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[Bug 1396979] Re: APM Mustang board kernel crashes when running Ceph

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Steve Capper <steve.capper@xxxxxxxxxx>
Date: Thu, 27 Nov 2014 12:03:54 -0000
Reply-to: Bug 1396979 <1396979@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
[ 1397.840891] Unable to handle kernel NULL pointer dereference at virtual address 00000008
[ 1397.848945] pgd = ffffffc00007d000
[ 1397.852327] [00000008] *pgd=00000043ec009003, *pmd=00000043ec00a003, *pte=00e0000078090407
[ 1397.860582] Internal error: Oops: 96000045 [#1] SMP
[ 1397.865434] Modules linked in: xfs gpio_dwapb gpio_generic xgene_rng uio_pdrv_genirq uio btrfs xor raid6_pq libcrc32c ahci_xgene ahci_platform libahci xgene_enet
[ 1397.879949] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 3.13.0-39-generic #66-Ubuntu
[ 1397.887479] task: ffffffc3ec180b00 ti: ffffffc3ec188000 task.ti: ffffffc3ec188000
[ 1397.894926] PC is at tcp_ack+0x55c/0xd8c
[ 1397.898828] LR is at tcp_rcv_established+0x430/0x668
[ 1397.903765] pc : [<ffffffc000562918>] lr : [<ffffffc00056395c>] pstate: a0000145
[ 1397.911122] sp : ffffffc3ec18b7e0
[ 1397.914417] x29: ffffffc3ec18b7e0 x28: 0000000000000000 
[ 1397.919720] x27: ffffffc3e2a18f20 x26: 0000000000000004 
[ 1397.925023] x25: 0000000000000001 x24: ffffffc3912648e8 
[ 1397.930326] x23: ffffffc3e2a18e00 x22: 00000000fe1bd8f2 
[ 1397.935628] x21: 00000000fe1be442 x20: ffffffc0008e2000 
[ 1397.940930] x19: 0000000000000402 x18: 000000007c8df90a 
[ 1397.946231] x17: 0000007f9e4b4220 x16: ffffffc0001b9410 
[ 1397.951534] x15: 003b9aca00000000 x14: 000b906a68000000 
[ 1397.956836] x13: ffffffffab964494 x12: 0000000000000000 
[ 1397.962136] x11: 0000000000000000 x10: 000000010001acb5 
[ 1397.967439] x9 : ffffffc3e2a18e00 x8 : 0000000068000a0a 
[ 1397.972741] x7 : 00000000fa2440ce x6 : 00000000fc085c8c 
[ 1397.978043] x5 : 0000000000000200 x4 : 0000000000000000 
[ 1397.983346] x3 : ffffffc391264910 x2 : 0000000000000001 
[ 1397.988649] x1 : 0000000000000000 x0 : ffffffc3e2a18f20 
[ 1397.993949] 
[ 1397.995429] Process swapper/3 (pid: 0, stack limit = 0xffffffc3ec188058)
[ 1398.002094] Stack: (0xffffffc3ec18b7e0 to 0xffffffc3ec18c000)
[ 1398.007811] b7e0: ec18b8b0 ffffffc3 0056395c ffffffc0 e2a18e00 ffffffc3 59466524 ffffffc3
[ 1398.015945] b800: e7b1fb00 ffffffc3 e7b1fb28 ffffffc3 00000020 00000000 5946651c ffffffc3
[ 1398.024081] b820: 59466510 ffffffc3 59466524 ffffffc3 00000064 00000000 00951040 ffffffc0
[ 1398.032216] b840: 83d68a00 ffffffc3 df667800 ffffffc3 ec18b8b0 ffffffc3 00000000 ffffffff
[ 1398.040350] b860: 0001accf 00000001 0001accf 00000030 00000000 00000000 00000000 00000030
[ 1398.048485] b880: 00000000 00000000 759f4fe4 13a769ad 00000000 0000005d 0000000f 00000030
[ 1398.056619] b8a0: ec18b8b0 ffffffc3 fc00159c ffffffff ec18b920 ffffffc3 0056bde0 ffffffc0
[ 1398.064753] b8c0: e7b1fb00 ffffffc3 e2a18e00 ffffffc3 e3cca780 ffffffc3 00000000 00000000
[ 1398.072888] b8e0: 00000000 00000000 5946651c ffffffc3 59466510 ffffffc3 0056bbe0 ffffffc0
