Re: heavy network load

I am experiencing this problem too.  As a work around, you can remove
options SMP from your kernel.  The root-cause of this issue is under
investigation.

On Sat, Oct 06, 2007 at 02:49:01PM +0900, Katsuji Ishikawa wrote:
> Hi .
> I use -CURRENT on Parallels Desktop(Mac OS X). It works very fine.
> But today I csup'ed and installed these. After that, I encountered
> network problem..
> 
> 
> Details:
> 
> Host: Parallels Desktop (Mac OS X) , 192.168.0.3
> Guest: FreeBSD-CURRENT , 192.168.0.6
> 
> before (Old current)
> katsuji_at_hexley% ping 192.168.0.6
> PING 192.168.0.6 (192.168.0.6): 56 data bytes
> 64 bytes from 192.168.0.6: icmp_seq=0 ttl=64 time=0.462 ms
> 64 bytes from 192.168.0.6: icmp_seq=1 ttl=64 time=0.623 ms
> 64 bytes from 192.168.0.6: icmp_seq=2 ttl=64 time=0.497 ms
> 64 bytes from 192.168.0.6: icmp_seq=3 ttl=64 time=0.571 ms
> 64 bytes from 192.168.0.6: icmp_seq=4 ttl=64 time=0.610 ms
> 64 bytes from 192.168.0.6: icmp_seq=5 ttl=64 time=0.510 ms
> ^C
> --- 192.168.0.6 ping statistics ---
> 6 packets transmitted, 6 packets received, 0% packet loss
> round-trip min/avg/max/stddev = 0.462/0.545/0.623/0.060 ms
> 
> 
> after (csuped today, occured packet loss...)
> katsuji_at_hexley% ping 192.168.0.6
> PING 192.168.0.6 (192.168.0.6): 56 data bytes
> 64 bytes from 192.168.0.6: icmp_seq=0 ttl=64 time=4397.146 ms
> 64 bytes from 192.168.0.6: icmp_seq=1 ttl=64 time=3397.082 ms
> 64 bytes from 192.168.0.6: icmp_seq=2 ttl=64 time=2397.021 ms
> 64 bytes from 192.168.0.6: icmp_seq=3 ttl=64 time=1395.493 ms
> 64 bytes from 192.168.0.6: icmp_seq=4 ttl=64 time=393.692 ms
> ^C
> --- 192.168.0.6 ping statistics ---
> 11 packets transmitted, 5 packets received, 54% packet loss
> round-trip min/avg/max/stddev = 393.692/2396.087/4397.146/1415.415 ms
> 
> 
> kernel configuration:
> 
> katsuji_at_seven% cat ULE3                         [/sys/i386/conf]
> include         GENERIC
> ident           ULE3
> 
> nooptions       SCHED_4BSD
> options         SCHED_ULE
> 
> 
> Have you any good ideas?
> 
> Regards,
> 
> -- 
> Katsuji ISHIKAWA <k.ishish_at_gmail.com>
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-- 
Christian S.J. Peron
csjp_at_FreeBSD.ORG
FreeBSD Committer