linux-kernel - Re: 2.6.21-rc7-mm1 + sysfs patch -- RTNL: assertion failed at net/ipv6/addrconf.c (2123)

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Message-Id: <20070424234115.6c6bc7c3.akpm@linux-foundation.org>
Date:	Tue, 24 Apr 2007 23:41:15 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Miles Lane" <miles.lane@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.21-rc7-mm1 + sysfs patch -- RTNL: assertion failed at
 net/ipv6/addrconf.c (2123)

On Tue, 24 Apr 2007 23:35:37 -0700 "Miles Lane" <miles.lane@...il.com> wrote:

> And then this:
> [  278.835674] RTNL: assertion failed at net/ipv6/addrconf.c (2123)
> [  278.835684]  [<c0104e0f>] show_trace_log_lvl+0x1a/0x30
> [  278.835701]  [<c0105a26>] show_trace+0x12/0x14
> [  278.835713]  [<c0105ab3>] dump_stack+0x16/0x18
> [  278.835723]  [<f95c660a>] addrconf_notify+0x5dd/0x7d0 [ipv6]
> [  278.835795]  [<c0125572>] notifier_call_chain+0x2b/0x4a
> [  278.835809]  [<c01255be>] __raw_notifier_call_chain+0x19/0x1f
> [  278.835822]  [<c01255de>] raw_notifier_call_chain+0x1a/0x1c
> [  278.835834]  [<c025041e>] netdev_state_change+0x23/0x35
> [  278.835849]  [<c0258e76>] rtnl_setlink+0x34f/0x3ef
> [  278.835861]  [<c025845e>] rtnetlink_rcv_msg+0x198/0x1b2
> [  278.835873]  [<c025f4b3>] netlink_run_queue+0x6f/0xe1
> [  278.835885]  [<c0258277>] rtnetlink_rcv+0x29/0x44
> [  278.835896]  [<c025f82c>] netlink_data_ready+0x15/0x55
> [  278.835907]  [<c025e877>] netlink_sendskb+0x22/0x53
> [  278.835918]  [<c025f1f0>] netlink_unicast+0x1bb/0x1d5
> [  278.835929]  [<c025f80b>] netlink_sendmsg+0x246/0x252
> [  278.835940]  [<c02472e6>] sock_sendmsg+0xcc/0xe5
> [  278.835951]  [<c0247beb>] sys_sendto+0xcc/0xec
> [  278.835961]  [<c0247c41>] sys_send+0x36/0x38
> [  278.835971]  [<c02483f6>] sys_socketcall+0x13e/0x241
> [  278.835982]  [<c0103e66>] sysenter_past_esp+0x5f/0x99
> [  278.835993]  =======================

yes, that's the one I mentioned in the release notes.  It appears
to be harmless.

Dave has identified some fishiness in the netlink code which
might have caused this.
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