Hi,
Ubuntu 14.04.1 LTS system encountered a page_fault, 512GB SSD cache, 4T hybrid HDD backing store. Below is the OCR of the crash. If you need offsets or more info, let me know.
Is there anything I can adjust or modify to avoid? Performance is pretty amazing otherwise.
thanks,
Frank
C703972 .1883121 R18: rrrrrrrr8133f65a R11: rrrrea0005ec26c0' R12i:.~'lfifitree0z1rc531801
c1a3C312.1e9s911 R13: e eaooeea00e1 R11: rrrre801e11zrrre R15: rrtreeai at 13a000
c1e3972 .1988881 FS: eeeaeeeooooe.0a0ecee0e> Gs: rrrr8e021rc1e00ece00e> knlGS :0000000000000000
[783'72.1921551 CS: 0010 DS: 8889 ES: 0809 CR9: 000000098005003b
l783972 .1934321 CR2: 28 CR3: eeeeeee11d9edooe CR4: ee000e00e000e1e0
(783972.1947171 Stack:
c1e~12.19590s1 rrrre888757eb839 rrrrrrrre1e81rs1 rrrra8e1e113e000 rrrr8800757eb890
C783972.197282J rrrrrrrre1121da9 rrr e1e113 rrrr8809757ebfd8 e0e00e0000e13490
c1e3912.198s111 13489 rrrr88e1e113eeee rrrreee1e11306se rrrre801e112rrre
[783972.1998611 Call Trace:
(783972.2811291 C<rrrrrrrre1ee1rs1>1 wq_worker_sleeping+0x11/Gx90
[783972.2824891 C<ffffffff81724da9>J __schedule+0x589/0x7d0
(783972.2836771 C<ffffffff81725819>l schedule+0x29/0x70
(793972.2849411 l<ffffffff8106a15f>l do_exit+0x6df/0xa50
(783972.2961981 C<rrrrrrrre112a169>l oops_end+0xa9/0x150
[783972.2074581 C<ffffffff817197dd>l no_context+0x27e/0x28b
(783972.2086991 C<ffffffff8171985d>l __bad_area_nosemaphore+0x73/0x1ca
(783972.2099421 l<ffffffff817199c7>l bad_area_nosemaphore+0x13/0x15
(793972.2111741 C<ffffffff8172cb37>l do_page_fault+0xa7/0x560
(783972.2121111 C<rrrrrrrre11977a3>l ? alloc_pages_current+0xa3/0x160
C783972.21365G1 C<rrrrrrrre11538de>1 ? __get_free_pages+0xe/ex50
(783972.2148891 C<rrrrrrrre111e >l ? knalloc_order_trace+0x2e/0xa8
(783972.2161281 C<rrrrrrrret72d8Ga>1 do_page_fault+8xta.1ex1e
[783972.2173681 C<rrrrrrrrettaZ951>l ? __kmalloc+8x211/0x230
[783972.2185961 C<rrrrrrrret72946B>l page_fault+ex28.18x30
(783972.2197841 C<rrrrrrrra899d976>l ? bch_btree_node_read+0x176.18x550 Cbcachel
[703972.2299171 C<rrrrrrrra899ef45>1 bch_btree_node_get+8x165.18x290 Cbcachel
(793972.2229381 C<rrrrrrrra809f188>l bch_btree_map_nodes_recurse+9x98.10x148 Cbcachel
[793972.2231571 C<rrrrrrrraeea1b98>l ? bch_btree_insert_check_key+8x1981'9x190 Cbcachel
(793972.2242811 C<rrrrrrrr81990806>1 ? srcu_notifier_call_chain+8x16.18x20
(793972.2254021 r<rrrrrrrret8744b7>1 ? internal_add_timer+9x17.19x49
(793972.2265231 C<rrrrrrrra88a23c9>1 __bch_btree_map_nodes+ex139.18x1c9 Cbcachel
(793972.2276511 C<rrrrrrrra88a1b98>l ? bch_btree_insert_check_key+9x190.10x198 Cbcachel
(793972.2287861 C<ffffffffa88a2504>l bch_btree_insert+8xb4.t8x128 Cbcachel
(793972.2298981 C<rrrrrrrraeeac7ba>l bch_data_insert_keys+Ox3a.18x169 Cbcachel
(783972.2389831 C<rrrrrrrf81883a52>1 process_one_work+8x182.t0x458
(793972.2320431 C<rrrrrrrr81084841>1 worker_thread+8x121.t8x418
[783972.2330781 C<rrrrrrrrB1884729>1 ? rescuer_thread+8x430.t8x430
(793972.2348871 C<rrrrrrrr8188b572>1 kthread+8xd2.18xf8
(793972.2358691 C<rrrrrrrf8188b4a8>1 ? kthread_create_on_node+8x1c8.10x1c8
(703972.2368361 C<rrrrrrrr81731Src>l ret_from_fork+0x7c.t8xb8
[703972.2369941 C<rrrrrrrr8188b4a8>l ? kthread_create_on_node+8x1c8.18x1c8
[703972.2379481 Code: 88 48 89 e5 Sd 48 8b 48 c8 48 ct e8 02 83 e8 81 c3 66 2e er 1f 84 88 00 00 00 00 66 66 66 66 90 48 Bb 87 c
o 93 ee ee 55 48 89 es <48> Bb 48 dB Sd c3 66 2e er tr 84 00 00 00 00 00 66 66 66 66 90
(703972.2481381 RIP C<rrrrrrrr8108bc18>l kthread_data+0x10.t0x20
£703972.2411731 RSP <rrrr8800757eb818>
c103912.2122031 cR2: rrrrrrrrrrrrrrd8��.n��������+%������w��{.n�����{���{ay� ʇڙ���f���h������_�(�階�ݢj"��������G����?���&��
