After leaving it for a while it eventually crashed with the following: [ 1770.462955] Modules linked in: ib_srpt(O) scst_vdisk(O) scst(O) bonding ib_srp raid1 dm_multipath raid0 md_mod [ 1770.463152] CPU 0 [ 1770.463163] Pid: 4573, comm: kworker/0:0 Tainted: G O 3.6.0-rc5+ #4 Dell PowerEdge C2100 /0P19C9 [ 1770.463375] RIP: e030:[<ffffffff8155a0cc>] [<ffffffff8155a0cc>] ipoib_cm_tx_handler+0x17c/0x2d0 [ 1770.463525] RSP: e02b:ffff8801265f5c90 EFLAGS: 00010086 [ 1770.463602] RAX: dead000000200200 RBX: ffff880115bb6000 RCX: 0000000000000000 [ 1770.463686] RDX: dead000000100100 RSI: ffff880115580200 RDI: ffff8801275a3200 [ 1770.463770] RBP: ffff8801265f5ce0 R08: 0000000000000040 R09: 0000000000000040 [ 1770.463857] R10: 0000000000007ff0 R11: dead000000200200 R12: ffff880115580200 [ 1770.463941] R13: 0000000000000001 R14: ffff880118818600 R15: 0000000000000000 [ 1770.464027] FS: 00007f41ee938700(0000) GS:ffff88013ba00000(0000) knlGS:0000000000000000 [ 1770.464167] CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b [ 1770.464245] CR2: ffffffffff600400 CR3: 00000001231dd000 CR4: 0000000000002660 [ 1770.464346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1770.464430] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 1770.464514] Process kworker/0:0 (pid: 4573, threadinfo ffff8801265f4000, task ffff88011aa00760) [ 1770.464656] Stack: [ 1770.464720] 0000000000000000 ffff88011558ca00 ffff880115bb62e0 ffff880115bb66c0 [ 1770.464869] ffffffff8103e912 ffff880135b34e00 ffff880135b36800 ffff880135b36870 [ 1770.465018] 0000000000000001 ffffffff81530020 ffff8801265f5d40 ffffffff8152e352 [ 1770.465165] Call Trace: [ 1770.465235] [<ffffffff8103e912>] ? paravirt_end_context_switch+0x12/0x30 [ 1770.465319] [<ffffffff81530020>] ? cm_req_handler+0xa90/0xa90 [ 1770.465398] [<ffffffff8152e352>] cm_process_work+0x22/0x140 [ 1770.465479] [<ffffffff8152b95f>] ? cm_get_id+0x1f/0x50 [ 1770.465556] [<ffffffff81530020>] ? cm_req_handler+0xa90/0xa90 [ 1770.465636] [<ffffffff81530241>] cm_work_handler+0x221/0x1090 [ 1770.465735] [<ffffffff816b6cc8>] ? __schedule+0x398/0x780 [ 1770.465814] [<ffffffff81530020>] ? cm_req_handler+0xa90/0xa90 [ 1770.465895] [<ffffffff8106a65a>] process_one_work+0x13a/0x500 [ 1770.465976] [<ffffffff8106bb65>] worker_thread+0x1a5/0x510 [ 1770.466055] [<ffffffff816b7e09>] ? _raw_spin_unlock_irqrestore+0x19/0x20 [ 1770.466137] [<ffffffff8106b9c0>] ? manage_workers+0x330/0x330 [ 1770.466218] [<ffffffff81070cd6>] kthread+0x96/0xa0 [ 1770.466295] [<ffffffff816c0c44>] kernel_thread_helper+0x4/0x10 [ 1770.466376] [<ffffffff816b8078>] ? retint_restore_args+0x5/0x6 [ 1770.466456] [<ffffffff816c0c40>] ? gs_change+0x13/0x13 [ 1770.466532] Code: e8 1a de 15 00 49 8b 7e 28 49 89 c4 48 85 ff 74 40 48 8b 57 48 48 8b 47 50 48 c7 47 08 00 00 00 00 49 bb 00 02 20 00 00 00 ad de <48> 89 42 08 49 bd 00 01 10 00 00 00 ad de 48 89 10 4c 89 6f 48 [ 1770.466975] RIP [<ffffffff8155a0cc>] ipoib_cm_tx_handler+0x17c/0x2d0 [ 1770.467059] RSP <ffff8801265f5c90> [ 1770.467361] ---[ end trace b2eeb9864136d82b ]--- [ 1770.467463] Kernel panic - not syncing: Fatal exception in interrupt -- CTO | Orion Virtualisation Solutions | www.orionvm.com.au Phone: 1300 56 99 52 | Mobile: 0428 754 846 -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html