im6ull NAND烧录问题

yanghappyfrog

使用imx6ull+nand方案做了一批核心板，在使用sd卡往nand里面烧录系统时，有30%概率出现oops，部分报错信息如下：
./usr/local/linux_armv6_vfp_hflt/compact3/lib/ext/
./usr/local/linux_armv6_vfp_hflt/compact3/lib/ext/localedata.jar
[   82.016340] Unable to handle kernel paging request at virtual address a01e7ecc
[   82.023585] pgd = 8a170000
[   82.026299] [a01e7ecc] *pgd=00000000
[   82.029903] Internal error: Oops: 80000005 [#1] PREEMPT SMP ARM
[   82.035828] Modules linked in:
[   82.038907] CPU: 0 PID: 6 Comm: kworker/u2:0 Not tainted 4.1.15+ #89
[   82.045266] Hardware name: Freescale i.MX6 Ultralite (Device Tree)
[   82.051465] Workqueue: writeback bdi_writeback_workfn (flush-ubifs_0_0)
[   82.058116] task: 8c0517c0 ti: 8c06c000 task.ti: 8c06c000
[   82.063524] PC is at 0xa01e7ecc
[   82.066676] LR is at ubifs_compress+0x68/0x100
[   82.071128] pc : [<a01e7ecc>]    lr : [<80231db0>]    psr: 60070013
[   82.071128] sp : 8c06dbf0  ip : 00002000  fp : a01e7ecc
[   82.082610] r10: 822b0000  r9 : 8096ab6c  r8 : 8da09000
[   82.087843] r7 : 873c0030  r6 : 8c06dc40  r5 : 8c06dc3c  r4 : 00001000
[   82.094376] r3 : 873c0030  r2 : 00001000  r1 : 8da09000  r0 : 854bac00
[   82.100911] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
[   82.108228] Control: 10c53c7d  Table: 8a17006a  DAC: 00000015
[   82.113979] Process kworker/u2:0 (pid: 6, stack limit = 0x8c06c210)
[   82.120252] Stack: (0x8c06dbf0 to 0x8c06e000)
[   82.124618] dbe0:                                     8c06dc40 00000000 8fede800 822b0000
[   82.132804] dc00: 00001000 873c0000 00001000 822b0000 8c06dc40 8c06dca8 00000001 89693a50
[   82.140991] dc20: 8da09000 80214ec8 8c06dc40 8c06dc3c 8095224c 8094e6c3 8094e684 00000001
[   82.149177] dc40: 00002000 6164202c 202c6174 00293038 60070013 89693b34 89693b24 00000000
[   82.157364] dc60: 00000000 800c6864 8ffab120 800b7e20 00000008 822b0000 8ffab120 00001000
[   82.165550] dc80: 89693a50 20000050 00000328 8da09000 8ffab120 80216b78 00001000 00000000
[   82.173737] dca0: 89693bd0 8ffab120 00000328 20000050 89693a50 80218150 8ffab120 00000000
[   82.181923] dcc0: 60070013 0000000a 0000000a 89693b24 0000000e ffffffff 89693b24 00000050
[   82.190110] dce0: 8c06ddf0 800b7c60 0000000a 8c06dd58 0000000e 800b835c 0000000e 8a198f00
[   82.198295] dd00: 35383728 00000000 800b7c4c 89693b24 00000000 00000001 00000000 00000000
[   82.206482] dd20: 8fe3cca0 00000054 0000000e 00000000 8ffaab60 8ffaab80 8ffaaba0 8ffaabc0
[   82.214668] dd40: 8ffaabe0 8ffaac00 8ffaac20 8ffaac40 8ffab160 8ffab140 8ffab120 8ffab100
[   82.222855] dd60: 8ffab0e0 8ffab0c0 8c06dd90 89693b24 8c06ddf0 89693a50 8c06ddf0 89693b24
[   82.231041] dd80: 80950100 00000013 8c06debc 800b8558 8c06dd90 8c06dd90 8c06dd98 8c06dd98
[   82.239228] dda0: 8c06dda0 8c06dda0 00000001 89693a50 89693ae8 8011007c 822b0100 89693ae8
[   82.247414] ddc0: 89693a50 822b0144 822bec00 80950100 00000013 80110474 8d2cd7c0 822b015c
