Looks like we found a bug. Here's the kernel dump:

[  739.621673] Unable to handle kernel NULL pointer dereference at virtual address 00000004
[  739.630249] pgd = ed0a8000
[  739.633117] [00000004] *pgd=a393c831, *pte=00000000, *ppte=00000000
[  739.639770] Internal error: Oops: 817 [#1] PREEMPT SMP THUMB2
[  739.645843] Modules linked in: omapdrm_pvr(O) arc4 omapdce(C) bnep rpmsg_omx wl12xx ppdev wlcore rfcomm omaprpc(C) mac80211 omap_remoteproc rpmsg_resmgr_common lp cfg80211 remoteproc parport omap_rpmsg_resmgr rpmsg_resmgr virtio_rpmsg_bus gator wlcore_sdio btwilink bluetooth
[  739.671783] CPU: 1    Tainted: G        WC O  (3.4.0-2-linaro-lt-omap #2~ci+121124091337-Ubuntu)
[  739.681091] PC is at __rmqueue+0x14c/0x2e4
[  739.685424] LR is at rmqueue_bulk.constprop.43+0x2f/0x8a
[  739.691040] pc : [<c009b72c>]    lr : [<c009b8f3>]    psr: 600701b3
[  739.691040] sp : e9de5ce0  ip : c11c6014  fp : 00000000
[  739.703186] r10: e9de4000  r9 : c11c6014  r8 : c0817798
[  739.708709] r7 : 0000000a  r6 : 00000004  r5 : c11c6000  r4 : 00000002
[  739.715606] r3 : c08177b8  r2 : 00000000  r1 : c0483e30  r0 : 00100100
[  739.722503] Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA Thumb  Segment user
[  739.730316] Control: 50c5387d  Table: ad0a804a  DAC: 00000015
[  739.736389] 
[  739.736389] PC: 0xc009b6ac:
[  739.740905] b6ac  80c7f000 270a4e80 eb062234 e0b81104 23009e04 6807fb02 0850f108 58ce4640
[  739.749633] b6cc  f0002e03 f85080ad eb00c036 330405c6 45ac9005 6b03d0f3 90034680 3b0146e1
[  739.758331] b6ec  97062e04 0514f1ac d0166303 dc042f04 d0022c01 6a5b4b6d 9804b17b 46224629
[  739.767059] b70c  ffd1f7fe 7f00f5b0 4b68da02 b11b6a5b 46214628 fdf4f7ff e8994626 4860000c
[  739.775756] b72c  601a6053 e8894b5f f8590009 f04f3c08 f84933ff 23003c08 f8c92f0a d1073008
[  739.784454] b74c  d00b2e04 46214628 fddaf7ff e00646a1 bf142e04 f04f46a1 e0000904 210146b1
[  739.793182] b76c  0834f1a8 09c9ea4f 801cf8cd f107fa01 9a0546b0 3a34e01c eb020849 3f010c09
[  739.801879] b78c  6009f852 1341eb05 0014f103 615e6070 f8c39e03 f842c018 1b900009 19809e07
[  739.810607] 
[  739.810607] LR: 0xc009b873:
[  739.815124] b870  465a4639 47a83608 0306ebc8 f853444b 2b003c08 463dd1f1 f422466a f02353ff
[  739.823822] b890  685a031f 605a3a01 0798681b f3d2d501 4628fe21 e8bdb009 bf008ff0 00100100
[  739.832550] b8b0  00200200 c0483e10 c079fee8 c0819510 c0819538 4ff8e92d f85db500 f100eb04
[  739.841247] b8d0  46050824 468a4640 46994614 b028f8dd f3d32700 e025f9c5 21004628 f7ff464a
[  739.849975] b8f0  4606fe77 f100b300 f1bb0314 d1050f00 60536822 61846142 e0046023 60636862
[  739.858673] b910  61826144 21006013 46302202 fc44f7ff d0032804 bf142805 20054648 0414f106
[  739.867370] b930  61f03701 d1d74557 21004628 f00c427a 4640fa4b fc95f3d3 e8bd4638 e92d8ff8
[  739.876098] b950  b50043f7 eb04f85d 68c34604 d0003380 6807de02 0901f04f 26004b29 463169c5
