我在我的Android手机上加密，加密成功（从logcat确认）。 现在系统正常重启，一旦完成启动，系统会要求我提供磁盘密码来解密用户数据。
我输入了光盘密码并重新启动系统：O，再次询问我磁盘密码。理想的条件应该是设备加载解密的用户数据。
在检查last_kmsg日志时，它显示内核崩溃。如何分析内核日志？
下面是内核恐慌情况日志，
[ 65.969569] WARNING: at kernel/arch/arm/mach-msm/msm-pm.c:837 msm_pm_wait_cpu_shutdown+0xb0/0xd0()
[ 65.981686] ---[ end trace 39b994bb8aed4d13 ]---
[ 66.303908] init: untracked pid 962 exited
[ 66.402400] check_dsi_ctrl_status: rohi: check_dsi_ctrl_status IN
[ 66.407913] Unable to handle kernel NULL pointer dereference at virtual address 000000d4
[ 66.418851] pgd = c0004000
[ 66.421101] [000000d4] *pgd=00000000
[ 66.425927] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[ 66.430445] Modules linked in:
[ 66.433416] CPU: 0 Tainted: G W (3.4.0-gc5da25d-00089-g25d4b28-dirty #2)
[ 66.441406] PC is at check_dsi_ctrl_status+0x54/0x1bc
[ 66.446349] LR is at check_dsi_ctrl_status+0x14/0x1bc
[ 66.451383] pc : [<c03fc68c>] lr : [<c03fc64c>] psr: a0000013
[ 66.451387] sp : f606ff48 ip : f606fe16 fp : f5422d90
[ 66.462914] r10: 00000000 r9 : c03fc638 r8 : f6288010
[ 66.468050] r7 : f6289000 r6 : 00000000 r5 : f6288028 r4 : f5422d8c
[ 66.474631] r3 : f5b6b2d0 r2 : c03de2a8 r1 : c0c9f75d r0 : 0000004c
[ 66.481072] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 66.488438] Control: 10c5787d Table: 34c5c06a DAC: 00000015
[ 66.494091]
[ 66.494093] PC: 0xc03fc60c:
[ 66.498416] c60c e59f1014 01a02003 e5963004 eb156f8b e1a00004 e8bd807c c0c9f63f c0a3ba78
[ 66.506499] c62c c0cdf6f9 c0cc6736 c0c9f660 e92d41f3 e1a04000 e59f1184 e59f0184 eb156f7f
[ 66.514658] c64c e354000c 059f017c 0a00001e e5943044 e5932118 e592506c e3550000 059f0168
[ 66.522819] c66c 0a000018 e5152008 e2458018 e3520000 059f0158 0a000013 e5937288 e5976048
[ 66.530979] c68c e59600d4 e3500000 0a000000 eb15aa29 e2877020 e1a00007 eb15aa26 e5943044
[ 66.539139] c6ac e5d3139c e3510000 0a000009 e1a00007 eb15a947 e59600d4 e3500000 0a000000
[ 66.547298] c6cc eb15a943 e59f0108 e59f10f0 eb156f5b ea000039 e5963124 e3530000 0a000001
[ 66.555457] c6ec e1a00006 e12fff33 e59f00e8 e1d032ba e3130004 0a000003 e2800018 e59f10d8
[ 66.563619]
[ 66.563622] LR: 0xc03fc5cc:
[ 66.567871] c5cc e3a04000 ea000011 e5d45000 e3a02000 e3550000 03a05007 13a05008 e1a01005
[ 66.576031] c5ec ebfff2f6 e2504000 0afffff4 e59f302c e3550008 e58d4000 e59f2024 e59f0024
[ 66.584190] c60c e59f1014 01a02003 e5963004 eb156f8b e1a00004 e8bd807c c0c9f63f c0a3ba78
[ 66.592350] c62c c0cdf6f9 c0cc6736 c0c9f660 e92d41f3 e1a04000 e59f1184 e59f0184 eb156f7f
[ 66.600509] c64c e354000c 059f017c 0a00001e e5943044 e5932118 e592506c e3550000 059f0168
[ 66.608670] c66c 0a000018 e5152008 e2458018 e3520000 059f0158 0a000013 e5937288 e5976048
[ 66.616829] c68c e59600d4 e3500000 0a000000 eb15aa29 e2877020 e1a00007 eb15aa26 e5943044
[ 66.624989] c6ac e5d3139c e3510000 0a000009 e1a00007 eb15a947 e59600d4 e3500000 0a000000
[ 66.633151]
[ 66.633153] SP: 0xf606fec8:
[ 66.637402] fec8 205b0000 36362020 3230342e 5d303034 00000020 c03fc68c a0000013 ffffffff
[ 66.645562] fee8 f606ff34 f6288010 c03fc638 00000000 f5422d90 c0968fd8 0000004c c0c9f75d
[ 66.653725] ff08 c03de2a8 f5b6b2d0 f5422d8c f6288028 00000000 f6289000 f6288010 c03fc638
[ 66.661881] ff28 00000000 f5422d90 f606fe16 f606ff48 c03fc64c c03fc68c a0000013 ffffffff
[ 66.670041] ff48 f5422d8c f5422d8c f6021fc0 f5422d8c ce45c900 ce462c00 ce45ca18 c01af4a8
[ 66.678202] ff68 f6021fc0 00000001 00000000 f6021fc0 ce45ca18 f606e000 c16c5319 ce45c900
[ 66.686361] ff88 ce45ca18 f6021fd0 00000009 c01af858 00000000 f6059edc f6021fc0 c01af6d4
[ 66.694520] ffa8 00000013 00000000 00000000 00000000 00000000 c01b3f34 f6059edc 00000000
[ 66.702683]
[ 66.702685] IP: 0xf606fd96:
[ 66.706936] fd94 00000017 00000000 c0109c60 00000000 0000000b 000000d4 00000017 00000000
[ 66.715093] fdb4 f606ff00 00000017 c0957bf4 f6050f00 c096a9bc 00ac005a f61fd800 f606fdf8
[ 66.723253] fdd4 00000000 00000000 c5b41000 0001116b 0000000c f606fe3c c06da00c 00000000
[ 66.731412] fdf4 00000080 001d00f3 00ec0097 00b30073 00a6005c 00a900c9 00d10093 006500d8
[ 66.739573] fe14 00ad009f 00000046 f61fd800 f61fd800 0001116b 00000046 c03fc68c f606ff00
[ 66.747731] fe34 00000017 000000d4 c102bd98 00000007 c102bd28 f5422d90 c01003b4 00016d23
[ 66.755892] fe54 00000000 c1055500 00000001 00000001 f606e000 f606fe7c c096ac54 60000093
[ 66.764051] fe74 00016d23 c1055488 c0968cc8 c1055488 c0197f44 ffffffff 00000001 0000000f
[ 66.772211] fe94 0000004c 00000003 c178528f 00000009 c1055488 60000013 c0198458 00000000
[ 66.780371]
[ 66.780373] FP: 0xf5422d10:
[ 66.784626] 2d10 f5422d10 f5422d10 c047bb08 c047bb50 00000000 00000000 00000000 00000000
[ 66.792784] 2d30 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 66.800943] 2d50 f5422d50 f5422d50 f5b6d000 f5435400 00000000 00000000 00000000 00000000
[ 66.809103] 2d70 00000000 00000000 00000000 00000000 c03fc7f4 c4c37a58 00000000 00000000
[ 66.817263] 2d90 f5422d90 f5422d90 c03fc638 00000000 00200200 ffffa4be c17a5880 c01b00a4
[ 66.825425] 2db0 f5422d8c ffffffff ffffffff 00000000 00000000 00000000 00000000 00000000
[ 66.833583] 2dd0 f5b6b2d0 00001388 00000000 00000000 00000000 00000000 00000000 00000000
[ 66.841742] 2df0 00000000 00000000 00000000 00000000 f5401380 c4c4a504 f6121f40 f6121f58
[ 66.849903]
[ 66.849905] R1: 0xc0c9f6dd:
[ 66.854156] f6dc 725f6266 73696765 5f726574 65696c63 6620746e 656c6961 72202c64 72757465
[ 66.862316] f6fc 2064656e 68746977 3d637220 000a6425 253e363c 44203a73 73204953 75746174
[ 66.870477] f71c 68632073 206b6365 65746e69 6c617672 0a64253a 3a732500 49534420 72746320
[ 66.878633] f73c 7473206c 73757461 726f7720 7571206b 20657565 74696e69 696c6169 0a64657a
[ 66.886794] f75c 3e333c00 203a7325 69686f72 6320203a 6b636568 6973645f 7274635f 74735f6c
[ 66.894955] f77c 73757461 4e492020 3e333c00 723a7325 3a69686f 49534420 61747320 20737574
[ 66.903116] f79c 61746164 746f6e20 61766120 62616c69 000a656c 253e333c 72203a73 3a69686f
