Date: Wed, 22 Mar 2006 16:03:16 +0100
From: Volker <volker@vwsoft.com>
To: freebsd-pf@freebsd.org
Subject: {Spam?} no buffer space available
Message-ID: <44216734.2060101@vwsoft.com>
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Currently my router machine is running RELENG_6, cvsup'ed, buildkernel and world recently (as of 2006-03-18). My internet connection is realized by a 3G card and ppp (userland) which is always up. After being a few days always on, my router machine is unable to route anything (no packets passed out) as long as pf is enabled. If this situation arrives a ping does: bellona# ping www.heise.de PING www.heise.de (193.99.144.85): 56 data bytes ping: sendto: No buffer space available ping: sendto: No buffer space available ^C --- www.heise.de ping statistics --- 2 packets transmitted, 0 packets received, 100% packet loss When disabling pf it does: bellona# pfctl -d pf disabled bellona# ping www.heise.de PING www.heise.de (193.99.144.85): 56 data bytes 64 bytes from 193.99.144.85: icmp_seq=0 ttl=243 time=1472.569 ms 64 bytes from 193.99.144.85: icmp_seq=1 ttl=243 time=491.980 ms 64 bytes from 193.99.144.85: icmp_seq=3 ttl=243 time=590.113 ms ^C --- www.heise.de ping statistics --- 4 packets transmitted, 3 packets received, 25% packet loss round-trip min/avg/max/stddev = 491.980/851.554/1472.569/440.948 ms .....and re-checking with pf enabled: bellona# pfctl -e pf enabled bellona# ping www.heise.de PING www.heise.de (193.99.144.85): 56 data bytes ping: sendto: No buffer space available ping: sendto: No buffer space available ^C --- www.heise.de ping statistics --- 2 packets transmitted, 0 packets received, 100% packet loss and later re-reading the firewall rules and rereading the firewall rules: bellona# pfctl -d pf disabled bellona# pfctl -gf /etc/firewall/pf-bel.conf bellona# pfctl -e pf enabled bellona# ping www.heise.de PING www.heise.de (193.99.144.85): 56 data bytes 64 bytes from 193.99.144.85: icmp_seq=0 ttl=243 time=146.157 ms ^C --- www.heise.de ping statistics --- 2 packets transmitted, 1 packets received, 50% packet loss round-trip min/avg/max/stddev = 146.157/146.157/146.157/0.000 ms It smells like a memory leak isn't it? Using an earlier 6.1-BETA stage I've seen this problem faster. The last time I've seen this behaviour has been after 4 days system uptime and being always online by ppp. How do I check (debug) if this is a base system (networking) problem of 6.1-BETA or if it's a pf bug? Greetings, Volker
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