Hi,
I will take a look into this during the next days. Are you ok with installing 
your own patches?

///jon


> -----Original Message-----
> From: XIANG Haiming [mailto:haiming.xi...@alcatel-sbell.com.cn]
> Sent: Sunday, 20 November, 2016 21:35
> To: tipc-discussion@lists.sourceforge.net
> Subject: [tipc-discussion] soft lockup for TIPC
> 
> Hi all,
> 
> The version for TIPC which we use is TIPC version 2.0.0.
> The OS info is as follow:
> 
> Red Hat Enterprise Linux Server 7.2 (Maipo)
> Kernel 3.10.0-327.18.2.el7.x86_64 on an x86_64
> 
> We meet two soft lockup issue about TIPC, please help us to solve this issue.
> Thank you
> 
> One issue is as follow:
> 
> 
> [85502.601198] BUG: soft lockup - CPU#0 stuck for 22s! [scm:2649]
> [85502.603585] Modules linked in: iptable_filter ip6table_mangle xt_limit
> iptable_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp 
> stp
> mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [85502.618210] CPU: 0 PID: 2649 Comm: scm Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [85502.620482] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [85502.622361] task: ffff880405da5080 ti: ffff8800db68c000 task.ti:
> ffff8800db68c000
> [85502.624400] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [85502.626558] RSP: 0018:ffff8800db68fa68  EFLAGS: 00000202
> [85502.628412] RAX: 00000000000056f6 RBX: ffff880406600800 RCX:
> 000000000000712a
> [85502.630419] RDX: 000000000000712c RSI: 000000000000712c RDI:
> ffffffffa03f8548
> [85502.632423] RBP: ffff8800db68fa70 R08: 00000000000002c0 R09:
> 0000000000000500
> [85502.634421] R10: ffff88040f001500 R11: ffff8800db68fc58 R12: 
> ffffffff81519be1
> [85502.636413] R13: ffff8800db68fa08 R14: 00000000ffffffff R15:
> 0000000000000240
> [85502.638415] FS:  0000000000000000(0000) GS:ffff88041fc00000(0063)
> knlGS:00000000d1495b40
> [85502.640514] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
> [85502.642399] CR2: 00000000d37c8208 CR3: 00000003cfff7000 CR4:
> 00000000000406f0
> [85502.644420] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [85502.646416] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [85502.648393] Stack:
> [85502.649916]  ffffffffa03f8548 ffff8800db68fa90 ffffffffa03e2afb
> ffff880036242c00
> [85502.652019]  ffff880406600800 ffff8800db68fac0 ffffffffa03e5c1b
> ffff880036242c00
> [85502.654108]  ffff880036b5a484 ffff88003698e800 ffff8800db68fb30
> ffff8800db68fba8
> [85502.656179] Call Trace:
> [85502.657742]  [<ffffffffa03e2afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [85502.659678]  [<ffffffffa03e5c1b>] link_send_buf_fast+0x5b/0xb0 [tipc]
> [85502.661592]  [<ffffffffa03e6026>] tipc_link_send_sections_fast+0xe6/0x630
> [tipc]
> [85502.663594]  [<ffffffff8163d216>] ? _raw_read_unlock_bh+0x16/0x20
> [85502.665473]  [<ffffffffa03eb9b0>] ? tipc_nametbl_translate+0xc0/0x1f0 
> [tipc]
> [85502.667441]  [<ffffffffa03ef5d5>] tipc_send2name+0x155/0x1d0 [tipc]
> [85502.669351]  [<ffffffffa03f08cb>] send_msg+0x1eb/0x530 [tipc]
> [85502.671205]  [<ffffffff815111d0>] sock_sendmsg+0xb0/0xf0
> [85502.673028]  [<ffffffff810e31f3>] ? futex_wait+0x193/0x280
> [85502.674859]  [<ffffffff81511741>] SYSC_sendto+0x121/0x1c0
> [85502.676676]  [<ffffffff8164169d>] ? __do_page_fault+0x16d/0x450
> [85502.678540]  [<ffffffff812346d2>] ? poll_select_copy_remaining+0x62/0x130
> [85502.680489]  [<ffffffff815121ce>] SyS_sendto+0xe/0x10
> [85502.682277]  [<ffffffff8154be63>] compat_sys_socketcall+0x173/0x2a0
> [85502.684193]  [<ffffffff8164800c>] sysenter_dispatch+0x7/0x21
> [85502.686046] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [85503.372189] BUG: soft lockup - CPU#2 stuck for 23s! [nodemgr:2560]
> [85503.374181] Modules linked in: iptable_filter ip6table_mangle xt_limit
> iptable_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp 
> stp
> mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [85503.389354] CPU: 2 PID: 2560 Comm: nodemgr Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [85503.391715] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [85503.393668] task: ffff880405da6780 ti: ffff8803cfdd4000 task.ti:
> ffff8803cfdd4000
> [85503.395749] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [85503.397949] RSP: 0018:ffff8803cfdd7a40  EFLAGS: 00000202
> [85503.399809] RAX: 00000000000000f7 RBX: ffffffff8152c617 RCX:
> 000000000000712a
> [85503.401838] RDX: 000000000000712e RSI: 000000000000712e RDI:
> ffffffffa03f8548
> [85503.403857] RBP: ffff8803cfdd7a48 R08: 000000000003f1e4 R09:
> 0000000000000500
> [85503.405861] R10: ffff88040f001500 R11: ffff8803cfdd7c98 R12: 
> ffff8803cfdd7a20
> [85503.407861] R13: ffffffff81a70408 R14: ffff8803cfc44e00 R15: 
> ffff88040900e000
> [85503.409857] FS:  00007f2b09eaf740(0000) GS:ffff88041fd00000(0000)
> knlGS:0000000000000000
> [85503.411951] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [85503.413849] CR2: 00000000d2496120 CR3: 00000003cf432000 CR4:
> 00000000000406e0
> [85503.415897] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [85503.417920] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [85503.419901] Stack:
> [85503.421402]  ffffffffa03f8548 ffff8803cfdd7a68 ffffffffa03e2afb 
> ffffffffa03f7ed8
> [85503.423506]  ffff8803b4968800 ffff8803cfdd7ab8 ffffffffa03e1270
> ffffffff8151aaed
> [85503.425596]  0000000000000004 00000000cfdd7a98 ffffffffa03f76a0
> ffff8803cfce5860
> [85503.427703] Call Trace:
> [85503.429261]  [<ffffffffa03e2afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [85503.431225]  [<ffffffffa03e1270>] tipc_bcbearer_send+0xb0/0x270 [tipc]
> [85503.433182]  [<ffffffff8151aaed>] ? __alloc_skb+0x8d/0x2d0
> [85503.435031]  [<ffffffffa03e5943>] tipc_link_send_buf+0xc3/0x2a0 [tipc]
> [85503.436985]  [<ffffffff81518c00>] ? skb_copy_bits+0x60/0x290
> [85503.438857]  [<ffffffff8151ab01>] ? __alloc_skb+0xa1/0x2d0
> [85503.440698]  [<ffffffffa03e1934>] tipc_bclink_send_msg+0x34/0x90 [tipc]
> [85503.442641]  [<ffffffffa03ee9f2>] tipc_multicast+0x132/0x1f0 [tipc]
> [85503.444539]  [<ffffffffa03f0872>] send_msg+0x192/0x530 [tipc]
> [85503.446377]  [<ffffffff815111d0>] sock_sendmsg+0xb0/0xf0
> [85503.448187]  [<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
> [85503.450014]  [<ffffffff8163aac8>] ? __schedule+0x2d8/0x900
> [85503.451831]  [<ffffffff81511741>] SYSC_sendto+0x121/0x1c0
> [85503.453646]  [<ffffffff810b88a0>] ? wake_up_state+0x20/0x20
> [85503.455470]  [<ffffffff815121ce>] SyS_sendto+0xe/0x10
> [85503.457239]  [<ffffffff81646189>] system_call_fastpath+0x16/0x1b
> [85503.459098] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [85505.146170] BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:1:32669]
> [85505.150300] Modules linked in: iptable_filter ip6table_mangle xt_limit
> iptable_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp 
> stp
> mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4
> mbcache[85505.160168] BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> [85505.160168] Modules linked in: iptable_filter ip6table_mangle xt_limit
> iptable_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp 
> stp
> mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [85505.160193] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [85505.160193] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [85505.160194] task: ffff88040957e780 ti: ffff8804095c8000 task.ti:
> ffff8804095c8000
> [85505.160195] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [85505.160200] RSP: 0018:ffff88041fd83d78  EFLAGS: 00000216
> [85505.160200] RAX: 0000000000003a59 RBX: ffff88041fd83d30 RCX:
> 000000000000712a
> [85505.160201] RDX: 0000000000007130 RSI: 0000000000007130 RDI:
> ffffffffa03f8548
> [85505.160202] RBP: ffff88041fd83d80 R08: 00000000000000c0 R09:
> 0000000000000300
> [85505.160202] R10: ffff88040f001600 R11: 0000000000000005 R12:
> ffff88041fd83ce8
> [85505.160203] R13: ffffffff81646ddd R14: ffff88041fd83d80 R15: 
> ffffffffa03f8548
> [85505.160204] FS:  0000000000000000(0000) GS:ffff88041fd80000(0000)
> knlGS:0000000000000000
> [85505.160204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [85505.160205] CR2: 000000000d2ecf58 CR3: 00000003cfff7000 CR4:
> 00000000000406e0
> [85505.160208] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [85505.160209] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [85505.160209] Stack:
> [85505.160209]  ffffffffa03f8548 ffff88041fd83da0 ffffffffa03e2afb
> ffff880405eea000
> [85505.160211]  ffff8803cf535000 ffff88041fd83de0 ffffffffa03e6cdc
> 0000000100000000
> [85505.160212]  ffff880405eea000 000000000000007d 0000000000000100
> ffffffffa03e7330
> [85505.160214] Call Trace:
> [85505.160215]  <IRQ>  [<ffffffffa03e2afb>] tipc_bearer_blocked+0x1b/0x30
> [tipc]
> [85505.160220]  [<ffffffffa03e6cdc>] tipc_link_send_proto_msg+0x42c/0x500
> [tipc]
> [85505.160222]  [<ffffffffa03e7330>] ? link_start+0x40/0x40 [tipc]
> [85505.160224]  [<ffffffffa03e7281>] link_state_event+0x4d1/0x540 [tipc]
> [85505.160227]  [<ffffffffa03e739d>] link_timeout+0x6d/0x160 [tipc]
> [85505.160229]  [<ffffffff8108b086>] call_timer_fn+0x36/0x110
> [85505.160233]  [<ffffffffa03e7330>] ? link_start+0x40/0x40 [tipc]
> [85505.160235]  [<ffffffff8108dd77>] run_timer_softirq+0x237/0x340
> [85505.160237]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [85505.160238]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [85505.160240]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [85505.160244]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [85505.160245]  [<ffffffff81648715>] smp_apic_timer_interrupt+0x45/0x60
> [85505.160246]  [<ffffffff81646ddd>] apic_timer_interrupt+0x6d/0x80
> [85505.160249]  <EOI>  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [85505.160253]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [85505.160255]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [85505.160256]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [85505.160259]  [<ffffffff810475fa>] start_secondary+0x1ba/0x230
> [85505.160261] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> 
> [85505.262147]  jbd2 virtio_blk virtio_console crct10dif_pclmul 
> crct10dif_common
> crc32c_intel serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic 
> pata_acpi
> ata_piix libata floppy
> [85505.267647] CPU: 1 PID: 32669 Comm: kworker/1:1 Tainted: G           OEL 
> ---------
> ---   3.10.0-327.18.2.el7.x86_64 #1
> [85505.269871] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [85505.271629] Workqueue: events linkwatch_event
> [85505.273230] task: ffff8800368ce780 ti: ffff8803b4894000 task.ti:
> ffff8803b4894000
> [85505.275103] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [85505.277082] RSP: 0018:ffff8803b4897cd0  EFLAGS: 00000202
> [85505.278757] RAX: 0000000000000542 RBX: ffffffff8151a6f6 RCX:
> 000000000000d0c6
> [85505.280589] RDX: 000000000000d0c8 RSI: 000000000000d0c8 RDI:
> ffff880036b5a484
> [85505.282400] RBP: ffff8803b4897cd8 R08: 0000000000017600 R09:
> ffff88041fc97600
> [85505.284218] R10: ffffffff8151825d R11: ffffea000ed28f00 R12: 
> ffffffff8151a5be
> [85505.286035] R13: ffff8803b4897c48 R14: ffff8803b4a3de00 R15:
> ffff8803b4a3de00
> [85505.287857] FS:  0000000000000000(0000) GS:ffff88041fc80000(0000)
> knlGS:0000000000000000
> [85505.289789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [85505.291498] CR2: 00007fa0200011f8 CR3: 00000003cf432000 CR4:
> 00000000000406e0
> [85505.293322] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [85505.295153] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [85505.296956] Stack:
> [85505.298303]  ffff880405eea000 ffff8803b4897d10 ffffffffa03e300a
> ffffffffa03f9ba0
> [85505.300243]  ffffffff81a277c0 0000000000000004 ffff880405c04000
> 0000000000000000
> [85505.302181]  ffff8803b4897d28 ffffffffa03f2e23 00000000ffffffed
> ffff8803b4897d60
> [85505.304127] Call Trace:
> [85505.305557]  [<ffffffffa03e300a>] tipc_block_bearer+0x9a/0x110 [tipc]
> [85505.307351]  [<ffffffffa03f2e23>] recv_notification+0xb3/0xe0 [tipc]