[   82.255601] dde0: ffffaace 809f3830 89693aa0 00000800 000007b0 00000000 00000000 00000000
[   82.263788] de00: ffffffff 7fffffff 00000000 00000012 00000000 822b0100 822bec00 89691ca0
[   82.271975] de20: 00000000 8c06debc 822b0144 80950100 ffffaad8 8011066c 89cb0ae8 822b0100
[   82.280163] de40: 8c06debc 00000000 00000075 822b0144 ffffa480 80950100 80966350 801108d4
[   82.288350] de60: 00000000 00000000 ffffa480 8c03b000 822b015c 7fffffff 822b0008 ffffaace
[   82.296537] de80: 822b0008 ffffa3b7 822b0160 822b0008 822b0164 822b0100 822b0108 822b0008
[   82.304725] dea0: 822b014c 80110dc8 00000000 822b0164 80966354 80950100 ffffffff 7fffd7ec
[   82.312911] dec0: 00000000 8c06de7c 00000000 0000000c 00000000 00000000 00000000 00000000
[   82.321099] dee0: 8095b7b0 822b0108 8c031300 8c03b000 8c145400 00000000 00000000 8c031300
[   82.329286] df00: 8c03b000 8004885c 8c06c000 8c03b000 8c03b014 8c03b000 8c031318 8c03b014
[   82.337474] df20: 8c06c000 00000088 809a8c75 8c031300 8c03b000 80048b74 80950100 8c03b164
[   82.345659] df40: 8c031300 00000000 8c01eac0 8c031300 80048b28 00000000 00000000 00000000
[   82.353847] df60: 00000000 8004dab0 e0e7d6fb 00000000 fbde3fdf 8c031300 00000000 00000000
[   82.362034] df80: 8c06df80 8c06df80 00000000 00000000 8c06df90 8c06df90 8c06dfac 8c01eac0
[   82.370221] dfa0: 8004d9d4 00000000 00000000 8000f528 00000000 00000000 00000000 00000000
[   82.378407] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   82.386594] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 dbfe17e2 d67d56f5
[   82.394796] [<80231db0>] (ubifs_compress) from [<80214ec8>] (ubifs_jnl_write_data+0xc4/0x280)
[   82.403335] [<80214ec8>] (ubifs_jnl_write_data) from [<80216b78>] (do_writepage+0x78/0x218)
[   82.411701] [<80216b78>] (do_writepage) from [<800b7c60>] (__writepage+0x14/0x40)
[   82.419201] [<800b7c60>] (__writepage) from [<800b835c>] (write_cache_pages+0x1c0/0x37c)
[   82.427305] [<800b835c>] (write_cache_pages) from [<800b8558>] (generic_writepages+0x40/0x60)
[   82.435845] [<800b8558>] (generic_writepages) from [<8011007c>] (__writeback_single_inode+0x28/0x180)
[   82.445080] [<8011007c>] (__writeback_single_inode) from [<80110474>] (writeback_sb_inodes+0x1e0/0x364)
[   82.454484] [<80110474>] (writeback_sb_inodes) from [<8011066c>] (__writeback_inodes_wb+0x74/0xac)
[   82.463456] [<8011066c>] (__writeback_inodes_wb) from [<801108d4>] (wb_writeback+0x1b0/0x1b8)
[   82.471993] [<801108d4>] (wb_writeback) from [<80110dc8>] (bdi_writeback_workfn+0x14c/0x2fc)
[   82.480448] [<80110dc8>] (bdi_writeback_workfn) from [<8004885c>] (process_one_work+0x118/0x3e4)
[   82.489247] [<8004885c>] (process_one_work) from [<80048b74>] (worker_thread+0x4c/0x4f4)
[   82.497351] [<80048b74>] (worker_thread) from [<8004dab0>] (kthread+0xdc/0xf4)
[   82.504588] [<8004dab0>] (kthread) from [<8000f528>] (ret_from_fork+0x14/0x2c)
[   82.511819] Code: bad PC value
[   82.514885] ---[ end trace 1bd9aae6bbdb8165 ]---
