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Date: Tue, 28 Jul 2009 11:48:05 +0200
From: Rene Mayrhofer <rene.mayrhofer@...raltar.at>
To: Stephen Hemminger <shemminger@...tta.com>
CC: netdev@...r.kernel.org, Richard Leitner <leitner@...s.at>
Subject: Re: Kernel oops on setting sky2 interfaces down
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Stephen Hemminger wrote:
> Does this help?
>
> --- a/drivers/net/sky2.c 2009-07-27 15:28:27.653757064 -0700
> +++ b/drivers/net/sky2.c 2009-07-27 15:34:24.358730966 -0700
> @@ -2763,6 +2763,11 @@ static int sky2_poll(struct napi_struct
> int work_done = 0;
> u16 idx;
>
> + if (unlikely(status == ~0)) {
> + dev_info(&hw->pdev->dev, "device status error\n");
> + goto clear_napi;
> + }
> +
> if (unlikely(status & Y2_IS_ERROR))
> sky2_err_intr(hw, status);
>
> @@ -2779,6 +2784,7 @@ static int sky2_poll(struct napi_struct
> goto done;
> }
>
> +clear_napi:
> napi_complete(napi);
> sky2_read32(hw, B0_Y2_SP_LISR);
> done:
With this applied, the behaviour is certainly different: On first
networking restart, the kernel still continues to run although there are
some phy errors. On the second restart, there is no Oops, but a BUG.
[~]# /etc/init.d/networking restart
Reconfiguring network interfaces...Removed VLAN -:quara.6:-
[ 269.681295] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.686079] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.691000] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.695880] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.700751] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.705613] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.710519] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.715420] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.720290] sky2 0000:03:00.0: dmz: phy I/O error
[ 269.725203] sky2 0000:03:00.0: dmz: phy I/O error
Set name-type for VLAN subsystem. Should be visible in /proc/net/vlan/config
Added VLAN with VID == 6 to IF -:testnet:-
[~]# /etc/init.d/networking restart
Reconfiguring network interfaces...[ 298.296616] ICMPv6 NA: someone
advertises our address on lan!
[ 299.360719] lan: hw csum failure.
[ 299.364169] Pid: 11563, comm: sh Not tainted 2.6.28.10 #3
[ 299.369763] Call Trace:
[ 299.372317] [<c09eb603>] __skb_checksum_complete_head+0x3e/0x4f
[ 299.378536] [<f827f1f7>] udp_error+0x124/0x198 [nf_conntrack]
[ 299.384571] [<f827f0d3>] udp_error+0x0/0x198 [nf_conntrack]
[ 299.390429] [<f827b7bd>] nf_conntrack_in+0x117/0x72a [nf_conntrack]
[ 299.397138] [<c08718e1>] handle_mm_fault+0x54a/0xbfa
[ 299.402464] [<c0a04da4>] nf_iterate+0x30/0x61
[ 299.407148] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 299.412108] [<c0a04f17>] nf_hook_slow+0x49/0xbd
[ 299.416893] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 299.421760] [<c0a0a5a9>] ip_rcv+0x1d6/0x20e
[ 299.426185] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 299.431067] [<c09ef01d>] netif_receive_skb+0x3f7/0x435
[ 299.436479] [<f8085143>] sky2_poll+0x844/0xc21 [sky2]
[ 299.441780] [<f817f52e>] au_reval_and_lock_fdi+0x7e/0x540 [aufs]
[ 299.448088] [<f817f3aa>] au_reopen_nondir+0x0/0x106 [aufs]
[ 299.453825] [<c09eda45>] net_rx_action+0xb8/0x1f6
[ 299.458886] [<c082f954>] __do_softirq+0x95/0x142
[ 299.463850] [<c082fa49>] do_softirq+0x48/0x57
[ 299.468547] [<c082fbc9>] irq_exit+0x3b/0x78
[ 299.473053] [<c0806642>] do_IRQ+0x7a/0x8c
[ 299.477306] [<c0804e23>] common_interrupt+0x23/0x30
[ 299.482543] [<c089f0f1>] fsstack_copy_inode_size+0x1d/0x3f
[ 299.488314] [<f817b3a4>] au_cpup_attr_timesizes+0x4e/0x58 [aufs]
[ 299.494615] [<f8180b06>] aufs_flush+0x93/0xc9 [aufs]
[ 299.499837] [<c0884a24>] filp_close+0x2e/0x53
[ 299.504559] [<c0884ab4>] sys_close+0x6b/0xa4
[ 299.509178] [<c0803cb2>] syscall_call+0x7/0xb
[ 299.513893] [<c0a60000>] rwsem_down_failed_common+0xa4/0x175
[ 299.621662] ------------[ cut here ]------------
[ 299.625591] kernel BUG at drivers/net/sky2.c:1781!