[ 66.911276] f7bc 6e615020 64206c65 20617461 20746f6e 69617661 6c62616c 3c000a65 73253e33
[ 66.919430] f7dc 6f72203a 3a206968 49534420 72746320 726f206c 61747320 5f737574 63656863
[ 66.927596]
[ 66.927598] R2: 0xc03de228:
[ 66.931847] e228 ebf6d211 eaffffff e1a00000 eaffffff e1a00000 e3500000 e5876110 0a000001
[ 66.940005] e248 f57ff04f f57ff06f e5944260 e3a00002 e2841004 ebf6d204 eaffffff e1a00000
[ 66.948163] e268 eaffffff e1a00000 e3500000 e5845004 0a000001 f57ff04f f57ff06f f57ff04f
[ 66.956328] e288 e8bd80f8 c0c955ca c0a38788 c16cffe8 c0c966f1 00200002 02200202 c17fb6f8
[ 66.964484] e2a8 e92d4070 e2504000 1a000004 e59f011c e1a05004 e59f1118 eb15e861 ea000041
[ 66.972645] e2c8 e59f0110 e300311a e19030b3 e3130004 0a000003 e2800f42 e59f10fc e59f20f0
[ 66.980804] e2e8 ebff265b e2845d11 e1a00004 e3a01001 e2855004 eb001403 e1a00005 eb162a93
[ 66.988965] e308 e3a03000 e1a06000 e3a01002 e1a00004 e5843418 ebfffaca e1a00005 e1a01006
[ 66.997126]
[ 66.997128] R3: 0xf5b6b250:
[ 67.001378] b250 f5419bc0 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 67.009539] b270 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 67.017698] b290 00000000 00000000 00000000 00000000 c165b998 00000000 f5434200 00000001
[ 67.025855] b2b0 c7000000 00000000 c165b9fc 00000000 00000000 f5b6b2d0 00000000 00000000
[ 67.034015] b2d0 11161126 00000000 00000000 00000002 00080000 f6288028 00000000 00000000
[ 67.042177] b2f0 00000000 00000000 f5b6b000 000007d0 ce480c05 f5b6b304 f5b6b304 c03f88b8
[ 67.050336] b310 f602e1cc f602e1cc ffffa536 f602e000 c01b00a4 f5b6b300 ffffffff ffffffff
[ 67.058498] b330 00000000 00000000 00000000 00000000 00000000 00000001 0000000d 00000000
[ 67.066658]
[ 67.066660] R4: 0xf5422d0c:
[ 67.070982] 2d0c ffffffff f5422d10 f5422d10 c047bb08 c047bb50 00000000 00000000 00000000
[ 67.079071] 2d2c 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 67.087231] 2d4c 00000000 f5422d50 f5422d50 f5b6d000 f5435400 00000000 00000000 00000000
[ 67.095387] 2d6c 00000000 00000000 00000000 00000000 00000000 c03fc7f4 c4c37a58 00000000
[ 67.103546] 2d8c 00000000 f5422d90 f5422d90 c03fc638 00000000 00200200 ffffa4be c17a5880
[ 67.111706] 2dac c01b00a4 f5422d8c ffffffff ffffffff 00000000 00000000 00000000 00000000
[ 67.119867] 2dcc 00000000 f5b6b2d0 00001388 00000000 00000000 00000000 00000000 00000000
[ 67.128028] 2dec 00000000 00000000 00000000 00000000 00000000 f5401380 c4c4a504 f6121f40
[ 67.136188]
[ 67.136190] R5: 0xf6287fa8:
[ 67.140514] 7fa8 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.148599] 7fc8 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.156759] 7fe8 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa f6386e00 f612a3a8
[ 67.164922] 8008 c0481904 00000000 00000000 c03e1248 c03e11a0 00000000 c03de2a8 c03df418
[ 67.173080] 8028 00000438 00000780 00000000 00000000 00000018 00000008 00000000 00000000