> [85505.309139]  [<ffffffff81641b5c>] notifier_call_chain+0x4c/0x70
> [85505.310889]  [<ffffffff810abb46>] raw_notifier_call_chain+0x16/0x20
> [85505.312648]  [<ffffffff815267ad>] call_netdevice_notifiers+0x2d/0x60
> [85505.314406]  [<ffffffff815284c3>] netdev_state_change+0x23/0x40
> [85505.316133]  [<ffffffff8153f180>] linkwatch_do_dev+0x40/0x60
> [85505.317840]  [<ffffffff8153f477>] __linkwatch_run_queue+0xf7/0x200
> [85505.319592]  [<ffffffff8153f5a5>] linkwatch_event+0x25/0x30
> [85505.321301]  [<ffffffff8109d5db>] process_one_work+0x17b/0x470
> [85505.323018]  [<ffffffff8109e3ab>] worker_thread+0x11b/0x400
> [85505.324736]  [<ffffffff8109e290>] ? rescuer_thread+0x400/0x400
> [85505.326465]  [<ffffffff810a5acf>] kthread+0xcf/0xe0
> [85505.328097]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [85505.329904]  [<ffffffff816460d8>] ret_from_fork+0x58/0x90
> [85505.331600]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [85505.333399] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> 
> 
> The other issue is as follow:
> 
> 
> 
> _acpi ata_piix libata floppy
> [86111.730893] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86111.733189] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86111.735086] task: ffffffff81951440 ti: ffffffff8193c000 task.ti: 
> ffffffff8193c000
> [86111.737137] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86111.739298] RSP: 0018:ffff88041fc03be0  EFLAGS: 00000202
> [86111.741157] RAX: 000000000000418b RBX: ffff88041fc03ba8 RCX:
> 0000000000008bd0
> [86111.743174] RDX: 0000000000008bd4 RSI: 0000000000008bd4 RDI:
> ffff8800dba6e0c4
> [86111.745181] RBP: ffff88041fc03be8 R08: ffffffffa03fbc38 R09: 
> ffff880405ee0000
> [86111.747183] R10: ffff88041fc102ac R11: ffffea0010142200 R12: 
> ffff88041fc03b58
> [86111.749177] R13: ffffffff81646ddd R14: ffff88041fc03be8 R15: 
> ffff8800dba6e0c4
> [86111.751185] FS:  0000000000000000(0000) GS:ffff88041fc00000(0000)
> knlGS:0000000000000000
> [86111.753280] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86111.755171] CR2: 00007effe4c45000 CR3: 0000000402143000 CR4:
> 00000000000406f0
> [86111.757188] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86111.759184] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86111.761169] Stack:
> [86111.762683]  ffff880402113500 ffff88041fc03c70 ffffffffa03e9ec1
> 0000000000000400
> [86111.764791]  0000000000000400 0000000100000001 ffff8800dba6e0c4
> ffffffffa03fa7a8
> [86111.766898]  0000000000000000 ffff880402113500 ffff8803c7a1b7ce
> 0000000000000400
> [86111.768987] Call Trace:
> [86111.770561]  <IRQ>
> [86111.770767]  [<ffffffffa03e9ec1>] tipc_recv_msg+0x1b1/0x8e0 [tipc]
> [86111.774011]  [<ffffffffa03f4c79>] recv_msg+0x49/0x50 [tipc]
> [86111.775845]  [<ffffffff8152add2>] __netif_receive_skb_core+0x582/0x7d0
> [86111.777769]  [<ffffffff81058aaf>] ? kvm_clock_get_cycles+0x1f/0x30
> [86111.779660]  [<ffffffff8152b038>] __netif_receive_skb+0x18/0x60
> [86111.781528]  [<ffffffff8152b0c0>] netif_receive_skb+0x40/0xc0
> [86111.783369]  [<ffffffff8152bc30>] napi_gro_receive+0x80/0xb0
> [86111.785210]  [<ffffffffa00806e3>] ixgbevf_clean_rx_irq+0x383/0x730 
> [ixgbevf]
> [86111.787186]  [<ffffffff810bd0b8>] ? __enqueue_entity+0x78/0x80
> [86111.789062]  [<ffffffffa00822f7>] ixgbevf_poll+0x4c7/0x770 [ixgbevf]
> [86111.790979]  [<ffffffff8152b4f2>] net_rx_action+0x152/0x240
> [86111.792823]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86111.794661]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86111.796485]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86111.798282]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86111.800099]  [<ffffffff81648638>] do_IRQ+0x58/0xf0
> [86111.801864]  [<ffffffff8163d8ed>] common_interrupt+0x6d/0x6d
> [86111.803692]  <EOI>
> [86111.803894]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86111.807013]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86111.808746]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86111.810458]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86111.812196]  [<ffffffff81625647>] rest_init+0x77/0x80
> [86111.813807]  [<ffffffff81a8d057>] start_kernel+0x429/0x44a
> [86111.815414]  [<ffffffff81a8ca37>] ? repair_env_string+0x5c/0x5c
> [86111.817031]  [<ffffffff81a8c120>] ? early_idt_handlers+0x120/0x120
> [86111.818640]  [<ffffffff81a8c5ee>] x86_64_start_reservations+0x2a/0x2c
> [86111.820239]  [<ffffffff81a8c742>] x86_64_start_kernel+0x152/0x175
> [86111.821787] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86112.505490] BUG: soft lockup - CPU#2 stuck for 22s! [nodemgr:18561]
> [86112.507084] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86112.520240] CPU: 2 PID: 18561 Comm: nodemgr Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86112.522381] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86112.524120] task: ffff8803d0607300 ti: ffff8803d0760000 task.ti:
> ffff8803d0760000
> [86112.526036] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86112.528086] RSP: 0018:ffff8803d0763a40  EFLAGS: 00000212
> [86112.529825] RAX: 0000000000004071 RBX: ffffffff8152c617 RCX:
> 000000000000483c
> [86112.531733] RDX: 0000000000004840 RSI: 0000000000004840 RDI:
> ffffffffa03fa548
> [86112.533636] RBP: ffff8803d0763a48 R08: 000000000003f1cf R09:
> 0000000000000040
> [86112.535534] R10: ffff88040f001600 R11: ffff8803d0763c98 R12:
> ffff8803d0763a20
> [86112.537419] R13: ffffffff81a70408 R14: ffff880402003e00 R15: 
> ffff88040900e000
> [86112.539324] FS:  00007ff5ecebc740(0000) GS:ffff88041fd00000(0000)
> knlGS:0000000000000000
> [86112.541341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86112.543132] CR2: 00007effe1e43040 CR3: 00000003d061c000 CR4:
> 00000000000406e0
> [86112.545056] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86112.547003] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86112.548907] Stack:
> [86112.550350]  ffffffffa03fa548 ffff8803d0763a68 ffffffffa03e4afb
> ffffffffa03f9ed8
