admin# sysctl -a | grep net.inet.tcp.sack
net.inet.tcp.sack.enable: 1

i use SMP kernel configuration from cvsup without any modification.

-- 
Young Lee


On Wed, 30 Mar 2005 17:40:49 +0800
Xin LI <[EMAIL PROTECTED]> wrote:
> Hi, Young,
> 
> å 2005-03-30äç 17:08 +0800ïYoung Leeåéï
> > the system is totally dead with the pannic message, and have 
> > to hard reset to reboot. even i reboot the server, it will crash in 
> > several minutes, because of hundreds of request is coming.
> > 
> > by refer to Klein's configuration and turn "debug.mpsafenet=0" 
> > in /boot/loader.conf, the server is stable so far, and it last 20 hours.
> 
> Have you tried disabling SACK? (net.inet.tcp.sack)?  BTW.  I think it
> might be helpful to show your kernel compiling configuration.
> 
> Cheers,
> -- 
> Xin LI <delphij delphij net>  http://www.delphij.net/


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