[ 1398.081022] b900: e7b1fb00 ffffffc3 00000020 00000000 594664c0 ffffffc3 009c2000 ffffffc0
[ 1398.089156] b920: ec18b9a0 ffffffc3 0056f76c ffffffc0 e7b1fb00 ffffffc3 0094de40 ffffffc0
[ 1398.097290] b940: ec188000 ffffffc3 009c2000 ffffffc0 e2a18e70 ffffffc3 e2a18e00 ffffffc3
[ 1398.105424] b960: 00000000 00000000 0000911a 00000000 009c2000 ffffffc0 009c2000 ffffffc0
[ 1398.113558] b980: e2a18e70 ffffffc3 00963000 ffffffc0 ec18b9e0 ffffffc3 00517658 ffffffc0
[ 1398.121693] b9a0: ec18ba20 ffffffc3 0054a968 ffffffc0 e7b1fb00 ffffffc3 00683f68 ffffffc0
[ 1398.129827] b9c0: 009e5000 ffffffc0 0094de40 ffffffc0 00000050 00000000 594664c0 ffffffc3
[ 1398.137961] b9e0: 59466510 ffffffc3 00000001 00000000 009c2000 ffffffc0 00951040 ffffffc0
[ 1398.146096] ba00: 009c2000 ffffffc0 0056ef34 ffffffc0 e7b1fb00 ffffffc3 59466510 ffffffc3
[ 1398.154231] ba20: ec18ba50 ffffffc3 0054b084 ffffffc0 e7b1fb00 ffffffc3 59466510 ffffffc3
[ 1398.162365] ba40: df9f8000 ffffffc3 009c2000 ffffffc0 ec18ba70 ffffffc3 0054ac08 ffffffc0
[ 1398.170499] ba60: e7b1fb00 ffffffc3 59466510 ffffffc3 ec18baa0 ffffffc3 0054b320 ffffffc0
[ 1398.178634] ba80: e7b1fb00 ffffffc3 ec188000 ffffffc3 df9f8000 ffffffc3 009c2000 ffffffc0
[ 1398.186768] baa0: ec18baf0 ffffffc3 00514760 ffffffc0 e7b1fb00 ffffffc3 009e3cb8 ffffffc0
[ 1398.194902] bac0: df9f8000 ffffffc3 00000008 00000000 009e3ce0 ffffffc0 00000000 00000000
[ 1398.203036] bae0: 0000a888 00000000 df9f8000 ffffffc3 ec18bb80 ffffffc3 00514cf4 ffffffc0
[ 1398.211170] bb00: 009e3350 ffffffc0 e7b1fb00 ffffffc3 000001cc 00000000 0000003f 00000000
[ 1398.219304] bb20: 00000001 00000000 df9f6a18 ffffffc3 df9f8000 ffffffc3 0096db50 ffffffc0
[ 1398.227438] bb40: e7b1fb00 ffffffc3 00000042 00000000 000001cc 00000000 0000003f 00000000
[ 1398.235572] bb60: ec188000 ffffffc3 e7b1fb00 ffffffc3 ec18bb80 ffffffc3 009e3ce0 ffffffc0
[ 1398.243706] bb80: ec18bba0 ffffffc3 00514d80 ffffffc0 009e3350 ffffffc0 e7b1fb00 ffffffc3
[ 1398.251840] bba0: ec18bbd0 ffffffc3 00515538 ffffffc0 00000003 00000000 e7b1fb00 ffffffc3
[ 1398.259974] bbc0: ec18bbe0 ffffffc3 00954330 ffffffc0 ec18bbf0 ffffffc3 fc002398 ffffffbf
[ 1398.268108] bbe0: df9f6818 ffffffc3 df673980 ffffffc3 ec18bc70 ffffffc3 fc0026b8 ffffffbf
[ 1398.276242] bc00: df9f6890 ffffffc3 00000040 00000000 00000040 00000000 fffa1100 ffffffc3
[ 1398.284376] bc20: 008e2000 ffffffc0 fffa1110 ffffffc3 00000000 00000000 ec188000 ffffffc3
[ 1398.292510] bc40: 00000000 00000000 00834848 ffffffc0 0001acb5 00000001 fc003378 ffffffbf
[ 1398.300646] bc60: df9f8000 ffffffc3 ab964494 000001ff ec18bca0 ffffffc3 0051639c ffffffc0
[ 1398.308780] bc80: df9f6890 ffffffc3 00000040 00000000 0000012c 00000000 ec188000 ffffffc3
[ 1398.316913] bca0: ec18bd20 ffffffc3 000aa188 ffffffc0 00000003 00000000 00000001 00000000
[ 1398.325047] bcc0: 008e2098 ffffffc0 ec188000 ffffffc3 00000003 00000000 00960000 ffffffc0
[ 1398.333182] bce0: 00000100 00000000 008e2000 ffffffc0 008d75c0 ffffffc0 00000003 00000000
[ 1398.341316] bd00: 000aa124 ffffffc0 00834848 ffffffc0 00960a36 ffffffc0 0001acd1 00000001
[ 1398.349450] bd20: ec18bdb0 ffffffc3 000aa5f4 ffffffc0 ec188000 ffffffc3 009c2000 ffffffc0
