Date: Mon, 17 Jan 2011 22:14:35 +0600 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-net@freebsd.org Subject: Re: Netgraph/mpd5 stability issues Message-ID: <4D346AEB.8000807@rdtc.ru> In-Reply-To: <4D342AEC.4030600@sentex.net> References: <4D3011DB.9050900@frasunek.com> <4D30458D.30007@sentex.net> <4D341E80.7000303@rdtc.ru> <4D342AEC.4030600@sentex.net>
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On 17.01.2011 17:41, Mike Tancsa wrote: >>> I also have stability issues on RELENG_8. >>> >>> http://www.freebsd.org/cgi/query-pr.cgi?pr=153497 >> >> Do you change net.isr.direct from default 1 to 0 for your box? > > No, I leave it at 1 > > ---Mike I was experiencing some instability with mpd/netgraph too but found workaround: increase netgraph buffers/queues. For 4GB RAM, /boot/loader.conf: # netgraph queue sizes tuning, see vmstat -z|egrep 'ITEM|NetGraph' net.graph.maxdata=65536 net.graph.maxalloc=65536 For /etc/sysctl.conf: kern.ipc.maxsockbuf=83886080 net.graph.maxdgram=8388608 net.graph.recvspace=8388608 It helps not to overflow netgraph event queues in my case and takes away netgraph-related stability problems. Eugene Grosbein
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