system.log

Jul 15 19:56:26 elysium-test01 kernel: [ 7658.678894] drbd data01: role( Primary -> Secondary )
Jul 15 19:57:07 elysium-test01 kernel: [ 7699.367305] drbd data01 elysium-test02: Preparing remote state change 3620426492 (primary_nodes=0, weak_nodes=0)
Jul 15 19:57:07 elysium-test01 kernel: [ 7699.368586] drbd data01 elysium-test02: Committing remote state change 3620426492
Jul 15 19:57:07 elysium-test01 kernel: [ 7699.368596] drbd data01 elysium-test02: peer( Secondary -> Primary )
Jul 15 19:57:07 elysium-test01 kernel: [ 7699.381216] drbd data01/0 drbd100 elysium-test02: received new current UUID: A9BC35B1A366D98F
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.016631] BUG: unable to handle kernel NULL pointer dereference at           (null)
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.024951] IP: [<ffffffff813ff18d>] memcpy_orig+0x9d/0x110
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.030763] PGD 0 
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.033004] Oops: 0002 [#1] SMP 
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.036572] Modules linked in: drbd_transport_tcp(OE) drbd(OE) ppdev ip6table_filter ip6_tables iptable_filter ip_tables x_tables serio_raw parport_pc pvpanic parport ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse virtio_scsi
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.089928] CPU: 0 PID: 2117 Comm: drbd_r_data01 Tainted: G           OE   4.4.0-31-generic #50-Ubuntu
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.099345] Hardware name: Google Google/Google, BIOS Google 01/01/2011
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.106076] task: ffff8800374a8000 ti: ffff88012808c000 task.ti: ffff88012808c000
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.113677] RIP: 0010:[<ffffffff813ff18d>]  [<ffffffff813ff18d>] memcpy_orig+0x9d/0x110
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.121921] RSP: 0018:ffff88012808f9a8  EFLAGS: 00010202
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.127342] RAX: 0000000000000000 RBX: 0000000000000012 RCX: 0000000000000210
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.134594] RDX: 0000000000000012 RSI: ffff8800371f62ae RDI: 0000000000000000
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.141841] RBP: ffff88012808f9e0 R08: 0000000000000000 R09: 0000000000000000
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.149086] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88012808fbb0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.156331] R13: 0000000000000012 R14: 0000000000000012 R15: ffff88012808fb90
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.163580] FS:  0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.172183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.178047] CR2: 0000000000000000 CR3: 0000000037159000 CR4: 00000000001406f0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.185569] Stack:
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.187691]  ffffffff81403db6 ffff8800371f62c0 0000000000000210 000000000000003e
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.195667]  0000000000000012 0000000000000012 000000000000002c ffff88012808fa40
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.203652]  ffffffff81715488 0000000000000000 ffff8800ae462580 0000000000000002
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.211734] Call Trace:
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.214295]  [<ffffffff81403db6>] ? copy_to_iter+0x1b6/0x260
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.220074]  [<ffffffff81715488>] skb_copy_datagram_iter+0x68/0x280
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.226565]  [<ffffffff8176f953>] tcp_recvmsg+0x613/0xbe0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.232103]  [<ffffffff8179d87e>] inet_recvmsg+0x7e/0xb0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.237536]  [<ffffffff81705eab>] sock_recvmsg+0x3b/0x50
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.242962]  [<ffffffff81706001>] kernel_recvmsg+0x61/0x80
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.248576]  [<ffffffffc02f3703>] dtt_recv_short+0x63/0x80 [drbd_transport_tcp]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.256003]  [<ffffffffc02f37e0>] dtt_recv+0xc0/0x180 [drbd_transport_tcp]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.263006]  [<ffffffffc03355c8>] drbd_recv+0x48/0x1f0 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.268868]  [<ffffffff81705eab>] ? sock_recvmsg+0x3b/0x50
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.274479]  [<ffffffffc033e878>] read_in_block+0xa8/0x3b0 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.280697]  [<ffffffffc0340f00>] ? e_end_resync_block+0x130/0x130 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.287623]  [<ffffffffc0341010>] receive_Data+0x110/0xcc0 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.293831]  [<ffffffffc02f3803>] ? dtt_recv+0xe3/0x180 [drbd_transport_tcp]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.301006]  [<ffffffffc03355c8>] ? drbd_recv+0x48/0x1f0 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.307049]  [<ffffffffc0340f00>] ? e_end_resync_block+0x130/0x130 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.313976]  [<ffffffffc0340f00>] ? e_end_resync_block+0x130/0x130 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.320919]  [<ffffffffc0345d26>] drbd_receiver+0x3e6/0x620 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.327227]  [<ffffffffc035041e>] drbd_thread_setup+0x5e/0x110 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.333811]  [<ffffffffc03503c0>] ? idr_has_entry+0x10/0x10 [drbd]
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.340115]  [<ffffffff810a0808>] kthread+0xd8/0xf0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.345119]  [<ffffffff810a0730>] ? kthread_create_on_node+0x1e0/0x1e0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.351867]  [<ffffffff8182decf>] ret_from_fork+0x3f/0x70
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.357487]  [<ffffffff810a0730>] ? kthread_create_on_node+0x1e0/0x1e0
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.364141] Code: 57 e8 4c 89 5f e0 48 8d 7f e0 73 d2 83 c2 20 48 29 d6 48 29 d7 83 fa 10 72 24 4c 8b 06 4c 8b 4e 08 4c 8b 54 16 f0 4c 8b 5c 16 f8 <4c> 89 07 4c 89 4f 08 4c 89 54 17 f0 4c 89 5c 17 f8 c3 90 83 fa 
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.391618] RIP  [<ffffffff813ff18d>] memcpy_orig+0x9d/0x110
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.397537]  RSP <ffff88012808f9a8>
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.401146] CR2: 0000000000000000
Jul 15 19:57:11 elysium-test01 kernel: [ 7703.405085] ---[ end trace bf8830df08084a99 ]—