[ 1398.357584] bd40: ec188000 ffffffc3 0000005c 00000000 00000000 00000000 ec188000 ffffffc3
[ 1398.365718] bd60: 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0 00612cd8 ffffffc0
[ 1398.373852] bd80: ec010c00 ffffffc3 008ef2b0 ffffffc0 007bf5d8 ffffffc0 0001acd0 00000001
[ 1398.381987] bda0: 00200040 0000000a 008d75c0 ffffffc0 ec18bdd0 ffffffc3 000850b0 ffffffc0
[ 1398.390121] bdc0: 008d9000 ffffffc0 009c2000 ffffffc0 ec18be10 ffffffc3 00081294 ffffffc0
[ 1398.398256] bde0: 0000200c ffffff80 ec18be40 ffffffc3 009d2e00 ffffffc0 00002010 ffffff80
[ 1398.406390] be00: 60000145 00000000 000f6dec ffffffc0 ec18bf60 ffffffc3 000845ac ffffffc0
[ 1398.414524] be20: ec188000 ffffffc3 ec188000 ffffffc3 ec18bf60 ffffffc3 00085600 ffffffc0
[ 1398.422659] be40: 00557de4 00000000 00000000 00000000 fff9d834 ffffffc3 0001accf 00000001
[ 1398.430793] be60: 008f5ec0 ffffffc0 00000010 00000000 67739800 00000145 fff9ddf0 ffffffc3
[ 1398.438927] be80: ec181010 ffffffc3 ec18bd60 ffffffc3 0001acb5 00000001 00000000 00000000
[ 1398.447061] bea0: 00000000 00000000 ab964494 ffffffff 68000000 000b906a 00000000 003b9aca
[ 1398.455195] bec0: 001b9410 ffffffc0 9e4b4220 0000007f 7c8df90a 00000000 ec188000 ffffffc3
[ 1398.463329] bee0: ec188000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1398.471465] bf00: ec188000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1398.479599] bf20: 00612cd8 ffffffc0 ec18bf60 ffffffc3 000855fc ffffffc0 ec18bf60 ffffffc3
[ 1398.487733] bf40: 00085600 ffffffc0 60000145 00000000 00961000 ffffffc0 009793f8 ffffffc0
[ 1398.495868] bf60: ec18bf70 ffffffc3 000ec818 ffffffc0 ec18bfd0 ffffffc3 0008e8bc ffffffc0
[ 1398.504002] bf80: 00000003 00000000 00000e12 00000000 0096d988 ffffffc0 500f0000 00000000
[ 1398.512136] bfa0: 008eb000 00000040 00000000 00000040 0007b000 00000040 0007d000 00000040
[ 1398.520270] bfc0: 000801f0 ffffffc0 000801d8 00000040 00000000 00000000 000801d8 00000040
[ 1398.528404] bfe0: 00002000 00000000 00000000 00000000 41060000 00000358 00780000 c862000e
[ 1398.536538] Call trace:
[ 1398.538972] [<ffffffc000562918>] tcp_ack+0x55c/0xd8c
[ 1398.543910] [<ffffffc000563958>] tcp_rcv_established+0x42c/0x668
[ 1398.549884] [<ffffffc00056bddc>] tcp_v4_do_rcv+0x244/0x4b8
[ 1398.555340] [<ffffffc00056f768>] tcp_v4_rcv+0x78c/0x7c0
[ 1398.560538] [<ffffffc00054a964>] ip_local_deliver_finish+0x100/0x2a8
[ 1398.566858] [<ffffffc00054b080>] ip_local_deliver+0xac/0xc4
[ 1398.572399] [<ffffffc00054ac04>] ip_rcv_finish+0xf8/0x3a0
[ 1398.577769] [<ffffffc00054b31c>] ip_rcv+0x284/0x3dc
[ 1398.582621] [<ffffffc00051475c>] __netif_receive_skb_core+0x314/0x880
[ 1398.589027] [<ffffffc000514cf0>] __netif_receive_skb+0x28/0x7c
[ 1398.594828] [<ffffffc000514d7c>] netif_receive_skb+0x38/0xa8
[ 1398.600456] [<ffffffc000515534>] napi_gro_receive+0x90/0xc4
[ 1398.606002] [<ffffffbffc002394>] xgene_enet_process_ring+0x168/0x390 [xgene_enet]
[ 1398.613446] [<ffffffbffc0026b4>] xgene_enet_napi+0x1c/0x50 [xgene_enet]
[ 1398.620026] [<ffffffc000516398>] net_rx_action+0x15c/0x240
[ 1398.625484] [<ffffffc0000aa184>] __do_softirq+0x124/0x29c
[ 1398.630854] [<ffffffc0000aa5f0>] irq_exit+0x8c/0xc0