[  739.884796] b970  fa090fbf eb03f805 46332787 687a4638 44429600 f8e3f7ff d03c2800 463869a3
[  739.893524] 
[  739.893524] SP: 0xe9de5c60:
[  739.898040] 5c60  e9de4000 eb20c000 eb20c000 600f0113 eb7d4800 600f0113 cd908fc8 c00b96b3
[  739.906738] 5c80  eb20c000 c009b72c 600701b3 ffffffff e9de5ccc c046f5f9 00100100 c0483e30
[  739.915466] 5ca0  00000000 c08177b8 00000002 c11c6000 00000004 0000000a c0817798 c11c6014
[  739.924163] 5cc0  e9de4000 00000000 c11c6014 e9de5ce0 c009b8f3 c009b72c 600701b3 ffffffff
[  739.932861] 5ce0  00000000 00000000 00000000 c0817798 c0817540 c0817798 0000000a c0817764
[  739.941589] 5d00  00000002 c137e014 c0817540 c137e000 0000001b c0817564 00000002 0000001f
[  739.950286] 5d20  00000000 c009b8f3 00000002 c0817540 c077dc44 000000a4 c15efc5c 60070113
[  739.959014] 5d40  00e72000 00000000 e9de4000 c009bef3 00000000 00000080 e9de4000 c15efc60
[  739.967712] 
[  739.967712] IP: 0xc11c5f94:
[  739.972229] 5f94  4c784104 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  739.980926] 5fb4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  739.989654] 5fd4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  739.998352] 5ff4  00000000 00000000 00000000 000081a4 000001b4 50bc179e 50bc179e 4f6a1153
[  740.007080] 6014  00000000 c08177b8 00000008 00080000 00000001 0001f30a 00000004 00000000
[  740.015777] 6034  00000000 00000001 00194f67 00000000 00000000 00000000 00000000 00000000
[  740.024475] 6054  00000000 00000000 00000000 00000000 ea8fd15d 00000000 00000000 00000000
[  740.033203] 6074  00000000 00000000 00000000 0000001c 4c784104 00000000 4c784104 50bc179e
[  740.041900] 
[  740.041900] R1: 0xc0483db0:
[  740.046417] 3db0  73253d6d 6d6f6f20 6f63735f 615f6572 253d6a64 202c2264 2d434552 6469703e
[  740.055145] 3dd0  4552202c 633e2d43 2c6d6d6f 43455220 6f6f3e2d 63735f6d 5f65726f 006a6461
[  740.063842] 3df0  6e726177 6c6c615f 665f636f 656c6961 00000064 c0632f43 c06331c6 c06331ce
[  740.072540] 3e10  00000001 00000002 00000003 00000000 00000000 00000002 00000003 00000000
[  740.081268] 3e30  00000004 00000001 00000000 00000003 00000003 00000000 00000000 00000000
[  740.089965] 3e50  00000003 00000000 00000000 00000000 00000003 00000000 00000000 00000000
[  740.098693] 3e70  00000001 c0675f69 00000002 c0674191 00000004 c06331d6 00000008 c06331e1
[  740.107391] 3e90  00000010 c063e664 00000020 c062b7c1 00000040 c0677c28 00000080 c06331ea
[  740.116088] 
[  740.116119] R3: 0xc0817738:
[  740.120605] 7738  c0817738 c0817738 c0817740 c0817740 c0817748 c0817748 c1380014 c1354014
[  740.129333] 7758  c0817758 c0817758 0000000d c0817764 c0817764 c11d2014 c11d2014 c0817774
[  740.138031] 7778  c0817774 c081777c c081777c c1382014 c136a014 c081778c c081778c 0000000c
[  740.146759] 7798  c0817798 c0817798 c08177a0 c08177a0 c08177a8 c08177a8 c0e0e014 c0e06014
[  740.155456] 77b8  c11c6014 c10de014 c08177c0 c08177c0 0000001f c15ce000 00000000 00000000
