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Date:      Sun, 01 Oct 2017 08:36:05 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-pf@FreeBSD.org
Subject:   [Bug 222126] pf is not clearing expired states
Message-ID:  <bug-222126-17777-HerZ3PXjVL@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-222126-17777@https.bugs.freebsd.org/bugzilla/>
References:  <bug-222126-17777@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D222126

--- Comment #31 from hlh@restart.be ---
(In reply to Kristof Provost from comment #27)

When the problem occurs, no more line in the dtrace log.
Here are the last 20 lines:

[root@norquay ~]# tail -n 20 /var/log/pf.dtrace.log-before=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  3   2257    pf_purge_expired_states:entry=20
  3   2258   pf_purge_expired_states:return=20
  3   2258   pf_purge_expired_states:return=20
  3   2257    pf_purge_expired_states:entry=20
  3   2258   pf_purge_expired_states:return=20
  3   2258   pf_purge_expired_states:return=20
  3   2257    pf_purge_expired_states:entry=20
  3   2258   pf_purge_expired_states:return=20
  3   2258   pf_purge_expired_states:return=20
  1   2257    pf_purge_expired_states:entry=20
  1   2258   pf_purge_expired_states:return=20
  1   2258   pf_purge_expired_states:return=20

then I run:
[root@norquay ~]# echo "set timeout interval 5" | pfctl -mf -

And the dtrace log resume; the first 20 lines are:

[root@norquay ~]# head -n 20 /var/log/pf.dtrace.log
CPU     ID                    FUNCTION:NAME
  1   2257    pf_purge_expired_states:entry=20
  1   2258   pf_purge_expired_states:return=20
  1   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2257    pf_purge_expired_states:entry=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20
  0   2258   pf_purge_expired_states:return=20

PS I have the 2 log files and we can go back more then 20 lines.

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