Date: Sat, 13 Dec 2008 20:06:12 +0000 (UTC) From: Tor Egge <Tor.Egge@cvsup.no.freebsd.org> To: glz@hidden-powers.com Cc: freebsd-current@freebsd.org, kmacy@freebsd.org Subject: Re: [PANIC] _rw_rlock (radix node head): wlock already held @ /usr/src/sys/net/route.c:291 Message-ID: <20081213.200612.74714794.Tor.Egge@cvsup.no.freebsd.org> In-Reply-To: <088C87B70CB486D2F808091A@[10.255.253.2]> References: <088C87B70CB486D2F808091A@[10.255.253.2]>
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[-- Attachment #1 --]
> I upgraded to CURRENT Dec 12 11pm and get this panic when ifconfig tries to
> add an ipv6 route.
I've gotten similar panics and am currently using the enclosed patch.
- Tor Egge
[-- Attachment #2 --]
Index: sys/netinet/in_rmx.c
===================================================================
RCS file: /home/ncvs/src/sys/netinet/in_rmx.c,v
retrieving revision 1.65
diff -u -r1.65 in_rmx.c
--- sys/netinet/in_rmx.c 2 Dec 2008 21:37:28 -0000 1.65
+++ sys/netinet/in_rmx.c 13 Dec 2008 15:43:33 -0000
@@ -115,7 +115,7 @@
* ARP entry and delete it if so.
*/
rt2 = in_rtalloc1((struct sockaddr *)sin, 0,
- RTF_CLONING, rt->rt_fibnum);
+ RTF_CLONING | RTF_RNH_LOCKED, rt->rt_fibnum);
if (rt2) {
if (rt2->rt_flags & RTF_LLINFO &&
rt2->rt_flags & RTF_HOST &&
Index: sys/netinet6/in6_rmx.c
===================================================================
RCS file: /home/ncvs/src/sys/netinet6/in6_rmx.c,v
retrieving revision 1.31
diff -u -r1.31 in6_rmx.c
--- sys/netinet6/in6_rmx.c 8 Dec 2008 00:28:21 -0000 1.31
+++ sys/netinet6/in6_rmx.c 13 Dec 2008 19:51:18 -0000
@@ -160,7 +160,8 @@
* Find out if it is because of an
* ARP entry and delete it if so.
*/
- rt2 = rtalloc1((struct sockaddr *)sin6, 0, RTF_CLONING);
+ rt2 = rtalloc1((struct sockaddr *)sin6, 0,
+ RTF_CLONING | RTF_RNH_LOCKED);
if (rt2) {
if (rt2->rt_flags & RTF_LLINFO &&
rt2->rt_flags & RTF_HOST &&
@@ -187,7 +188,8 @@
* net route entry, 3ffe:0501:: -> if0.
* This case should not raise an error.
*/
- rt2 = rtalloc1((struct sockaddr *)sin6, 0, RTF_CLONING);
+ rt2 = rtalloc1((struct sockaddr *)sin6, 0,
+ RTF_CLONING | RTF_RNH_LOCKED);
if (rt2) {
if ((rt2->rt_flags & (RTF_CLONING|RTF_HOST|RTF_GATEWAY))
== RTF_CLONING
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