[   82.527689] Unable to handle kernel paging request at virtual address ffffffec
[   82.534936] pgd = 80004000
[   82.537650] [ffffffec] *pgd=8fffd821, *pte=00000000, *ppte=00000000
[   82.543972] Internal error: Oops: 17 [#2] PREEMPT SMP ARM
[   82.549376] Modules linked in:
[   82.552456] CPU: 0 PID: 6 Comm: kworker/u2:0 Tainted: G      D         4.1.15+ #89
[   82.560029] Hardware name: Freescale i.MX6 Ultralite (Device Tree)
[   82.566222] task: 8c0517c0 ti: 8c06c000 task.ti: 8c06c000
[   82.571637] PC is at kthread_data+0x4/0xc
[   82.575658] LR is at wq_worker_sleeping+0xc/0xd0
[   82.580286] pc : [<8004de60>]    lr : [<80049824>]    psr: 00070093
[   82.580286] sp : 8c06d9e8  ip : 00000000  fp : 8c06da24
[   82.591768] r10: a01e7ec4  r9 : 00000000  r8 : 8c051a6c
[   82.596999] r7 : 80952300  r6 : 8c0517c0  r5 : 8fdd6a00  r4 : 00000000
[   82.603532] r3 : 00000000  r2 : 00000000  r1 : 00000000  r0 : 8c0517c0
[   82.610067] Flags: nzcv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment user
[   82.617296] Control: 10c53c7d  Table: 88f7006a  DAC: 00000015
[   82.623047] Process kworker/u2:0 (pid: 6, stack limit = 0x8c06c210)
[   82.629319] Stack: (0x8c06d9e8 to 0x8c06e000)
[   82.633686] d9e0:                   8094ba00 8fdd6a00 8c0517c0 80676b88 80952300 8ffa1280
[   82.641872] da00: 80036bc8 8c06c000 8c06c000 8c06d7fc 8c050000 00000000 8c06da40 8c0519e8
[   82.650059] da20: 8c06da34 80676d5c 8c0517c0 8c06d7fc 807f4a58 80036c3c 8095c8a4 60070193
[   82.658245] da40: 8c06da40 8c06da40 fffffffc 0000000b 807f4a58 80012940 8c06c210 0000000b
[   82.666432] da60: 00000000 00000000 00000008 807f4a60 62000000 50206461 61762043 0065756c
[   82.674619] da80: 8c06dba8 80000005 820d5380 8c06dba8 8096ab6c 822b0000 a01e7ecc 8006c678
[   82.682806] daa0: 8085bd90 8c06dac4 a01e7ecc a01e7ecc 8c06dba8 80000005 820d5380 8c06dba8
[   82.690993] dac0: 8096ab6c 822b0000 a01e7ecc 80672790 820d5380 8001c280 8c06db76 8094e684
[   82.699180] dae0: 000000fc 00000500 80006800 80004000 a01e7ecc 8001c2fc 8095cd44 00000005
[   82.707367] db00: 8001c290 80009338 00000141 000013bf 40070013 00000002 8c06dbe0 fffffffc
[   82.715554] db20: 00000000 286bca1b 8c06dca8 00024250 00000141 809a8bc4 00000100 00000000
[   82.723741] db40: 00000000 8c06dc70 8c06db78 8081d10c 00000000 00000002 809a8bc4 809a8d19
[   82.731928] db60: 00000050 00004250 00000002 8095228c 00000141 8c06dca8 00000328 89693a50
[   82.740115] db80: 8da09000 800b6668 00000147 802bb718 a01e7ecc 60070013 ffffffff 8c06dbdc
[   82.748302] dba0: 8da09000 80013318 854bac00 8da09000 00001000 873c0030 00001000 8c06dc3c
[   82.756489] dbc0: 8c06dc40 873c0030 8da09000 8096ab6c 822b0000 a01e7ecc 00002000 8c06dbf0
[   82.764676] dbe0: 80231db0 a01e7ecc 60070013 ffffffff 8c06dc40 00000000 8fede800 822b0000
[   82.772862] dc00: 00001000 873c0000 00001000 822b0000 8c06dc40 8c06dca8 00000001 89693a50
[   82.781049] dc20: 8da09000 80214ec8 8c06dc40 8c06dc3c 8095224c 8094e6c3 8094e684 00000001
