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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1616439
Title:
NMI watchdog: BUG: soft lockup - CPU#7 stuck for 23s!
Status in linux package in Ubuntu:
Incomplete
Bug description:
kernel run dead loop in __nf_conntrack_find_get with condition
unlikely(!nf_ct_key_equal(h, tuple, zone) always true. kernel will
dump soft lockup continusely with different address in
__nf_conntrack_find_get.
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.853293] NMI watchdog: BUG: soft
lockup - CPU#7 stuck for 23s! [qemu-system-x86:26945]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876315] Modules linked in: xt_nat
act_police sch_ingress cls_u32 sch_sfq sch_htb xt_physdev nbd xt_multiport
xt_comment xt_iprange ebt_dnat xt_conntrack ebt_arp veth xt_TCPMSS xt_CT xt_set
ip_set_hash_net iptable_raw ebtable_nat nf_conntrack_netlink ip_set nfnetlink
iptable_nat nf_nat_ipv4 ebtable_filter ebtables ip6table_filter ip6_tables
iptable_filter netconsole configfs xt_CHECKSUM xt_tcpudp iptable_mangle
ip_tables x_tables ipmi_ssif(E) joydev intel_rapl(E) iosf_mbi
x86_pkg_temp_thermal(E) bonding coretemp(E) crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper
lpc_ich(E) cryptd ipmi_si(E) sb_edac(E) edac_core(E) 8250_fintek(E)
ipmi_msghandler nf_nat nf_conntrack_pptp mac_hid(E) nf_conntrack_proto_gre
mei_me(E) br_netfilter mei(E) bridge(OE) stp wmi(E) llc nf_conntrack_ipv4
ioatdma(E) shpchp(E) nf_defrag_ipv4 nf_conntrack drbd(OE) vhost_net vhost
macvtap macvlan kvm_intel kvm l
p parport xfs libcrc32c ses(E) enclosure(E) ixgbe(OE) igb(E) vxlan(OE)
ip6_udp_tunnel i2c_algo_bit(E) udp_tunnel dca(E) hid_generic(E) usbhid(E) ptp
hid aacraid(OE) pps_core
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876376] CPU: 7 PID: 26945 Comm:
qemu-system-x86 Tainted: G B W OEL 3.19.0-26-generic #28~14.04.1
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876377] Hardware name: Supermicro
SYS-F627R2-RTB+-ZD002/X9DRFR, BIOS 3.2 01/16/2015
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876379] task: ffff881802b23110
ti: ffff88179b5c0000 task.ti: ffff88179b5c0000
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876380] RIP:
0010:[<ffffffffc05a2107>] [<ffffffffc05a2107>]
__nf_conntrack_find_get+0x1e7/0x300 [nf_conntrack]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876388] RSP:
0018:ffff88181fce3b88 EFLAGS: 00000297
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876389] RAX: 000060cf8000ad28
RBX: ffff881812973000 RCX: 0000000000060acf
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876390] RDX: ffff88181fce3c20
RSI: 0000000000305678 RDI: ffff8817ec810000
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876391] RBP: ffff88181fce3bb8
R08: 0000000000000000 R09: 00000000af6c28bb
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876393] R10: ffff88181fce3c38
R11: ffffffffc07385b8 R12: ffff88181fce3af8
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876394] R13: ffffffff817b797d
R14: ffff88181fce3bb8 R15: 7fffc4098232c10a
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876395] FS:
00007fc7dd314700(0000) GS:ffff88181fce0000(0000) knlGS:0000000000000000
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876396] CS: 0010 DS: 0000 ES:
0000 CR0: 0000000080050033
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876398] CR2: 000000006ef61524
CR3: 0000002e8df7c000 CR4: 00000000000427e0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876399] Stack:
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876400] ffff88181fce3bb8
ffff8817ec810000 ffffffffc03b42c0 ffff88180e33c200
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876402] 0000000000000002
0000000000000000 ffff88181fce3ca8 ffffffffc05a36df
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876404] ffffffffc03b42c0
ffffffffc05b1580 ffff88180e33c200 ffffffffc159f92b
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876406] Call Trace:
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876407] <IRQ>
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876410] [<ffffffffc05a36df>]
nf_conntrack_in+0x29f/0xbb0 [nf_conntrack]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876421] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876425] [<ffffffffc03b2352>]
ipv4_conntrack_in+0x22/0x30 [nf_conntrack_ipv4]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876428] [<ffffffff816dcb1a>]
nf_iterate+0x9a/0xb0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876430] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876433] [<ffffffff816dcba4>]
nf_hook_slow+0x74/0x130
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876434] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876437] [<ffffffff816e3e1d>]
ip_rcv+0x2fd/0x3f0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876439] [<ffffffffc08500d6>] ?