[ 299.625591] invalid opcode: 0000 [#1] PREEMPT SMP
[ 299.625591] last sysfs file:
/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
[ 299.625591] Modules linked in: xt_multiport cpufreq_userspace xt_DSCP
xt_length xt_mark xt_dscp xt_MARK xt_CONNMARK xt_comment xt_policy
ipt_REDIRECT ip6t_LOG xt_tcpudp ip6table_mangle iptable_mangle
ip6table_filter ip6_tables sit tunnel4 8021q garp stp llc ipt_LOG
xt_limit xt_state iptable_nat iptable_filter ip_tables x_tables dm_mod
p4_clockmod speedstep_lib freq_table tun imq nf_nat_ftp nf_nat
nf_conntrack_ftp nf_conntrack_ipv6 nf_conntrack_ipv4 nf_conntrack
nf_defrag_ipv4 ipv6 evdev parport_pc parport pcspkr serio_raw i2c_i801
i2c_core iTCO_wdt rng_core intel_agp agpgart squashfs sqlzma unlzma loop
aufs exportfs nls_utf8 nls_cp437 ide_generic sd_mod ide_gd_mod
ata_generic pata_acpi ata_piix piix ide_pci_generic ide_core skge sky2
thermal_sys
[ 299.625591]
[ 299.625591] Pid: 11626, comm: ip Not tainted (2.6.28.10 #3)
[ 299.625591] EIP: 0060:[<f80836a5>] EFLAGS: 00010256 CPU: 0
[ 299.625591] EIP is at sky2_down+0x84/0x5c3 [sky2]
[ 299.625591] EAX: f8010000 EBX: 00000280 ECX: 000006b4 EDX: f7060000
[ 299.625591] ESI: 00000000 EDI: f684e980 EBP: 00000001 ESP: f5e35b78
[ 299.625591] DS: 0068 ES: 0068 FS: 00d8 GS: 0033 SS: 0068
[ 299.625591] Process ip (pid: 11626, ti=f5e34000 task=f4a7e140
task.ti=f5e34000)
[ 299.625591] Stack:
[ 299.625591] f7060000 00000303 00000004 f7060500 00000004 c09fc8c5
00000000 f7060290
[ 299.625591] f7060000 00001002 00001003 00000001 c09f00bd f7060000
c09efe15 00000000
[ 299.625591] ffffffef 00000000 00000000 f5e35ce4 c09f66b8 f5e35c28
f5e8f410 f7060000
[ 299.625591] Call Trace:
[ 299.625591] [<c09fc8c5>] dev_deactivate+0x116/0x13b
[ 299.625591] [<c09f00bd>] dev_close+0x5f/0x7b
[ 299.625591] [<c09efe15>] dev_change_flags+0x9e/0x14f
[ 299.625591] [<c09f66b8>] do_setlink+0x28b/0x349
[ 299.625591] [<f80438b2>] skge_get_stats+0x2f/0x7b [skge]
[ 299.625591] [<c09f77a2>] rtnl_newlink+0x292/0x3f7
[ 299.625591] [<c09f756a>] rtnl_newlink+0x5a/0x3f7
[ 299.625591] [<c09f75aa>] rtnl_newlink+0x9a/0x3f7
[ 299.625591] [<c0862c3d>] find_get_page+0x87/0xaa
[ 299.625591] [<c09f7510>] rtnl_newlink+0x0/0x3f7
[ 299.625591] [<c09f74f6>] rtnetlink_rcv_msg+0x188/0x1a2
[ 299.625591] [<c09f736e>] rtnetlink_rcv_msg+0x0/0x1a2
[ 299.625591] [<c0a0390e>] netlink_rcv_skb+0x2d/0x73
[ 299.625591] [<c09f7368>] rtnetlink_rcv+0x19/0x1f
