Date: Thu, 02 Jan 2014 14:14:35 -0200 From: Marcelo Gondim <gondim@bsdinfo.com.br> To: freebsd-stable@freebsd.org Subject: Re: possible netgraph regression on freebsd 10.0-RC3 Message-ID: <52C5906B.7030406@bsdinfo.com.br> In-Reply-To: <20140102112714.GB16947@spike.grumly.eu.org> References: <20140102112714.GB16947@spike.grumly.eu.org>
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Em 02/01/14 09:27, Cedric Tabary escreveu: > Hello, > > I upgraded several FreeBSD servers from 9.2-STABLE to 10.0-RC3 and I > now have strange behavior of mpd-5.7. > > Symptoms : > - mpd stops accepting connections (PPTP VPN), and stops accepting control > connectiosn also (on telnet and http). > - The only way to kill mpd is a SIGKILL > - after killing mpd, all ng interfaces are still up and forwarding > trafic > - the only way to revert to normal operation is a server power-cycle, > software reboot just freeze the kernel. > > dmesg shows a lot of : > sonewconn: pcb 0xfffff80006f61930: Listen queue overflow: 4 already in > queue awaiting acceptance > however I can't find pcb 0xfffff80006f61930 in netstat and there is no > flood, did I miss something ? > > netstat -naA shows pptp control connections with non null Recv-Q > netstat -naA shows netgraph control sockets with non null Send-Q > In normal operation conditions, all Send-Q/Recv-Q are 0 on all those > control sockets. > > Attached : > - dmesg > - netstat -naA (anonymized) > - lsof -n (anonymized) > > FreeBSD xxx 10.0-RC3 FreeBSD 10.0-RC3 #0 r259778: Mon Dec 23 > 23:27:58 UTC 2013 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC > amd64 > > All this is reproduced once every 2-3 days on 4 different servers. > > Cédric > This really interests me. I'll follow up. Cheers, Gondim
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