[  740.164184] 77d8  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.172882] 77f8  00000000 00000000 00000000 00000000 dead4ead ffffffff ffffffff c0d9f000
[  740.181579] 7818  c08e6ab8 00000000 c0632f60 c0e462b4 c12a3ad4 c0e1d554 c12f5094 c0e16c54
[  740.190307] 
[  740.190307] R5: 0xc11c5f80:
[  740.194824] 5f80  0000001c 4c784104 00000000 4c784104 50bc179e 4c784104 00000000 00000000
[  740.203521] 5fa0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.212249] 5fc0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.220947] 5fe0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.229644] 6000  000081a4 000001b4 50bc179e 50bc179e 4f6a1153 00000000 c08177b8 00000008
[  740.238372] 6020  00080000 00000001 0001f30a 00000004 00000000 00000000 00000001 00194f67
[  740.247070] 6040  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.255767] 6060  00000000 ea8fd15d 00000000 00000000 00000000 00000000 00000000 00000000
[  740.264495] 
[  740.264495] R8: 0xc0817718:
[  740.269012] 7718  c0817714 c137f014 c1367014 c0817724 c0817724 0000000d c0f74014 c0f74014
[  740.277709] 7738  c0817738 c0817738 c0817740 c0817740 c0817748 c0817748 c1380014 c1354014
[  740.286437] 7758  c0817758 c0817758 0000000d c0817764 c0817764 c11d2014 c11d2014 c0817774
[  740.295135] 7778  c0817774 c081777c c081777c c1382014 c136a014 c081778c c081778c 0000000c
[  740.303863] 7798  c0817798 c0817798 c08177a0 c08177a0 c08177a8 c08177a8 c0e0e014 c0e06014
[  740.312561] 77b8  c11c6014 c10de014 c08177c0 c08177c0 0000001f c15ce000 00000000 00000000
[  740.321258] 77d8  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.329986] 77f8  00000000 00000000 00000000 00000000 dead4ead ffffffff ffffffff c0d9f000
[  740.338684] 
[  740.338684] R9: 0xc11c5f94:
[  740.343200] 5f94  4c784104 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.351928] 5fb4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.360626] 5fd4  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.369323] 5ff4  00000000 00000000 00000000 000081a4 000001b4 50bc179e 50bc179e 4f6a1153
[  740.378051] 6014  00000000 c08177b8 00000008 00080000 00000001 0001f30a 00000004 00000000
[  740.386749] 6034  00000000 00000001 00194f67 00000000 00000000 00000000 00000000 00000000
[  740.395446] 6054  00000000 00000000 00000000 00000000 ea8fd15d 00000000 00000000 00000000
[  740.404174] 6074  00000000 00000000 00000000 0000001c 4c784104 00000000 4c784104 50bc179e
[  740.412872] 
[  740.412872] R10: 0xe9de3f80:
[  740.417480] 3f80  e9de3f80 e9de3f80 e9de3f88 e9de3f88 ea0ecdf8 00000000 00000000 00000000
[  740.426208] 3fa0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.434906] 3fc0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.443603] 3fe0  00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.452331] 4000  00000002 00000003 00000000 ed0af580 c07d2c4c 00000001 00000015 ed0af580
[  740.461029] 4020  c15ecb00 ebbdfdc0 e9de5f20 e9de4000 e3a45040 ed253580 60070113 e9de5f10
[  740.469757] 4040  c046e3e3 00000000 00000000 00000000 00000000 00000000 01010000 00000000
[  740.478454] 4060  b6fd07f0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  740.487152] Process update-apt-xapi (pid: 5895, stack limit = 0xe9de42f8)
[  740.494354] Stack: (0xe9de5ce0 to 0xe9de6000)
[  740.498962] 5ce0: 00000000 00000000 00000000 c0817798 c0817540 c0817798 0000000a c0817764
[  740.507598] 5d00: 00000002 c137e014 c0817540 c137e000 0000001b c0817564 00000002 0000001f
[  740.516235] 5d20: 00000000 c009b8f3 00000002 c0817540 c077dc44 000000a4 c15efc5c 60070113
[  740.524902] 5d40: 00e72000 00000000 e9de4000 c009bef3 00000000 00000080 e9de4000 c15efc60
[  740.533538] 5d60: 000200da c081814c 00000000 00000001 00000000 00000001 ffffffff 00000018
[  740.542175] 5d80: c0798814 c0817540 60070113 000200da 00000000 0714f000 c079fee8 00000000
[  740.550842] 5da0: c0818140 e39d4338 00000002 c009c0cd 00000002 00000041 c0817940 00000002
[  740.559478] 5dc0: 00000000 00000002 00000065 c0818144 80070113 e3a450b0 000200da 00000000
[  740.568115] 5de0: 00000000 00000000 60070193 c005dda7 00000001 00000001 00000000 c0817940
[  740.576782] 5e00: e3a45098 e3a450c8 ed0af580 e39d4338 e3a45040 0714f000 ed0a81c0 e3a45040
[  740.585418] 5e20: 00000029 e39d4338 b6da0500 c00ac1bd e3a45040 e39d4338 0714f000 0714f000
[  740.594085] 5e40: 0000014f 00000038 ed0a81c0 e3a45040 00000029 e39d4338 b6da0500 c00adf69
[  740.602722] 5e60: 00000029 00000029 e9de5fb0 e9de4000 0714f004 ed0af580 00000029 e3a45040
[  740.611358] 5e80: 00000817 c0470fbb 00000001 00000000 00000000 c04711b4 e3a45098 00000001
[  740.620025] 5ea0: c07d5158 c04711b4 c07d5158 c005dccf 00000001 c07d5158 00000000 c07a495c
[  740.628662] 5ec0: e3ae4000 c0471207 00000001 c0471207 00000000 00000000 c04711b4 c046e2af
[  740.637298] 5ee0: c15ecb14 e3ae401c ed253580 00000817 c07a5834 0714f004 e9de5fb0 000001ff
[  740.645965] 5f00: 0001f020 04e94e24 b6da0500 c0008423 ea09c1c0 c005dccf ea09c1ac 00000000
[  740.654602] 5f20: 344b4c35 000000ac c077ab00 c000c1a1 34dd0cb7 000000ac c0778548 c077ab00
[  740.663238] 5f40: e9de8988 00000001 eaebd118 00000000 e9de4000 00000000 00000000 c00bd0f1
[  740.671905] 5f60: 00000000 c004c9b9 e9de5f70 c004c9b9 00000001 00000000 00000001 c079eb48
[  740.680541] 5f80: e9de5fb0 c000ffc7 00000003 b6d17322 00000000 c000c1ab c0049f9d b6d1552e
[  740.689208] 5fa0: 00070130 ffffffff 0714efe8 c046f883 00000021 0001f001 0714f000 00000000
[  740.697845] 5fc0: 00000000 b6da04c8 b6da04f8 0714efe8 000001ff 0001f020 04e94e24 b6da0500
[  740.706481] 5fe0: b6da04c8 beae4658 b6d17351 b6d1552e 00070130 ffffffff 00000000 00000000
[  740.715148] [<c009b72c>] (__rmqueue+0x14c/0x2e4) from [<c009b8f3>] (rmqueue_bulk.constprop.43+0x2f/0x8a)
