Upgrade to 2.2RC1, still can't read messages with Horde

[Troy Carpenter]

Greetings,

I did an upgrade last night to 2.2RC1, via openPKG source build, modified php 
and apache to handle mysql and other normal website functions, and restarted.  
Everything works as expected except for Horde.

I still see the problem where trying to read some email messages in Horde 
causes PHP (or some other process) to do a segfault.  When using IE, the 
result is a "can't display this webpage" kind of error.  With Firefox, it 
prompts to download an empty php document.

These messages are showing up in my apache-error.log:
zend_mm_heap corrupted
[Wed Feb 06 09:50:06 2008] [notice] child pid 24156 exit signal Segmentation 
fault (11)

There are a few messages that will display without issue, but the vast 
majority of message produce the error.  It seemed that I had one message 
work, then I switched the character set to utf8 (after the message complained 
that it was written in UTF8, which was not the charset I was using).  After 
switching the message produced the error and switching the charset back did 
not fix it.

Playing with it a bit more, I found one message that didn't display, then it 
did display.  When it was displayed I tried "show headers", but it 
segfaulted.  I went back to the message list and reselected the message but 
it wouldn't display anymore.

I put a strace on the php processes and I now have two strace output files 
from the segfaulted processes.  I'm going through them now.

Also, not related, but when logging into Horde, I see this in my 
php-error.log:
[06-Feb-2008 09:49:46] PHP Notice:  Unknown: SECURITY PROBLEM: insecure server 
advertised AUTH=PLAIN (errflg=1) in Unknown on line 0

If anyone has any ideas, I'd like to hear them.  If I find something in the 
straces, I'll post that too.

Troy
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