On May 29, 2016 23:32, "Jon Maloy" <jon.ma...@ericsson.com> wrote:
>
> Hi Guna,
> I am looking at it, but don't have much time to spend at it right now.
> A further study of your dump makes me believe this is a case of race
between tipc_recv_stream(), which in user context  is setting the "owned"
flag but not grabbing slock, and tipc_sk_timeout(), which in interrupt mode
is grabbing slock without checking the "owned" flag.

we shouldn't spin in the timer cb, but
if (sock_owned_by_user(sk))
we can reschedule timer for a retry in a few jiffies

> This creates an obvious risk of a race, but I don't yet understand the
exact implications or solution to it. It may be that it is sufficient to
just replace the grabbing of slock with a call to lock_sock() in the timer
function as I first suggested, but I rather believe we have to  explicitly
grab both slock and the flag and keep them for the duration of the timeout,
before tipc_node_xmit_skb().  This will protect the timeout against
interference from both user context (tipc_recv_stream() and other sw
interrups (tipc_sk_rcv()) and vice versa.  Or maybe not even this is enough?
>
> I will continue my analysis, but input from others would be appreciated.
>
> ///jon
>
>
> > -----Original Message-----
> > From: GUNA [mailto:gbala...@gmail.com]
> > Sent: Saturday, 28 May, 2016 06:00
> > To: Jon Maloy; tipc-discussion@lists.sourceforge.net; Erik Hugne
> > Subject: Re: [tipc-discussion] tipc_sk_rcv: Kernel panic on one of the
card on 4.4.0
> >
> > Any update on the issue? Any other thoughts or possible fix ?
> >
> > The issue was seen on slot12 (1.1.12) node only. The other slots were
up.
> >
> > I got the full logs as listed here:
> >
> >
> > May 19 05:03:01 [SEQ 248049] dcsx5testslot13 /USR/SBIN/CROND[11359]:
> > (root) CMD (/opt/cpu_ss7gw/current/scripts/mgmt_apache_watchdog)
> > May 19 05:03:21 [SEQ 249182] dcsx5testslot12 kernel:  [673637.606852]
> > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [swapper/2:0]
> > May 19 05:03:21 [SEQ 249183] dcsx5testslot12 kernel:  [673637.607791]
> > NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> > May 19 05:03:21 [SEQ 249184] dcsx5testslot12 kernel:  [673637.607817]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:03:21 [SEQ 249185] dcsx5testslot12 kernel:  [673637.607819]
> > CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           O    4.4.0 #17
> > May 19 05:03:21 [SEQ 249186] dcsx5testslot12 kernel:  [673637.607820]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:03:21 [SEQ 249187] dcsx5testslot12 kernel:  [673637.607821]
> > task: ffff880351a88000 ti: ffff880351a84000 task.ti: ffff880351a84000
> > May 19 05:03:21 [SEQ 249188] dcsx5testslot12 kernel:  [673637.607827]
> > RIP: 0010:[<ffffffff81361750>]  [<ffffffff81361750>]
> > rhashtable_jhash2+0x0/0x
> > f0
> > May 19 05:03:21 [SEQ 249189] dcsx5testslot12 kernel:  [673637.607828]
> > RSP: 0018:ffff88035fc63a60  EFLAGS: 00000206
> > May 19 05:03:21 [SEQ 249190] dcsx5testslot12 kernel:  [673637.607829]
> > RAX: ffff880351613a80 RBX: ffff880347948000 RCX: ffff880347949060
> > May 19 05:03:21 [SEQ 249191] dcsx5testslot12 kernel:  [673637.607830]
> > RDX: 0000000003ff6972 RSI: 0000000000000001 RDI: ffff88035fc63a84
> > May 19 05:03:21 [SEQ 249192] dcsx5testslot12 kernel:  [673637.607830]
> > RBP: ffff88035fc63ab8 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:03:21 [SEQ 249193] dcsx5testslot12 kernel:  [673637.607831]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc63bd0
> > May 19 05:03:21 [SEQ 249194] dcsx5testslot12 kernel:  [673637.607832]
> > R13: ffff88009a4dc000 R14: ffff8803502f5640 R15: ffff88035fc63be4
> > May 19 05:03:21 [SEQ 249195] dcsx5testslot12 kernel:  [673637.607833]
> > FS:  0000000000000000(0000) GS:ffff88035fc60000(0000)
> > knlGS:0000000000000000
> > May 19 05:03:21 [SEQ 249196] dcsx5testslot12 kernel:  [673637.607834]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:03:21 [SEQ 249197] dcsx5testslot12 kernel:  [673637.607835]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:03:21 [SEQ 249198] dcsx5testslot12 kernel:  [673637.607835]
Stack:
> > :6600
> > May 19 05:04:45 [SEQ 252476] dcsx5testslot12 kernel:  [673721.608818]
> > NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [swapper/3:0]
> > May 19 05:04:45 [SEQ 252477] dcsx5testslot12 kernel:  [673721.608844]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:04:45 [SEQ 252478] dcsx5testslot12 kernel:  [673721.608847]
> > CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           O L  4.4.0 #17
> > May 19 05:04:45 [SEQ 252479] dcsx5testslot12 kernel:  [673721.608848]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:04:45 [SEQ 252480] dcsx5testslot12 kernel:  [673721.608849]
> > task: ffff880351a88000 ti: ffff880351a84000 task.ti: ffff880351a84000
> > May 19 05:04:45 [SEQ 252481] dcsx5testslot12 kernel:  [673721.608858]
> > RIP: 0010:[<ffffffffa01546a5>]  [<ffffffffa01546a5>]
> > tipc_sk_rcv+0x95/0x490 [
> > tipc]
> > May 19 05:04:45 [SEQ 252482] dcsx5testslot12 kernel:  [673721.608859]
> > RSP: 0018:ffff88035fc63ac8  EFLAGS: 00000296
> > May 19 05:04:45 [SEQ 252483] dcsx5testslot12 kernel:  [673721.608860]
> > RAX: 0000000000000301 RBX: ffff88035fc63b70 RCX: 0000000000000001
> > May 19 05:04:45 [SEQ 252484] dcsx5testslot12 kernel:  [673721.608861]
> > RDX: 00000000b2db9944 RSI: 0000000000000200 RDI: ffffffff81ce6240
> > May 19 05:04:45 [SEQ 252485] dcsx5testslot12 kernel:  [673721.608862]
> > RBP: ffff88035fc63b38 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:04:45 [SEQ 252486] dcsx5testslot12 kernel:  [673721.608862]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc63bd0
> > May 19 05:04:45 [SEQ 252487] dcsx5testslot12 kernel:  [673721.608863]
> > R13: 00000000b2db9944 R14: ffff8803502f5640 R15: ffff88035fc63be4
> > May 19 05:04:45 [SEQ 252488] dcsx5testslot12 kernel:  [673721.608864]
> > FS:  0000000000000000(0000) GS:ffff88035fc60000(0000)
> > knlGS:0000000000000000
> > May 19 05:04:45 [SEQ 252489] dcsx5testslot12 kernel:  [673721.608865]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:04:45 [SEQ 252490] dcsx5testslot12 kernel:  [673721.608866]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:04:45 [SEQ 252491] dcsx5testslot12 kernel:  [673721.608867]
Stack:
> > May 19 05:04:45 [SEQ 252492] dcsx5testslot12 kernel:  [673721.608868]
> > ffff880350b37000 ffffffffa03017eb ffff88035fc63b7c ffffffff81ce6240
> > May 19 05:04:45 [SEQ 252493] dcsx5testslot12 kernel:  [673721.608870]
> > ffff8803502f56c8 000000012821c002 ffff880300000000 02c14a9800000000
> > May 19 05:04:45 [SEQ 252494] dcsx5testslot12 kernel:  [673721.608871]
> > ffff88035fc63b48 ffff88035fc63b70 0000000000000000 000000000100100c
> > May 19 05:04:45 [SEQ 252495] dcsx5testslot12 kernel:  [673721.608871]
> > Call Trace:
> > May 19 05:04:45 [SEQ 252496] dcsx5testslot12 kernel:  [673721.608882]