[  740.725189] [<c009b8f3>] (rmqueue_bulk.constprop.43+0x2f/0x8a) from [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc)
[  740.736297] [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc) from [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8)
[  740.747283] [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8) from [<c00ac1bd>] (do_anonymous_page.isra.60+0x99/0x184)
[  740.758514] [<c00ac1bd>] (do_anonymous_page.isra.60+0x99/0x184) from [<c00adf69>] (handle_mm_fault+0x7d/0x8c)
[  740.768981] [<c00adf69>] (handle_mm_fault+0x7d/0x8c) from [<c0470fbb>] (do_page_fault+0xd5/0x21a)
[  740.778381] [<c0470fbb>] (do_page_fault+0xd5/0x21a) from [<c0008423>] (do_DataAbort+0x2b/0x64)
[  740.787506] [<c0008423>] (do_DataAbort+0x2b/0x64) from [<c046f883>] (__dabt_usr+0x43/0x60)
[  740.796234] Exception stack(0xe9de5fb0 to 0xe9de5ff8)
[  740.801574] 5fa0:                                     00000021 0001f001 0714f000 00000000
[  740.810241] 5fc0: 00000000 b6da04c8 b6da04f8 0714efe8 000001ff 0001f020 04e94e24 b6da0500
[  740.818878] 5fe0: b6da04c8 beae4658 b6d17351 b6d1552e 00070130 ffffffff
[  740.825866] Code: 4626 e899 000c 4860 (6053) 601a 
[  740.831024] ---[ end trace da227214a82491b9 ]---
[  740.835937] note: update-apt-xapi[5895] exited with preempt_count 1
[  756.645874] BUG: spinlock lockup on CPU#0, wget/6000
[  756.651123]  lock: c0817564, .magic: dead4ead, .owner: update-apt-xapi/5895, .owner_cpu: 1
[  756.659912] [<c0011079>] (unwind_backtrace+0x1/0x90) from [<c02570fd>] (do_raw_spin_lock+0xb5/0xd4)
[  756.669464] [<c02570fd>] (do_raw_spin_lock+0xb5/0xd4) from [<c009b8e7>] (rmqueue_bulk.constprop.43+0x23/0x8a)
[  756.679962] [<c009b8e7>] (rmqueue_bulk.constprop.43+0x23/0x8a) from [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc)
[  756.691101] [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc) from [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8)
[  756.702056] [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8) from [<c009821b>] (grab_cache_page_write_begin+0x4b/0x88)
[  756.713378] [<c009821b>] (grab_cache_page_write_begin+0x4b/0x88) from [<c011ef25>] (ext4_da_write_begin+0xed/0x170)
[  756.724426] [<c011ef25>] (ext4_da_write_begin+0xed/0x170) from [<c0097e37>] (generic_perform_write+0x83/0x154)
[  756.734985] [<c0097e37>] (generic_perform_write+0x83/0x154) from [<c0097f3d>] (generic_file_buffered_write+0x35/0x50)
[  756.746215] [<c0097f3d>] (generic_file_buffered_write+0x35/0x50) from [<c0098ce1>] (__generic_file_aio_write+0x2b7/0x2f2)
[  756.757812] [<c0098ce1>] (__generic_file_aio_write+0x2b7/0x2f2) from [<c0098d67>] (generic_file_aio_write+0x4b/0x86)
[  756.768951] [<c0098d67>] (generic_file_aio_write+0x4b/0x86) from [<c011a8d9>] (ext4_file_write+0x169/0x1b8)
[  756.779266] [<c011a8d9>] (ext4_file_write+0x169/0x1b8) from [<c00bc8d9>] (do_sync_write+0x65/0x90)
[  756.788726] [<c00bc8d9>] (do_sync_write+0x65/0x90) from [<c00bcfa5>] (vfs_write+0x63/0x106)