[ 299.625591] [<c0a03477>] netlink_unicast+0x1c7/0x229
[ 299.625591] [<c0a03729>] netlink_sendmsg+0x250/0x25d
[ 299.625591] [<c09e497a>] sock_sendmsg+0xc7/0xe1
[ 299.625591] [<c083b5fc>] autoremove_wake_function+0x0/0x2d
[ 299.625591] [<c083b5fc>] autoremove_wake_function+0x0/0x2d
[ 299.625591] [<c083b5fc>] autoremove_wake_function+0x0/0x2d
[ 299.625591] [<c09eb21b>] verify_iovec+0x3e/0x6b
[ 299.625591] [<c09e4b18>] sys_sendmsg+0x184/0x1e3
[ 299.625591] [<c09e574f>] sys_recvmsg+0x147/0x1e5
[ 299.625591] [<c09e5413>] sys_sendto+0xf9/0x124
[ 299.625591] [<c0a0298c>] netlink_insert+0xd2/0xef
[ 299.625591] [<c08757bb>] vma_merge+0x1d7/0x3ac
[ 299.625591] [<c09e5dd8>] sys_socketcall+0x177/0x1a9
[ 299.625591] [<c0875f3b>] sys_brk+0xd1/0xd9
[ 299.625591] [<c0803cb2>] syscall_call+0x7/0xb
[ 299.625591] [<c0a60000>] rwsem_down_failed_common+0xa4/0x175
[ 299.625591] Code: b5 00 66 08 f8 b8 00 02 00 00 8d 8b 34 04 00 00 89
ca 03 17 89 02 8b 14 24 8b 82 00 05 00 00 8b 00 83 c0 04 66 8b 00 66 40
75 04 <0f> 0b eb fe 89 c8 03 07 8b 00 ba 05 00 00 00 8d 83 28 08 00 00
[ 299.625591] EIP: [<f80836a5>] sky2_down+0x84/0x5c3 [sky2] SS:ESP
0068:f5e35b78
[ 299.969972] sky2 0000:03:00.0: device status error
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel[ 299.982399] ---[ end trace c27f023d76d6060f ]---
:[ 299.621662] ------------[ cut here ]------------
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] invalid opcode: 0000 [#1] PREEMPT SMP
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] last sysfs file:
/sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] Process ip (pid: 11626, ti=f5e34000 task=f4a7e140
task.ti=f5e34000)
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] Stack:
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] f7060000 00001002 00001003 00000001 c09f00bd
f7060000 c09efe15 00000000
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] ffffffef 00000000 00000000 f5e35ce4 c09f66b8
f5e35c28 f5e8f410 f7060000
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] Call Trace:
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09fc8c5>] dev_deactivate+0x116/0x13b
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f00bd>] dev_close+0x5f/0x7b
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09efe15>] dev_change_flags+0x9e/0x14f
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.6[ 300.125238] lan: hw csum failure.