<IRQ>
> > May 19 05:04:45 [SEQ 252497] dcsx5testslot12 kernel:  [673721.608882]
> > [<ffffffffa03017eb>] ? sctp_addto_chunk+0x8b/0xd0 [sctp]
> > May 19 05:04:45 [SEQ 252498] dcsx5testslot12 kernel:  [673721.608887]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:04:45 [SEQ 252499] dcsx5testslot12 kernel:  [673721.608890]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:04:45 [SEQ 252500] dcsx5testslot12 kernel:  [673721.608894]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:04:45 [SEQ 252501] dcsx5testslot12 kernel:  [673721.608900]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:04:45 [SEQ 252502] dcsx5testslot12 kernel:  [673721.608903]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:04:45 [SEQ 252503] dcsx5testslot12 kernel:  [673721.608907]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:04:45 [SEQ 252504] dcsx5testslot12 kernel:  [673721.608910]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:04:45 [SEQ 252505] dcsx5testslot12 kernel:  [673721.608913]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252506] dcsx5testslot12 kernel:  [673721.608916]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:04:45 [SEQ 252507] dcsx5testslot12 kernel:  [673721.608919]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:04:45 [SEQ 252508] dcsx5testslot12 kernel:  [673721.608923]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252509] dcsx5testslot12 kernel:  [673721.608925]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:04:45 [SEQ 252510] dcsx5testslot12 kernel:  [673721.608926]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:04:45 [SEQ 252511] dcsx5testslot12 kernel:  [673721.608929]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252512] dcsx5testslot12 kernel:  [673721.608930]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:04:45 [SEQ 252513] dcsx5testslot12 kernel:  [673721.608933]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:04:45 [SEQ 252514] dcsx5testslot12 kernel:  [673721.608934]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:04:45 [SEQ 252515] dcsx5testslot12 kernel:  [673721.608937]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > :6800
> > May 19 05:05:13 [SEQ 254646] dcsx5testslot12 kernel:  [673749.609200]
> > RDX: 00000000b2db9944 RSI: 0000000000000200 RDI: ffffffff81ce6240
> > May 19 05:05:13 [SEQ 254647] dcsx5testslot12 kernel:  [673749.609200]
> > RBP: ffff88035fc63b38 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:05:13 [SEQ 254648] dcsx5testslot12 kernel:  [673749.609201]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc63bd0
> > May 19 05:05:13 [SEQ 254649] dcsx5testslot12 kernel:  [673749.609202]
> > R13: 00000000b2db9944 R14: ffff8803502f5640 R15: ffff88035fc63be4
> > May 19 05:05:13 [SEQ 254650] dcsx5testslot12 kernel:  [673749.609203]
> > FS:  0000000000000000(0000) GS:ffff88035fc60000(0000)
> > knlGS:0000000000000000
> > May 19 05:05:13 [SEQ 254651] dcsx5testslot12 kernel:  [673749.609205]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:05:13 [SEQ 254652] dcsx5testslot12 kernel:  [673749.609206]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:05:13 [SEQ 254653] dcsx5testslot12 kernel:  [673749.609207]
Stack:
> > May 19 05:05:13 [SEQ 254654] dcsx5testslot12 kernel:  [673749.609209]
> > ffff880350b37000 ffffffffa03017eb ffff88035fc63b7c ffffffff81ce6240
> > May 19 05:05:13 [SEQ 254655] dcsx5testslot12 kernel:  [673749.609211]
> > ffff8803502f56c8 000000012821c002 ffff880300000000 02c14a9800000000
> > May 19 05:05:13 [SEQ 254656] dcsx5testslot12 kernel:  [673749.609212]
> > ffff88035fc63b48 ffff88035fc63b70 0000000000000000 000000000100100c
> > May 19 05:05:13 [SEQ 254657] dcsx5testslot12 kernel:  [673749.609213]
> > Call Trace:
> > May 19 05:05:13 [SEQ 254658] dcsx5testslot12 kernel:  [673749.609224]
<IRQ>
> > May 19 05:05:13 [SEQ 254659] dcsx5testslot12 kernel:  [673749.609224]
> > [<ffffffffa03017eb>] ? sctp_addto_chunk+0x8b/0xd0 [sctp]
> > May 19 05:05:13 [SEQ 254660] dcsx5testslot12 kernel:  [673749.609228]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:13 [SEQ 254661] dcsx5testslot12 kernel:  [673749.609232]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:05:13 [SEQ 254662] dcsx5testslot12 kernel:  [673749.609235]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:13 [SEQ 254663] dcsx5testslot12 kernel:  [673749.609239]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:05:13 [SEQ 254664] dcsx5testslot12 kernel:  [673749.609242]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:05:13 [SEQ 254665] dcsx5testslot12 kernel:  [673749.609245]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:05:13 [SEQ 254666] dcsx5testslot12 kernel:  [673749.609249]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:13 [SEQ 254667] dcsx5testslot12 kernel:  [673749.609252]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254668] dcsx5testslot12 kernel:  [673749.609255]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:13 [SEQ 254669] dcsx5testslot12 kernel:  [673749.609259]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:05:13 [SEQ 254670] dcsx5testslot12 kernel:  [673749.609262]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254671] dcsx5testslot12 kernel:  [673749.609264]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:05:13 [SEQ 254672] dcsx5testslot12 kernel:  [673749.609265]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:05:13 [SEQ 254673] dcsx5testslot12 kernel:  [673749.609269]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254674] dcsx5testslot12 kernel:  [673749.609270]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:05:13 [SEQ 254675] dcsx5testslot12 kernel:  [673749.609272]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:05:13 [SEQ 254676] dcsx5testslot12 kernel:  [673749.609274]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:05:13 [SEQ 254677] dcsx5testslot12 kernel:  [673749.609277]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:05:13 [SEQ 254678] dcsx5testslot12 kernel:  [673749.609279]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:05:13 [SEQ 254679] dcsx5testslot12 kernel:  [673749.609282]
<EOI>
> > May 19 05:05:13 [SEQ 254680] dcsx5testslot12 kernel:  [673749.609282]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:05:13 [SEQ 254681] dcsx5testslot12 kernel:  [673749.609284]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:05:13 [SEQ 254682] dcsx5testslot12 kernel:  [673749.609285]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:05:13 [SEQ 254683] dcsx5testslot12 kernel:  [673749.609287]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:05:13 [SEQ 254684] dcsx5testslot12 kernel:  [673749.609291]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:05:13 [SEQ 254685] dcsx5testslot12 kernel:  [673749.609292]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:05:13 [SEQ 254686] dcsx5testslot12 kernel:  [673749.609295]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:05:13 [SEQ 254687] dcsx5testslot12 kernel:  [673749.609309]