[  756.797576] [<c00bcfa5>] (vfs_write+0x63/0x106) from [<c00bd1c7>] (sys_write+0x2d/0x4e)
[  756.806060] [<c00bd1c7>] (sys_write+0x2d/0x4e) from [<c000c121>] (ret_fast_syscall+0x1/0x52)
[  756.814971] Backtrace for cpu 0 (current):
[  756.819305] [<c0011079>] (unwind_backtrace+0x1/0x90) from [<c000ff11>] (smp_send_all_cpu_backtrace+0x45/0x8c)
[  756.829803] [<c000ff11>] (smp_send_all_cpu_backtrace+0x45/0x8c) from [<c0257103>] (do_raw_spin_lock+0xbb/0xd4)
[  756.840362] [<c0257103>] (do_raw_spin_lock+0xbb/0xd4) from [<c009b8e7>] (rmqueue_bulk.constprop.43+0x23/0x8a)
[  756.850860] [<c009b8e7>] (rmqueue_bulk.constprop.43+0x23/0x8a) from [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc)
[  756.861999] [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc) from [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8)
[  756.872924] [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8) from [<c009821b>] (grab_cache_page_write_begin+0x4b/0x88)
[  756.884246] [<c009821b>] (grab_cache_page_write_begin+0x4b/0x88) from [<c011ef25>] (ext4_da_write_begin+0xed/0x170)
[  756.895294] [<c011ef25>] (ext4_da_write_begin+0xed/0x170) from [<c0097e37>] (generic_perform_write+0x83/0x154)
[  756.905853] [<c0097e37>] (generic_perform_write+0x83/0x154) from [<c0097f3d>] (generic_file_buffered_write+0x35/0x50)
[  756.917083] [<c0097f3d>] (generic_file_buffered_write+0x35/0x50) from [<c0098ce1>] (__generic_file_aio_write+0x2b7/0x2f2)
[  756.928680] [<c0098ce1>] (__generic_file_aio_write+0x2b7/0x2f2) from [<c0098d67>] (generic_file_aio_write+0x4b/0x86)
[  756.939788] [<c0098d67>] (generic_file_aio_write+0x4b/0x86) from [<c011a8d9>] (ext4_file_write+0x169/0x1b8)
[  756.950103] [<c011a8d9>] (ext4_file_write+0x169/0x1b8) from [<c00bc8d9>] (do_sync_write+0x65/0x90)
[  756.959594] [<c00bc8d9>] (do_sync_write+0x65/0x90) from [<c00bcfa5>] (vfs_write+0x63/0x106)
[  756.968414] [<c00bcfa5>] (vfs_write+0x63/0x106) from [<c00bd1c7>] (sys_write+0x2d/0x4e)
[  756.976898] [<c00bd1c7>] (sys_write+0x2d/0x4e) from [<c000c121>] (ret_fast_syscall+0x1/0x52)
[  756.985809] 
[  756.985809] sending IPI to all other CPUs:
[  757.836791] BUG: spinlock lockup on CPU#1, update-apt-xapi/5895
[  757.843048]  lock: c0817564, .magic: dead4ead, .owner: update-apt-xapi/5895, .owner_cpu: 1
[  757.851806] [<c0011079>] (unwind_backtrace+0x1/0x90) from [<c02570fd>] (do_raw_spin_lock+0xb5/0xd4)
[  757.861389] [<c02570fd>] (do_raw_spin_lock+0xb5/0xd4) from [<c009c511>] (free_pcppages_bulk+0x21/0x2bc)
[  757.871307] [<c009c511>] (free_pcppages_bulk+0x21/0x2bc) from [<c009cc4d>] (free_hot_cold_page+0xf1/0x128)
[  757.881530] [<c009cc4d>] (free_hot_cold_page+0xf1/0x128) from [<c009cf9b>] (free_hot_cold_page_list+0x7b/0x94)
[  757.892089] [<c009cf9b>] (free_hot_cold_page_list+0x7b/0x94) from [<c009ef87>] (release_pages+0x10f/0x120)
