used lasted image but rebooting always:
[ 6.438222] [<c090f3e8>] (secondary_start_kernel+0x10c/0x130) from [<4090e9d4 >] (0x4090e9d4)
[ 6.438219] CPU6: stopping
[ 6.438219] [<c0017f9c>] (unwind_backtrace+0x0/0x128) from [<c09123ec>] (dump _stack+0x20/0x24)
[ 6.438219] [<c09123ec>] (dump_stack+0x20/0x24) from [<c0016410>] (handle_IPI +0x17c/0x308)
[ 6.438219] [<c0016410>] (handle_IPI+0x17c/0x308) from [<c000a3d4>] (gic_hand le_irq+0xa4/0xb4)
[ 6.438219] [<c000a3d4>] (gic_handle_irq+0xa4/0xb4) from [<c00103c4>] (__irq_ svc+0x44/0x78)
[ 6.438219] Exception stack(0xe693df68 to 0xe693dfb0)
[ 6.438219] df60: 00000003 c0ddf1a0 00000000 00000000 e693c 000 c0f20908
[ 6.438219] df80: c0923724 c0de4010 4000406a 410fc075 00000000 e693dfbc e693d fb0 e693dfb0
[ 6.438219] dfa0: c0011588 c001158c 60000013 ffffffff
[ 6.438219] [<c00103c4>] (__irq_svc+0x44/0x78) from [<c001158c>] (default_idl e+0x38/0x40)
[ 6.438219] [<c001158c>] (default_idle+0x38/0x40) from [<c00119bc>] (cpu_idle +0xac/0x108)
[ 7.508601] SMP: failed to stop secondary CPUs
[ 6.438219] [<c00119bc>] (cpu_idle+0xac/0x108) from [<c090f3e8>] (secondary_s tart_kernel+0x10c/0x130)
[ 6.438219] [<c090f3e8>] (secondary_start_kernel+0x10c/0x130) from [<4090e9d4 >] (0x4090e9d4)
[ 6.438221] CPU4: stopping
[ 6.438221] [<c0017f9c>] (unwind_backtrace+0x0/0x128) from [<c09123ec>] (dump _stack+0x20/0x24)
[ 6.438221] [<c09123ec>] (dump_stack+0x20/0x24) from [<c0016410>] (handle_IPI +0x17c/0x308)
[ 6.438221] [<c0016410>] (handle_IPI+0x17c/0x308) from [<c000a3d4>] (gic_hand le_irq+0xa4/0xb4)
[ 6.438221] [<c000a3d4>] (gic_handle_irq+0xa4/0xb4) from [<c00103c4>] (__irq_ svc+0x44/0x78)
[ 6.438221] Exception stack(0xe692bf68 to 0xe692bfb0)
[ 6.438221] bf60: 0000000f c0ddf1a0 00000000 00000000 e692a 000 c0f20908
[ 6.438221] bf80: c0923724 c0de4010 4000406a 410fc075 00000000 e692bfbc e692b fb0 e692bfb0
[ 6.438221] bfa0: c0011588 c001158c 60000113 ffffffff
[ 6.438221] [<c00103c4>] (__irq_svc+0x44/0x78) from [<c001158c>] (default_idl e+0x38/0x40)
[ 6.438221] [<c001158c>] (default_idle+0x38/0x40) from [<c00119bc>] (cpu_idle +0xac/0x108)
[ 6.438221] [<c00119bc>] (cpu_idle+0xac/0x108) from [<c090f3e8>] (secondary_s tart_kernel+0x10c/0x130)
[ 6.438221] [<c090f3e8>] (secondary_start_kernel+0x10c/0x130) from [<4090e9d4 >] (0x4090e9d4)
[ 6.438217] CPU7: stopping
[ 6.438217] [<c0017f9c>] (unwind_backtrace+0x0/0x128) from [<c09123ec>] (dump _stack+0x20/0x24)
[ 6.438217] [<c09123ec>] (dump_stack+0x20/0x24) from [<c0016410>] (handle_IPI +0x17c/0x308)
[ 6.438217] [<c0016410>] (handle_IPI+0x17c/0x308) from [<c000a3d4>] (gic_hand le_irq+0xa4/0xb4)
[ 6.438217] [<c000a3d4>] (gic_handle_irq+0xa4/0xb4) from [<c00103c4>] (__irq_ svc+0x44/0x78)
[ 6.438217] Exception stack(0xe6965f68 to 0xe6965fb0)
[ 6.438217] 5f60: 00000001 c0ddf1a0 00000000 00000000 e6964 000 c0f20908
[ 6.438217] 5f80: c0923724 c0de4010 4000406a 410fc075 00000000 e6965fbc e6965 fb0 e6965fb0
[ 6.438217] 5fa0: c0011588 c001158c 60000113 ffffffff
[ 6.438217] [<c00103c4>] (__irq_svc+0x44/0x78) from [<c001158c>] (default_idl e+0x38/0x40)
[ 6.438217] [<c001158c>] (default_idle+0x38/0x40) from [<c00119bc>] (cpu_idle +0xac/0x108)
[ 6.438217] [<c00119bc>] (cpu_idle+0xac/0x108) from [<c090f3e8>] (secondary_s tart_kernel+0x10c/0x130)
[ 6.438217] [<c090f3e8>] (secondary_start_kernel+0x10c/0x130) from [<4090e9d4 >] (0x4090e9d4)
[ 8.508682] sun8i hotplug: try to kill cpu:1 failed!
[ 9.520402] sun8i hotplug: try to kill cpu:2 failed!
[ 10.531985] sun8i hotplug: try to kill cpu:3 failed!
[ 11.543440] sun8i hotplug: try to kill cpu:4 failed!
[ 12.554760] sun8i hotplug: try to kill cpu:5 failed!
[ 13.565946] sun8i hotplug: try to kill cpu:6 failed!
[ 14.577001] sun8i hotplug: try to kill cpu:7 failed!
[ 14.587915] Rebooting in 10 seconds..