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Date: Sat, 17 Dec 2005 17:37:01 +0200 (EET)
Reply-To: Jani Taskinen <sniper@iki.fi>
To: Stut <stuttle@gmail.com>
cc: internals@lists.php.net
In-Reply-To: <a5f019de0512170733n7e49018bj@mail.gmail.com>
Message-ID: <Pine.LNX.4.61.0512171736090.21477@arfg.argcubovn.sv>
References: <a5f019de0512170733n7e49018bj@mail.gmail.com>
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Subject: Re: [PHP-DEV] Fatal error 'Unable to read from thread kernel pipe'
	when using mail function
From: sniper@iki.fi (Jani Taskinen)


     You need to use the prefork MPM within Apache2.
     Rebuilding apache like that propably wont make any difference.
     And you really need to reconfigure and recompile PHP after that.

     --Jani


On Sat, 17 Dec 2005, Stut wrote:

>
> I hope this gets through - the subscription confirmation email seems
> to be taking its time to get to me but I can't afford to wait. I would
> appreciate it if responses could be CC'd to me to ensure I get them.
>
> I've googled and also asked this question on the php-general list but
> have had no responses. Hopefully the gurus on this list will be able
> to help.
>
> I've just upgraded the PHP installation on my server to v4.4.1 and
> the mail function has stopped working. I created a script that simply
> calls the mail function to send a test email ad this is what I get when
> I run it...
>
> stut@brian:~$ php test.php
> Fatal error 'Unable to read from thread kernel pipe' at line 1100 in
> file /usr/src/lib/libc_r/uthread/uthread_kern.c (errno = 0)
> Abort trap (core dumped)
>
> The email gets sent successfully on the CLI despite crashing. When the
> mail function is called from a web page it never gets sent and the
> script never finishes.
>
> I've googled for this error and all references I found that related to
> PHP basically say that it's due to Apache and PHP being compiled in
> different threading modes. This cannot be the case in this instance
> since Apache is using the prefork MPM and even if it wasn't it's
> happening on the CLI where Apache is not involved.
>
> I've tried rebuilding Apache WITHOUT_THREADS and then rebuilding PHP
> but this made no difference.
>
> Any clues people might have as to the cause of this problem would be
> gratefully received.
>
> FYI: Environment is FreeBSD 5.2, Apache 2.0 and Postfix.
>
> Cheers.
>
> -Stut
>
>

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