25591] [<c09f66[ 300.128944] Pid: 0, comm: swapper Tainted: G D
2.6.28.10 #3
b8>] do_setlink+[ 300.136882] Call Trace:
0x28b/0x349
[ 300.140827] [<c09eb603>] __skb_checksum_complete_head+0x3e/0x4f
Message from s[ 300.148422] [<f827f1f7>] udp_error+0x124/0x198
[nf_conntrack]
yslogd@...raltar[ 300.155814] [<f827f0d3>] udp_error+0x0/0x198
[nf_conntrack]
3-esys-master at[ 300.163067] [<f827b7bd>] nf_conntrack_in+0x117/0x72a
[nf_conntrack]
Jul 28 11:46:45[ 300.170988] [<c08620a9>] cpupri_set+0xcf/0xeb
...
kernel:[[ 300.177061] [<c08232cf>] enqueue_task_rt+0xfd/0x1ba
299.625591] [[ 300.183686] [<c081f9e3>] enqueue_task+0x52/0x5d
<f80438b2>] skge[ 300.189847] [<c0a604e8>]
_spin_unlock_irqrestore+0x22/0x39
_get_stats+0x2f/[ 300.196991] [<c0827013>] try_to_wake_up+0x158/0x162
0x7b [skge]
[ 300.203501] [<c0a04da4>] nf_iterate+0x30/0x61
Message from s[ 300.209498] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
yslogd@...raltar[ 300.215661] [<c0a04f17>] nf_hook_slow+0x49/0xbd
3-esys-master at[ 300.221842] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
Jul 28 11:46:45[ 300.228078] [<c0a0a5a9>] ip_rcv+0x1d6/0x20e
...
kernel:[[ 300.233875] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
299.625591] [[ 300.240132] [<c09ef01d>] netif_receive_skb+0x3f7/0x435
<c09f77a2>] rtnl[ 300.246911] [<f8085143>] sky2_poll+0x844/0xc21 [sky2]
_newlink+0x292/0[ 300.253594] [<c09eda45>] net_rx_action+0xb8/0x1f6
x3f7
Messa[ 300.259939] [<c082f954>] __do_softirq+0x95/0x142
ge from syslogd@[ 300.266166] [<c082fa49>] do_softirq+0x48/0x57
gibraltar3-esys-[ 300.272137] [<c082fbc9>] irq_exit+0x3b/0x78
master at Jul 28[ 300.277945] [<c0806642>] do_IRQ+0x7a/0x8c
11:46:45 ...
[ 300.283559] [<c0804e23>] common_interrupt+0x23/0x30
kernel:[ 299.6[ 300.290055] [<c080a2c6>] mwait_idle+0x2f/0x3b
25591] [<c09f75[ 300.296043] [<c0802ac9>] cpu_idle+0x7a/0xad
6a>] rtnl_newlink+0x5a/0x3f7
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f75aa>] rtnl_newlink+0x9a/0x3f7
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c0862c3d>] find_get_page+0x87/0xaa
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f7510>] rtnl_newlink+0x0/0x3f7
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f74f6>] rtnetlink_rcv_msg+0x188/0x1a2
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f736e>] rtnetlink_rcv_msg+0x0/0x1a2
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c0a0390e>] netlink_rcv_skb+0x2d/0x73
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09f7368>] rtnetlink_rcv+0x19/0x1f
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c0a03477>] netlink_unicast+0x1c7/0x229
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c0a03729>] netlink_sendmsg+0x250/0x25d
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09e497a>] sock_sendmsg+0xc7/0xe1
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c083b5fc>] autoremove_wake_function+0x0/0x2d
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:last message repeated 2 times
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09eb21b>] verify_iovec+0x3e/0x6b
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09e4b18>] sys_sendmsg+0x184/0x1e3
Message from syslogd@...raltar3-esys-master at Jul 28 11:46:45 ...
kernel:[ 299.625591] [<c09e574f>] sys_recvmsg+0x
Message from/etc/network/if-down.d/60address: line 25: 11626
Segmentation fault ip link set dev $DEV down
run-parts: /etc/network/if-down.d/60address exited with return code 139
[ 300.968019] sky2 0000:03:00.0: device status error
^C
[~]# [ 302.000024] sky2 0000:03:00.0: device status error
[ 302.746708] lan: hw csum failure.