> > Code: 7d 02 00 00 84 c9 74 14 48 8b 90 d8 00 00 00 48 8b 00 8b 52 14
> > 49 39 c4
> >  0f ca 75 df 41 89 d5 4c 89 ff e8 ff 9a 58 e1 48 8b 7d a8 <44> 89 ee
> > e8 13 ec ff ff 48 85 c0 49 89 c6 0f 84 62 02 00 00 48
> > May 19 05:05:13 [SEQ 254688] dcsx5testslot12 kernel:  [673749.986573]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:05:13 [SEQ 254689] dcsx5testslot12 kernel:  [673750.038404]
> > CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           O L  4.4.0 #17
> > May 19 05:05:13 [SEQ 254690] dcsx5testslot12 kernel:  [673750.045635]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:05:13 [SEQ 254691] dcsx5testslot12 kernel:  [673750.054809]
> > task: ffff880351a751c0 ti: ffff880351a80000 task.ti: ffff880351a80000
> > May 19 05:05:13 [SEQ 254692] dcsx5testslot12 kernel:  [673750.062396]
> > RIP: 0010:[<ffffffff81083fda>]  [<ffffffff81083fda>]
> > __local_bh_enable_ip+0x3
> > a/0x90
> > May 19 05:05:13 [SEQ 254693] dcsx5testslot12 kernel:  [673750.071327]
> > RSP: 0018:ffff88035fc43a98  EFLAGS: 00000203
> > May 19 05:05:13 [SEQ 254694] dcsx5testslot12 kernel:  [673750.076881]
> > RAX: 0000000000000301 RBX: 00000000fffffe01 RCX: 0000000000000001
> > May 19 05:05:13 [SEQ 254695] dcsx5testslot12 kernel:  [673750.084226]
> > RDX: 0000000000000003 RSI: 0000000000000200 RDI: ffffffffa01546cc
> > May 19 05:05:13 [SEQ 254696] dcsx5testslot12 kernel:  [673750.091590]
> > RBP: ffff88035fc43aa8 R08: 00000000000002d4 R09: 0000000000000004
> > May 19 05:05:13 [SEQ 254697] dcsx5testslot12 kernel:  [673750.099014]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc43bd0
> > May 19 05:05:13 [SEQ 254698] dcsx5testslot12 kernel:  [673750.106368]
> > R13: 00000000ab7500c6 R14: ffff880350124ec0 R15: ffff88035fc43be4
> > May 19 05:05:13 [SEQ 254699] dcsx5testslot12 kernel:  [673750.113679]
> > FS:  0000000000000000(0000) GS:ffff88035fc40000(0000)
> > knlGS:0000000000000000
> > May 19 05:05:13 [SEQ 254700] dcsx5testslot12 kernel:  [673750.122083]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:05:13 [SEQ 254701] dcsx5testslot12 kernel:  [673750.127989]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:05:13 [SEQ 254702] dcsx5testslot12 kernel:  [673750.135328]
Stack:
> > May 19 05:05:13 [SEQ 254703] dcsx5testslot12 kernel:  [673750.137503]
> > ffff88035fc43bd0 ffff88035fc43b70 ffff88035fc43ab8 ffffffff816de340
> > May 19 05:05:13 [SEQ 254704] dcsx5testslot12 kernel:  [673750.145228]
> > ffff88035fc43b38 ffffffffa01546cc ffff88034a8fad10 0000000000000020
> > May 19 05:05:13 [SEQ 254705] dcsx5testslot12 kernel:  [673750.152927]
> > ffff88035fc43af8 ffffffff81ce6240 ffff880350124f48 000000012821c002
> > May 19 05:05:13 [SEQ 254706] dcsx5testslot12 kernel:  [673750.160645]
> > Call Trace:
> > May 19 05:05:13 [SEQ 254707] dcsx5testslot12 kernel:  [673750.163228]
<IRQ>
> > May 19 05:05:13 [SEQ 254708] dcsx5testslot12 kernel:  [673750.165257]
> > [<ffffffff816de340>] _raw_spin_trylock_bh+0x40/0x50
> > May 19 05:05:13 [SEQ 254709] dcsx5testslot12 kernel:  [673750.171642]
> > [<ffffffffa01546cc>] tipc_sk_rcv+0xbc/0x490 [tipc]
> > May 19 05:05:13 [SEQ 254710] dcsx5testslot12 kernel:  [673750.177847]
> > [<ffffffff8162ecde>] ? tcp_rcv_established+0x40e/0x760
> > May 19 05:05:13 [SEQ 254711] dcsx5testslot12 kernel:  [673750.184297]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:13 [SEQ 254712] dcsx5testslot12 kernel:  [673750.190730]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:05:13 [SEQ 254713] dcsx5testslot12 kernel:  [673750.197159]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:13 [SEQ 254714] dcsx5testslot12 kernel:  [673750.203846]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:05:13 [SEQ 254715] dcsx5testslot12 kernel:  [673750.210235]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:05:13 [SEQ 254716] dcsx5testslot12 kernel:  [673750.216391]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:05:13 [SEQ 254717] dcsx5testslot12 kernel:  [673750.222523]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:13 [SEQ 254718] dcsx5testslot12 kernel:  [673750.228950]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254719] dcsx5testslot12 kernel:  [673750.235862]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:13 [SEQ 254720] dcsx5testslot12 kernel:  [673750.242516]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:05:13 [SEQ 254721] dcsx5testslot12 kernel:  [673750.249037]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254722] dcsx5testslot12 kernel:  [673750.255863]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:05:13 [SEQ 254723] dcsx5testslot12 kernel:  [673750.261477]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:05:13 [SEQ 254724] dcsx5testslot12 kernel:  [673750.266684]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:13 [SEQ 254725] dcsx5testslot12 kernel:  [673750.273508]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:05:13 [SEQ 254726] dcsx5testslot12 kernel:  [673750.279572]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:05:13 [SEQ 254727] dcsx5testslot12 kernel:  [673750.285152]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:05:13 [SEQ 254728] dcsx5testslot12 kernel:  [673750.290309]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:05:13 [SEQ 254729] dcsx5testslot12 kernel:  [673750.295338]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:05:13 [SEQ 254730] dcsx5testslot12 kernel:  [673750.301132]
<EOI>
> > May 19 05:05:13 [SEQ 254731] dcsx5testslot12 kernel:  [673750.303207]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:05:13 [SEQ 254732] dcsx5testslot12 kernel:  [673750.309734]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:05:13 [SEQ 254733] dcsx5testslot12 kernel:  [673750.316040]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:05:13 [SEQ 254734] dcsx5testslot12 kernel:  [673750.321603]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:05:13 [SEQ 254735] dcsx5testslot12 kernel:  [673750.327128]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:05:13 [SEQ 254736] dcsx5testslot12 kernel:  [673750.332915]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:05:13 [SEQ 254737] dcsx5testslot12 kernel:  [673750.339033]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:05:13 [SEQ 254738] dcsx5testslot12 kernel:  [673750.345007]
> > Code: 08 65 8b 05 21 6e f8 7e a9 00 00 0f 00 74 31 80 3d 49 80 c7 00
> > 01 75 31
> >  83 eb 01 f7 db 65 01 1d 05 6e f8 7e 65 8b 05 fe 6d f8 7e <a9> 00 ff
> > 1f 00 74 31 65 ff 0d f0 6d f8 7e 48 83 c4 08 5b 5d c3
> > May 19 05:05:17 [SEQ 254974] dcsx5testslot2 kernel: [673706.438920]
> > TCP: request_sock_TCP: Possible SYN flooding on port 4322. Sending
> > cookies.  Ch
> > eck SNMP counters.
