Re: NET_NS: unregister_netdevice: waiting for lo to become free (adding ipv6 address to interface)

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Le 06/12/2010 23:47, Michael Leun a écrit :
On Mon, 06 Dec 2010 13:22:00 -0800
ebiederm@xxxxxxxxxxxx (Eric W. Biederman) wrote:

Menil Jean-Philippe<jean-philippe.menil@xxxxxxxxxxxxxx>  writes:

Le 24/10/2010 15:15, Michael Leun a écrit :
On Fri, 22 Oct 2010 19:05:32 +0200
Michael Leun<lkml20100708@xxxxxxxxxxxxxxx>   wrote:

On Fri, 22 Oct 2010 14:48:58 +0200
David Lamparter<equinox@xxxxxxxxxx>   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 $$
<SomePID>
OrigNS>  # ip link set dev veth1 netns<SomePID>  # 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807057] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807118] [<ffffffff812d69c8>] ? schedule+0x79d/0x846 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807182] [<ffffffffa02df9ed>] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807247] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807311] [<ffffffffa02dee56>] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807377] [<ffffffffa02def2a>] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807441] [<ffffffffa02df006>] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807507] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807572] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807636] [<ffffffffa02de76f>] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807700] [<ffffffffa02d811a>] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807763] [<ffffffff812d81ba>] ? _raw_write_lock_bh+0xe/0x26 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807827] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807892] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.807957] [<ffffffffa02de7fb>] ? fib6_age+0x0/0x68 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808031] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808096] [<ffffffff812544d6>] ? dev_close+0x31/0x35 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808155] [<ffffffff81254598>] ? rollback_registered_many+0xbe/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808218] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808280] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808342] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808401] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808461] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808521] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808582] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808642] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808701] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808761] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808822] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808882] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.808941] [<ffffffff810037a0>] ? 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812635] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812695] [<ffffffff812d5e6f>] ? printk+0x40/0x49 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812758] [<ffffffffa02df9ed>] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812823] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812887] [<ffffffffa02dee56>] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.812953] [<ffffffffa02def2a>] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813017] [<ffffffffa02df006>] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813083] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813147] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813212] [<ffffffffa02de76f>] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813276] [<ffffffffa02d811a>] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813337] [<ffffffff812d81ba>] ? _raw_write_lock_bh+0xe/0x26 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813401] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813467] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813532] [<ffffffffa02de7fb>] ? fib6_age+0x0/0x68 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813592] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813653] [<ffffffff812544d6>] ? dev_close+0x31/0x35 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813713] [<ffffffff81254598>] ? rollback_registered_many+0xbe/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813775] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813836] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813898] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.813957] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.814017] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819101] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819161] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819221] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819281] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819341] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819400] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819461] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.819519] [<ffffffff810037a0>] ? 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841874] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.841936] [<ffffffff81271900>] ? netlink_broadcast_filtered+0x369/0x399 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842003] [<ffffffffa02ed4b7>] ? igmp6_group_dropped+0x222/0x231 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842069] [<ffffffffa02dbc00>] ? __ip6_del_rt+0x47/0x66 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842133] [<ffffffffa02dbd69>] ? ip6_del_rt+0x2e/0x33 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842197] [<ffffffffa02d68b0>] ? __ipv6_ifa_notify+0x156/0x19d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842263] [<ffffffffa02d840e>] ? addrconf_ifdown+0x34f/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842328] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842390] [<ffffffff8104d5bd>] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842451] [<ffffffff81249a96>] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842515] [<ffffffffa02f7d54>] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842577] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842639] [<ffffffff812545ee>] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842701] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842763] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842824] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842883] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.842943] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843003] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843064] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843124] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843183] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843243] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843302] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843363] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.843421] [<ffffffff810037a0>] ? 