Date: Wed, 21 Jun 2006 12:06:41 +0400 (MSD) From: Maxim Konovalov <maxim@macomnet.ru> To: Gleb Smirnoff <glebius@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/net if.c Message-ID: <20060621120212.D93005@mp2.macomnet.net> In-Reply-To: <200606210602.k5L62Zor029243@repoman.freebsd.org> References: <200606210602.k5L62Zor029243@repoman.freebsd.org>
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On Wed, 21 Jun 2006, 06:02-0000, Gleb Smirnoff wrote:
> glebius 2006-06-21 06:02:35 UTC
>
> FreeBSD src repository
>
> Modified files:
> sys/net if.c
> Log:
> - First initialize ifnet, and then insert it into global
> list.
> - First remove from global list, then start destroying.
>
> PR: kern/97679
> Submitted by: Alex Lyashkov <shadow itt.net.ru>
> Reviewed by: rwatson, brooks
FWIW, even with Yar's recent commit to if_vlan.c it still panics. I
told Alex about that. A testcase below. Run it for several minutes.
#11 0xc05e1a4a in calltrap () at /usr/src/sys/i386/i386/exception.s:138
#12 0xc05608cb in in6ifa_ifpwithaddr (ifp=0xdeadc0de, addr=0xc39b5218)
at /usr/src/sys/netinet6/in6.c:1862
#13 0xc055e81d in in6_control (so=0xc2bbda60, cmd=0xc1206949,
data=0xc39b5200 "vlan2349", ifp=0xc3973000,
td=0xc39b5210) at /usr/src/sys/netinet6/in6.c:459
#14 0xc052c43c in ifioctl (so=0xc2bbda60, cmd=0xc1206949,
data=0xc39b5200 "vlan2349", td=0xc2afd870)
at /usr/src/sys/net/if.c:1530
#15 0xc04efb47 in soo_ioctl (fp=0xdeadc0de, cmd=0xc1206949,
data=0xc39b5200, active_cred=0xc2e64700, td=0xc2afd870)
at /usr/src/sys/kern/sys_socket.c:214
#16 0xc04ea810 in ioctl (td=0xc2afd870, uap=0xd56a7d04) at file.h:265
#!/bin/sh
create() {
for i in `jot 4000`
do
ifconfig vlan$i create
ifconfig vlan$i vlan $i vlandev rl0
ifconfig vlan$i 10.10.10.10/32
done
}
destroy() {
for i in `jot 4000`
do
ifconfig vlan$i destroy
done
}
show() {
while :; do ifconfig >/dev/null 2>&1; done
}
show &
while :
do
create
destroy
done
%%%
--
Maxim Konovalov
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