[ 302.750282] Pid: 0, comm: swapper Tainted: G D 2.6.28.10 #3
[ 302.757023] Call Trace:
[ 302.759602] [<c09eb603>] __skb_checksum_complete_head+0x3e/0x4f
[ 302.765863] [<f827f1f7>] udp_error+0x124/0x198 [nf_conntrack]
[ 302.771934] [<f827f0d3>] udp_error+0x0/0x198 [nf_conntrack]
[ 302.777799] [<f827b7bd>] nf_conntrack_in+0x117/0x72a [nf_conntrack]
[ 302.784380] [<c08210dd>] __wake_up_sync+0x2a/0x3e
[ 302.789356] [<c0a604e8>] _spin_unlock_irqrestore+0x22/0x39
[ 302.795129] [<c09e6ca5>] sock_def_readable+0x32/0x5b
[ 302.800379] [<c0a6050d>] _read_unlock+0xe/0x21
[ 302.805080] [<c09e8064>] sock_queue_rcv_skb+0xb5/0xbd
[ 302.810421] [<c0a25e9f>] __udp_queue_rcv_skb+0x12/0x86
[ 302.815849] [<c0a04da4>] nf_iterate+0x30/0x61
[ 302.820442] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 302.825356] [<c0a04f17>] nf_hook_slow+0x49/0xbd
[ 302.830416] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 302.835510] [<c0a0a5a9>] ip_rcv+0x1d6/0x20e
[ 302.840117] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 302.845167] [<c09ef01d>] netif_receive_skb+0x3f7/0x435
[ 302.850791] [<f8085143>] sky2_poll+0x844/0xc21 [sky2]
[ 302.856337] [<c0811a18>] lapic_next_event+0x10/0x13
[ 302.861672] [<c09eda45>] net_rx_action+0xb8/0x1f6
[ 302.866654] [<c082f954>] __do_softirq+0x95/0x142
[ 302.871590] [<c082fa49>] do_softirq+0x48/0x57
[ 302.876335] [<c082fbc9>] irq_exit+0x3b/0x78
[ 302.880861] [<c0806642>] do_IRQ+0x7a/0x8c
[ 302.885184] [<c0804e23>] common_interrupt+0x23/0x30
[ 302.890422] [<c080a2c6>] mwait_idle+0x2f/0x3b
[ 302.896051] [<c0802ac9>] cpu_idle+0x7a/0xad
[ 303.000027] sky2 0000:03:00.0: device status error
[ 303.058758] lan: hw csum failure.