> [86112.552380]  ffff8804063c7800 ffff8803d0763ab8 ffffffffa03e3270
> ffffffff812f2ad5
> [86112.554411]  0000000000000004 00000000d0763a98 ffffffffa03f96a0
> ffff8804063c7660
> [86112.556446] Call Trace:
> [86112.557951]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86112.559835]  [<ffffffffa03e3270>] tipc_bcbearer_send+0xb0/0x270 [tipc]
> [86112.561731]  [<ffffffff812f2ad5>] ? cpumask_next_and+0x35/0x50
> [86112.563565]  [<ffffffffa03e7943>] tipc_link_send_buf+0xc3/0x2a0 [tipc]
> [86112.565462]  [<ffffffff8163d216>] ? _raw_read_unlock_bh+0x16/0x20
> [86112.567330]  [<ffffffffa03e3934>] tipc_bclink_send_msg+0x34/0x90 [tipc]
> [86112.569251]  [<ffffffffa03f09f2>] tipc_multicast+0x132/0x1f0 [tipc]
> [86112.571147]  [<ffffffffa03f2872>] send_msg+0x192/0x530 [tipc]
> [86112.572984]  [<ffffffff815111d0>] sock_sendmsg+0xb0/0xf0
> [86112.574781]  [<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
> [86112.576607]  [<ffffffff8163aac8>] ? __schedule+0x2d8/0x900
> [86112.578420]  [<ffffffff81511741>] SYSC_sendto+0x121/0x1c0
> [86112.580231]  [<ffffffff810b88a0>] ? wake_up_state+0x20/0x20
> [86112.582056]  [<ffffffff815121ce>] SyS_sendto+0xe/0x10
> [86112.583832]  [<ffffffff81646189>] system_call_fastpath+0x16/0x1b
> [86112.585694] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86113.785497] BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> [86113.789068] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86113.804040] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86113.806367] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86113.808283] task: ffff88040957e780 ti: ffff8804095c8000 task.ti:
> ffff8804095c8000
> [86113.810337] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86113.812489] RSP: 0018:ffff88041fd83d78  EFLAGS: 00000202
> [86113.814326] RAX: 000000000000093c RBX: ffff88041fd83d30 RCX:
> 000000000000483c
> [86113.816325] RDX: 000000000000483e RSI: 000000000000483e RDI:
> ffffffffa03fa548
> [86113.818320] RBP: ffff88041fd83d80 R08: 00000000000000c0 R09:
> 0000000000000300
> [86113.820297] R10: ffff88040f001600 R11: 0000000000000005 R12:
> ffff88041fd83ce8
> [86113.822272] R13: ffffffff81646ddd R14: ffff88041fd83d80 R15: 
> ffffffffa03fa548
> [86113.824256] FS:  0000000000000000(0000) GS:ffff88041fd80000(0000)
> knlGS:0000000000000000
> [86113.826323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86113.828186] CR2: 00007fb3cd1d0000 CR3: 0000000402143000 CR4:
> 00000000000406e0
> [86113.830187] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86113.832165] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86113.834148] Stack:
> [86113.835627]  ffffffffa03fa548 ffff88041fd83da0 ffffffffa03e4afb
> ffff880407786c00
> [86113.837689]  ffff880405b01c00 ffff88041fd83de0 ffffffffa03e8cdc
> 0000000100000000
> [86113.839757]  ffff880407786c00 000000000000007d 0000000000000100
> ffffffffa03e9330
> [86113.841826] Call Trace:
> [86113.843365]  <IRQ>
> [86113.843575]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86113.846836]  [<ffffffffa03e8cdc>] tipc_link_send_proto_msg+0x42c/0x500
> [tipc]
> [86113.848821]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86113.850681]  [<ffffffffa03e9281>] link_state_event+0x4d1/0x540 [tipc]
> [86113.852588]  [<ffffffffa03e939d>] link_timeout+0x6d/0x160 [tipc]
> [86113.854448]  [<ffffffff8108b086>] call_timer_fn+0x36/0x110
> [86113.856262]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86113.858126]  [<ffffffff8108dd77>] run_timer_softirq+0x237/0x340
> [86113.859978]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86113.861782]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86113.863568]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86113.865331]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86113.867101]  [<ffffffff81648715>] smp_apic_timer_interrupt+0x45/0x60
> [86113.868999]  [<ffffffff81646ddd>] apic_timer_interrupt+0x6d/0x80
> [86113.870846]  <EOI>
> [86113.871048]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86113.874221]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86113.876019]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86113.877796]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86113.879604]  [<ffffffff810475fa>] start_secondary+0x1ba/0x230
> [86113.881359] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86137.772653] BUG: soft lockup - CPU#1 stuck for 23s! [kworker/1:0:22252]
> [86137.775109] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86137.789057] CPU: 1 PID: 22252 Comm: kworker/1:0 Tainted: G           OEL 
> ---------
> ---   3.10.0-327.18.2.el7.x86_64 #1
> [86137.791303] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86137.793103] Workqueue: events linkwatch_event
> [86137.794785] task: ffff880405f58b80 ti: ffff8803c7a0c000 task.ti:
> ffff8803c7a0c000
> [86137.796754] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86137.798845] RSP: 0018:ffff8803c7a0fcd0  EFLAGS: 00000202
> [86137.800633] RAX: 0000000000002925 RBX: ffffffffa03fa548 RCX:
> 0000000000008bd0
> [86137.802599] RDX: 0000000000008bd2 RSI: 0000000000008bd2 RDI:
> ffff8800dba6e0c4
> [86137.804569] RBP: ffff8803c7a0fcd8 R08: 0000000000000001 R09:
> ffff8803d06d50f0
> [86137.806516] R10: 0000000022304000 R11: ffff8800db881b30 R12:
> 0000000000000001
> [86137.808465] R13: ffff880407785000 R14: ffff8804080c73c0 R15:
> 00000000a2bfb72e
> [86137.810431] FS:  0000000000000000(0000) GS:ffff88041fc80000(0000)
> knlGS:0000000000000000
> [86137.812490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86137.814333] CR2: 00000000f771f000 CR3: 00000004055c9000 CR4:
> 00000000000406e0
> [86137.816303] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86137.818266] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86137.820219] Stack:
> [86137.821678]  ffffffffa03fa4d8 ffff8803c7a0fd10 ffffffffa03e500a 
> ffffffffa03fbba0
> [86137.823733]  ffffffff81a277c0 0000000000000004 ffff8804062ec000
> 0000000000000000
> [86137.825786]  ffff8803c7a0fd28 ffffffffa03f4e23 00000000ffffffed
> ffff8803c7a0fd60
> [86137.827837] Call Trace:
> [86137.829380]  [<ffffffffa03e500a>] tipc_block_bearer+0x9a/0x110 [tipc]
> [86137.831308]  [<ffffffffa03f4e23>] recv_notification+0xb3/0xe0 [tipc]
> [86137.833225]  [<ffffffff81641b5c>] notifier_call_chain+0x4c/0x70
> [86137.835112]  [<ffffffff810abb46>] raw_notifier_call_chain+0x16/0x20
> [86137.837025]  [<ffffffff815267ad>] call_netdevice_notifiers+0x2d/0x60
> [86137.838957]  [<ffffffff815284c3>] netdev_state_change+0x23/0x40
> [86137.840843]  [<ffffffff8153f180>] linkwatch_do_dev+0x40/0x60
> [86137.842709]  [<ffffffff8153f477>] __linkwatch_run_queue+0xf7/0x200
> [86137.844622]  [<ffffffff8153f5a5>] linkwatch_event+0x25/0x30
> [86137.846494]  [<ffffffff8109d5db>] process_one_work+0x17b/0x470
> [86137.848384]  [<ffffffff8109e3ab>] worker_thread+0x11b/0x400
> [86137.850266]  [<ffffffff8109e290>] ? rescuer_thread+0x400/0x400
> [86137.852147]  [<ffffffff810a5acf>] kthread+0xcf/0xe0
> [86137.853937]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [86137.855884]  [<ffffffff816460d8>] ret_from_fork+0x58/0x90
> [86137.857720]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [86137.859692] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86139.713656] BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0]
> [86139.715810] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86139.730670] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86139.732968] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86139.734858] task: ffffffff81951440 ti: ffffffff8193c000 task.ti: 
> ffffffff8193c000
> [86139.736900] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86139.739071] RSP: 0018:ffff88041fc03be0  EFLAGS: 00000202
> [86139.740936] RAX: 0000000000000c54 RBX: ffff88041fc03ba8 RCX:
> 0000000000008bd0
> [86139.742961] RDX: 0000000000008bd4 RSI: 0000000000008bd4 RDI:
> ffff8800dba6e0c4
> [86139.744965] RBP: ffff88041fc03be8 R08: ffffffffa03fbc38 R09: 
> ffff880405ee0000
> [86139.746966] R10: ffff88041fc102ac R11: ffffea0010142200 R12: 
> ffff88041fc03b58
> [86139.748963] R13: ffffffff81646ddd R14: ffff88041fc03be8 R15: 
> ffff8800dba6e0c4
> [86139.750967] FS:  0000000000000000(0000) GS:ffff88041fc00000(0000)
> knlGS:0000000000000000
> [86139.753068] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86139.754964] CR2: 00007effe4c45000 CR3: 0000000402143000 CR4:
> 00000000000406f0
> [86139.756982] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86139.758979] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86139.760967] Stack:
> [86139.762477]  ffff880402113500 ffff88041fc03c70 ffffffffa03e9ec1
> 0000000000000400
> [86139.764579]  0000000000000400 0000000100000001 ffff8800dba6e0c4
> ffffffffa03fa7a8
> [86139.766700]  0000000000000000 ffff880402113500 ffff8803c7a1b7ce
> 0000000000000400
> [86139.768810] Call Trace:
> [86139.770384]  <IRQ>
> [86139.770592]  [<ffffffffa03e9ec1>] tipc_recv_msg+0x1b1/0x8e0 [tipc]
> [86139.773835]  [<ffffffffa03f4c79>] recv_msg+0x49/0x50 [tipc]
> [86139.775660]  [<ffffffff8152add2>] __netif_receive_skb_core+0x582/0x7d0
> [86139.777588]  [<ffffffff81058aaf>] ? kvm_clock_get_cycles+0x1f/0x30
> [86139.779471]  [<ffffffff8152b038>] __netif_receive_skb+0x18/0x60
> [86139.781349]  [<ffffffff8152b0c0>] netif_receive_skb+0x40/0xc0
> [86139.783193]  [<ffffffff8152bc30>] napi_gro_receive+0x80/0xb0
> [86139.785034]  [<ffffffffa00806e3>] ixgbevf_clean_rx_irq+0x383/0x730 
> [ixgbevf]
> [86139.787019]  [<ffffffff810bd0b8>] ? __enqueue_entity+0x78/0x80
> [86139.788886]  [<ffffffffa00822f7>] ixgbevf_poll+0x4c7/0x770 [ixgbevf]
> [86139.790806]  [<ffffffff8152b4f2>] net_rx_action+0x152/0x240
> [86139.792642]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86139.794474]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86139.796300]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86139.798089]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86139.799883]  [<ffffffff81648638>] do_IRQ+0x58/0xf0
> [86139.801629]  [<ffffffff8163d8ed>] common_interrupt+0x6d/0x6d
> [86139.803456]  <EOI>
> [86139.803657]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86139.806770]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86139.808503]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86139.810226]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86139.811956]  [<ffffffff81625647>] rest_init+0x77/0x80
> [86139.813565]  [<ffffffff81a8d057>] start_kernel+0x429/0x44a
> [86139.815182]  [<ffffffff81a8ca37>] ? repair_env_string+0x5c/0x5c
> [86139.816800]  [<ffffffff81a8c120>] ? early_idt_handlers+0x120/0x120
> [86139.818394]  [<ffffffff81a8c5ee>] x86_64_start_reservations+0x2a/0x2c
> [86139.820005]  [<ffffffff81a8c742>] x86_64_start_kernel+0x152/0x175
> [86139.821545] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86140.505667] BUG: soft lockup - CPU#2 stuck for 22s! [nodemgr:18561]
> [86140.507258] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86140.520420] CPU: 2 PID: 18561 Comm: nodemgr Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86140.522566] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86140.524309] task: ffff8803d0607300 ti: ffff8803d0760000 task.ti:
> ffff8803d0760000
> [86140.526226] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86140.528274] RSP: 0018:ffff8803d0763a40  EFLAGS: 00000212
> [86140.530009] RAX: 0000000000004e1c RBX: ffffffff8152c617 RCX:
> 000000000000483c
> [86140.531914] RDX: 0000000000004840 RSI: 0000000000004840 RDI:
> ffffffffa03fa548
> [86140.533814] RBP: ffff8803d0763a48 R08: 000000000003f1cf R09:
> 0000000000000040
> [86140.535724] R10: ffff88040f001600 R11: ffff8803d0763c98 R12:
> ffff8803d0763a20
> [86140.537610] R13: ffffffff81a70408 R14: ffff880402003e00 R15: 
> ffff88040900e000
> [86140.539513] FS:  00007ff5ecebc740(0000) GS:ffff88041fd00000(0000)
> knlGS:0000000000000000
> [86140.541517] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86140.543311] CR2: 00007effe1e43040 CR3: 00000003d061c000 CR4:
> 00000000000406e0