[ 1398.635706] [<ffffffc0000850ac>] handle_IRQ+0x5c/0xc8
[ 1398.640730] [<ffffffc000081290>] gic_handle_irq+0x38/0x7c
[ 1398.646099] Exception stack(0xffffffc3ec18be20 to 0xffffffc3ec18bf40)
[ 1398.652506] be20: ec188000 ffffffc3 ec188000 ffffffc3 ec18bf60 ffffffc3 00085600 ffffffc0
[ 1398.660640] be40: 00557de4 00000000 00000000 00000000 fff9d834 ffffffc3 0001accf 00000001
[ 1398.668774] be60: 008f5ec0 ffffffc0 00000010 00000000 67739800 00000145 fff9ddf0 ffffffc3
[ 1398.676909] be80: ec181010 ffffffc3 ec18bd60 ffffffc3 0001acb5 00000001 00000000 00000000
[ 1398.685043] bea0: 00000000 00000000 ab964494 ffffffff 68000000 000b906a 00000000 003b9aca
[ 1398.693177] bec0: 001b9410 ffffffc0 9e4b4220 0000007f 7c8df90a 00000000 ec188000 ffffffc3
[ 1398.701312] bee0: ec188000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1398.709446] bf00: ec188000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1398.717580] bf20: 00612cd8 ffffffc0 ec18bf60 ffffffc3 000855fc ffffffc0 ec18bf60 ffffffc3
[ 1398.725714] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1398.730481] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1398.736283] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1398.742431] Code: f9400301 f9400700 f900031f f900071f (f9000420) 
[ 1398.748500] ---[ end trace a69b78b83a41e39e ]---
[ 1398.753093] Kernel panic - not syncing: Fatal exception in interrupt
[ 1398.759414] CPU1: stopping
[ 1398.762110] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1398.770677] Call trace:
[ 1398.773113] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1398.778483] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1398.783509] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1398.788533] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1398.793730] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1398.799100] Exception stack(0xffffffc3ec17bae0 to 0xffffffc3ec17bc00)
[ 1398.805507] bae0: e2a18e00 ffffffc3 e2a19188 ffffffc3 ec17bc20 ffffffc3 00607628 ffffffc0
[ 1398.813641] bb00: e2a18e70 ffffffc3 7e207e1e 00000000 0000003e 00000000 00007e1e 00000000
[ 1398.821775] bb20: ec17bc40 ffffffc3 ec1c0000 ffffffc3 008d75c0 ffffffc0 fff85df0 ffffffc3
[ 1398.829909] bb40: 00000020 00000000 ec17bd60 ffffffc3 00618dcc ffffffc0 00618dc8 ffffffc0
[ 1398.838043] bb60: 00000000 00000000 008e2000 ffffffc0 00000000 00000000 96a63590 0000007f
[ 1398.846177] bb80: 001a7304 ffffffc0 969deb88 0000007f 0000000d 00000000 e2a18e00 ffffffc3
[ 1398.854312] bba0: e2a19188 ffffffc3 ec178000 ffffffc3 00960000 ffffffc0 00000100 00000000
[ 1398.862446] bbc0: 0056aaf0 ffffffc0 e2a18e00 ffffffc3 ec1c1028 ffffffc3 008d75c0 ffffffc0
[ 1398.870582] bbe0: e2a19188 ffffffc3 ec17bc20 ffffffc3 0056ab08 ffffffc0 ec17bc20 ffffffc3
[ 1398.878716] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1398.883481] [<ffffffc0000b2458>] call_timer_fn+0x4c/0x114
[ 1398.888851] [<ffffffc0000b2ce8>] run_timer_softirq+0x1c4/0x278
[ 1398.894653] [<ffffffc0000aa184>] __do_softirq+0x124/0x29c
[ 1398.900022] [<ffffffc0000aa5f0>] irq_exit+0x8c/0xc0
[ 1398.904873] [<ffffffc0000850ac>] handle_IRQ+0x5c/0xc8
