May 12 17:44:59 octane kernel: [618931.443643] BUG: soft lockup - CPU#0 stuck for 22s! [smbd:4586]
May 12 17:44:59 octane kernel: [618931.447573] Modules linked in: xt_multiport iptable_filter ip_tables x_tables bnep rfcomm bluetooth 6lowpan_iphc dm_crypt nfsd auth_rpcgss nfs_acl nfs lockd sunrpc fscache binfmt_misc kvm_amd kvm shpchp serio_raw i2c_nforce2 k10temp edac_core edac_mce_amd mac_hid parport_pc ppdev lp parport raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid0 multipath linear raid1 radeon i2c_algo_bit ttm drm_kms_helper pata_acpi drm forcedeth sata_nv pata_amd
May 12 17:44:59 octane kernel: [618931.447655] CPU: 0 PID: 4586 Comm: smbd Not tainted 3.16.0-70-generic #90~14.04.1-Ubuntu
May 12 17:44:59 octane kernel: [618931.447660] Hardware name: Supermicro H8DM3-2/H8DM3-2, BIOS 080014  12/29/2008
May 12 17:44:59 octane kernel: [618931.447666] task: ffff8803eb72dbb0 ti: ffff8803e8ec8000 task.ti: ffff8803e8ec8000
May 12 17:44:59 octane kernel: [618931.447671] RIP: 0010:[<ffffffff810741f8>]  [<ffffffff810741f8>] __do_softirq+0x88/0x2e0
May 12 17:44:59 octane kernel: [618931.447684] RSP: 0018:ffff88022fc03f08  EFLAGS: 00000206
May 12 17:44:59 octane kernel: [618931.447689] RAX: ffff8803e8ecbfd8 RBX: ffff88022fc03ec8 RCX: 0000000109384e5b
May 12 17:44:59 octane kernel: [618931.447693] RDX: 0000000109384e5b RSI: ffff880229d3e600 RDI: ffff8803eb72dbb0
May 12 17:44:59 octane kernel: [618931.447698] RBP: ffff88022fc03f58 R08: 0000000009420665 R09: 0000000000000002
May 12 17:44:59 octane kernel: [618931.447702] R10: 0000000000000000 R11: 0000000000000004 R12: ffff88022fc03e78
May 12 17:44:59 octane kernel: [618931.447706] R13: ffffffff817734fd R14: ffff88022fc03f58 R15: ffff8803e8ecbd98
May 12 17:44:59 octane kernel: [618931.447712] FS:  00007f534ce02780(0000) GS:ffff88022fc00000(0000) knlGS:0000000000000000
May 12 17:44:59 octane kernel: [618931.447716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
May 12 17:44:59 octane kernel: [618931.447721] CR2: 00007f4515e6c000 CR3: 00000003e8e4f000 CR4: 00000000000007f0
May 12 17:44:59 octane kernel: [618931.447725] Stack:
May 12 17:44:59 octane kernel: [618931.447728]  ffff8803e8ecbfd8 0000000a00406140 0000000109384e5c ffff880229d3e600
May 12 17:44:59 octane kernel: [618931.447735]  ffff88020000000c ffff8803e8ecbd98 000000000000004c 0000000000000022
May 12 17:44:59 octane kernel: [618931.447741]  0000000000000022 0000000000000000 ffff88022fc03f70 ffffffff81074725
May 12 17:44:59 octane kernel: [618931.447747] Call Trace:
May 12 17:44:59 octane kernel: [618931.447751]  <IRQ>
May 12 17:44:59 octane kernel: [618931.447755]  [<ffffffff81074725>] irq_exit+0x105/0x110
May 12 17:44:59 octane kernel: [618931.447772]  [<ffffffff817753d8>] do_IRQ+0x58/0xf0
May 12 17:44:59 octane kernel: [618931.447779]  [<ffffffff817731ed>] common_interrupt+0x6d/0x6d
May 12 17:44:59 octane kernel: [618931.447783]  <EOI>
May 12 17:44:59 octane kernel: [618931.447786]  [<ffffffff8177204d>] ? _raw_spin_lock+0x3d/0x50
May 12 17:44:59 octane kernel: [618931.447802]  [<ffffffff8170132c>] unix_state_double_lock+0x2c/0x70
May 12 17:44:59 octane kernel: [618931.447810]  [<ffffffff81704143>] unix_dgram_connect+0x93/0x250
May 12 17:44:59 octane kernel: [618931.447818]  [<ffffffff8164ca57>] SYSC_connect+0xe7/0x120
May 12 17:44:59 octane kernel: [618931.447827]  [<ffffffff811e7e0a>] ? SyS_fcntl+0x48a/0x610
May 12 17:44:59 octane kernel: [618931.447834]  [<ffffffff8164d75e>] SyS_connect+0xe/0x10
May 12 17:44:59 octane kernel: [618931.447842]  [<ffffffff8177258d>] system_call_fastpath+0x1a/0x1f
May 12 17:44:59 octane kernel: [618931.447845] Code: 01 00 00 65 48 8b 04 25 48 b8 00 00 c7 45 bc 0a 00 00 00 48 89 45 b0 0f 1f 40 00 65 c7 04 25 80 04 01 00 00 00 00 00 fb 66 66 90 <66> 66 90 b8 ff ff ff ff 49 c7 c4 80 c0 c0 81 0f bc 45 d0 83 c0