kernel移植报错

移植linux4.14.3+busybox1.20.0这是我的帖子，楼主可以参考一下

内存错误
yaffs的支持估计有Bug

我的还是楼主的，怎么讲

以下是具体的错误信息，使用的是imx6ul的核心板

8021q: 802.1Q VLAN Support v1.8
Key type dns_resolver registered
u*** 1-1: new high-speed USB device number 2 using ci_hdrc
Unable to handle kernel NULL pointer dereference at virtual address 00000008
pgd = 80004000
[00000008] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.4 #1
Hardware name: Freescale i.MX6 Ultralite (Device Tree)
task: 8c044000 task.stack: 8c048000
PC is at imx_gpc_mask_all+0x1c/0x38
LR is at imx6_enable_rbc+0x14/0x78
pc : [<80119ca0>]    lr : [<8011b284>]    psr: 20000013
sp : 8c049ec0  ip : ffffffff  fp : 00000000
r10: 80c5583c  r9 : 0000010f  r8 : 80d50000
r7 : 80d50000  r6 : 00000000  r5 : 80d50588  r4 : 00000000
r3 : 00000008  r2 : 80d50560  r1 : 80d50570  r0 : 00000000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 10c5387d  Table: 8000406a  DAC: 00000051
Process swapper/0 (pid: 1, stack limit = 0x8c048210)
Stack: (0x8c049ec0 to 0x8c04a000)
9ec0: 80c6475c 80c0362c 00000000 80c09c3c 80c6475c 80c0a7dc 8c78ba00 80c49f04
9ee0: 8c78ba80 80d50000 80d50000 0000010f 80c5583c 80c49f70 1f030000 00000002
9f00: 00000000 00000000 80c64758 80c0364c 80c6475c 80101a30 00000000 8fde3a14
9f20: 8fde3a15 80c00600 0000010f 80b88b60 0000010f 80139738 80aa7278 00000000
9f40: 00000007 00000007 8fde39f7 8fde3a15 00000000 8fde3940 00000007 80c55834
9f60: 80c6475c 00000007 80c55838 80d50000 0000010f 80c00dc4 00000007 00000007
9f80: 00000000 80c005a0 00000000 808787b8 00000000 00000000 00000000 00000000
9fa0: 00000000 808787c0 00000000 80107b30 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[<80119ca0>] (imx_gpc_mask_all) from [<8011b284>] (imx6_enable_rbc+0x14/0x78)
[<8011b284>] (imx6_enable_rbc) from [<80c09c3c>] (imx6sx_cpuidle_init+0x14/0x40)
[<80c09c3c>] (imx6sx_cpuidle_init) from [<80c0a7dc>] (imx6ul_init_late+0xc/0x40)
[<80c0a7dc>] (imx6ul_init_late) from [<80c0364c>] (init_machine_late+0x20/0x98)
[<80c0364c>] (init_machine_late) from [<80101a30>] (do_one_initcall+0x40/0x16c)
[<80101a30>] (do_one_initcall) from [<80c00dc4>] (kernel_init_freeable+0x144/0x1e0)
[<80c00dc4>] (kernel_init_freeable) from [<808787c0>] (kernel_init+0x8/0x110)
[<808787c0>] (kernel_init) from [<80107b30>] (ret_from_fork+0x14/0x24)
Code: e5913010 e2812014 e2811024 e2833008 (e5930000)
---[ end trace 3efe19e5aaff8df8 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected

以下是具体的错误信息，使用的是imx6ul的核心板

8021q: 802.1Q VLAN Support v1.8
Key type dns_resolver registered
u*** 1-1: new high-speed USB device number 2 using ci_hdrc
Unable to handle kernel NULL pointer dereference at virtual address 00000008
pgd = 80004000
[00000008] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.4 #1
Hardware name: Freescale i.MX6 Ultralite (Device Tree)
task: 8c044000 task.stack: 8c048000
PC is at imx_gpc_mask_all+0x1c/0x38
LR is at imx6_enable_rbc+0x14/0x78
pc : [<80119ca0>]    lr : [<8011b284>]    psr: 20000013
sp : 8c049ec0  ip : ffffffff  fp : 00000000
r10: 80c5583c  r9 : 0000010f  r8 : 80d50000
r7 : 80d50000  r6 : 00000000  r5 : 80d50588  r4 : 00000000
r3 : 00000008  r2 : 80d50560  r1 : 80d50570  r0 : 00000000
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 10c5387d  Table: 8000406a  DAC: 00000051
Process swapper/0 (pid: 1, stack limit = 0x8c048210)
Stack: (0x8c049ec0 to 0x8c04a000)
9ec0: 80c6475c 80c0362c 00000000 80c09c3c 80c6475c 80c0a7dc 8c78ba00 80c49f04
9ee0: 8c78ba80 80d50000 80d50000 0000010f 80c5583c 80c49f70 1f030000 00000002
9f00: 00000000 00000000 80c64758 80c0364c 80c6475c 80101a30 00000000 8fde3a14
9f20: 8fde3a15 80c00600 0000010f 80b88b60 0000010f 80139738 80aa7278 00000000
9f40: 00000007 00000007 8fde39f7 8fde3a15 00000000 8fde3940 00000007 80c55834
9f60: 80c6475c 00000007 80c55838 80d50000 0000010f 80c00dc4 00000007 00000007
9f80: 00000000 80c005a0 00000000 808787b8 00000000 00000000 00000000 00000000
9fa0: 00000000 808787c0 00000000 80107b30 00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 ffffffff ffffffff
[<80119ca0>] (imx_gpc_mask_all) from [<8011b284>] (imx6_enable_rbc+0x14/0x78)
[<8011b284>] (imx6_enable_rbc) from [<80c09c3c>] (imx6sx_cpuidle_init+0x14/0x40)
[<80c09c3c>] (imx6sx_cpuidle_init) from [<80c0a7dc>] (imx6ul_init_late+0xc/0x40)
[<80c0a7dc>] (imx6ul_init_late) from [<80c0364c>] (init_machine_late+0x20/0x98)
[<80c0364c>] (init_machine_late) from [<80101a30>] (do_one_initcall+0x40/0x16c)
[<80101a30>] (do_one_initcall) from [<80c00dc4>] (kernel_init_freeable+0x144/0x1e0)
[<80c00dc4>] (kernel_init_freeable) from [<808787c0>] (kernel_init+0x8/0x110)
[<808787c0>] (kernel_init) from [<80107b30>] (ret_from_fork+0x14/0x24)
Code: e5913010 e2812014 e2811024 e2833008 (e5930000)
---[ end trace 3efe19e5aaff8df8 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

hub 1-1:1.0: USB hub found
hub 1-1:1.0: 4 ports detected

不太清楚，imx6ul 官方已经有了4.1.15的支持

是的，yocto确实可以直接移植官方的，但是对应的版本就是那么几个，而且对应的Qt也就是官方一对一的版本，移植的灵活性不如以往的好。还是传统的移植方式自由度大些。