[  757.902313] [<c009ef87>] (release_pages+0x10f/0x120) from [<c00b6897>] (free_pages_and_swap_cache+0x61/0x6a)
[  757.912719] [<c00b6897>] (free_pages_and_swap_cache+0x61/0x6a) from [<c00ad1bb>] (zap_pte_range+0x233/0x26c)
[  757.923095] [<c00ad1bb>] (zap_pte_range+0x233/0x26c) from [<c00ad2cb>] (unmap_page_range+0xd7/0xe0)
[  757.932678] [<c00ad2cb>] (unmap_page_range+0xd7/0xe0) from [<c00ad905>] (unmap_vmas+0x2d/0x3a)
[  757.941772] [<c00ad905>] (unmap_vmas+0x2d/0x3a) from [<c00aff05>] (exit_mmap+0x7d/0x118)
[  757.950347] [<c00aff05>] (exit_mmap+0x7d/0x118) from [<c002b313>] (mmput.part.38+0x15/0xa2)
[  757.959197] [<c002b313>] (mmput.part.38+0x15/0xa2) from [<c002e3a1>] (exit_mm+0xd1/0xd2)
[  757.967742] [<c002e3a1>] (exit_mm+0xd1/0xd2) from [<c002fae7>] (do_exit+0x18d/0x2ce)
[  757.975921] [<c002fae7>] (do_exit+0x18d/0x2ce) from [<c000ef27>] (die+0xb1/0xca)
[  757.983764] [<c000ef27>] (die+0xb1/0xca) from [<c045dd59>] (__do_kernel_fault.part.7+0x3d/0x5c)
[  757.992950] [<c045dd59>] (__do_kernel_fault.part.7+0x3d/0x5c) from [<c04710df>] (do_page_fault+0x1f9/0x21a)
[  758.003265] [<c04710df>] (do_page_fault+0x1f9/0x21a) from [<c0008423>] (do_DataAbort+0x2b/0x64)
[  758.012481] [<c0008423>] (do_DataAbort+0x2b/0x64) from [<c046f5f9>] (__dabt_svc+0x39/0x80)
[  758.021209] Exception stack(0xe9de5c98 to 0xe9de5ce0)
[  758.026550] 5c80:                                                       00100100 c0483e30
[  758.035186] 5ca0: 00000000 c08177b8 00000002 c11c6000 00000004 0000000a c0817798 c11c6014
[  758.043823] 5cc0: e9de4000 00000000 c11c6014 e9de5ce0 c009b8f3 c009b72c 600701b3 ffffffff
[  758.052490] [<c046f5f9>] (__dabt_svc+0x39/0x80) from [<c009b72c>] (__rmqueue+0x14c/0x2e4)
[  758.061126] [<c009b72c>] (__rmqueue+0x14c/0x2e4) from [<c009b8f3>] (rmqueue_bulk.constprop.43+0x2f/0x8a)
[  758.071166] [<c009b8f3>] (rmqueue_bulk.constprop.43+0x2f/0x8a) from [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc)
[  758.082305] [<c009bef3>] (get_page_from_freelist+0xd3/0x1fc) from [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8)
[  758.093261] [<c009c0cd>] (__alloc_pages_nodemask+0xb1/0x3f8) from [<c00ac1bd>] (do_anonymous_page.isra.60+0x99/0x184)
[  758.104461] [<c00ac1bd>] (do_anonymous_page.isra.60+0x99/0x184) from [<c00adf69>] (handle_mm_fault+0x7d/0x8c)
[  758.114959] [<c00adf69>] (handle_mm_fault+0x7d/0x8c) from [<c0470fbb>] (do_page_fault+0xd5/0x21a)
[  758.124328] [<c0470fbb>] (do_page_fault+0xd5/0x21a) from [<c0008423>] (do_DataAbort+0x2b/0x64)
[  758.133453] [<c0008423>] (do_DataAbort+0x2b/0x64) from [<c046f883>] (__dabt_usr+0x43/0x60)
[  758.142181] Exception stack(0xe9de5fb0 to 0xe9de5ff8)
[  758.147521] 5fa0:                                     00000021 0001f001 0714f000 00000000
[  758.156158] 5fc0: 00000000 b6da04c8 b6da04f8 0714efe8 000001ff 0001f020 04e94e24 b6da0500
[  758.164825] 5fe0: b6da04c8 beae4658 b6d17351 b6d1552e 00070130 ffffffff