Date: Mon, 30 Sep 2002 10:45:58 -0400 (EDT) From: Andrew Gallatin <gallatin@cs.duke.edu> To: Peter Grehan <grehan@FreeBSD.ORG> Cc: freebsd-ppc@FreeBSD.ORG Subject: Re: New system binaries available Message-ID: <15768.25510.803465.802205@grasshopper.cs.duke.edu> In-Reply-To: <3D9851D8.97999FD1@freebsd.org> References: <3D9851D8.97999FD1@freebsd.org>
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Peter Grehan writes: > I've put a mostly complete system up at > > http://people.freebsd.org/~grehan/root.tgz Woo-hoo! A compiler! > In conjunction with a diskless kernel built out of the main CVS tree: > > http://people.freebsd.org/~grehan/kernel.nfs > > .. it should be possible together something quite usable. Cool.. My first problem is that heavy network transmit loads with messages large enough to use mbuf clusters causes the machine to crash rapidly with some variety of mcl bookkepping problem: Transmit via loopback: # ifconfig lo0 inet 127.0.0.1 up # ./netserver Starting netserver at port 12865 # ./netperf TCP STREAM TEST to localhost Out of mbuf address space! Consider increasing NMBCLUSTERS exclusive sleep mutex Giant r = 0 (0x33b680) locked @ ../../../vm/vm_object.c:446 panic: mb_reclaim() called with locks held Transmit via gem0: # ./netperf -H10.0.0.2 TCP STREAM TEST to 10.0.0.2 panic: m_ext refcnt < 0 However, transmits of non cluster mbufs seem to be fine: # ./netperf -H10.0.0.2 -tUDP_STREAM -- -m 1 UDP UNIDIRECTIONAL SEND TEST to 10.0.0.2 Socket Message Elapsed Messages Size Size Time Okay Errors Throughput bytes bytes secs # # 10^6bits/sec 9216 1 10.01 99419 0 0.08 41600 10.01 99309 0.08 And, recieves seem to be fine on real hardare. To refresh, this is a dual G4 800MHz. Using gem0 (but since it crashes on loopback, I dont' think this is hardware related). What's the status of ddb? Drew PS: I've left the powerpc netperf/netserver binaries in ~gallatin/net{perf,server}.ppc on freefall in case you want to play with this. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-ppc" in the body of the message
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