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Date: Tue, 27 Mar 2007 09:28:10 +0400
From: Andrey Chernov <ache@freebsd.org>
To: Garrett Cooper <youshi10@u.washington.edu>,
	Andre Oppermann <andre@freebsd.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: Latest -current complete lockup (tcp changes?)
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On Tue, Mar 27, 2007 at 10:11:01PM +0000, Garrett Cooper wrote:
> > The problem is deeper than that (((
> > I still got the same lockup, just with more net activity.
> > I even try to completely disable sack, with the same result, so probem is 
> > somewhere else. Last working kernel still from Mar 22.
> 
> I'll give a CVSup / upgrade a try and see what happens.

Additional non-default details from my machine which may (or may not) 
affect the thing:

net.inet.tcp.recvspace: 
65536
 -> 
65160

net.inet.tcp.sendspace: 
32768
 -> 
65160

net.inet.tcp.keepidle: 
7200000
 -> 
600000

net.inet.ip.ttl: 
64
 -> 
128

kern.ipc.somaxconn: 
128
 -> 
1024

net.inet.tcp.blackhole: 
0
 -> 
2

net.inet.udp.blackhole: 
0
 -> 
1

net.inet.tcp.mssdflt: 
512
 -> 
1460

fxp0: Microcode loaded, int_delay: 1000 usec  bundle_max: 6
fxp0: flags=9843<UP,BROADCAST,RUNNING,SIMPLEX,LINK0,MULTICAST> metric 0 mtu 1500
	options=8<VLAN_MTU>
	ether xx:xx:xx:xx:xx:xx
	inet xxx.xx.xx.xx netmask 0xffffff00 broadcast xxx.xx.xx.xxx
	inet xxx.xx.xx.xx netmask 0xffffffff broadcast xxx.xx.xx.xx
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
Additional routing options:
 ignore ICMP redirect=YES

-- 
http://ache.pp.ru/