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Message-ID: <12096.1269481001@localhost>
Date: Wed, 24 Mar 2010 21:36:41 -0400
From: Valdis.Kletnieks@...edu
To: akpm@...ux-foundation.org
Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: mmotm 2010-03-23 - IPv6 warnings...
On Tue, 23 Mar 2010 15:34:59 PDT, akpm@...ux-foundation.org said:
> The mm-of-the-moment snapshot 2010-03-23-15-34 has been uploaded to
>
> http://userweb.kernel.org/~akpm/mmotm/
Seen in my dmesg. It may be relevant that I'm at home, and my IPv6
prefix arrives via a PPP VPN connection. This happened about 20-25 seconds
after I launched pppd.
[ 175.269411] ------------[ cut here ]------------
[ 175.269433] WARNING: at net/ipv6/addrconf.c:544 inet6_ifa_finish_destroy+0x40/0xbb()
[ 175.269441] Hardware name: Latitude E6500
[ 175.269447] Modules linked in: ppp_async sunrpc usb_storage [last unloaded: scsi_wait_scan]
[ 175.269473] Pid: 7, comm: ksoftirqd/1 Tainted: G W 2.6.34-rc2-mmotm0323 #1
[ 175.269480] Call Trace:
[ 175.269488] <IRQ> [<ffffffff8103728a>] warn_slowpath_common+0x80/0x98
[ 175.269517] [<ffffffff810372b7>] warn_slowpath_null+0x15/0x17
[ 175.269530] [<ffffffff814f2093>] inet6_ifa_finish_destroy+0x40/0xbb
[ 175.269542] [<ffffffff814f2122>] in6_ifa_put+0x14/0x16
[ 175.269555] [<ffffffff814f4893>] addrconf_prefix_rcv+0x583/0x786
[ 175.269568] [<ffffffff814f70b3>] ? rt6_get_dflt_router+0xab/0xbb
[ 175.269581] [<ffffffff814fd98c>] ndisc_rcv+0x90f/0xdb4
[ 175.269595] [<ffffffff810852a7>] ? __rcu_read_unlock+0x30c/0x341
[ 175.269609] [<ffffffff81502f6d>] ? debug_lockdep_rcu_enabled+0x33/0x39
[ 175.269622] [<ffffffff815040ae>] icmpv6_rcv+0x59b/0x659
[ 175.269634] [<ffffffff81504c9e>] ? ipv6_chk_mcast_addr+0xaf/0x13d
[ 175.269648] [<ffffffff81063e21>] ? trace_hardirqs_on_caller+0x16/0x13c
[ 175.269661] [<ffffffff8103d5b3>] ? _local_bh_enable_ip+0x15c/0x16e
[ 175.269674] [<ffffffff8103d5ce>] ? local_bh_enable_ip+0x9/0xb
[ 175.269689] [<ffffffff81598c44>] ? _raw_read_unlock_bh+0x39/0x3e
[ 175.269702] [<ffffffff81504d13>] ? ipv6_chk_mcast_addr+0x124/0x13d
[ 175.269714] [<ffffffff814eee7d>] ? ip6_input_finish+0x0/0x343
[ 175.269726] [<ffffffff814ef066>] ip6_input_finish+0x1e9/0x343
[ 175.269737] [<ffffffff814eee7d>] ? ip6_input_finish+0x0/0x343
[ 175.269748] [<ffffffff814ef20c>] NF_HOOK.clone.1+0x4c/0x53
[ 175.269759] [<ffffffff814ef6d6>] ip6_input+0x1c/0x1e
[ 175.269769] [<ffffffff814ef7df>] ip6_mc_input+0x107/0x11c
[ 175.269780] [<ffffffff814eee17>] ? ip6_rcv_finish+0x0/0x26
[ 175.269791] [<ffffffff814eee39>] ip6_rcv_finish+0x22/0x26
[ 175.269802] [<ffffffff814ef20c>] NF_HOOK.clone.1+0x4c/0x53