> > May 19 05:05:26 [SEQ 255213] dcsx5testslot12 /USR/SBIN/CROND[9851]:
> > (root) CMD (/sbin/corecleanup)
> > May 19 05:05:41 [SEQ 255727] dcsx5testslot12 kernel:  [673777.608487]
> > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 23s! [swapper/2:0]
> > May 19 05:05:41 [SEQ 255728] dcsx5testslot12 kernel:  [673777.609460]
> > NMI watchdog: BUG: soft lockup - CPU#3 stuck for 23s! [swapper/3:0]
> > May 19 05:05:41 [SEQ 255729] dcsx5testslot12 kernel:  [673777.609482]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:05:41 [SEQ 255730] dcsx5testslot12 kernel:  [673777.609485]
> > CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           O L  4.4.0 #17
> > May 19 05:05:41 [SEQ 255731] dcsx5testslot12 kernel:  [673777.609485]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:05:41 [SEQ 255732] dcsx5testslot12 kernel:  [673777.609486]
> > task: ffff880351a88000 ti: ffff880351a84000 task.ti: ffff880351a84000
> > May 19 05:05:41 [SEQ 255733] dcsx5testslot12 kernel:  [673777.609492]
> > RIP: 0010:[<ffffffff81352b4d>]  [<ffffffff81352b4d>] memcmp+0x1d/0x50
> > May 19 05:05:41 [SEQ 255734] dcsx5testslot12 kernel:  [673777.609493]
> > RSP: 0018:ffff88035fc63a58  EFLAGS: 00000297
> > May 19 05:05:41 [SEQ 255735] dcsx5testslot12 kernel:  [673777.609494]
> > RAX: 0000000000000000 RBX: ffff880347948000 RCX: 0000000000000002
> > May 19 05:05:41 [SEQ 255736] dcsx5testslot12 kernel:  [673777.609494]
> > RDX: 0000000000000003 RSI: ffff88035fc63a84 RDI: ffff8803502f5914
> > May 19 05:05:41 [SEQ 255737] dcsx5testslot12 kernel:  [673777.609495]
> > RBP: ffff88035fc63a58 R08: 00000000000000db R09: 0000000000000000
> > May 19 05:05:41 [SEQ 255738] dcsx5testslot12 kernel:  [673777.609496]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff8803502f5640
> > May 19 05:05:41 [SEQ 255739] dcsx5testslot12 kernel:  [673777.609496]
> > R13: ffff88009a4dc000 R14: ffff8803502f59b0 R15: fffffffffffffc90
> > May 19 05:05:41 [SEQ 255740] dcsx5testslot12 kernel:  [673777.609498]
> > FS:  0000000000000000(0000) GS:ffff88035fc60000(0000)
> > knlGS:0000000000000000
> > May 19 05:05:41 [SEQ 255741] dcsx5testslot12 kernel:  [673777.609498]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:05:41 [SEQ 255742] dcsx5testslot12 kernel:  [673777.609499]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:05:41 [SEQ 255743] dcsx5testslot12 kernel:  [673777.609500]
Stack:
> > May 19 05:05:41 [SEQ 255744] dcsx5testslot12 kernel:  [673777.609501]
> > ffff88035fc63ab8 ffffffffa0153372 00000000000002d4 0000000000000004
> > May 19 05:05:41 [SEQ 255745] dcsx5testslot12 kernel:  [673777.609503]
> > ffff880347949060 b2db99445fc63a90 0000000000000018 ffff88035fc63b70
> > May 19 05:05:41 [SEQ 255746] dcsx5testslot12 kernel:  [673777.609504]
> > ffff88035fc63bd0 00000000b2db9944 ffff8803502f5640 ffff88035fc63be4
> > May 19 05:05:41 [SEQ 255747] dcsx5testslot12 kernel:  [673777.609504]
> > Call Trace:
> > May 19 05:05:41 [SEQ 255748] dcsx5testslot12 kernel:  [673777.609512]
<IRQ>
> > May 19 05:05:41 [SEQ 255749] dcsx5testslot12 kernel:  [673777.609512]
> > [<ffffffffa0153372>] tipc_sk_lookup+0xb2/0x110 [tipc]
> > May 19 05:05:41 [SEQ 255750] dcsx5testslot12 kernel:  [673777.609520]
> > [<ffffffffa01546ad>] tipc_sk_rcv+0x9d/0x490 [tipc]
> > May 19 05:05:41 [SEQ 255751] dcsx5testslot12 kernel:  [673777.609529]
> > [<ffffffffa03017eb>] ? sctp_addto_chunk+0x8b/0xd0 [sctp]
> > May 19 05:05:41 [SEQ 255752] dcsx5testslot12 kernel:  [673777.609534]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:41 [SEQ 255753] dcsx5testslot12 kernel:  [673777.609537]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:05:41 [SEQ 255754] dcsx5testslot12 kernel:  [673777.609540]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:41 [SEQ 255755] dcsx5testslot12 kernel:  [673777.609544]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:05:41 [SEQ 255756] dcsx5testslot12 kernel:  [673777.609547]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:05:41 [SEQ 255757] dcsx5testslot12 kernel:  [673777.609550]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:05:41 [SEQ 255758] dcsx5testslot12 kernel:  [673777.609554]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:41 [SEQ 255759] dcsx5testslot12 kernel:  [673777.609557]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255760] dcsx5testslot12 kernel:  [673777.609561]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:41 [SEQ 255761] dcsx5testslot12 kernel:  [673777.609564]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:05:41 [SEQ 255762] dcsx5testslot12 kernel:  [673777.609567]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255763] dcsx5testslot12 kernel:  [673777.609570]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:05:41 [SEQ 255764] dcsx5testslot12 kernel:  [673777.609571]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:05:41 [SEQ 255765] dcsx5testslot12 kernel:  [673777.609574]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255766] dcsx5testslot12 kernel:  [673777.609575]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:05:41 [SEQ 255767] dcsx5testslot12 kernel:  [673777.609578]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:05:41 [SEQ 255768] dcsx5testslot12 kernel:  [673777.609582]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:05:41 [SEQ 255769] dcsx5testslot12 kernel:  [673777.609584]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:05:41 [SEQ 255770] dcsx5testslot12 kernel:  [673777.609586]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:05:41 [SEQ 255771] dcsx5testslot12 kernel:  [673777.609589]
<EOI>
> > May 19 05:05:41 [SEQ 255772] dcsx5testslot12 kernel:  [673777.609589]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:05:41 [SEQ 255773] dcsx5testslot12 kernel:  [673777.609591]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:05:41 [SEQ 255774] dcsx5testslot12 kernel:  [673777.609592]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:05:41 [SEQ 255775] dcsx5testslot12 kernel:  [673777.609594]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:05:41 [SEQ 255776] dcsx5testslot12 kernel:  [673777.609595]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:05:41 [SEQ 255777] dcsx5testslot12 kernel:  [673777.609596]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:05:41 [SEQ 255778] dcsx5testslot12 kernel:  [673777.609599]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:05:41 [SEQ 255779] dcsx5testslot12 kernel:  [673777.609613]
> > Code: c0 c6 06 00 5d c3 0f 1f 84 00 00 00 00 00 55 31 c0 48 85 d2 48
> > 89 e5 74
> >  2c 0f b6 07 0f b6 0e 29 c8 75 22 48 83 ea 01 31 c9 eb 15 <44> 0f b6
> > 4c 0f 01 44 0f b6 44 0e 01 48 83 c1 01 45 29 c1 75 07
> > May 19 05:05:41 [SEQ 255780] dcsx5testslot12 kernel:  [673777.998251]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:05:41 [SEQ 255781] dcsx5testslot12 kernel:  [673778.049966]
> > CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           O L  4.4.0 #17
> > May 19 05:05:41 [SEQ 255782] dcsx5testslot12 kernel:  [673778.057328]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:05:41 [SEQ 255783] dcsx5testslot12 kernel:  [673778.066505]
> > task: ffff880351a751c0 ti: ffff880351a80000 task.ti: ffff880351a80000
> > May 19 05:05:41 [SEQ 255784] dcsx5testslot12 kernel:  [673778.074176]
> > RIP: 0010:[<ffffffff81083fc7>]  [<ffffffff81083fc7>]
