[horde] Horde/Apache instability problems

[Jan Schneider]

Zitat von "Daniel A. Ramaley" <daniel.ramaley at DRAKE.EDU>:

> Now for the recently discovered information:
>
> It was suggested that i try running Apache with CoreDumpDirectory
> defined. I have done that, and it seems to dump core when the segfault
> problem occurs. Since that problem is somewhat rare and the server
> isn't under a very heavy load during the summer, i had to wait awhile
> before getting a collection of core dumps. I'm not familiar with
> analyzing core dumps, but loaded each dump into gdb and asked for a
> backtrace. The first lines of the backtraces all looked like this, with
> the exception that the op_array would vary between dumps:
>
> (gdb) bt
> #0  0x0000002a99ff2492 in preg_replace_impl (ht=Variable "ht" is not
> available.)
>     at /usr/src/redhat/BUILD/php-4.3.9/ext/pcre/php_pcre.c:1154
> #1  0x0000002a9a0ac255 in execute (op_array=0x552afe2798)
>     at /usr/src/redhat/BUILD/php-4.3.9/Zend/zend_execute.c:1640
> #2  0x0000002a9a0a9386 in execute (op_array=0x552aff7fb8)
>     at /usr/src/redhat/BUILD/php-4.3.9/Zend/zend_execute.c:1684
> #3  0x0000002a9a0a9386 in execute (op_array=0x552b0e26c8)
>     at /usr/src/redhat/BUILD/php-4.3.9/Zend/zend_execute.c:1684
> #4  0x0000002a9a0a9386 in execute (op_array=0x552af80db8)
>     at /usr/src/redhat/BUILD/php-4.3.9/Zend/zend_execute.c:1684

This is definitely a bug in PHP then. Upgrade to a newer version.

Jan.

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