[ 1398.909896] [<ffffffc000081290>] gic_handle_irq+0x38/0x7c
[ 1398.915265] Exception stack(0xffffffc3ec17be20 to 0xffffffc3ec17bf40)
[ 1398.921672] be20: ec178000 ffffffc3 ec178000 ffffffc3 ec17bf60 ffffffc3 00085600 ffffffc0
[ 1398.929806] be40: 0007564c 00000000 00000000 00000000 fff85834 ffffffc3 0001ace3 00000001
[ 1398.937940] be60: 00000020 00000000 00000010 00000000 7c502b80 00000145 fff85df0 ffffffc3
[ 1398.946074] be80: ec117310 ffffffc3 ec17bd60 ffffffc3 0001acd1 00000001 00000000 00000000
[ 1398.954208] bea0: 00000000 00000000 00000000 00000000 00000000 00000000 96a63590 0000007f
[ 1398.962342] bec0: 001a7304 ffffffc0 969deb88 0000007f 0000000d 00000000 ec178000 ffffffc3
[ 1398.970476] bee0: ec178000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1398.978610] bf00: ec178000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1398.986744] bf20: 00612cd8 ffffffc0 ec17bf60 ffffffc3 000855fc ffffffc0 ec17bf60 ffffffc3
[ 1398.994879] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1398.999644] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.005445] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1399.011592] CPU0: stopping
[ 1399.014285] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.022851] Call trace:
[ 1399.025285] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.030655] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.035680] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.040703] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.045901] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.051270] Exception stack(0xffffffc0008dfaa0 to 0xffffffc0008dfbc0)
[ 1399.057677] faa0: e2a18e00 ffffffc3 e2a191d8 ffffffc3 008dfbe0 ffffffc0 00607628 ffffffc0
[ 1399.065811] fac0: e2a18e70 ffffffc3 7e1f7e1e 00000000 00000001 00000000 00007e1e 00000000
[ 1399.073946] fae0: 008dfc00 ffffffc0 0096ed80 ffffffc0 008d75c0 ffffffc0 df434048 ffffffc3
[ 1399.082081] fb00: 00000020 00000000 008dfd20 ffffffc0 00618dcc ffffffc0 00618dc8 ffffffc0
[ 1399.090216] fb20: 00066465 00000000 008e2000 ffffffc0 ac269aa0 ffffffc2 00000001 00000000
[ 1399.098350] fb40: 00000058 00000000 00000020 00000000 00000007 00000000 e2a18e00 ffffffc3
[ 1399.106484] fb60: e2a191d8 ffffffc3 008dc000 ffffffc0 00960000 ffffffc0 00000100 00000000
[ 1399.114618] fb80: 0056a218 ffffffc0 e2a18e00 ffffffc3 0096fda8 ffffffc0 008d75c0 ffffffc0
[ 1399.122752] fba0: e2a191d8 ffffffc3 008dfbe0 ffffffc0 0056a230 ffffffc0 008dfbe0 ffffffc0
[ 1399.130886] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.135650] [<ffffffc0000b2458>] call_timer_fn+0x4c/0x114
[ 1399.141020] [<ffffffc0000b2ce8>] run_timer_softirq+0x1c4/0x278
[ 1399.146822] [<ffffffc0000aa184>] __do_softirq+0x124/0x29c
[ 1399.152192] [<ffffffc0000aa5f0>] irq_exit+0x8c/0xc0
[ 1399.157042] [<ffffffc0000850ac>] handle_IRQ+0x5c/0xc8
[ 1399.162066] [<ffffffc000081290>] gic_handle_irq+0x38/0x7c
[ 1399.167435] Exception stack(0xffffffc0008dfde0 to 0xffffffc0008dff00)
[ 1399.173841] fde0: 008dc000 ffffffc0 008dc000 ffffffc0 008dff20 ffffffc0 00085600 ffffffc0
[ 1399.181977] fe00: 000c49e4 00000000 00000000 00000000 fff79834 ffffffc3 0001accc 00000001