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849878] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.849940] [<ffffffff81271900>] ? netlink_broadcast_filtered+0x369/0x399 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850007] [<ffffffffa02ed4b7>] ? igmp6_group_dropped+0x222/0x231 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850073] [<ffffffffa02dbc00>] ? __ip6_del_rt+0x47/0x66 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850137] [<ffffffffa02dbd69>] ? ip6_del_rt+0x2e/0x33 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850201] [<ffffffffa02d68b0>] ? __ipv6_ifa_notify+0x156/0x19d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850267] [<ffffffffa02d840e>] ? addrconf_ifdown+0x34f/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850332] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850395] [<ffffffff8104d5bd>] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850456] [<ffffffff81249a96>] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850520] [<ffffffffa02f7d54>] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850582] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850644] [<ffffffff812545ee>] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850706] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850768] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850830] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850889] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.850949] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851009] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851070] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851130] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851189] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851249] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851308] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851369] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.851427] [<ffffffff810037a0>] ? 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.857999] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858060] [<ffffffff811fbe80>] ? extract_buf+0x76/0xc2 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858124] [<ffffffffa02df9ed>] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858189] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858253] [<ffffffffa02dee56>] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858319] [<ffffffffa02def2a>] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858383] [<ffffffffa02df006>] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858449] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858514] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858578] [<ffffffffa02de76f>] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858642] [<ffffffffa02d811a>] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858708] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858770] [<ffffffff8104d5bd>] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858832] [<ffffffff81249a96>] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858896] [<ffffffffa02f7d54>] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.858959] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859021] [<ffffffff812545ee>] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859083] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859145] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859207] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859266] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859326] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859386] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859447] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859507] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859567] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859627] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859686] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859747] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.859805] [<ffffffff810037a0>] ? 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] [<ffffffff81040f56>] ? warn_slowpath_common+0x78/0x8c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863498] [<ffffffffa02df719>] ? fib6_del+0x3e/0x2ce [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863559] [<ffffffff812d5e6f>] ? printk+0x40/0x49 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863622] [<ffffffffa02df9ed>] ? fib6_clean_node+0x44/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863686] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863751] [<ffffffffa02dee56>] ? fib6_walk_continue+0xaa/0x12d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863817] [<ffffffffa02def2a>] ? fib6_walk+0x51/0xa4 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863881] [<ffffffffa02df006>] ? fib6_clean_all+0x89/0xb7 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.863946] [<ffffffffa02df9a9>] ? fib6_clean_node+0x0/0x96 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864046] [<ffffffffa02db04b>] ? fib6_ifdown+0x0/0x21 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864112] [<ffffffffa02de76f>] ? rt6_ifdown+0x26/0x9f [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864177] [<ffffffffa02d811a>] ? addrconf_ifdown+0x5b/0x441 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864242] [<ffffffffa02d8e94>] ? addrconf_notify+0x6eb/0x78d [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864303] [<ffffffff8104d5bd>] ? try_to_del_timer_sync+0xab/0xb4 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.864364] [<ffffffff81249a96>] ? skb_dequeue+0x54/0x5c Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869452] [<ffffffffa02f7d54>] ? ip6mr_device_event+0xa2/0xb3 [ipv6] Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869515] [<ffffffff8105ea16>] ? notifier_call_chain+0x2e/0x5b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869577] [<ffffffff812545ee>] ? rollback_registered_many+0x114/0x1fa Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869639] [<ffffffff812546e2>] ? unregister_netdevice_many+0xe/0x62 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869701] [<ffffffff81254892>] ? default_device_exit_batch+0x9e/0xb0 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869762] [<ffffffff8124eed8>] ? cleanup_net+0x0/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869821] [<ffffffff8124efcf>] ? cleanup_net+0xf7/0x190 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869881] [<ffffffff8105752b>] ? process_one_work+0x250/0x3ce Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.869941] [<ffffffff81057a4c>] ? worker_thread+0x1cf/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870001] [<ffffffff8102f5a5>] ? __wake_up_common+0x41/0x78 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870061] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870121] [<ffffffff8105787d>] ? worker_thread+0x0/0x34b Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870180] [<ffffffff8105a616>] ? kthread+0x7a/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870239] [<ffffffff810037a4>] ? kernel_thread_helper+0x4/0x10 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870300] [<ffffffff8105a59c>] ? kthread+0x0/0x82 Dec 7 11:36:54 suntory.u06.univ-nantes.prive kernel: [ 1454.870358] [<ffffffff810037a0>] ? 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.
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@xxxxxxxxxxxxxx
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


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