Date: Tue, 22 Nov 2005 00:50:26 +0100 (CET) From: Wojciech Puchar <wojtek@tensor.3miasto.net> To: John Fox <jjf@mind.net> Cc: freebsd-questions@freebsd.org Subject: Re: Status of 6.0 for production systems Message-ID: <20051122003657.G1039@chylonia.3miasto.net> In-Reply-To: <20051110012313.GB22149@mind.net> References: <20051110012313.GB22149@mind.net>
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> I remember back a while when 5.x had been recently released > as STABLE and the conventional wisdom said not to use it in > production until the 5.3 release. > > Is there any such conventional wisdom as regards 6.x? > my home system is actually production system that can't be stopped for a long time. i moved finally from NetBSD for various reasons including real SMP support (real=not crashing and not all-giant lock). what i can say is 1) performance is excellent. maybe it should be named FastBSD not FreeBSD :) 2) it DO has bugs, but i already filtered those than can make a problems for me. 3) first bug - kldunload means danger. many kernel modules just crash the system when unloaded. solution: just don't do it, not a real problem. 4) using kernel-ppp+pppd=crash after not a long time. that forced my to learn user ppp(8) which is actually MUCH better. same solution as 3. anyway i don't see any reason why kernel ppp is maintained at all. user ppp+tun interface works perfect. 5) sio driver has bugs. no crashes but overruns are reported by thousands unless i patched sio.c to increase buffer eightfold. the real bug is somewhere else, and can always be repeated with just dd if=/dev/ad0 bs=1m of=/dev/null the larger bs - the larger buffer have to be set to fix it until some value than enlarging bs to anything doesn't break things at all. i don't know how this all works in kernel so have no idea about the real fix. but this fix is enough for now. if you don't use high-speed serial it shouldn't be a problem for you anyway. 6) still have to learn ipfw more, an excellent tool! incomparably better than NetBSD's ipf! found no bugs on other things and system works stable. for 4 days now but stable without any problems, having stable 921kbps ppp link (which is my outbound connection) and all userlevel programs working fine.
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