> > __local_bh_enable_ip+0x2
> > 7/0x90
> > May 19 05:05:41 [SEQ 255785] dcsx5testslot12 kernel:  [673778.083184]
> > RSP: 0018:ffff88035fc43a98  EFLAGS: 00000202
> > May 19 05:05:41 [SEQ 255786] dcsx5testslot12 kernel:  [673778.088616]
> > RAX: 0000000000000246 RBX: 0000000000000200 RCX: 0000000000000001
> > May 19 05:05:41 [SEQ 255787] dcsx5testslot12 kernel:  [673778.095909]
> > RDX: 00000000ab7500c6 RSI: 0000000000000200 RDI: ffffffffa01546a1
> > May 19 05:05:41 [SEQ 255788] dcsx5testslot12 kernel:  [673778.103187]
> > RBP: ffff88035fc43aa8 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:05:41 [SEQ 255789] dcsx5testslot12 kernel:  [673778.110537]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc43bd0
> > May 19 05:05:41 [SEQ 255790] dcsx5testslot12 kernel:  [673778.117816]
> > R13: 00000000ab7500c6 R14: ffff880350124ec0 R15: ffff88035fc43be4
> > May 19 05:05:41 [SEQ 255791] dcsx5testslot12 kernel:  [673778.125094]
> > FS:  0000000000000000(0000) GS:ffff88035fc40000(0000)
> > knlGS:0000000000000000
> > May 19 05:05:41 [SEQ 255792] dcsx5testslot12 kernel:  [673778.133394]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:05:41 [SEQ 255793] dcsx5testslot12 kernel:  [673778.139293]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:05:41 [SEQ 255794] dcsx5testslot12 kernel:  [673778.146549]
Stack:
> > May 19 05:05:41 [SEQ 255795] dcsx5testslot12 kernel:  [673778.148733]
> > ffff88035fc43bd0 ffff88035fc43b70 ffff88035fc43ab8 ffffffff816de1ba
> > May 19 05:05:41 [SEQ 255796] dcsx5testslot12 kernel:  [673778.156407]
> > ffff88035fc43b38 ffffffffa01546a1 ffff88034a8fad10 0000000000000020
> > May 19 05:05:41 [SEQ 255797] dcsx5testslot12 kernel:  [673778.164030]
> > ffff88035fc43af8 ffffffff81ce6240 ffff880350124f48 000000012821c002
> > May 19 05:05:41 [SEQ 255798] dcsx5testslot12 kernel:  [673778.171626]
> > Call Trace:
> > May 19 05:05:41 [SEQ 255799] dcsx5testslot12 kernel:  [673778.174174]
<IRQ>
> > May 19 05:05:41 [SEQ 255800] dcsx5testslot12 kernel:  [673778.176224]
> > [<ffffffff816de1ba>] _raw_spin_unlock_bh+0x1a/0x20
> > May 19 05:05:41 [SEQ 255801] dcsx5testslot12 kernel:  [673778.182545]
> > [<ffffffffa01546a1>] tipc_sk_rcv+0x91/0x490 [tipc]
> > May 19 05:05:41 [SEQ 255802] dcsx5testslot12 kernel:  [673778.188574]
> > [<ffffffff8162ecde>] ? tcp_rcv_established+0x40e/0x760
> > May 19 05:05:41 [SEQ 255803] dcsx5testslot12 kernel:  [673778.195080]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:41 [SEQ 255804] dcsx5testslot12 kernel:  [673778.201586]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:05:41 [SEQ 255805] dcsx5testslot12 kernel:  [673778.207928]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:41 [SEQ 255806] dcsx5testslot12 kernel:  [673778.214549]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:05:41 [SEQ 255807] dcsx5testslot12 kernel:  [673778.220911]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:05:41 [SEQ 255808] dcsx5testslot12 kernel:  [673778.227002]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:05:41 [SEQ 255809] dcsx5testslot12 kernel:  [673778.233133]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:05:41 [SEQ 255810] dcsx5testslot12 kernel:  [673778.239640]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255811] dcsx5testslot12 kernel:  [673778.246432]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:05:41 [SEQ 255812] dcsx5testslot12 kernel:  [673778.252997]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:05:41 [SEQ 255813] dcsx5testslot12 kernel:  [673778.259399]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255814] dcsx5testslot12 kernel:  [673778.266250]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:05:41 [SEQ 255815] dcsx5testslot12 kernel:  [673778.271873]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:05:41 [SEQ 255816] dcsx5testslot12 kernel:  [673778.277046]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:05:41 [SEQ 255817] dcsx5testslot12 kernel:  [673778.283878]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:05:41 [SEQ 255818] dcsx5testslot12 kernel:  [673778.289917]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:05:41 [SEQ 255819] dcsx5testslot12 kernel:  [673778.295485]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:05:41 [SEQ 255820] dcsx5testslot12 kernel:  [673778.300616]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:05:41 [SEQ 255821] dcsx5testslot12 kernel:  [673778.305518]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:05:41 [SEQ 255822] dcsx5testslot12 kernel:  [673778.311278]
<EOI>
> > May 19 05:05:41 [SEQ 255823] dcsx5testslot12 kernel:  [673778.313319]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:05:41 [SEQ 255824] dcsx5testslot12 kernel:  [673778.319908]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:05:41 [SEQ 255825] dcsx5testslot12 kernel:  [673778.326317]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:05:41 [SEQ 255826] dcsx5testslot12 kernel:  [673778.332001]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:05:41 [SEQ 255827] dcsx5testslot12 kernel:  [673778.337473]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:05:41 [SEQ 255828] dcsx5testslot12 kernel:  [673778.343278]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:05:41 [SEQ 255829] dcsx5testslot12 kernel:  [673778.349396]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:05:41 [SEQ 255830] dcsx5testslot12 kernel:  [673778.355259]
> > Code: 1f 44 00 00 66 66 66 66 90 55 48 89 e5 53 89 f3 48 83 ec 08 65
> > 8b 05 21
> >  6e f8 7e a9 00 00 0f 00 74 31 80 3d 49 80 c7 00 01 75 31 <83> eb 01
> > f7 db 65 01 1d 05 6e f8 7e 65 8b 05 fe 6d f8 7e a9 00
> > May 19 05:06:01 [SEQ 256552] dcsx5testslot13 /USR/SBIN/CROND[30520]:
> > (root) CMD (/opt/cpu_ss7gw/current/scripts/mgmt_apache_watchdog)
> > May 19 05:06:01 [SEQ 256570] dcsx5testslot2 /USR/SBIN/CROND[17386]:
> > (root) CMD (/opt/cpu_ss7gw/current/scripts/mgmt_apache_watchdog)
> > May 19 05:06:09 [SEQ 256861] dcsx5testslot12 kernel:  [673805.608813]
> > NMI watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [swapper/2:0]
> > May 19 05:06:09 [SEQ 256862] dcsx5testslot12 kernel:  [673805.609784]
> > NMI watchdog: BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> > May 19 05:06:09 [SEQ 256863] dcsx5testslot12 kernel:  [673805.609807]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:06:09 [SEQ 256864] dcsx5testslot12 kernel:  [673805.609809]
> > CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           O L  4.4.0 #17
> > May 19 05:06:09 [SEQ 256865] dcsx5testslot12 kernel:  [673805.609810]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:06:09 [SEQ 256866] dcsx5testslot12 kernel:  [673805.609811]
> > task: ffff880351a88000 ti: ffff880351a84000 task.ti: ffff880351a84000
> > May 19 05:06:09 [SEQ 256867] dcsx5testslot12 kernel:  [673805.609817]
> > RIP: 0010:[<ffffffff81083ff0>]  [<ffffffff81083ff0>]
> > __local_bh_enable_ip+0x5
> > 0/0x90
> > May 19 05:06:09 [SEQ 256868] dcsx5testslot12 kernel:  [673805.609818]
> > RSP: 0018:ffff88035fc63a90  EFLAGS: 00000246
> > May 19 05:06:09 [SEQ 256869] dcsx5testslot12 kernel:  [673805.609819]
> > RAX: 0000000000000500 RBX: 0000000000000200 RCX: 0000000000000001
> > May 19 05:06:09 [SEQ 256870] dcsx5testslot12 kernel:  [673805.609819]
> > RDX: 00000000b2db9944 RSI: 0000000000000200 RDI: ffffffffa01546a1
