netstat -w is loosing both input and output packets
Boris Samorodov
bsam at ipt.ru
Mon Nov 10 23:06:59 PST 2008
Boris Samorodov <bsam at ipt.ru> writes:
> there seems to be a problem with netstat which I discovered while
> testing a new ale(4) driver. Here is an example of "netstat -w 1":
> netstat -w 1: ftp://ftp.bsam.ru/pub/tmp/EeePC/netstat.ale.2
It seems to loose packets every tree seconds at this machine:
-----
% netstat -w 2
input (Total) output
packets errs bytes packets errs bytes colls
2 0 60 0 0 0 0
1 0 402 0 0 0 0
2 0 60 0 0 0 0
51 0 6208282 30 0 182046 0
8440 0 21163672 5337 0 616902 0
23006 0 24749564 14956 0 759066 0
11567 0 24424332 7709 0 750618 0
23135 0 24752190 15419 0 760848 0
11568 0 24424272 7710 0 750486 0
23134 0 24752190 15414 0 760452 0
11568 0 24424332 7707 0 750552 0
23135 0 24751942 15420 0 760716 0
11567 0 24424332 7707 0 750288 0
23136 0 24751018 15414 0 760518 0
11568 0 24424332 7708 0 750618 0
23134 0 24752250 15417 0 760650 0
11569 0 24424332 7710 0 750618 0
14804 0 8723228 9866 0 268325 0
1 0 150 0 0 0 0
2 0 60 0 0 0 0
-----
> uname -a: ftp://ftp.bsam.ru/pub/tmp/EeePC/uname.2
> kernel config:
> -----
> include GENERIC
> ident EEEBB
>
> nooptions INVARIANTS
> nooptions INVARIANT_SUPPORT
> nooptions WITNESS
> nooptions WITNESS_SKIPSPIN
>
> options PSM_DEBUG=2
> -----
>
> I've got similar results with age(4) at (FreeBSD host.ipt.ru 8.0-CURRENT
> FreeBSD 8.0-CURRENT #2: Sun Nov 2 02:38:00 MSK 2008
> root at host.ipt.ru:/usr/obj/usr/src/sys/HOST i386) (the fourth line):
> -----
> input (Total) output
> packets errs bytes packets errs bytes colls
> 4 0 164 3 0 212 0
> 6 0 1108 5 0 971 0
> 11 0 506 11 0 212 0
> 0 0 8073542 0 0 238802 0
> 6477 0 18872294 4126 0 558968 0
> 13361 0 18747910 8595 0 560724 0
> 13474 0 19331752 8743 0 566624 0
> 13913 0 19005679 8828 0 557727 0
> 13609 0 19357598 8668 0 566664 0
> -----
> kernel config:
> -----
> include GENERIC
> ident HOST
>
> nooptions INVARIANTS
> nooptions INVARIANT_SUPPORT
> nooptions WITNESS
> nooptions WITNESS_SKIPSPIN
>
> device puc
>
> options SHMMAXPGS=65536
> options SEMMNI=40
> options SEMMNS=240
> options SEMUME=40
> options SEMMNU=120
>
> options IPFIREWALL
> options IPFIREWALL_VERBOSE
> options IPFIREWALL_VERBOSE_LIMIT=100
> options IPFIREWALL_DEFAULT_TO_ACCEPT
> -----
>
> Both tests were just plain ftp session with big file transfer.
WBR
--
bsam
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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