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From: Shunsuke SHINOMIYA <shino@fornext.org>
To: FreeBSD-users-jp@jp.FreeBSD.org
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Date: Wed, 20 Oct 2004 18:35:24 +0900
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Subject: [FreeBSD-users-jp 81397] 5.3RC1 =?ISO-2022-JP?B?GyRCJEsbKEI=?=
 =?ISO-2022-JP?B?GyRCJCokJCRGISIbKEI=?= mbuf leak
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$B!!<D5\$H?=$7$^$9!#(B

$B!!(B5.3RC1 $B$N%N!<%I$GBgNL$N%H%i%R%C%/$rN.$9$H!"(Bnetstat -m $B$GF@$i$l$k(B mbuf 
$B$N;HMQNL$,$I$s$I$sA}2C$7$F$$$/$N$G$9$,!"3'MM$N$H$3$m$G$O$$$+$,$G$7$g$&$+(B?

$B!!$3$N(B mbuf $B$N%j!<%/$O!"J#?t%W%m%;%C%5$r;HMQ$7$F!"(Bdebug.mpsafenet=1($B%G%U%)(B
$B%k%H(B)$B$N>l9g$K5/$3$k$h$&$G$9!#(B
$B!!(BNIF$B$O!"(Bem$B!"(Bdc $B$G6&$K5/$3$C$F$$$k$N$G$9$,!"0MB8@-$,L5$$$+$O$o$+$j$^$;$s!#(B

$B!!<j85$N4D6-(B(PenIII-S 1.4GHz$B!_(B2 & em$B!"(BXeon 2.4GHz(HTT) & em$B!"(Bdc)$B$G$O!"(B
6-current $B$+$i;}$C$F$-$?(B netrate(src/tools/tools/netrate)$B$r;HMQ$7$F!"<!(B
$B$N$h$&$K?t==(BMbps$BN.$9$H!"$3$N%j!<%/$O:F8=$G$-$F$$$^$9!#(B

$B<u?.B&(B(10.1.1.9)$B$N%N!<%I(B($B;n$7$?4D6-$G$O!"$3$A$i$O%7%s%0%k%W%m%;%C%5(B)$B$K$F!"(B
./netreceive 8000

$BAw?.B&$N%N!<%I(B($B$3$A$i$O%G%e%"%k%W%m%;%C%5(B or HTT)$B$K$F!"(B 
./netsend 10.1.1.9 8000 334 25000 10
$B$H$9$k!#(B

$B!!$3$l$G!"(B(66 + 334)octet * 25000pps = 80Mbps $B$r(B10$BIC4VN.$=$&$H$9$k$N$G$9(B
$B$,!"=*$o$C$F$_$k$HAw?.$7$?B&$N%N!<%I$G!"(Bmbuf $B$*$h$S!"(Bmbuf cluster $B$N;HMQ(B
$BNL$,A}$($F$$$^$9!#7+$jJV$7$?$j!"Aw?.;~4V$rD9$/$9$k$H!"$I$s$I$sA}$($^$9!#(B 
mbuf cluster $B$K$$$?$C$F$O!"(Bmax $B$bD6$($F$7$^$$$^$9!#(B
# $B$b$C$H$A$$$5$J(B mbuf $B$@$1$GF~$k$h$&$J%5%$%:$N%Q%1%C%H$rEj$2$k$H!"(Bmbuf 
$B$@$1A}$($^$9(B

$B!!B>$N%N!<%I$+$iLdBj$N(B 5.3RC1 $B$N%^%7%s$rDL2a$5$;$k$h$&$KN.$9(B($B%k!<%?$H$9(B
$B$k(B)$B$H!":#EY$OFs=E2rJ|$,M%0L$K$J$k$N$+(B mbuf $B$N;HMQNL$,$I$s$I$s8:$C$F$$$C(B
$B$F%<%m$rDL$j1[$7$F(B 2^32 $B0L$NCM$K$J$C$F$$$?$j$9$k$N$G$9$,!"$3$A$i$O(B
netrate $B$G:F8=2DG=$+$I$&$+$N3NG'$O$^$@$7$F$$$^$;$s!#$3$A$i$b!"(B
debug.mpsafenet=0 $B$G5/$3$i$J$/$J$j$^$9!#(B

$B!!$^$?!"$3$l$,860x$H;W$o$l$k(B panic $B$K$O$^$@Ax6x$7$F$$$^$;$s!#I=<($@$1$N(B
$BLdBj!"$H$$$&@~$b$"$k$N$G$7$g$&$+!#7WB,$r$7$F$_$k$H!"%Q%1%C%H$NE>Aw@-G=(B
$B$K1F6A$rM?$($F$$$k$h$&$J46$b$"$k$N$G$9$,!#(B


$B!!860x$rC5$C$F$$$k$H$3$m$J$N$G$9$,!"(Bmpsafenet $B$,Mm$s$G$/$k$H$J$k$H;v$,J#(B
$B;($=$&$G<j$,$+$j$rC5$7$F$$$k$H$3$m$G$9!#(B

-- 
Shunsuke SHINOMIYA <shino@fornext.org>