> > May 19 05:06:09 [SEQ 256871] dcsx5testslot12 kernel:  [673805.609820]
> > RBP: ffff88035fc63aa8 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:06:09 [SEQ 256872] dcsx5testslot12 kernel:  [673805.609821]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc63bd0
> > May 19 05:06:09 [SEQ 256873] dcsx5testslot12 kernel:  [673805.609821]
> > R13: 00000000b2db9944 R14: ffff8803502f5640 R15: ffff88035fc63be4
> > May 19 05:06:09 [SEQ 256874] dcsx5testslot12 kernel:  [673805.609823]
> > FS:  0000000000000000(0000) GS:ffff88035fc60000(0000)
> > knlGS:0000000000000000
> > May 19 05:06:09 [SEQ 256875] dcsx5testslot12 kernel:  [673805.609823]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:06:09 [SEQ 256876] dcsx5testslot12 kernel:  [673805.609824]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:06:09 [SEQ 256877] dcsx5testslot12 kernel:  [673805.609825]
Stack:
> > May 19 05:06:09 [SEQ 256878] dcsx5testslot12 kernel:  [673805.609826]
> > 0000000000000246 ffff88035fc63bd0 ffff88035fc63b70 ffff88035fc63ab8
> > May 19 05:06:09 [SEQ 256879] dcsx5testslot12 kernel:  [673805.609828]
> > ffffffff816de1ba ffff88035fc63b38 ffffffffa01546a1 ffff880350b37000
> > May 19 05:06:09 [SEQ 256880] dcsx5testslot12 kernel:  [673805.609829]
> > ffffffffa03017eb ffff88035fc63b7c ffffffff81ce6240 ffff8803502f56c8
> > May 19 05:06:09 [SEQ 256881] dcsx5testslot12 kernel:  [673805.609829]
> > Call Trace:
> > May 19 05:06:09 [SEQ 256882] dcsx5testslot12 kernel:  [673805.609839]
<IRQ>
> > May 19 05:06:09 [SEQ 256883] dcsx5testslot12 kernel:  [673805.609839]
> > [<ffffffff816de1ba>] _raw_spin_unlock_bh+0x1a/0x20
> > May 19 05:06:09 [SEQ 256884] dcsx5testslot12 kernel:  [673805.609846]
> > [<ffffffffa01546a1>] tipc_sk_rcv+0x91/0x490 [tipc]
> > May 19 05:06:09 [SEQ 256885] dcsx5testslot12 kernel:  [673805.609855]
> > [<ffffffffa03017eb>] ? sctp_addto_chunk+0x8b/0xd0 [sctp]
> > May 19 05:06:09 [SEQ 256886] dcsx5testslot12 kernel:  [673805.609861]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:06:09 [SEQ 256887] dcsx5testslot12 kernel:  [673805.609864]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:06:09 [SEQ 256888] dcsx5testslot12 kernel:  [673805.609867]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:06:09 [SEQ 256889] dcsx5testslot12 kernel:  [673805.609871]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:06:09 [SEQ 256890] dcsx5testslot12 kernel:  [673805.609874]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:06:09 [SEQ 256891] dcsx5testslot12 kernel:  [673805.609877]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:06:09 [SEQ 256892] dcsx5testslot12 kernel:  [673805.609881]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:06:09 [SEQ 256893] dcsx5testslot12 kernel:  [673805.609884]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:06:09 [SEQ 256894] dcsx5testslot12 kernel:  [673805.609887]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:06:09 [SEQ 256895] dcsx5testslot12 kernel:  [673805.609891]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:06:09 [SEQ 256896] dcsx5testslot12 kernel:  [673805.609894]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:06:09 [SEQ 256897] dcsx5testslot12 kernel:  [673805.609896]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:06:09 [SEQ 256898] dcsx5testslot12 kernel:  [673805.609897]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:06:09 [SEQ 256899] dcsx5testslot12 kernel:  [673805.609901]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:06:09 [SEQ 256900] dcsx5testslot12 kernel:  [673805.609902]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:06:09 [SEQ 256901] dcsx5testslot12 kernel:  [673805.609904]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:06:09 [SEQ 256902] dcsx5testslot12 kernel:  [673805.609905]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:06:09 [SEQ 256903] dcsx5testslot12 kernel:  [673805.609908]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:06:09 [SEQ 256904] dcsx5testslot12 kernel:  [673805.609909]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:06:09 [SEQ 256905] dcsx5testslot12 kernel:  [673805.609912]
<EOI>
> > May 19 05:06:09 [SEQ 256906] dcsx5testslot12 kernel:  [673805.609912]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:06:09 [SEQ 256907] dcsx5testslot12 kernel:  [673805.609914]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:06:09 [SEQ 256908] dcsx5testslot12 kernel:  [673805.609915]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:06:09 [SEQ 256909] dcsx5testslot12 kernel:  [673805.609917]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:06:09 [SEQ 256910] dcsx5testslot12 kernel:  [673805.609918]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:06:09 [SEQ 256911] dcsx5testslot12 kernel:  [673805.609919]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:06:09 [SEQ 256912] dcsx5testslot12 kernel:  [673805.609922]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:06:09 [SEQ 256913] dcsx5testslot12 kernel:  [673805.609937]
> > Code: 75 31 83 eb 01 f7 db 65 01 1d 05 6e f8 7e 65 8b 05 fe 6d f8 7e
> > a9 00 ff
> >  1f 00 74 31 65 ff 0d f0 6d f8 7e 48 83 c4 08 5b 5d c3 9c <58> f6 c4
> > 02 75 d1 eb c6 be 96 00 00 00 48 c7 c7 82 27 a3 81 e8
> > May 19 05:06:09 [SEQ 256914] dcsx5testslot12 kernel:  [673806.000394]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:06:09 [SEQ 256915] dcsx5testslot12 kernel:  [673806.052443]
> > CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           O L  4.4.0 #17
> > May 19 05:06:09 [SEQ 256916] dcsx5testslot12 kernel:  [673806.059943]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:06:09 [SEQ 256917] dcsx5testslot12 kernel:  [673806.069246]
> > task: ffff880351a751c0 ti: ffff880351a80000 task.ti: ffff880351a80000
> > May 19 05:06:09 [SEQ 256918] dcsx5testslot12 kernel:  [673806.076929]
> > RIP: 0010:[<ffffffffa01546a5>]  [<ffffffffa01546a5>]
> > tipc_sk_rcv+0x95/0x490 [
> > tipc]
> > May 19 05:06:09 [SEQ 256919] dcsx5testslot12 kernel:  [673806.085716]
> > RSP: 0018:ffff88035fc43ac8  EFLAGS: 00000296
> > May 19 05:06:09 [SEQ 256920] dcsx5testslot12 kernel:  [673806.091252]
> > RAX: 0000000000000301 RBX: ffff88035fc43b70 RCX: 0000000000000001
> > May 19 05:06:09 [SEQ 256921] dcsx5testslot12 kernel:  [673806.098623]
> > RDX: 00000000ab7500c6 RSI: 0000000000000200 RDI: ffffffff81ce6240
> > May 19 05:06:09 [SEQ 256922] dcsx5testslot12 kernel:  [673806.106021]
> > RBP: ffff88035fc43b38 R08: 0000000000000001 R09: 0000000000000004
> > May 19 05:06:09 [SEQ 256923] dcsx5testslot12 kernel:  [673806.113331]
> > R10: 0000000000000000 R11: 0000000000000000 R12: ffff88035fc43bd0
> > May 19 05:06:09 [SEQ 256924] dcsx5testslot12 kernel:  [673806.120634]
> > R13: 00000000ab7500c6 R14: ffff880350124ec0 R15: ffff88035fc43be4
> > May 19 05:06:09 [SEQ 256925] dcsx5testslot12 kernel:  [673806.127940]
> > FS:  0000000000000000(0000) GS:ffff88035fc40000(0000)
> > knlGS:0000000000000000
> > May 19 05:06:09 [SEQ 256926] dcsx5testslot12 kernel:  [673806.136201]
> > CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > May 19 05:06:09 [SEQ 256927] dcsx5testslot12 kernel:  [673806.142110]
> > CR2: 00007f6e9c244000 CR3: 0000000001c0a000 CR4: 00000000000006e0
> > May 19 05:06:09 [SEQ 256928] dcsx5testslot12 kernel:  [673806.149540]
Stack:
> > May 19 05:06:09 [SEQ 256929] dcsx5testslot12 kernel:  [673806.151715]