[ 1399.190111] fe20: 00000020 00000000 00000010 00000000 70fd0000 00000145 df434048 ffffffc3
[ 1399.198247] fe40: 008e8e80 ffffffc0 008dfd20 ffffffc0 0001acd0 00000001 00000000 00000000
[ 1399.206382] fe60: 00066465 00000000 00000006 00000000 ac269aa0 ffffffc2 00000001 00000000
[ 1399.214516] fe80: 00000058 00000000 00000020 00000000 00000007 00000000 008dc000 ffffffc0
[ 1399.222650] fea0: 008dc000 ffffffc0 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.230786] fec0: 008dc000 ffffffc0 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.238920] fee0: 00612cd8 ffffffc0 008dff20 ffffffc0 000855fc ffffffc0 008dff20 ffffffc0
[ 1399.247055] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.251819] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.257621] [<ffffffc0005fa178>] rest_init+0x6c/0x78
[ 1399.262561] [<ffffffc00088f7dc>] start_kernel+0x348/0x360
[ 1399.267930] CPU2: stopping
[ 1399.270624] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.279191] Call trace:
[ 1399.281625] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.286995] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.292020] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.297044] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.302239] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.307609] Exception stack(0xffffffc3ec17fe20 to 0xffffffc3ec17ff40)
[ 1399.314015] fe20: ec17c000 ffffffc3 ec17c000 ffffffc3 ec17ff60 ffffffc3 00085600 ffffffc0
[ 1399.322150] fe40: 00082686 00000000 00000000 00000000 fff91834 ffffffc3 0001ad2b 00000001
[ 1399.330284] fe60: 00000000 00000000 ff6ba000 00000003 008f6180 ffffffc0 00000400 00000000
[ 1399.338418] fe80: ec180510 ffffffc3 ec17fd60 ffffffc3 0001ad2c 00000001 00000000 00000000
[ 1399.346553] fea0: 00000018 00000000 e8000000 00000003 00000000 00000000 767255f6 002278a0
[ 1399.354687] fec0: 00105790 ffffffc0 96dfa5ec 0000007f defa0c90 0000007f ec17c000 ffffffc3
[ 1399.362821] fee0: ec17c000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.370955] ff00: ec17c000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.379089] ff20: 00612cd8 ffffffc0 ec17ff60 ffffffc3 000855fc ffffffc0 ec17ff60 ffffffc3
[ 1399.387222] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.391988] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.397790] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1399.403938] CPU6: stopping
[ 1399.406633] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.415198] Call trace:
[ 1399.417633] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.423004] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.428029] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.433053] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.438249] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.443618] Exception stack(0xffffffc3ec197e20 to 0xffffffc3ec197f40)
[ 1399.450025] 7e20: ec194000 ffffffc3 ec194000 ffffffc3 ec197f60 ffffffc3 00085600 ffffffc0
[ 1399.458159] 7e40: 000b3434 00000000 00000000 00000000 fffc1834 ffffffc3 0001ad27 00000001
[ 1399.466294] 7e60: 00000020 00000000 00000010 00000000 778b7780 00000145 fffc1df0 ffffffc3
[ 1399.474428] 7e80: ec183110 ffffffc3 ec197d60 ffffffc3 0001accf 00000001 00000000 00000000
[ 1399.482562] 7ea0: 00000018 00000000 e8000000 00000003 00000000 00000000 c620951a 00201759
[ 1399.490696] 7ec0: 00105790 ffffffc0 96dfa5ec 0000007f 0000000d 00000000 ec194000 ffffffc3
[ 1399.498831] 7ee0: ec194000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.506966] 7f00: ec194000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.515099] 7f20: 00612cd8 ffffffc0 ec197f60 ffffffc3 000855fc ffffffc0 ec197f60 ffffffc3
[ 1399.523235] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.527999] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.533801] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1399.539949] CPU4: stopping
[ 1399.542643] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.551209] Call trace:
[ 1399.553644] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.559015] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.564039] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.569063] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.574260] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.579629] Exception stack(0xffffffc3ec18fe20 to 0xffffffc3ec18ff40)
[ 1399.586036] fe20: ec18c000 ffffffc3 ec18c000 ffffffc3 ec18ff60 ffffffc3 00085600 ffffffc0
[ 1399.594171] fe40: 000706a0 00000000 00000000 00000000 fffa9834 ffffffc3 0001ad2b 00000001
[ 1399.602305] fe60: 00000008 00000000 00000010 00000000 01424180 00000154 fffa9df0 ffffffc3
[ 1399.610439] fe80: ec181b10 ffffffc3 ec18fd60 ffffffc3 0001acd5 00000001 00000000 00000000
[ 1399.618573] fea0: 00000018 00000000 e8000000 00000003 00000000 00000000 253bdfc3 001bc975
[ 1399.626708] fec0: 00105790 ffffffc0 96dfa5ec 0000007f defa0c90 0000007f ec18c000 ffffffc3
[ 1399.634843] fee0: ec18c000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.642977] ff00: ec18c000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.651111] ff20: 00612cd8 ffffffc0 ec18ff60 ffffffc3 000855fc ffffffc0 ec18ff60 ffffffc3
[ 1399.659246] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.664011] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.669813] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1399.675960] CPU5: stopping
[ 1399.678653] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.687220] Call trace:
[ 1399.689654] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.695025] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.700049] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.705073] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.710269] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.715638] Exception stack(0xffffffc3ec193e20 to 0xffffffc3ec193f40)
[ 1399.722045] 3e20: ec190000 ffffffc3 ec190000 ffffffc3 ec193f60 ffffffc3 00085600 ffffffc0
[ 1399.730179] 3e40: 00065a22 00000000 00000000 00000000 fffb5834 ffffffc3 0001ac6c 00000001
[ 1399.738314] 3e60: 00000008 00000000 00000010 00000000 320c2180 000007b9 fffb5df0 ffffffc3
[ 1399.746448] 3e80: ec182610 ffffffc3 ec193d60 ffffffc3 0001ac07 00000001 00000000 00000000