[ 175.269812] [<ffffffff814ef666>] ipv6_rcv+0x453/0x4a7
[ 175.269827] [<ffffffff8146527e>] __netif_receive_skb+0x2da/0x307
[ 175.269839] [<ffffffff81465348>] process_backlog+0x9d/0xd6
[ 175.269851] [<ffffffff81465631>] net_rx_action+0xf2/0x356
[ 175.269863] [<ffffffff8103dc41>] __do_softirq+0x14a/0x282
[ 175.269876] [<ffffffff8100360c>] call_softirq+0x1c/0x34
[ 175.269882] <EOI> [<ffffffff81004b58>] ? do_softirq+0x44/0xf0
[ 175.269901] [<ffffffff8103d7dd>] run_ksoftirqd+0xbc/0x1fb
[ 175.269912] [<ffffffff8103d721>] ? run_ksoftirqd+0x0/0x1fb
[ 175.269925] [<ffffffff81052c6b>] kthread+0x7a/0x82
[ 175.269937] [<ffffffff81003514>] kernel_thread_helper+0x4/0x10
[ 175.269949] [<ffffffff81599900>] ? restore_args+0x0/0x30
[ 175.269961] [<ffffffff81052bf1>] ? kthread+0x0/0x82
[ 175.269971] [<ffffffff81003510>] ? kernel_thread_helper+0x0/0x10
[ 175.269979] ---[ end trace a7919e7f17c0a727 ]---
[ 175.269986] Freeing alive inet6 address ffff880107e1a400
[ 176.472172] ------------[ cut here ]------------
[ 176.472192] WARNING: at net/ipv6/addrconf.c:544 inet6_ifa_finish_destroy+0x40/0xbb()
[ 176.472200] Hardware name: Latitude E6500
[ 176.472206] Modules linked in: ppp_async sunrpc usb_storage [last unloaded: scsi_wait_scan]
[ 176.472232] Pid: 4008, comm: fetchmail Tainted: G W 2.6.34-rc2-mmotm0323 #1
[ 176.472239] Call Trace:
[ 176.472256] [<ffffffff8103728a>] warn_slowpath_common+0x80/0x98
[ 176.472269] [<ffffffff810372b7>] warn_slowpath_null+0x15/0x17
[ 176.472280] [<ffffffff814f2093>] inet6_ifa_finish_destroy+0x40/0xbb
[ 176.472291] [<ffffffff814f2122>] in6_ifa_put+0x14/0x16
[ 176.472303] [<ffffffff814f2a7b>] ipv6_dev_get_saddr+0x2b3/0x2c7
[ 176.472316] [<ffffffff814f8f32>] ? fib6_rule_lookup+0x18/0x1a
[ 176.472328] [<ffffffff814ebb04>] ip6_dst_lookup_tail+0x90/0xc5
[ 176.472339] [<ffffffff814ebc37>] ip6_dst_lookup+0x10/0x12
[ 176.472352] [<ffffffff8150f712>] ip6_datagram_connect+0x334/0x4f6
[ 176.472365] [<ffffffff8103d5b3>] ? _local_bh_enable_ip+0x15c/0x16e
[ 176.472378] [<ffffffff81457d82>] ? release_sock+0xff/0x108
[ 176.472390] [<ffffffff814c0042>] inet_dgram_connect+0x56/0x5d
[ 176.472402] [<ffffffff81455907>] sys_connect+0x75/0x98
[ 176.472415] [<ffffffff810e24b4>] ? path_put+0x1d/0x22
[ 176.472429] [<ffffffff81063e21>] ? trace_hardirqs_on_caller+0x16/0x13c
[ 176.472442] [<ffffffff8107d442>] ? audit_syscall_entry+0xcb/0x19c
[ 176.472455] [<ffffffff810026eb>] system_call_fastpath+0x16/0x1b
[ 176.472464] ---[ end trace a7919e7f17c0a728 ]---
[ 176.472472] Freeing alive inet6 address ffff880107e1a400
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