> > ffff88034a8fad10 0000000000000020 ffff88035fc43af8 ffffffff81ce6240
> > May 19 05:06:09 [SEQ 256930] dcsx5testslot12 kernel:  [673806.159346]
> > ffff880350124f48 000000012821c002 ffff88035fc43b58 ffffffff8162ecde
> > May 19 05:06:09 [SEQ 256931] dcsx5testslot12 kernel:  [673806.167047]
> > ffff88035fc43b48 ffff88035fc43b70 0000000000000000 000000000100100c
> > May 19 05:06:09 [SEQ 256932] dcsx5testslot12 kernel:  [673806.174661]
> > Call Trace:
> > May 19 05:06:09 [SEQ 256933] dcsx5testslot12 kernel:  [673806.177199]
<IRQ>
> > May 19 05:06:09 [SEQ 256934] dcsx5testslot12 kernel:  [673806.179238]
> > [<ffffffff8162ecde>] ? tcp_rcv_established+0x40e/0x760
> > May 19 05:06:09 [SEQ 256935] dcsx5testslot12 kernel:  [673806.185854]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:06:09 [SEQ 256936] dcsx5testslot12 kernel:  [673806.192362]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > :6400
> > May 19 05:03:49 [SEQ 250358] dcsx5testslot12 kernel:  [673665.608194]
> > [<ffffffff816de332>] ? _raw_spin_trylock_bh+0x32/0x50
> > May 19 05:03:49 [SEQ 250359] dcsx5testslot12 kernel:  [673665.608198]
> > [<ffffffffa01546ad>] tipc_sk_rcv+0x9d/0x490 [tipc]
> > May 19 05:03:49 [SEQ 250360] dcsx5testslot12 kernel:  [673665.608206]
> > [<ffffffffa03017eb>] ? sctp_addto_chunk+0x8b/0xd0 [sctp]
> > May 19 05:03:49 [SEQ 250361] dcsx5testslot12 kernel:  [673665.608210]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:03:49 [SEQ 250362] dcsx5testslot12 kernel:  [673665.608213]
> > [<ffffffff810b5353>] ? find_busiest_group+0x153/0x980
> > May 19 05:03:49 [SEQ 250363] dcsx5testslot12 kernel:  [673665.608217]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:03:49 [SEQ 250364] dcsx5testslot12 kernel:  [673665.608220]
> > [<ffffffffa0151cb9>] tipc_sk_respond+0x99/0xc0 [tipc]
> > May 19 05:03:49 [SEQ 250365] dcsx5testslot12 kernel:  [673665.608223]
> > [<ffffffffa0152e6d>] filter_rcv+0x4cd/0x550 [tipc]
> > May 19 05:03:49 [SEQ 250366] dcsx5testslot12 kernel:  [673665.608226]
> > [<ffffffffa01548ed>] tipc_sk_rcv+0x2dd/0x490 [tipc]
> > May 19 05:03:49 [SEQ 250367] dcsx5testslot12 kernel:  [673665.608233]
> > [<ffffffffa014f58f>] tipc_node_xmit+0x11f/0x150 [tipc]
> > May 19 05:03:49 [SEQ 250368] dcsx5testslot12 kernel:  [673665.608236]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:03:49 [SEQ 250369] dcsx5testslot12 kernel:  [673665.608239]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:03:49 [SEQ 250370] dcsx5testslot12 kernel:  [673665.608243]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:03:49 [SEQ 250371] dcsx5testslot12 kernel:  [673665.608246]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:03:49 [SEQ 250372] dcsx5testslot12 kernel:  [673665.608249]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:03:49 [SEQ 250373] dcsx5testslot12 kernel:  [673665.608251]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:03:49 [SEQ 250374] dcsx5testslot12 kernel:  [673665.608254]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:03:49 [SEQ 250375] dcsx5testslot12 kernel:  [673665.608256]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:03:49 [SEQ 250376] dcsx5testslot12 kernel:  [673665.608259]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:03:49 [SEQ 250377] dcsx5testslot12 kernel:  [673665.608260]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:03:49 [SEQ 250378] dcsx5testslot12 kernel:  [673665.608263]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:03:49 [SEQ 250379] dcsx5testslot12 kernel:  [673665.608265]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:03:49 [SEQ 250380] dcsx5testslot12 kernel:  [673665.608268]
<EOI>
> > May 19 05:03:49 [SEQ 250381] dcsx5testslot12 kernel:  [673665.608268]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:03:49 [SEQ 250382] dcsx5testslot12 kernel:  [673665.608269]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:03:49 [SEQ 250383] dcsx5testslot12 kernel:  [673665.608270]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:03:49 [SEQ 250384] dcsx5testslot12 kernel:  [673665.608273]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:03:49 [SEQ 250385] dcsx5testslot12 kernel:  [673665.608274]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:03:49 [SEQ 250386] dcsx5testslot12 kernel:  [673665.608275]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:03:49 [SEQ 250387] dcsx5testslot12 kernel:  [673665.608278]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:03:49 [SEQ 250388] dcsx5testslot12 kernel:  [673665.608292]
> > Code: 41 31 c8 c1 c2 0e 41 29 d0 44 89 c2 44 31 c0 c1 c2 0b 29 d0 89
> > c2 31 c1
> >  c1 c2 19 29 d1 89 ca 41 31 c8 c1 c2 10 41 29 d0 44 89 c2 <44> 31 c0
> > c1 c2 04 29 d0 31 c1 c1 c0 0e 29 c1 41 31 c8 c1 c1 18
> > May 19 05:03:49 [SEQ 250389] dcsx5testslot12 kernel:  [673666.007702]
> > Modules linked in: nf_log_ipv4 nf_log_common xt_LOG sctp libcrc32c
> > e1000e tip
> > c udp_tunnel ip6_udp_tunnel 8021q garp iTCO_wdt xt_physdev
> > br_netfilter bridge stp llc nf_conntrack_ipv4 ipmiq_drv(O) sio_mmc(O)
> > nf_defrag_ipv4 ip6
> > t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 xt_state
> > nf_conntrack event_drv(O) ip6table_filter ip6_tables ddi(O) lockd
> > pt_timer_info(O
> > ) grace ixgbe usb_storage igb pcspkr iTCO_vendor_support i2c_algo_bit
> > i2c_i801 ptp i2c_core ioatdma lpc_ich mfd_core tpm_tis dca pps_core
> > intel_ips
> >  tpm mdio sunrpc [last unloaded: iTCO_wdt]
> > May 19 05:03:49 [SEQ 250390] dcsx5testslot12 kernel:  [673666.060133]
> > CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           O L  4.4.0 #17
> > May 19 05:03:49 [SEQ 250391] dcsx5testslot12 kernel:  [673666.067566]
> > Hardware name: PT AMC124/Base Board Product Name, BIOS
> > LGNAJFIP.PTI.0012.P15
> > 01/15/2014
> > May 19 05:03:49 [SEQ 250392] dcsx5testslot12 kernel:  [673666.076908]
> > task: ffff880351a751c0 ti: ffff880351a80000 task.ti: ffff880351a80000
> > May 19 05:03:49 [SEQ 250393] dcsx5testslot12 kernel:  [673666.084770]
> > RIP: 0010:[<ffffffff816de29f>]  [<ffffffff816de29f>]
> > _raw_spin_lock_bh+0x1f/0
> > x40
> > May 19 05:03:49 [SEQ 250394] dcsx5testslot12 kernel:  [673666.093585]
> > RSP: 0018:ffff88035fc43ab8  EFLAGS: 00000246
> > May 19 05:03:49 [SEQ 250395] dcsx5testslot12 kernel:  [673666.099084]
> > RAX: 0000000000000000 RBX: ffff88035fc43b70 RCX: 0000000000000001
> > May 19 05:03:49 [SEQ 250396] dcsx5testslot12 kernel:  [673666.106567]
> > RDX: 0000000000000001 RSI: 0000000000000200 RDI: ffff88035fc43be4
> > /1.1.12
> > May 19 05:04:45 [SEQ 252557] dcsx5testslot12 kernel:  [673722.241945]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252558] dcsx5testslot12 kernel:  [673722.248734]
> > [<ffffffffa014f5f7>] tipc_node_xmit_skb+0x37/0x60 [tipc]
> > May 19 05:04:45 [SEQ 252559] dcsx5testslot12 kernel:  [673722.255656]
> > [<ffffffffa0152770>] tipc_sk_timeout+0xe0/0x180 [tipc]
> > May 19 05:04:45 [SEQ 252560] dcsx5testslot12 kernel:  [673722.262126]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252561] dcsx5testslot12 kernel:  [673722.269038]
> > [<ffffffff810e1644>] call_timer_fn+0x44/0x110
> > May 19 05:04:45 [SEQ 252562] dcsx5testslot12 kernel:  [673722.274789]
> > [<ffffffff810e0e6a>] ? cascade+0x4a/0x80
> > May 19 05:04:45 [SEQ 252563] dcsx5testslot12 kernel:  [673722.280087]
> > [<ffffffffa0152690>] ? tipc_recv_stream+0x370/0x370 [tipc]