[ 303.062367] Pid: 0, comm: swapper Tainted: G D 2.6.28.10 #3
[ 303.068861] Call Trace:
[ 303.071406] [<c09eb603>] __skb_checksum_complete_head+0x3e/0x4f
[ 303.077789] [<f827f1f7>] udp_error+0x124/0x198 [nf_conntrack]
[ 303.083871] [<c0811a18>] lapic_next_event+0x10/0x13
[ 303.089068] [<f827f0d3>] udp_error+0x0/0x198 [nf_conntrack]
[ 303.094929] [<f827b7bd>] nf_conntrack_in+0x117/0x72a [nf_conntrack]
[ 303.101514] [<c0844533>] tick_program_event+0x2c/0x32
[ 303.106851] [<c083e621>] hrtimer_interrupt+0x146/0x16e
[ 303.112313] [<c082fb99>] irq_exit+0xb/0x78
[ 303.116669] [<c081218f>] smp_apic_timer_interrupt+0x75/0x7f
[ 303.122585] [<c0a04da4>] nf_iterate+0x30/0x61
[ 303.127184] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 303.132067] [<c0a04f17>] nf_hook_slow+0x49/0xbd
[ 303.136911] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 303.141785] [<c0a0a5a9>] ip_rcv+0x1d6/0x20e
[ 303.146239] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 303.151112] [<c09ef01d>] netif_receive_skb+0x3f7/0x435
[ 303.156552] [<f8085143>] sky2_poll+0x844/0xc21 [sky2]
[ 303.161923] [<c08417f0>] getnstimeofday+0x4f/0xd5
[ 303.166879] [<c09eda45>] net_rx_action+0xb8/0x1f6
[ 303.171889] [<c082f954>] __do_softirq+0x95/0x142
[ 303.176758] [<c082fa49>] do_softirq+0x48/0x57
[ 303.181403] [<c082fbc9>] irq_exit+0x3b/0x78
[ 303.185850] [<c0806642>] do_IRQ+0x7a/0x8c
[ 303.190128] [<c0804e23>] common_interrupt+0x23/0x30
[ 303.195241] [<c080a2c6>] mwait_idle+0x2f/0x3b
[ 303.199879] [<c0802ac9>] cpu_idle+0x7a/0xad
[ 304.000039] sky2 0000:03:00.0: device status error
[ 304.150934] lan: hw csum failure.
[ 304.154546] Pid: 0, comm: swapper Tainted: G D 2.6.28.10 #3
[ 304.161288] Call Trace:
[ 304.163876] [<c09eb603>] __skb_checksum_complete_head+0x3e/0x4f
[ 304.170102] [<f827f1f7>] udp_error+0x124/0x198 [nf_conntrack]
[ 304.176113] [<c0811a18>] lapic_next_event+0x10/0x13
[ 304.181260] [<f827f0d3>] udp_error+0x0/0x198 [nf_conntrack]
[ 304.187188] [<f827b7bd>] nf_conntrack_in+0x117/0x72a [nf_conntrack]
[ 304.193794] [<c0844533>] tick_program_event+0x2c/0x32
[ 304.199092] [<c083e621>] hrtimer_interrupt+0x146/0x16e
[ 304.204545] [<c082fb99>] irq_exit+0xb/0x78
[ 304.208887] [<c081218f>] smp_apic_timer_interrupt+0x75/0x7f
[ 304.214774] [<c0a04da4>] nf_iterate+0x30/0x61
[ 304.219390] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 304.224251] [<c0a04f17>] nf_hook_slow+0x49/0xbd
[ 304.229045] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 304.233922] [<c0a0a5a9>] ip_rcv+0x1d6/0x20e
[ 304.238348] [<c0a0a124>] ip_rcv_finish+0x0/0x2af
[ 304.243199] [<c09ef01d>] netif_receive_skb+0x3f7/0x435
[ 304.248634] [<f8085143>] sky2_poll+0x844/0xc21 [sky2]
[ 304.253961] [<c0811a18>] lapic_next_event+0x10/0x13
[ 304.259076] [<c09eda45>] net_rx_action+0xb8/0x1f6
[ 304.264063] [<c082f954>] __do_softirq+0x95/0x142
[ 304.268988] [<c082fa49>] do_softirq+0x48/0x57
[ 304.273595] [<c082fbc9>] irq_exit+0x3b/0x78
[ 304.278053] [<c0806642>] do_IRQ+0x7a/0x8c
[ 304.282326] [<c0804e23>] common_interrupt+0x23/0x30
[ 304.287467] [<c080a2c6>] mwait_idle+0x2f/0x3b
[ 304.292095] [<c0802ac9>] cpu_idle+0x7a/0xad
[ 305.000039] sky2 0000:03:00.0: device status error
[ 306.000049] sky2 0000:03:00.0: device status error
[ 307.000058] sky2 0000:03:00.0: device status error
[ 308.000090] sky2 0000:03:00.0: device status error
[ 309.000145] sky2 0000:03:00.0: device status error
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