[ 1399.754583] 3ea0: 00000018 00000000 e8000000 00000003 00000000 00000000 96a63590 0000007f
[ 1399.762717] 3ec0: 00105790 ffffffc0 96dfa5ec 0000007f defa0c90 0000007f ec190000 ffffffc3
[ 1399.770851] 3ee0: ec190000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.778985] 3f00: ec190000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.787119] 3f20: 00612cd8 ffffffc0 ec193f60 ffffffc3 000855fc ffffffc0 ec193f60 ffffffc3
[ 1399.795253] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.799412] SMP: failed to stop secondary CPUs
[ 1399.804434] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.810236] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108
[ 1399.816383] CPU7: stopping
[ 1399.819077] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G      D       3.13.0-39-generic #66-Ubuntu
[ 1399.827642] Call trace:
[ 1399.830076] [<ffffffc00008847c>] dump_backtrace+0x0/0x16c
[ 1399.835447] [<ffffffc0000885f8>] show_stack+0x10/0x1c
[ 1399.840471] [<ffffffc000602550>] dump_stack+0x74/0x94
[ 1399.845494] [<ffffffc00008ed08>] handle_IPI+0x120/0x138
[ 1399.850690] [<ffffffc0000812cc>] gic_handle_irq+0x74/0x7c
[ 1399.856060] Exception stack(0xffffffc3ec19be20 to 0xffffffc3ec19bf40)
[ 1399.862466] be20: ec198000 ffffffc3 ec198000 ffffffc3 ec19bf60 ffffffc3 00085600 ffffffc0
[ 1399.870601] be40: 0009d8d0 00000000 00000000 00000000 fffcd834 ffffffc3 0001ac21 00000001
[ 1399.878737] be60: 00000008 00000000 00000010 00000000 f63ae180 00000152 fffcddf0 ffffffc3
[ 1399.886872] be80: ec183c10 ffffffc3 ec19bd60 ffffffc3 0001aba7 00000001 00000000 00000000
[ 1399.895006] bea0: 00000005 00000000 00001000 00000000 001e0000 00000000 96a63590 0000007f
[ 1399.903141] bec0: 00105790 ffffffc0 96dfa280 0000007f d6b761d6 00000000 ec198000 ffffffc3
[ 1399.911276] bee0: ec198000 ffffffc3 00961000 ffffffc0 009793f8 ffffffc0 0096e958 ffffffc0
[ 1399.919410] bf00: ec198000 ffffffc3 0096090b ffffffc0 0007d000 00000040 007c54a0 ffffffc0
[ 1399.927544] bf20: 00612cd8 ffffffc0 ec19bf60 ffffffc3 000855fc ffffffc0 ec19bf60 ffffffc3
[ 1399.935679] [<ffffffc0000845a8>] el1_irq+0x68/0xc0
[ 1399.940444] [<ffffffc0000ec814>] cpu_startup_entry+0x12c/0x1e4
[ 1399.946246] [<ffffffc00008e8b8>] secondary_start_kernel+0xf8/0x108

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https://bugs.launchpad.net/bugs/1396979

Title:
  APM Mustang board kernel crashes when running Ceph

Status in “linux” package in Ubuntu:
  New

Bug description:
  Hi,
  We've been running Ceph on 4 APM Mustang boards within Linaro, running stock Ubuntu Utopic (problem occurs with Trusty too).

  Essentially when I place the network under heavy load (by writing data
  to a Ceph filesystem backed by 3xOSDs), I experience kernel crashes.
  I've harvested a few backtraces from the serial port and will paste
  them below as separate comments.

  I think the problem lies in the xgene driver, but I don't know enough
  to resolve where this problem is happening.

  Cheers,
  --
  Steve

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References

[Bug 1396979] [NEW] APM Mustang board kernel crashes when running Ceph
From: Steve Capper, 2014-11-27