[ 67.181237] 8048 000000ff 000000ff 00000000 00000000 33c11dc0 00000000 00000000 00000000
[ 67.189400] 8068 00000000 00000000 00000000 00000002 00000001 00000014 00000000 00000000
[ 67.197559] 8088 00000000 00000000 00000000 00000000 00000004 00000000 00000000 00000000
[ 67.205720]
[ 67.205723] R7: 0xf6288f80:
[ 67.209971] 8f80 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.218131] 8fa0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.226292] 8fc0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.234449] 8fe0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.242612] 9000 08e57817 0000000f f5419c00 00000000 00000001 00000001 f5419d40 f5b4bc10
[ 67.250770] 9020 00000001 0f9a0f9a dead4ead ffffffff ffffffff f6289034 f6289034 00000000
[ 67.258932] 9040 00000000 f6289020 00000000 00000000 00000000 00000000 f6289058 f6289058
[ 67.267091] 9060 f6289060 f6289060 f6289068 f6289068 00000000 00000000 00a00000 00870000
[ 67.275250]
[ 67.275252] R8: 0xf6287f90:
[ 67.279504] 7f90 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.287663] 7fb0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.295823] 7fd0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa
[ 67.303982] 7ff0 aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa f6386e00 f612a3a8 c0481904 00000000
[ 67.312141] 8010 00000000 c03e1248 c03e11a0 00000000 c03de2a8 c03df418 00000438 00000780
[ 67.320303] 8030 00000000 00000000 00000018 00000008 00000000 00000000 000000ff 000000ff
[ 67.328461] 8050 00000000 00000000 33c11dc0 00000000 00000000 00000000 00000000 00000000
[ 67.336621] 8070 00000000 00000002 00000001 00000014 00000000 00000000 00000000 00000000
[ 67.344782]
[ 67.344784] R9: 0xc03fc5b8:
[ 67.349033] c5b8 eb156fa3 ea000016 eb020a43 e2506000 1a000001 e3a04000 ea000011 e5d45000
[ 67.357195] c5d8 e3a02000 e3550000 03a05007 13a05008 e1a01005 ebfff2f6 e2504000 0afffff4
[ 67.365356] c5f8 e59f302c e3550008 e58d4000 e59f2024 e59f0024 e59f1014 01a02003 e5963004
[ 67.373514] c618 eb156f8b e1a00004 e8bd807c c0c9f63f c0a3ba78 c0cdf6f9 c0cc6736 c0c9f660
[ 67.381674] c638 e92d41f3 e1a04000 e59f1184 e59f0184 eb156f7f e354000c 059f017c 0a00001e
[ 67.389834] c658 e5943044 e5932118 e592506c e3550000 059f0168 0a000018 e5152008 e2458018
[ 67.397992] c678 e3520000 059f0158 0a000013 e5937288 e5976048 e59600d4 e3500000 0a000000
[ 67.406152] c698 eb15aa29 e2877020 e1a00007 eb15aa26 e5943044 e5d3139c e3510000 0a000009
[ 67.414314] Process kworker/0:0 (pid: 4, stack limit = 0xf606e2f0)
[ 67.420549] Stack: (0xf606ff48 to 0xf6070000)
[ 67.424820] ff40: f5422d8c f5422d8c f6021fc0 f5422d8c ce45c900 ce462c00
[ 67.433051] ff60: ce45ca18 c01af4a8 f6021fc0 00000001 00000000 f6021fc0 ce45ca18 f606e000
[ 67.441141] ff80: c16c5319 ce45c900 ce45ca18 f6021fd0 00000009 c01af858 00000000 f6059edc
[ 67.449373] ffa0: f6021fc0 c01af6d4 00000013 00000000 00000000 00000000 00000000 c01b3f34
[ 67.457532] ffc0: f6059edc 00000000 f6021fc0 00000000 00000000 dead4ead ffffffff ffffffff
