Mailman Webinterface down (Internal Server error)

[zeki79]

hello peoples
when i want to edit a mailing list, i get a site with "Internal Server Error" and in the error_log the following entry:


--
[Sat Feb 24 22:31:05 2007] [error] [client x.x.x.x] Premature end of script headers: admin
*** glibc detected *** double free or corruption (!prev): 0x19c39a08 ***
[Sat Feb 24 22:32:28 2007] [error] [client x.x.x.x] Premature end of script headers: admin
--

any tips where i can search?

what i do till now is

- reinstalled psa-mailman
- reinstalled mailman

my config:

httpd-2.0.52-28.ent.centos4
perl-5.8.5-36.RHEL4
php-5.0.4-13.rhel4.art
mailman-2.1.5.1-34.rhel4.5

thanks,
zeki