> [86140.545238] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86140.547172] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86140.549083] Stack:
> [86140.550528]  ffffffffa03fa548 ffff8803d0763a68 ffffffffa03e4afb
> ffffffffa03f9ed8
> [86140.552565]  ffff8804063c7800 ffff8803d0763ab8 ffffffffa03e3270
> ffffffff812f2ad5
> [86140.554585]  0000000000000004 00000000d0763a98 ffffffffa03f96a0
> ffff8804063c7660
> [86140.556603] Call Trace:
> [86140.558115]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86140.560007]  [<ffffffffa03e3270>] tipc_bcbearer_send+0xb0/0x270 [tipc]
> [86140.561904]  [<ffffffff812f2ad5>] ? cpumask_next_and+0x35/0x50
> [86140.563734]  [<ffffffffa03e7943>] tipc_link_send_buf+0xc3/0x2a0 [tipc]
> [86140.565618]  [<ffffffff8163d216>] ? _raw_read_unlock_bh+0x16/0x20
> [86140.567491]  [<ffffffffa03e3934>] tipc_bclink_send_msg+0x34/0x90 [tipc]
> [86140.569409]  [<ffffffffa03f09f2>] tipc_multicast+0x132/0x1f0 [tipc]
> [86140.571304]  [<ffffffffa03f2872>] send_msg+0x192/0x530 [tipc]
> [86140.573144]  [<ffffffff815111d0>] sock_sendmsg+0xb0/0xf0
> [86140.574929]  [<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
> [86140.576747]  [<ffffffff8163aac8>] ? __schedule+0x2d8/0x900
> [86140.578549]  [<ffffffff81511741>] SYSC_sendto+0x121/0x1c0
> [86140.580352]  [<ffffffff810b88a0>] ? wake_up_state+0x20/0x20
> [86140.582165]  [<ffffffff815121ce>] SyS_sendto+0xe/0x10
> [86140.583927]  [<ffffffff81646189>] system_call_fastpath+0x16/0x1b
> [86140.585773] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86141.785677] BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> [86141.788301] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86141.803307] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86141.805630] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86141.807547] task: ffff88040957e780 ti: ffff8804095c8000 task.ti:
> ffff8804095c8000
> [86141.809601] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86141.811764] RSP: 0018:ffff88041fd83d78  EFLAGS: 00000202
> [86141.813598] RAX: 0000000000000292 RBX: ffff88041fd83d30 RCX:
> 000000000000483c
> [86141.815599] RDX: 000000000000483e RSI: 000000000000483e RDI:
> ffffffffa03fa548
> [86141.817586] RBP: ffff88041fd83d80 R08: 00000000000000c0 R09:
> 0000000000000300
> [86141.819566] R10: ffff88040f001600 R11: 0000000000000005 R12:
> ffff88041fd83ce8
> [86141.821522] R13: ffffffff81646ddd R14: ffff88041fd83d80 R15: 
> ffffffffa03fa548
> [86141.823486] FS:  0000000000000000(0000) GS:ffff88041fd80000(0000)
> knlGS:0000000000000000
> [86141.825554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86141.827411] CR2: 00007fb3cd1d0000 CR3: 0000000402143000 CR4:
> 00000000000406e0
> [86141.829408] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86141.831379] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86141.833338] Stack:
> [86141.834816]  ffffffffa03fa548 ffff88041fd83da0 ffffffffa03e4afb
> ffff880407786c00
> [86141.836882]  ffff880405b01c00 ffff88041fd83de0 ffffffffa03e8cdc
> 0000000100000000
> [86141.838951]  ffff880407786c00 000000000000007d 0000000000000100
> ffffffffa03e9330
> [86141.841010] Call Trace:
> [86141.842549]  <IRQ>
> [86141.842760]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86141.846017]  [<ffffffffa03e8cdc>] tipc_link_send_proto_msg+0x42c/0x500
> [tipc]
> [86141.847987]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86141.849838]  [<ffffffffa03e9281>] link_state_event+0x4d1/0x540 [tipc]
> [86141.851743]  [<ffffffffa03e939d>] link_timeout+0x6d/0x160 [tipc]
> [86141.853606]  [<ffffffff8108b086>] call_timer_fn+0x36/0x110
> [86141.855418]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86141.857289]  [<ffffffff8108dd77>] run_timer_softirq+0x237/0x340
> [86141.859144]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86141.860955]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86141.862750]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86141.864511]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86141.866278]  [<ffffffff81648715>] smp_apic_timer_interrupt+0x45/0x60
> [86141.868171]  [<ffffffff81646ddd>] apic_timer_interrupt+0x6d/0x80
> [86141.870016]  <EOI>
> [86141.870216]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86141.873404]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86141.875206]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86141.876984]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86141.878783]  [<ffffffff810475fa>] start_secondary+0x1ba/0x230
> [86141.880538] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86165.772816] BUG: soft lockup - CPU#1 stuck for 23s! [kworker/1:0:22252]
> [86165.776315] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86165.790273] CPU: 1 PID: 22252 Comm: kworker/1:0 Tainted: G           OEL 
> ---------
> ---   3.10.0-327.18.2.el7.x86_64 #1
> [86165.792530] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86165.794334] Workqueue: events linkwatch_event
> [86165.796016] task: ffff880405f58b80 ti: ffff8803c7a0c000 task.ti:
> ffff8803c7a0c000
> [86165.797984] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86165.800079] RSP: 0018:ffff8803c7a0fcd0  EFLAGS: 00000202
> [86165.801875] RAX: 0000000000001b2d RBX: ffffffffa03fa548 RCX:
> 0000000000008bd0
> [86165.803849] RDX: 0000000000008bd2 RSI: 0000000000008bd2 RDI:
> ffff8800dba6e0c4
> [86165.805805] RBP: ffff8803c7a0fcd8 R08: 0000000000000001 R09:
> ffff8803d06d50f0
> [86165.807753] R10: 0000000022304000 R11: ffff8800db881b30 R12:
> 0000000000000001
> [86165.809711] R13: ffff880407785000 R14: ffff8804080c73c0 R15:
> 00000000a2bfb72e
> [86165.811671] FS:  0000000000000000(0000) GS:ffff88041fc80000(0000)
> knlGS:0000000000000000
> [86165.813729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86165.815573] CR2: 00000000f771f000 CR3: 00000004055c9000 CR4:
> 00000000000406e0
> [86165.817547] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86165.819511] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86165.821468] Stack:
> [86165.822927]  ffffffffa03fa4d8 ffff8803c7a0fd10 ffffffffa03e500a 
> ffffffffa03fbba0
> [86165.824986]  ffffffff81a277c0 0000000000000004 ffff8804062ec000
> 0000000000000000
> [86165.827041]  ffff8803c7a0fd28 ffffffffa03f4e23 00000000ffffffed
> ffff8803c7a0fd60
> [86165.829098] Call Trace:
> [86165.830641]  [<ffffffffa03e500a>] tipc_block_bearer+0x9a/0x110 [tipc]
> [86165.832572]  [<ffffffffa03f4e23>] recv_notification+0xb3/0xe0 [tipc]
> [86165.834492]  [<ffffffff81641b5c>] notifier_call_chain+0x4c/0x70
> [86165.836382]  [<ffffffff810abb46>] raw_notifier_call_chain+0x16/0x20
> [86165.838292]  [<ffffffff815267ad>] call_netdevice_notifiers+0x2d/0x60
> [86165.840227]  [<ffffffff815284c3>] netdev_state_change+0x23/0x40
> [86165.842112]  [<ffffffff8153f180>] linkwatch_do_dev+0x40/0x60
> [86165.843983]  [<ffffffff8153f477>] __linkwatch_run_queue+0xf7/0x200
> [86165.845913]  [<ffffffff8153f5a5>] linkwatch_event+0x25/0x30
> [86165.847778]  [<ffffffff8109d5db>] process_one_work+0x17b/0x470
> [86165.849676]  [<ffffffff8109e3ab>] worker_thread+0x11b/0x400
> [86165.851556]  [<ffffffff8109e290>] ? rescuer_thread+0x400/0x400
> [86165.853440]  [<ffffffff810a5acf>] kthread+0xcf/0xe0
> [86165.855232]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [86165.857176]  [<ffffffff816460d8>] ret_from_fork+0x58/0x90
> [86165.859016]  [<ffffffff810a5a00>] ? kthread_create_on_node+0x140/0x140
> [86165.860968] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86167.713832] BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0]
> [86167.719975] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86167.735125] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86167.737431] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86167.739319] task: ffffffff81951440 ti: ffffffff8193c000 task.ti: 
> ffffffff8193c000
> [86167.741370] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86167.743532] RSP: 0018:ffff88041fc03be0  EFLAGS: 00000202
> [86167.745390] RAX: 000000000000769d RBX: ffff88041fc03ba8 RCX:
> 0000000000008bd0
> [86167.747408] RDX: 0000000000008bd4 RSI: 0000000000008bd4 RDI:
> ffff8800dba6e0c4
> [86167.749408] RBP: ffff88041fc03be8 R08: ffffffffa03fbc38 R09: 
> ffff880405ee0000
> [86167.751404] R10: ffff88041fc102ac R11: ffffea0010142200 R12: 
> ffff88041fc03b58
> [86167.753391] R13: ffffffff81646ddd R14: ffff88041fc03be8 R15: 
> ffff8800dba6e0c4
> [86167.755388] FS:  0000000000000000(0000) GS:ffff88041fc00000(0000)
> knlGS:0000000000000000
> [86167.757484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86167.759364] CR2: 00007effe4c45000 CR3: 0000000402143000 CR4:
> 00000000000406f0
> [86167.761387] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86167.763382] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86167.765367] Stack:
> [86167.766882]  ffff880402113500 ffff88041fc03c70 ffffffffa03e9ec1
> 0000000000000400
> [86167.768980]  0000000000000400 0000000100000001 ffff8800dba6e0c4
> ffffffffa03fa7a8
> [86167.771081]  0000000000000000 ffff880402113500 ffff8803c7a1b7ce
> 0000000000000400
> [86167.773166] Call Trace:
> [86167.774731]  <IRQ>
> [86167.774946]  [<ffffffffa03e9ec1>] tipc_recv_msg+0x1b1/0x8e0 [tipc]
> [86167.778186]  [<ffffffffa03f4c79>] recv_msg+0x49/0x50 [tipc]
> [86167.780018]  [<ffffffff8152add2>] __netif_receive_skb_core+0x582/0x7d0
> [86167.781941]  [<ffffffff81058aaf>] ? kvm_clock_get_cycles+0x1f/0x30
> [86167.783825]  [<ffffffff8152b038>] __netif_receive_skb+0x18/0x60
> [86167.785699]  [<ffffffff8152b0c0>] netif_receive_skb+0x40/0xc0
> [86167.787548]  [<ffffffff8152bc30>] napi_gro_receive+0x80/0xb0
> [86167.789395]  [<ffffffffa00806e3>] ixgbevf_clean_rx_irq+0x383/0x730 
> [ixgbevf]
> [86167.791373]  [<ffffffff810bd0b8>] ? __enqueue_entity+0x78/0x80
> [86167.793237]  [<ffffffffa00822f7>] ixgbevf_poll+0x4c7/0x770 [ixgbevf]
> [86167.795166]  [<ffffffff8152b4f2>] net_rx_action+0x152/0x240
> [86167.797024]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86167.798848]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86167.800660]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86167.802464]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86167.804262]  [<ffffffff81648638>] do_IRQ+0x58/0xf0
> [86167.806024]  [<ffffffff8163d8ed>] common_interrupt+0x6d/0x6d
> [86167.807850]  <EOI>
> [86167.808054]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86167.811173]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86167.812911]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86167.814615]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86167.816353]  [<ffffffff81625647>] rest_init+0x77/0x80
> [86167.817957]  [<ffffffff81a8d057>] start_kernel+0x429/0x44a
> [86167.819562]  [<ffffffff81a8ca37>] ? repair_env_string+0x5c/0x5c
> [86167.821201]  [<ffffffff81a8c120>] ? early_idt_handlers+0x120/0x120
> [86167.822793]  [<ffffffff81a8c5ee>] x86_64_start_reservations+0x2a/0x2c
> [86167.824411]  [<ffffffff81a8c742>] x86_64_start_kernel+0x152/0x175
> [86167.825959] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86168.505839] BUG: soft lockup - CPU#2 stuck for 22s! [nodemgr:18561]
> [86168.507421] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86168.520623] CPU: 2 PID: 18561 Comm: nodemgr Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86168.522763] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86168.524499] task: ffff8803d0607300 ti: ffff8803d0760000 task.ti:
> ffff8803d0760000
> [86168.526406] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86168.528456] RSP: 0018:ffff8803d0763a40  EFLAGS: 00000212
> [86168.530192] RAX: 0000000000006bda RBX: ffffffff8152c617 RCX:
> 000000000000483c
> [86168.532105] RDX: 0000000000004840 RSI: 0000000000004840 RDI:
> ffffffffa03fa548
> [86168.534005] RBP: ffff8803d0763a48 R08: 000000000003f1cf R09:
> 0000000000000040
> [86168.535897] R10: ffff88040f001600 R11: ffff8803d0763c98 R12:
> ffff8803d0763a20
> [86168.537785] R13: ffffffff81a70408 R14: ffff880402003e00 R15: 
