The following reply was made to PR kern/29262; it has been noted by GNATS.

From: Quentin Garnier <cube@cubidou.net>
To: gnats-bugs@netbsd.org
Cc: kern-bug-people@netbsd.org, gnats-admin@netbsd.org,
	netbsd-bugs@netbsd.org
Subject: Re: kern/29262: Incredible slow LKM loading in 2.0 versus 1.6.2
Date: Mon, 7 Feb 2005 14:14:06 +0100

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 On Mon, Feb 07, 2005 at 11:19:00AM +0000, kessi@teles.de wrote:
 > >Number:         29262
 > >Category:       kern
 > >Synopsis:       Incredible slow LKM loading in 2.0 versus 1.6.2
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       medium
 > >Responsible:    kern-bug-people
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Mon Feb 07 11:19:00 +0000 2005
 > >Originator:     Jens Kessmeier
 > >Release:        2.0
 > >Organization:
 > TELES AG
 > >Environment:
 > NetBSD iswitch2.teles.de 2.0 NetBSD 2.0 (ISWITCH) #17: Thu Feb  3 12:46:0=
 8  2005  admin@COMPILE:/usr2/isdn/NetBSD-2.0/usr/src/sys/arch/i386/compile/=
 ISWITCH i386
 >=20
 > >Description:
 > Loading time on NetBSD 1.6.2 is more or less 15 seconds. On NetBSD 2.0, s=
 ame machine and test case, 180 seconds.
 >=20
 > Here is the test script:
 >=20
 > #!/bin/sh
 >=20
 > KDRV=3D/usr/isdn/kdrv
 >=20
 > date; echo "Loading tlsload"
 > modload -s -S -o $KDRV/tlsload.lnk  $KDRV/tlsload.o
 > date; echo "Loading streams"
 > modload -s -S -o $KDRV/streams.lnk -A $KDRV/tlsload.lnk $KDRV/streams.o
 > date; echo "Loading tlstrc"
 > modload -s -S -o $KDRV/tlstrc.lnk -A $KDRV/streams.lnk $KDRV/tlstrc.o
 > date; echo "Loading tlspir"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlspir.o
 > date; echo "Loading tlsp8"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlsp8.o
 > date; echo "Loading tlssw1"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlssw1.o
 > date; echo "Loading tlssw1vx"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlssw1vx.o
 > date; echo "Loading tlsmtn"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlsmtn.o
 > date; echo "Loading tlstnx"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlstnx.o
 > date; echo "Loading tlssw23"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlssw23.o
 > date; echo "Loading tlstoner"
 > modload -s -A $KDRV/tlstrc.lnk $KDRV/tlstoner.o
 > date; echo "End "
 
 If you use -s, you don't need -A.  That should speed up loading a *lot*.
 Just look at what the kernel spits out when you do that about duplicate
 symbols (well, at least I expect some verbosity).
 
 Just load the modules successively with -s, and no -S, -A or -o.
 
 --=20
 Quentin Garnier - cube@cubidou.net - cube@NetBSD.org
 "When I find the controls, I'll go where I like, I'll know where I want
 to be, but maybe for now I'll stay right here on a silent sea."
 KT Tunstall, Silent Sea, Eye to the Telescope, 2004.
 
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