strange kernel messages..

From: Roberto Nunnari <roberto.nunnari_at_supsi.ch>
Date: Wed, 04 Aug 2004 09:49:12 +0200
Hello.

Can anybody tell me what are these messages about? Are them
just informational or do I have to worry?

Aug  2 18:23:59 web kernel: lock order reversal
Aug  2 18:23:59 web kernel: 1st 0xc07066e0 UMA lock (UMA lock) _at_ 
/usr/src/sys/vm/uma_core.c:1200
Aug  2 18:23:59 web kernel: 2nd 0xc0c31100 system map (system map) _at_ 
/usr/src/sys/vm/vm_map.c:2210
Aug  2 19:12:21 web kernel: lock order reversal
Aug  2 19:12:21 web kernel: 1st 0xc8c1c39c vm object (vm object) _at_ 
/usr/src/sys/vm/swap_pager.c:1323
Aug  2 19:12:21 web kernel: 2nd 0xc0705b80 swap_pager swhash (swap_pager 
swhash) _at_ /usr/src/sys/vm/swap_pager.c:1838
Aug  2 19:12:21 web kernel: 3rd 0xc6853108 vm object (vm object) _at_ 
/usr/src/sys/vm/uma_core.c:873

They started showing up after last world upgrade

web.dti.supsi.ch# uname -a
FreeBSD web.dti.supsi.ch 5.2.1-RELEASE-p9 FreeBSD 5.2.1-RELEASE-p9 #2: 
Fri Jul 30 17:35:55 CEST 2004     root_at_:/usr/obj/usr/src/sys/WEB  i386

Thank you.
-- 
               Roberto Nunnari -software engineer-
                mailto:roberto.nunnari_at_supsi.ch
  Scuola Universitaria Professionale della Svizzera Italiana
              Dipartimento Tecnologie Innovative
                   http://www.dti.supsi.ch
  SUPSI-DTI
  Via Cantonale                        tel: +41-91-6108561
  6928 Manno                 """       fax: +41-91-6108570
  Switzerland               (o o)
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Received on Wed Aug 04 2004 - 05:49:14 UTC

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