> ffff88040900e000
> [86168.539684] FS:  00007ff5ecebc740(0000) GS:ffff88041fd00000(0000)
> knlGS:0000000000000000
> [86168.541689] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86168.543499] CR2: 00007effe1e43040 CR3: 00000003d061c000 CR4:
> 00000000000406e0
> [86168.545424] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86168.547351] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86168.549265] Stack:
> [86168.550712]  ffffffffa03fa548 ffff8803d0763a68 ffffffffa03e4afb
> ffffffffa03f9ed8
> [86168.552751]  ffff8804063c7800 ffff8803d0763ab8 ffffffffa03e3270
> ffffffff812f2ad5
> [86168.554771]  0000000000000004 00000000d0763a98 ffffffffa03f96a0
> ffff8804063c7660
> [86168.556786] Call Trace:
> [86168.558304]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86168.560188]  [<ffffffffa03e3270>] tipc_bcbearer_send+0xb0/0x270 [tipc]
> [86168.562081]  [<ffffffff812f2ad5>] ? cpumask_next_and+0x35/0x50
> [86168.563916]  [<ffffffffa03e7943>] tipc_link_send_buf+0xc3/0x2a0 [tipc]
> [86168.565813]  [<ffffffff8163d216>] ? _raw_read_unlock_bh+0x16/0x20
> [86168.567681]  [<ffffffffa03e3934>] tipc_bclink_send_msg+0x34/0x90 [tipc]
> [86168.569606]  [<ffffffffa03f09f2>] tipc_multicast+0x132/0x1f0 [tipc]
> [86168.571492]  [<ffffffffa03f2872>] send_msg+0x192/0x530 [tipc]
> [86168.573335]  [<ffffffff815111d0>] sock_sendmsg+0xb0/0xf0
> [86168.575127]  [<ffffffff8101360b>] ? __switch_to+0x17b/0x4b0
> [86168.576948]  [<ffffffff8163aac8>] ? __schedule+0x2d8/0x900
> [86168.578750]  [<ffffffff81511741>] SYSC_sendto+0x121/0x1c0
> [86168.580567]  [<ffffffff810b88a0>] ? wake_up_state+0x20/0x20
> [86168.582381]  [<ffffffff815121ce>] SyS_sendto+0xe/0x10
> [86168.584171]  [<ffffffff81646189>] system_call_fastpath+0x16/0x1b
> [86168.586018] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> [86169.785848] BUG: soft lockup - CPU#3 stuck for 22s! [swapper/3:0]
> [86169.788316] Modules linked in: iptable_filter xt_limit iptable_mangle
> ip6table_mangle ip6table_filter ip6_tables igb_uio(OE) uio tipc(OE) 8021q garp
> stp mrp llc bonding dm_mirror dm_region_hash dm_log dm_mod ppdev
> crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper
> ablk_helper cryptd pcspkr i6300esb virtio_balloon cirrus syscopyarea 
> sysfillrect
> sysimgblt ttm drm_kms_helper drm i2c_piix4 i2c_core parport_pc parport
> binfmt_misc nfsd auth_rpcgss nfs_acl lockd grace sunrpc ip_tables ext4 mbcache
> jbd2 virtio_blk virtio_console crct10dif_pclmul crct10dif_common crc32c_intel
> serio_raw ixgbevf virtio_pci virtio_ring virtio ata_generic pata_acpi 
> ata_piix libata
> floppy
> [86169.803317] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G           OEL 
> ------------
> 3.10.0-327.18.2.el7.x86_64 #1
> [86169.805654] Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
> [86169.807583] task: ffff88040957e780 ti: ffff8804095c8000 task.ti:
> ffff8804095c8000
> [86169.809639] RIP: 0010:[<ffffffff8163d41d>]  [<ffffffff8163d41d>]
> _raw_spin_lock_bh+0x3d/0x50
> [86169.811804] RSP: 0018:ffff88041fd83d78  EFLAGS: 00000202
> [86169.813647] RAX: 000000000000447f RBX: ffff88041fd83d30 RCX:
> 000000000000483c
> [86169.815650] RDX: 000000000000483e RSI: 000000000000483e RDI:
> ffffffffa03fa548
> [86169.817644] RBP: ffff88041fd83d80 R08: 00000000000000c0 R09:
> 0000000000000300
> [86169.819617] R10: ffff88040f001600 R11: 0000000000000005 R12:
> ffff88041fd83ce8
> [86169.821582] R13: ffffffff81646ddd R14: ffff88041fd83d80 R15: 
> ffffffffa03fa548
> [86169.823560] FS:  0000000000000000(0000) GS:ffff88041fd80000(0000)
> knlGS:0000000000000000
> [86169.825636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [86169.827499] CR2: 00007fb3cd1d0000 CR3: 0000000402143000 CR4:
> 00000000000406e0
> [86169.829506] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [86169.831487] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [86169.833446] Stack:
> [86169.834927]  ffffffffa03fa548 ffff88041fd83da0 ffffffffa03e4afb
> ffff880407786c00
> [86169.837002]  ffff880405b01c00 ffff88041fd83de0 ffffffffa03e8cdc
> 0000000100000000
> [86169.839073]  ffff880407786c00 000000000000007d 0000000000000100
> ffffffffa03e9330
> [86169.841144] Call Trace:
> [86169.842685]  <IRQ>
> [86169.842894]  [<ffffffffa03e4afb>] tipc_bearer_blocked+0x1b/0x30 [tipc]
> [86169.846165]  [<ffffffffa03e8cdc>] tipc_link_send_proto_msg+0x42c/0x500
> [tipc]
> [86169.848144]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86169.850004]  [<ffffffffa03e9281>] link_state_event+0x4d1/0x540 [tipc]
> [86169.851933]  [<ffffffffa03e939d>] link_timeout+0x6d/0x160 [tipc]
> [86169.853797]  [<ffffffff8108b086>] call_timer_fn+0x36/0x110
> [86169.855612]  [<ffffffffa03e9330>] ? link_start+0x40/0x40 [tipc]
> [86169.857486]  [<ffffffff8108dd77>] run_timer_softirq+0x237/0x340
> [86169.859336]  [<ffffffff81084aef>] __do_softirq+0xef/0x280
> [86169.861132]  [<ffffffff81647a9c>] call_softirq+0x1c/0x30
> [86169.862926]  [<ffffffff81016fc5>] do_softirq+0x65/0xa0
> [86169.864688]  [<ffffffff81084e85>] irq_exit+0x115/0x120
> [86169.866458]  [<ffffffff81648715>] smp_apic_timer_interrupt+0x45/0x60
> [86169.868363]  [<ffffffff81646ddd>] apic_timer_interrupt+0x6d/0x80
> [86169.870208]  <EOI>
> [86169.870409]  [<ffffffff81058e96>] ? native_safe_halt+0x6/0x10
> [86169.873581]  [<ffffffff8101dbcf>] default_idle+0x1f/0xc0
> [86169.875391]  [<ffffffff8101e4d6>] arch_cpu_idle+0x26/0x30
> [86169.877178]  [<ffffffff810d6405>] cpu_startup_entry+0x245/0x290
> [86169.878994]  [<ffffffff810475fa>] start_secondary+0x1ba/0x230
> [86169.880754] Code: b8 00 00 02 00 f0 0f c1 03 89 c2 c1 ea 10 66 39 c2 75 03 
> 5b 5d
> c3 83 e2 fe 0f b7 f2 b8 00 80 00 00 0f b7 0b 66 39 ca 74 ea f3 90 <83> e8 01 
> 75 f1 48
> 89 df 66 66 66 90 66 66 90 eb e0 66 90 66 66
> 
> 
> 
> 
> 
> 
> ------------------------------------------------------------------------------
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> tipc-discussion@lists.sourceforge.net
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