> > May 19 05:04:45 [SEQ 252564] dcsx5testslot12 kernel:  [673722.286846]
> > [<ffffffff810e2c4c>] run_timer_softirq+0x22c/0x280
> > May 19 05:04:45 [SEQ 252565] dcsx5testslot12 kernel:  [673722.292978]
> > [<ffffffff81083d88>] __do_softirq+0xc8/0x260
> > May 19 05:04:45 [SEQ 252566] dcsx5testslot12 kernel:  [673722.298687]
> > [<ffffffff81084123>] irq_exit+0x83/0xb0
> > May 19 05:04:45 [SEQ 252567] dcsx5testslot12 kernel:  [673722.303788]
> > [<ffffffff816e0ca5>] do_IRQ+0x65/0xf0
> > May 19 05:04:45 [SEQ 252568] dcsx5testslot12 kernel:  [673722.308718]
> > [<ffffffff816df17f>] common_interrupt+0x7f/0x7f
> > May 19 05:04:45 [SEQ 252569] dcsx5testslot12 kernel:  [673722.314666]
<EOI>
> > May 19 05:04:45 [SEQ 252570] dcsx5testslot12 kernel:  [673722.316729]
> > [<ffffffff81591c0d>] ? cpuidle_enter_state+0xad/0x200
> > May 19 05:04:45 [SEQ 252571] dcsx5testslot12 kernel:  [673722.323330]
> > [<ffffffff81591bf1>] ? cpuidle_enter_state+0x91/0x200
> > May 19 05:04:45 [SEQ 252572] dcsx5testslot12 kernel:  [673722.329738]
> > [<ffffffff81591d97>] cpuidle_enter+0x17/0x20
> > May 19 05:04:45 [SEQ 252573] dcsx5testslot12 kernel:  [673722.335346]
> > [<ffffffff810bcdc7>] call_cpuidle+0x37/0x60
> > May 19 05:04:45 [SEQ 252574] dcsx5testslot12 kernel:  [673722.340955]
> > [<ffffffff81591d73>] ? cpuidle_select+0x13/0x20
> > May 19 05:04:45 [SEQ 252575] dcsx5testslot12 kernel:  [673722.346777]
> > [<ffffffff810bd001>] cpu_startup_entry+0x211/0x2d0
> > May 19 05:04:45 [SEQ 252576] dcsx5testslot12 kernel:  [673722.352887]
> > [<ffffffff8103b213>] start_secondary+0x103/0x130
> > May 19 05:04:45 [SEQ 252577] dcsx5testslot12 kernel:  [673722.358765]
> > Code: 44 89 c0 5d c3 44 03 47 08 03 4f 04 89 ca 03 07 41 31 c8 c1 c2
> > 0e 41 29
> >  d0 44 89 c2 44 31 c0 c1 c2 0b 29 d0 89 c2 31 c1 c1 c2 19 <29> d1 89
> > ca 41 31 c8 c1 c2 10 41 29 d0 44 89 c2 44 31 c0 c1 c2
> > May 19 05:04:57 [SEQ 253019] slot6_0 kernel:  TIPC: Resetting link
> > <1.1.6:eth1-1.1.12:p19p2>, changeover initiated by peer
> > May 19 05:04:57 [SEQ 253020] slot7_0 kernel:  TIPC: Resetting link
> > <1.1.7:eth1-1.1.12:p19p2>, changeover initiated by peer
> > May 19 05:04:57 [SEQ 253021] slot8_0 kernel:  TIPC: Resetting link
> > <1.1.8:eth1-1.1.12:p19p2>, changeover initiated by peer
> > May 19 05:04:57 [SEQ 253022] slot9_0 kernel:  TIPC: Resetting link
> > <1.1.9:eth1-1.1.12:p19p2>, changeover initiated by peer
> > May 19 05:04:57 [SEQ 253023] slot6_0 kernel:  TIPC: Lost link
> > <1.1.6:eth1-1.1.12:p19p2> on network plane B
> > May 19 05:04:57 [SEQ 253024] slot7_0 kernel:  TIPC: Lost link
> > <1.1.7:eth1-1.1.12:p19p2> on network plane B
> > May 19 05:04:57 [SEQ 253025] slot8_0 kernel:  TIPC: Lost link
> > <1.1.8:eth1-1.1.12:p19p2> on network plane B
> > May 19 05:04:57 [SEQ 253026] slot9_0 kernel:  TIPC: Lost link
> > <1.1.9:eth1-1.1.12:p19p2> on network plane B
> > May 19 05:05:01 [SEQ 253150] dcsx5testslot11 /USR/SBIN/CROND[4582]:
> > (root) CMD (/sbin/corecleanup)
> > May 19 05:05:01 [SEQ 253151] slot9_0 /USR/SBIN/CROND[23109]:  (root)
> > CMD (/sbin/corecleanup)
> > May 19 05:05:01 [SEQ 253179] dcsx5testslot4 /USR/SBIN/CROND[10667]:
> > (root) CMD (/sbin/corecleanup)
> > May 19 05:05:01 [SEQ 253193] dcsx5testslot3 /USR/SBIN/CROND[10640]:
> > (root) CMD (/sbin/corecleanup)
> > May 19 05:05:01 [SEQ 253194] slot8_0 /USR/SBIN/CROND[19631]:  (root)
> > CMD (/sbin/corecleanup)
> >
> >
> >
> > On Tue, May 24, 2016 at 7:29 PM, Jon Maloy <ma...@donjonn.com> wrote:
> > >
> > >
> > > On 05/24/2016 12:16 PM, GUNA wrote:
> > >>
> > >> I suspect there could be glitch on switch may cause lost the probe or
> > >> abort message.  However, even if the messages are lost for what ever
> > >> reason, is not TIPC stack should handle the graceful shutdown of the
> > >> TIPC connection by releasing all the resources instead of panic or
> > >> dead itself ?
> > >
> > > I don't think this is about lost packets or shutdown at all, as far
as I can
> > > see form the dump.This is a node local socket-to-socket call that
bypasses
> > > any interfaces and switches.
> > >>
> > >>
> > >> Does lock_sock/release_sock use in tipc_sk_timeout() fix the issue ?
> > >
> > >
> > > No, it won't. At first I thought this obvious, as can be deferred
from my
> > > first comment:
> > > tipc_sk_timeout() grabs sk.slock, sends a message to the receiver
socket,
> > > which for some reason chooses to return it to sender. In tipc_sk_rcv
we try
> > > to grab sk.slock again, and hence we end up in a deadlock.
> > >
> > > Unfortunately this theory is not correct.
> > > tipc_sk_timeout() actually releases sk.slock before it sends out the
buffer,
> > > so there is no way a deadlock can happen this way.  Besides, given
that we
> > > don't actually spin on  a spin_trylock_bh() call, I believe we are on
the
> > > wrong track when suspecting a slock deadlock.
> > >
> > > A message produced by tipc_sk_timeout can only be a
> > CONN_MANAGER/CONN_PROBE
> > > message, but I don't see filter_rcv() calling tipc_sk_proto_rcv()
anywhere.
> > > The explanation seems to be that tipc_sk_proto_rcv() is inlined. So,
we can
> > > probably assume that the message causing the deadlock is a regular
> > > CONN_MANAGER/CONN_PROBE_REPLY.
> > >
> > > So, my theory right now is that the reply message for some reason
causes
> > > tipc_sk_rv() to enter a loop where 'inputq' never is emptied.
> > >
> > > This is as far as I get in my analysis right now. Does anybody else
have any
> > > good ideas?
> > >
> > > ///jon
> > >
> > >
> > >
> > >>
> > >> Thanks,
> > >> Guna
> > >>
> > >>
> > >>
------------------------------------------------------------------------------
> > >> Mobile security can be enabling, not merely restricting. Employees
who
> > >> bring their own devices (BYOD) to work are irked by the imposition
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> > >> restrictions. Mobile Device Manager Plus allows you to control only
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> > >> apps on BYO-devices by containerizing them, leaving personal data
> > >> untouched!
> > >> https://ad.doubleclick.net/ddm/clk/304595813;131938128;j
> > >> _______________________________________________
> > >> tipc-discussion mailing list
> > >> tipc-discussion@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/tipc-discussion
> > >
> > >
> >
> >
------------------------------------------------------------------------------
> > What NetFlow Analyzer can do for you? Monitors network bandwidth and
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> > patterns at an interface-level. Reveals which users, apps, and
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> > consuming the most bandwidth. Provides multi-vendor support for NetFlow,
> > J-Flow, sFlow and other flows. Make informed decisions using capacity
> > planning reports.
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> > tipc-discussion@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/tipc-discussion
------------------------------------------------------------------------------
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patterns at an interface-level. Reveals which users, apps, and protocols are 
consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity 
planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e
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