Date: Mon, 28 Aug 2006 11:13:23 -0700 From: "Matt Reimer" <mattjreimer@gmail.com> To: "Peter Holm" <peter@holm.cc> Cc: current@freebsd.org Subject: Re: zonelimit livelock Message-ID: <f383264b0608281113p774b1f2ev5d5524f074a46149@mail.gmail.com> In-Reply-To: <20060828165542.GA78024@peter.osted.lan> References: <20060828165542.GA78024@peter.osted.lan>
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On 8/28/06, Peter Holm <peter@holm.cc> wrote: > While stress testing GENERIC HEAD from Aug 26 13:08 UTC I ran into > this livelock: > > http://people.freebsd.org/~pho/stress/log/cons206.html > -- > Peter Holm FWIW, I'm seeing the same thing on RELENG_6 by running ab (apachebench) against localhost with nmbclusters set low (1024). kern.ipc.nmbclusters=1024 debug.mpsafenet=0 ab -k -c 450 -n 10000 http://localhost/ netstat -m | grep mbuf 77789/236/78025 mbufs in use (current/cache/total) 1024/0/1024/1024 mbuf clusters in use (current/cache/total/max) 502/0 mbuf+clusters out of packet secondary zone in use (current/cache) vmstat -z | grep mbuf SIZE LIMIT USED FREE REQUESTS mbuf_packet: 256, 0, 502, 0, 24996 mbuf: 256, 0, 77287, 236, 416351 mbuf_cluster: 2048, 1024, 1024, 0, 11124 Matt
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