From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753219Ab0LGKlH (ORCPT ); Tue, 7 Dec 2010 05:41:07 -0500 Received: from smtp-tls1.univ-nantes.fr ([193.52.101.145]:35296 "EHLO smtp-tls.univ-nantes.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751171Ab0LGKlE (ORCPT ); Tue, 7 Dec 2010 05:41:04 -0500 Message-ID: <4CFE0F38.6040100@univ-nantes.fr> Date: Tue, 07 Dec 2010 11:40:56 +0100 From: Menil Jean-Philippe Reply-To: jean-philippe.menil@univ-nantes.fr Organization: =?ISO-8859-15?Q?Univerist=E9_de_Nantes?= User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.12) Gecko/20101027 Thunderbird/3.1.6 MIME-Version: 1.0 To: netdev@vger.kernel.org CC: Michael Leun , "Eric W. Biederman" , David Lamparter , Greg KH , davem@davemloft.net, linux-kernel@vger.kernel.org, Alexey Dobriyan , Patrick McHardy Subject: Re: NET_NS: unregister_netdevice: waiting for lo to become free (adding ipv6 address to interface) References: <20100710235323.5336f627@xenia.leun.net> <20100711192939.1c25dcaf@xenia.leun.net> <20100804153543.56f6ecad@xenia.leun.net> <20100804214618.GA6289@kroah.com> <20100805001105.5a3453ed@xenia.leun.net> <20100805112538.60a46cb1@xenia.leun.net> <20100805134707.0442a7b1@xenia.leun.net> <20101021171532.54af5e97@xenia.leun.net> <20101022124858.GA719746@jupiter.n2.diac24.net> <20101022190532.00e9e5d8@xenia.leun.net> <20101024151541.161bf46c@xenia.leun.net> <4CFD0A8F.8010906@univ-nantes.fr> <20101206234725.622a2212@xenia.leun.net> In-Reply-To: <20101206234725.622a2212@xenia.leun.net> Content-Type: multipart/mixed; boundary="------------060701070208070705090602" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a multi-part message in MIME format. --------------060701070208070705090602 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 8bit Le 06/12/2010 23:47, Michael Leun a écrit : > On Mon, 06 Dec 2010 13:22:00 -0800 > ebiederm@xmission.com (Eric W. Biederman) wrote: > >> Menil Jean-Philippe writes: >> >>> Le 24/10/2010 15:15, Michael Leun a écrit : >>>> On Fri, 22 Oct 2010 19:05:32 +0200 >>>> Michael Leun wrote: >>>> >>>>> On Fri, 22 Oct 2010 14:48:58 +0200 >>>>> David Lamparter wrote: >>>>> >>>>>> On Thu, Oct 21, 2010 at 05:15:32PM +0200, Michael Leun wrote: >>>>>>> unfortunately the bug described below originally reported in >>>>>>> 2.6.35-rcX is still there in 2.6.36. > [...] >>> curiously, i'm facing a similar problem in 2.6.36.1 >>> >>> in my container, when i configure ipv6 adress on the interfaces, >>> everything seems good on the first boot of the host. If i shutdown >>> my container (lxc), then boot it, i observe the following logs: >>> Dec 6 17:04:12 suntory.u06.univ-nantes.prive kernel: [ 368.192019] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:04:22 suntory.u06.univ-nantes.prive kernel: [ 378.432018] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:04:32 suntory.u06.univ-nantes.prive kernel: [ 388.672015] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:04:42 suntory.u06.univ-nantes.prive kernel: [ 398.912016] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:04:53 suntory.u06.univ-nantes.prive kernel: [ 409.152016] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:03 suntory.u06.univ-nantes.prive kernel: [ 419.392018] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:13 suntory.u06.univ-nantes.prive kernel: [ 429.632018] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:23 suntory.u06.univ-nantes.prive kernel: [ 439.876016] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:34 suntory.u06.univ-nantes.prive kernel: [ 450.116015] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:44 suntory.u06.univ-nantes.prive kernel: [ 460.356019] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:05:54 suntory.u06.univ-nantes.prive kernel: [ 470.596020] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:06:04 suntory.u06.univ-nantes.prive kernel: [ 480.836019] >>> unregister_netdevice: waiting for lo to become free. Usage count = 4 >>> Dec 6 17:06:05 suntory.u06.univ-nantes.prive kernel: >>> [ 481.468021] INFO: task lxc-start:3805 blocked for more than 120 >>> seconds. >>> >>> Then i must reboot the host. >>> The same on kernel 2.6.34, but everything is good on a 2.6.32 >>> >>> Some relvant informations about the kernel: >>> root@suntory:~# cat /boot/config-2.6.36.1-dsiun-1d | grep -i sysfs >>> # CONFIG_SYSFS_DEPRECATED_V2 is not set >>> CONFIG_ACPI_SYSFS_POWER=y >>> # CONFIG_WIRELESS_EXT_SYSFS is not set >>> CONFIG_ISCSI_BOOT_SYSFS=m >>> CONFIG_RTC_INTF_SYSFS=y >>> CONFIG_SYSFS=y >>> root@suntory:~# cat /boot/config-2.6.36.1-dsiun-1d | grep -i net_ns >>> CONFIG_NET_NS=y >>> >>> Is there anything in my configuration, i must check in order to get >>> ipv6 working fully in the container? >> >> 2.6.37-rc4 is working here. There were problems earlier in the >> earlier rcs. Can you try that? >> >> There have been a couple of different reference counting bugs between >> 2.6.34 and the present, and I haven't tracked them, just noticed they >> exist. > > Can reproduce the following still on 2.6.36.1, but NOT on 2.6.37-rc4 - > so indeed seems to be fixed! > > > Putting an ipv6 address on a device seems to be the trigger: > > OrigNS> # ip link add type veth > OrigNS> # ip link set dev veth0 up > OrigNS> # unshare -n /bin/bash > NewNS> # echo $$ > > OrigNS> # ip link set dev veth1 netns # this, of course is > on a different terminal NewNS> # ip link set dev veth1 up > NewNS> # ip -6 addr add dev veth1 fd50:dead:beef::1/64 > NewNS> # exit > > Yields > > kernel: unregister_netdevice: waiting for veth1 to become free. Usage > count = 3 > > Hi, thanks for the info. Unfortunately, i have another error with a kernel 2.6.37-rc5, already related to iov6 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.803477] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.803554] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.803616] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.803673] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.806871] Pid: 5, comm: kworker/u:0 Not tainted 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.806931] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.806991] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807057] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807118] [] ? schedule+0x79d/0x846 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807182] [] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807247] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807311] [] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807377] [] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807441] [] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807507] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807572] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807636] [] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807700] [] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807763] [] ? _raw_write_lock_bh+0xe/0x26 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807827] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807892] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807957] [] ? fib6_age+0x0/0x68 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808031] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808096] [] ? dev_close+0x31/0x35 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808155] [] ? rollback_registered_many+0xbe/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808218] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808280] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808342] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808401] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808461] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808521] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808582] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808642] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808701] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808761] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808822] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808882] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808941] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809001] ---[ end trace 3cbd5a9c87888acb ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809058] fib6_clean_node: del failed: rt=ffff88045e923680@ffff88045d52dd00 err=-2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809061] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809123] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809184] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.809240] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812440] Pid: 5, comm: kworker/u:0 Tainted: G W 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812515] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812570] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812635] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812695] [] ? printk+0x40/0x49 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812758] [] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812823] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812887] [] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812953] [] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813017] [] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813083] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813147] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813212] [] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813276] [] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813337] [] ? _raw_write_lock_bh+0xe/0x26 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813401] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813467] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813532] [] ? fib6_age+0x0/0x68 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813592] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813653] [] ? dev_close+0x31/0x35 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813713] [] ? rollback_registered_many+0xbe/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813775] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813836] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813898] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813957] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.814017] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819101] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819161] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819221] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819281] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819341] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819400] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819461] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819519] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819579] ---[ end trace 3cbd5a9c87888acc ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819636] fib6_clean_node: del failed: rt=ffff88045e923900@ffff88085dc30380 err=-2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.838291] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.838360] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.838421] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.838477] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841677] Pid: 5, comm: kworker/u:0 Tainted: G W 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841752] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841809] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841874] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841936] [] ? netlink_broadcast_filtered+0x369/0x399 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842003] [] ? igmp6_group_dropped+0x222/0x231 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842069] [] ? __ip6_del_rt+0x47/0x66 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842133] [] ? ip6_del_rt+0x2e/0x33 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842197] [] ? __ipv6_ifa_notify+0x156/0x19d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842263] [] ? addrconf_ifdown+0x34f/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842328] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842390] [] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842451] [] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842515] [] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842577] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842639] [] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842701] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842763] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842824] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842883] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842943] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843003] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843064] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843124] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843183] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843243] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843302] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843363] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843421] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843481] ---[ end trace 3cbd5a9c87888acd ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843629] V2002: port 2(dns2-lmb-serv) entering disabled state Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.846285] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.846352] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.846414] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.846469] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849680] Pid: 5, comm: kworker/u:0 Tainted: G W 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849755] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849813] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849878] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849940] [] ? netlink_broadcast_filtered+0x369/0x399 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850007] [] ? igmp6_group_dropped+0x222/0x231 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850073] [] ? __ip6_del_rt+0x47/0x66 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850137] [] ? ip6_del_rt+0x2e/0x33 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850201] [] ? __ipv6_ifa_notify+0x156/0x19d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850267] [] ? addrconf_ifdown+0x34f/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850332] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850395] [] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850456] [] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850520] [] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850582] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850644] [] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850706] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850768] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850830] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850889] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850949] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851009] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851070] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851130] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851189] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851249] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851308] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851369] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851427] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851487] ---[ end trace 3cbd5a9c87888ace ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851627] V2003: port 2(dns2-lmb-clus) entering disabled state Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.854386] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.854455] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.854517] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.854573] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.857801] Pid: 5, comm: kworker/u:0 Tainted: G W 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.857876] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.857934] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.857999] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858060] [] ? extract_buf+0x76/0xc2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858124] [] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858189] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858253] [] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858319] [] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858383] [] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858449] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858514] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858578] [] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858642] [] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858708] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858770] [] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858832] [] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858896] [] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858959] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859021] [] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859083] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859145] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859207] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859266] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859326] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859386] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859447] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859507] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859567] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859627] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859686] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859747] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859805] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859865] ---[ end trace 3cbd5a9c87888acf ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859923] fib6_clean_node: del failed: rt=ffff88045e923680@ffff88045d52dd00 err=-2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859925] ------------[ cut here ]------------ Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859987] WARNING: at net/ipv6/ip6_fib.c:1172 fib6_del+0x3e/0x2ce [ipv6]() Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.860065] Hardware name: PowerEdge M605 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.860121] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat ipt_REJECT veth fuse xt_physdev ip6t_LOG ip6table_filter ip6_tables ipt_LOG xt_multiport xt_limit xt_tcpudp xt_state iptable_filter ip_tables x_tables nf_conntrack_tftp nf_conntrack_ftp nf_conntrack_ipv4 nf_defrag_ipv4 8021q bridge stp ext2 mbcache dm_round_robin dm_multipath nf_conntrack_ipv6 nf_conntrack nf_defrag_ipv6 ipv6 snd_pcm snd_timer snd soundcore snd_page_alloc tpm_tis tpm psmouse tpm_bios i2c_nforce2 pcspkr shpchp serio_raw pci_hotplug i2c_core button joydev ghes hed evdev dcdbas processor thermal_sys xfs exportfs dm_mod btrfs zlib_deflate crc32c libcrc32c sg sr_mod cdrom usbhid hid usb_storage ses sd_mod enclosure megaraid_sas lpfc ohci_hcd scsi_transport_fc scsi_tgt scsi_mod bnx2 ehci_hcd [last unloaded: scsi_wait_scan] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863303] Pid: 5, comm: kworker/u:0 Tainted: G W 2.6.37-rc5-dsiun-1a #2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863378] Call Trace: Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863433] [] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863498] [] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863559] [] ? printk+0x40/0x49 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863622] [] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863686] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863751] [] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863817] [] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863881] [] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863946] [] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864046] [] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864112] [] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864177] [] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864242] [] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864303] [] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864364] [] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869452] [] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869515] [] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869577] [] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869639] [] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869701] [] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869762] [] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869821] [] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869881] [] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869941] [] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870001] [] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870061] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870121] [] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870180] [] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870239] [] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870300] [] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870358] [] ? kernel_thread_helper+0x0/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870418] ---[ end trace 3cbd5a9c87888ad0 ]--- Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870476] fib6_clean_node: del failed: rt=ffff88045e923900@ffff88085dc30380 err=-2 Dec 7 11:36:59 suntory.u06.univ-nantes.prive kernel: [ 1459.702735] device dns2-lmb-clus entered promiscuous mode Dec 7 11:36:59 suntory.u06.univ-nantes.prive kernel: [ 1459.704898] ADDRCONF(NETDEV_UP): dns2-lmb-clus: link is not ready Dec 7 11:36:59 suntory.u06.univ-nantes.prive kernel: [ 1459.706711] device dns2-lmb-serv entered promiscuous mode Dec 7 11:36:59 suntory.u06.univ-nantes.prive kernel: [ 1459.709079] ADDRCONF(NETDEV_UP): dns2-lmb-serv: link is not ready Dec 7 11:37:04 suntory.u06.univ-nantes.prive kernel: [ 1465.152018] unregister_netdevice: waiting for eth1 to become free. Usage count = 1 Dec 7 11:37:15 suntory.u06.univ-nantes.prive kernel: [ 1475.392020] unregister_netdevice: waiting for eth1 to become free. Usage count = 1 Dec 7 11:37:25 suntory.u06.univ-nantes.prive kernel: [ 1485.632020] unregister_netdevice: waiting for eth1 to become free. Usage count = 1 I continue my tests. thanks for your help. Regards. --------------060701070208070705090602 Content-Type: text/x-vcard; charset=utf-8; name="jean-philippe_menil.vcf" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="jean-philippe_menil.vcf" begin:vcard fn:Jean-Philippe Menil n:Menil;Jean-Philippe org;quoted-printable:Universit=C3=A9 de Nantes;IRTS adr;quoted-printable:;;2 rue de la Houssini=C3=A8re;Nantes;;44322;France email;internet:jean-philippe.menil@univ-nantes.fr title:Reseau tel;work:02 53 48 49 27 tel;fax:(33)2 51 12 58 60 tel;cell:06 45 38 87 75 url:http://www.cri.univ-nantes.fr version:2.1 end:vcard --------------060701070208070705090602--