ingress_enqueue+0x26/0xc0 [sch_ingress]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876442] [<ffffffff816aa1e2>]
__netif_receive_skb_core+0x552/0x790
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876444] [<ffffffff816aa438>]
__netif_receive_skb+0x18/0x60
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876446] [<ffffffff816ab1a6>]
process_backlog+0xa6/0x150
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876448] [<ffffffff816aa8f9>]
net_rx_action+0x159/0x340
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876452] [<ffffffff81078ee4>]
__do_softirq+0xe4/0x270
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876455] [<ffffffff817b863c>]
do_softirq_own_stack+0x1c/0x30
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876456] <EOI>
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876457] [<ffffffff81079105>]
do_softirq+0x55/0x60
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876460] [<ffffffff816a9403>]
netif_rx_ni+0x33/0x70
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876463] [<ffffffff81588e03>]
tun_get_user+0x4a3/0x8f0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876467] [<ffffffff811ebc10>] ?
new_sync_read+0xb0/0xb0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876469] [<ffffffff81589316>]
tun_chr_write_iter+0x56/0x80
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876471] [<ffffffff811ebd25>]
do_iter_readv_writev+0x65/0xa0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876474] [<ffffffff811ed3e9>]
do_readv_writev+0xc9/0x280
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876476] [<ffffffff815892c0>] ?
tun_sendmsg+0x70/0x70
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876479] [<ffffffff810a723d>] ?
set_next_entity+0x9d/0xb0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876482] [<ffffffff811ffbf8>] ?
do_vfs_ioctl+0x2f8/0x510
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876495] [<ffffffffc03f2b04>] ?
kvm_on_user_return+0x74/0x80 [kvm]
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876497] [<ffffffff811ed629>]
vfs_writev+0x39/0x50
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876499] [<ffffffff811ed75a>]
SyS_writev+0x4a/0xd0
Aug 24 03:17:20 llhd1r01n04 kernel: [546200.876504] [<ffffffff817b68cd>]
system_call_fastpath+0x16/0x1b
...
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.923973] RIP:
0010:[<ffffffffc05a1f71>] [<ffffffffc05a1f71>]
__nf_conntrack_find_get+0x51/0x300 [nf_conntrack]
..Aug 24 03:19:12 llhd1r01n04 kernel: [546312.923999] Call Trace:
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924000] <IRQ>
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924003] [<ffffffffc05a36df>]
nf_conntrack_in+0x29f/0xbb0 [nf_conntrack]
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924013] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924017] [<ffffffffc03b2352>]
ipv4_conntrack_in+0x22/0x30 [nf_conntrack_ipv4]
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924021] [<ffffffff816dcb1a>]
nf_iterate+0x9a/0xb0
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924023] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924025] [<ffffffff816dcba4>]
nf_hook_slow+0x74/0x130
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924027] [<ffffffff816e33d0>] ?
inet_del_offload+0x40/0x40
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924029] [<ffffffff816e3e1d>]
ip_rcv+0x2fd/0x3f0
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924032] [<ffffffffc08500d6>] ?
ingress_enqueue+0x26/0xc0 [sch_ingress]
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924035] [<ffffffff816aa1e2>]
__netif_receive_skb_core+0x552/0x790
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924037] [<ffffffff816aa438>]
__netif_receive_skb+0x18/0x60
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924038] [<ffffffff816ab1a6>]
process_backlog+0xa6/0x150
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924040] [<ffffffff816aa8f9>]
net_rx_action+0x159/0x340
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924044] [<ffffffff81078ee4>]
__do_softirq+0xe4/0x270
Aug 24 03:19:12 llhd1r01n04 kernel: [546312.924048] [<ffffffff817b863c>]
do_softirq_own_stack+0x1c/0x30
..
Aug 24 03:20:20 llhd1r01n04 kernel: [546380.952865] RIP:
0010:[<ffffffffc05a20fc>] [<ffffffffc05a20fc>]
__nf_conntrack_find_get+0x1dc/0x300 [nf_conntrack]
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