[ 67.465691] ffe0: f606ffe0 f606ffe0 f6059edc c01b3eb4 c0106c24 c0106c24 00000000 00000000
[ 67.473824] [<c03fc68c>] (check_dsi_ctrl_status+0x54/0x1bc) from [<c01af4a8>] (process_one_work+0x200/0x400)
[ 67.483787] [<c01af4a8>] (process_one_work+0x200/0x400) from [<c01af858>] (worker_thread+0x184/0x2a4)
[ 67.492922] [<c01af858>] (worker_thread+0x184/0x2a4) from [<c01b3f34>] (kthread+0x80/0x90)
[ 67.501215] [<c01b3f34>] (kthread+0x80/0x90) from [<c0106c24>] (kernel_thread_exit+0x0/0x8)
[ 67.509510] Code: 059f0158 0a000013 e5937288 e5976048 (e59600d4)
[ 67.517435] ---[ end trace 39b994bb8aed4d14 ]---
[ 67.521491] Kernel panic - not syncing: Fatal exception
[ 67.526423] CPU3: stopping
[ 67.529207] [<c010c114>] (unwind_backtrace+0x0/0x11c) from [<c010af90>] (handle_IPI+0x118/0x200)
[ 67.538135] [<c010af90>] (handle_IPI+0x118/0x200) from [<c0100578>] (gic_handle_irq+0x100/0x10c)
[ 67.546916] [<c0100578>] (gic_handle_irq+0x100/0x10c) from [<c0969040>] (__irq_svc+0x40/0x70)
[ 67.555190] Exception stack(0xf4c8dd90 to 0xf4c8ddd8)
[ 67.560425] dd80: e4ceeda0 00000000 05480548 00000001
[ 67.568587] dda0: cdf0e0a8 00000000 e4ceeda0 00000000 ffffffff 0000000c 00000000 00000000
[ 67.576544] ddc0: f4c8c000 f4c8ddd8 c0968cf0 c0968cf4 60000013 ffffffff
[ 67.583365] [<c0969040>] (__irq_svc+0x40/0x70) from [<c0968cf4>] (_raw_spin_unlock_irq+0xc/0x34)
[ 67.592145] [<c0968cf4>] (_raw_spin_unlock_irq+0xc/0x34) from [<c0220e28>] (delete_from_page_cache+0x40/0x5c)
[ 67.602032] [<c0220e28>] (delete_from_page_cache+0x40/0x5c) from [<c022befc>] (truncate_inode_page+0xa4/0xb4)
[ 67.611933] [<c022befc>] (truncate_inode_page+0xa4/0xb4) from [<c0234110>] (shmem_truncate_range+0x130/0x3cc)
[ 67.621615] [<c0234110>] (shmem_truncate_range+0x130/0x3cc) from [<c023458c>] (shmem_evict_inode+0x98/0x13c)
[ 67.631628] [<c023458c>] (shmem_evict_inode+0x98/0x13c) from [<c0270d58>] (evict+0x8c/0x150)
[ 67.640047] [<c0270d58>] (evict+0x8c/0x150) from [<c026e46c>] (shrink_dcache_for_umount_subtree+0x108/0x13c)
[ 67.649862] [<c026e46c>] (shrink_dcache_for_umount_subtree+0x108/0x13c) from [<c026e7fc>] (shrink_dcache_for_umount+0x3c/0x4c)
[ 67.661234] [<c026e7fc>] (shrink_dcache_for_umount+0x3c/0x4c) from [<c025cff0>] (generic_shutdown_super+0x1c/0xbc)
[ 67.671554] [<c025cff0>] (generic_shutdown_super+0x1c/0xbc) from [<c025d100>] (kill_anon_super+0xc/0x18)
[ 67.681008] [<c025d100>] (kill_anon_super+0xc/0x18) from [<c025d228>] (deactivate_locked_super+0x3c/0x68)
[ 67.690562] [<c025d228>] (deactivate_locked_super+0x3c/0x68) from [<c0275424>] (sys_umount+0x318/0x330)
[ 67.699750] [<c0275424>] (sys_umount+0x318/0x330) from [<c0106120>] (ret_fast_syscall+0x0/0x30)
[ 69.718711] wcnss crash shutdown 0
[ 69.721174] Rebooting in 5 seconds..
[ 74.726167] Going down for restart now
[ 74.729760] Calling SCM to disable SPMI PMIC arbiter
7 Corrected bytes, 0 unrecoverable blocks