Comment 2 for bug 1177193

After rebase, system will random oops when reboot

[ 67.884667] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 67.886073] CPU2: shutdown
[ 67.886406] Unable to handle kernel NULL pointer dereference at virtual address 00000000
[ 67.886411] pgd = c0004000
[ 67.886426] Internal error: Oops: 80000005 [#1] SMP ARM
[ 67.886430] Modules linked in: dm_multipath dm_raid45 dm_mirror dm_region_hash dm_log
[ 67.886451] CPU: 2 Not tainted (3.5.0-1613-armadaxp #20)
[ 67.886457] PC is at 0x0
[ 67.886468] LR is at platform_cpu_die+0x24/0x6c
[ 67.886475] pc : [<00000000>] lr : [<c065dc70>] psr: 60000093
[ 67.886475] sp : ef063f90 ip : ef063fa8 fp : ef063fa4
[ 67.886478] r10: 00000000 r9 : 562f5842 r8 : 0000406a
[ 67.886482] r7 : c094778c r6 : c07ec731 r5 : c0947158 r4 : 00000002
[ 67.886486] r3 : 00000004 r2 : 00000005 r1 : e0ffe0f9 r0 : 00000000
[ 67.886491] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 67.886495] Control: 10c53c7d Table: 0000406a DAC: 00000015
[ 67.886500] Process swapper/2 (pid: 0, stack limit = 0xef0622f0)
[ 67.886504] Stack: (0xef063f90 to 0xef064000)
[ 67.886511] 3f80: ef062000 00000002 ef063fbc ef063fa8
[ 67.886520] 3fa0: c065dc28 c065dc58 ef062000 c0683fa8 ef063fd4 ef063fc0 c000ee04 c065dbfc
[ 67.886528] 3fc0: c0919db8 00000002 ef063ff4 ef063fd8 c066e10c c000edb4 c066dadc 2f05406a
[ 67.886536] 3fe0: 00000015 10c03c7d 00000000 ef063ff8 0066daf4 c066e010 fdebff5f fefe9afe
[ 67.886538] Backtrace:
[ 67.886551] [<c065dc4c>] (platform_cpu_die+0x0/0x6c) from [<c065dc28>] (cpu_die+0x38/0x5c)
[ 67.886554] r5:00000002 r4:ef062000
[ 67.886571] [<c065dbf0>] (cpu_die+0x0/0x5c) from [<c000ee04>] (cpu_idle+0x5c/0xe8)
[ 67.886574] r5:c0683fa8 r4:ef062000
[ 67.886590] [<c000eda8>] (cpu_idle+0x0/0xe8) from [<c066e10c>] (secondary_start_kernel+0x108/0x12c)
[ 67.886593] r5:00000002 r4:c0919db8
[ 67.886606] [<c066e004>] (secondary_start_kernel+0x0/0x12c) from [<0066daf4>] (0x66daf4)
[ 67.886608] r6:10c03c7d r5:00000015 r4:2f05406a r3:c066dadc
[ 67.886622] Code: bad PC value
[ 67.886629] ---[ end trace 6a5227bdcc6df208 ]---
[ 67.886635] Kernel panic - not syncing: Attempted to kill the idle task!
[ 67.886415] [00000000] *pgd=00000000
[ 68.084788] pgd = c0004000
[ 68.091083] [00000000] *pgd=00000000
[ 68.094681] Internal error: Oops: 80000005 [#2] SMP ARM
[ 68.099919] Modules linked in: dm_multipath dm_raid45 dm_mirror dm_region_hash dm_log
[ 68.107841] CPU: 1 Tainted: G D (3.5.0-1613-armadaxp #20)
[ 68.114472] PC is at 0x0
[ 68.117016] LR is at platform_cpu_die+0x24/0x6c
[ 68.121561] pc : [<00000000>] lr : [<c065dc70>] psr: 60000093
[ 68.121561] sp : ef05ff90 ip : ef05ffa8 fp : ef05ffa4
[ 68.133069] r10: 00000000 r9 : 562f5842 r8 : 0000406a
[ 68.138309] r7 : c094778c r6 : c07ec731 r5 : c0947158 r4 : 00000001
[ 68.144854] r3 : 00000004 r2 : 00000005 r1 : e0ffe0f9 r0 : 00000000
[ 68.151400] Flags: nZCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 68.158815] Control: 10c53c7d Table: 0000406a DAC: 00000015
[ 68.164577] Process swapper/1 (pid: 0, stack limit = 0xef05e2f0)
[ 68.170599] Stack: (0xef05ff90 to 0xef060000)
[ 68.174970] ff80: ef05e000 00000001 ef05ffbc ef05ffa8
[ 68.183173] ffa0: c065dc28 c065dc58 ef05e000 c0683fa8 ef05ffd4 ef05ffc0 c000ee04 c065dbfc
[ 68.191375] ffc0: c0919db8 00000001 ef05fff4 ef05ffd8 c066e10c c000edb4 c066dadc 2f05406a
[ 68.199578] ffe0: 00000015 10c03c7d 00000000 ef05fff8 0066daf4 c066e010 fffd8e7b fcaeffe7
[ 68.207774] Backtrace:
[ 68.210244] [<c065dc4c>] (platform_cpu_die+0x0/0x6c) from [<c065dc28>] (cpu_die+0x38/0x5c)
[ 68.218528] r5:00000001 r4:ef05e000
[ 68.222143] [<c065dbf0>] (cpu_die+0x0/0x5c) from [<c000ee04>] (cpu_idle+0x5c/0xe8)
[ 68.229732] r5:c0683fa8 r4:ef05e000
[ 68.233346] [<c000eda8>] (cpu_idle+0x0/0xe8) from [<c066e10c>] (secondary_start_kernel+0x108/0x12c)
[ 68.242413] r5:00000001 r4:c0919db8
[ 68.246025] [<c066e004>] (secondary_start_kernel+0x0/0x12c) from [<0066daf4>] (0x66daf4)
[ 68.254137] r6:10c03c7d r5:00000015 r4:2f05406a r3:c066dadc
[ 68.259859] Code: bad PC value
[ 68.262924] ---[ end trace 6a5227bdcc6df209 ]---