with 4.3.3 - on this particular
machine I upgraded from 4.3.1 yesterday to fix an snmp bug,
and the problem start happening today (I'd run 4.3.1
without any exec issues for several weeks prior.) In
retrospect, this definitely should have been mentioned in
my initial bug report. Sorry about that.
------------------------------------------------------------------------
[2003-09-10 20:07:27] [EMAIL PROTECTED]
Also, did this happen with previous PHP versions? If not, which was the
previous version you had?
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[2003-09-10 20:06:43] [EMAIL PROTECTED]
Is "safe_mode" enabled?
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[2003-09-10 18:14:54] colin at grandecom dot com
Sorry, the 'expected result' is naturally just the output
of a ping process, ie:
PING blah: 56 data bytes
64 bytes from 192.168.5.1: icmp_seq=0. time=1. ms
64 bytes from 192.168.5.1: icmp_seq=1. time=0. ms
----blah PING Statistics----
2 packets transmitted, 2 packets received, 0% packet loss
round-trip (ms) min/avg/max = 0/0/1
And the actual result is the error I pasted under
expected output. Excuse my braindead first post.
------------------------------------------------------------------------
[2003-09-10 18:10:47] colin at grandecom dot com
Description:
------------
At certain times (no discernible load, nor any unusually
high memory or swap usage, etc.) all shell exec commands
fail. Typically it will last a short period of time, and
then all commands work fine. Restarting apache does not
appear to cure or improve the situation. Below are my
particulars.
My configure line:
./configure --with-apxs=/usr/local/apache/bin/apxs
--with-oracle=/opt/oracle --with-snmp=/usr/local --with-curl=/opt
--with-gd --with-zlib-dir=/usr/local/lib
Other information:
Sun E250, 2x296mhz, 1024MB RAM, gcc 2.95.2
Changes to php.ini from php.ini-dist:
register_globals = On
Here are some error examples from various execs:
Warning: shell_exec(): Unable to execute 'nslookup -timeout=3
10.130.0.1 2>/dev/null' in /usr/local/apache/htdocs/my.php on line 39
Warning: system(): Unable to fork [/opt/qip/usr/bin/qping -v -r 3 -t
250 10.130.2.163] in /usr/local/apache/htdocs/my.php on line 79
Warning: passthru(): Unable to fork [/opt/qip/usr/bin/qping -v -r 3 -t
250 10.130.2.163] in /usr/local/apache/htdocs/my.php on line 78
Reproduce code:
---------------
echo "<pre>"; system("ping -s $ip 56 10"); echo "</pre>";
Expected result:
----------------
Warning: system(): Unable to fork [ping -s 10.130.2.163 56 10] in
/usr/local/apache/htdocs/ping.php on line 55
Actual result:
--------------
Command simply doesn't execute, program continues without
a problem or error.
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Edit this bug report at http://bugs.php.net/?id=25480&edit=1
