Re: Should syncache.count ever be negative?

2007-11-10 Thread Mike Silbersack
On Fri, 9 Nov 2007, Matt Reimer wrote: Ok, I've run netperf in both directions. The box I've been targeting is 66.230.193.105 aka wordpress1. Ok, at least that looks good. The machine is a Dell 1950 with 8 x 1.6GHz Xeon 5310s, 8G RAM, and this NIC: Nice. I first noticed this problem run

Re: Should syncache.count ever be negative?

2007-11-10 Thread Matt Reimer
On Nov 10, 2007 12:13 AM, Mike Silbersack <[EMAIL PROTECTED]> wrote: > > On Fri, 9 Nov 2007, Matt Reimer wrote: > > > I first noticed this problem running ab; then to simplify I used > > netrate/http[d]. What's strange is that it seems fine over the local > > network (~15800 requests/sec), but it s

Re: Should syncache.count ever be negative?

2007-11-10 Thread Mike Silbersack
On Sat, 10 Nov 2007, Mike Silbersack wrote: FWIW, my crazy theory of the moment is this: We have some bug that happens when the listen queues overflow in 7.0, and your test is strenuous enough to hit the listen queue overflow condition, leading to total collapse. I'll have to cobble togethe

Re: Should syncache.count ever be negative?

2007-11-10 Thread Mike Silbersack
On Sat, 10 Nov 2007, Matt Reimer wrote: I ran "netstat -Lan" every second while running this test and the output never changed from the following, whether before or after the stall: I forgot to mention, check netstat -s for listen queue overflows. During the stall the sockets are all in TIM

Re: if_stf and rfc1918

2007-11-10 Thread Lapo Luchini
Hajimu UMEMOTO freebsd.org> writes: > Lukasz> after the packets leave my site they are completly valid 6to4 packets. > Lukasz> Also when 6to4 packets come to me they are handeled properly. > Oops, I completely forget this issue. If there is no objection, I'll > commit following patch into HEAD t

System Freezes When MBufClust Usages Rises

2007-11-10 Thread Ed Mandy
We are using FreeBSD to run the Dante SOCKS proxy server to accelerate a high-latency (approximately 1-second round-trip) network link. We need to support many concurrent transfers of large files. To do this, we have set the machine up with the following parameters. Compiled Dante with the

Re: Merging rc.d/network_ipv6 into rc.d/netif

2007-11-10 Thread Doug Barton
On Mon, 5 Nov 2007, Bob Johnson wrote: On 11/5/07, Mike Makonnen <[EMAIL PROTECTED]> wrote: Most IP related knobs will have an ipv4_ and ipv6_ version. To make the transition easier rc.subr(8) will "automagically" DTRT for the following knobs: gateway_enable => ipv4_gateway_enable