postfix-users October 2010 archive
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postfix-users: postscreen segfault

postscreen segfault

From: Vernon A. Fort <vfort_at_nospam>
Date: Mon Oct 04 2010 - 20:43:44 GMT
To: postfix-users@postfix.org

I've noticed this:

mail.log.1:Oct 3 03:32:43 ns postfix/master[3672]: warning:
process //usr/lib/postfix/postscreen pid 19122 killed by signal 11

and

[457795.641083] postscreen[19122]: segfault at 1f ip 0804c463 sp
bfcf5e50 error 4 in postscreen[8048000+29000]

system info:
  mail_version = 2.8-20100923
  sys-libs/glibc-2.11.2
  sys-devel/gcc-4.4.3-r2
  Linux ns 2.6.34-gentoo-r6 #1 SMP Wed Sep 15 10:27:58 EDT 2010 i686
Intel(R) Xeon(TM) CPU 3.20GHz GenuineIntel GNU/Linux
  Server had 4GB of ram/memory

I have two servers running this version of postfix (2.8-20100923) and
saw segfaults on both (prior version) so i updated both. Both servers
have an equivalent mail flow and horse power, one is XEON and the other
is a AMD dual core.

I've seen this segfault twice on the above server but not on the amd64
box. Not sure else is needed to track this down. There IS a postscreen
daemon running, just a different PID than the pid mentioned in the
segfault.
 
Vernon