[   82.789236] dc40: 00002000 6164202c 202c6174 00293038 60070013 89693b34 89693b24 00000000
[   82.797423] dc60: 00000000 800c6864 8ffab120 800b7e20 00000008 822b0000 8ffab120 00001000
[   82.805610] dc80: 89693a50 20000050 00000328 8da09000 8ffab120 80216b78 00001000 00000000
[   82.813797] dca0: 89693bd0 8ffab120 00000328 20000050 89693a50 80218150 8ffab120 00000000
[   82.821984] dcc0: 60070013 0000000a 0000000a 89693b24 0000000e ffffffff 89693b24 00000050
[   82.830170] dce0: 8c06ddf0 800b7c60 0000000a 8c06dd58 0000000e 800b835c 0000000e 8a198f00
[   82.838357] dd00: 35383728 00000000 800b7c4c 89693b24 00000000 00000001 00000000 00000000
[   82.846544] dd20: 8fe3cca0 00000054 0000000e 00000000 8ffaab60 8ffaab80 8ffaaba0 8ffaabc0
[   82.854731] dd40: 8ffaabe0 8ffaac00 8ffaac20 8ffaac40 8ffab160 8ffab140 8ffab120 8ffab100
[   82.862918] dd60: 8ffab0e0 8ffab0c0 8c06dd90 89693b24 8c06ddf0 89693a50 8c06ddf0 89693b24
[   82.871103] dd80: 80950100 00000013 8c06debc 800b8558 8c06dd90 8c06dd90 8c06dd98 8c06dd98
[   82.879290] dda0: 8c06dda0 8c06dda0 00000001 89693a50 89693ae8 8011007c 822b0100 89693ae8
[   82.887478] ddc0: 89693a50 822b0144 822bec00 80950100 00000013 80110474 8d2cd7c0 822b015c
[   82.895665] dde0: ffffaace 809f3830 89693aa0 00000800 000007b0 00000000 00000000 00000000
[   82.903852] de00: ffffffff 7fffffff 00000000 00000012 00000000 822b0100 822bec00 89691ca0
[   82.912039] de20: 00000000 8c06debc 822b0144 80950100 ffffaad8 8011066c 89cb0ae8 822b0100
[   82.920226] de40: 8c06debc 00000000 00000075 822b0144 ffffa480 80950100 80966350 801108d4
[   82.928413] de60: 00000000 00000000 ffffa480 8c03b000 822b015c 7fffffff 822b0008 ffffaace
[   82.936599] de80: 822b0008 ffffa3b7 822b0160 822b0008 822b0164 822b0100 822b0108 822b0008
[   82.944787] dea0: 822b014c 80110dc8 00000000 822b0164 80966354 80950100 ffffffff 7fffd7ec
[   82.952972] dec0: 00000000 8c06de7c 00000000 0000000c 00000000 00000000 00000000 00000000
[   82.961159] dee0: 8095b7b0 822b0108 8c031300 8c03b000 8c145400 00000000 00000000 8c031300
[   82.969347] df00: 8c03b000 8004885c 8c06c000 8c03b000 8c03b014 8c03b000 8c031318 8c03b014
[   82.977533] df20: 8c06c000 00000088 809a8c75 8c031300 8c03b000 80048b74 80950100 8c03b164
[   82.985720] df40: 8c031300 00000000 8c01eac0 8c031300 80048b28 00000000 00000000 00000000
[   82.993907] df60: 00000000 8004dab0 e0e7d6fb 00000000 fbde3fdf 8c031300 00000000 00000000
[   83.002094] df80: 8c06df80 8c06df80 00000001 00010001 8c06df90 8c06df90 8c06dfac 8c01eac0
[   83.010280] dfa0: 8004d9d4 00000000 00000000 8000f528 00000000 00000000 00000000 00000000
[   83.018466] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   83.026653] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 dbfe17e2 d67d56f5
[   83.034852] [<8004de60>] (kthread_data) from [<80049824>] (wq_worker_sleeping+0xc/0xd0)
[   83.042876] [<80049824>] (wq_worker_sleeping) from [<80676b88>] (__schedule+0x378/0x50c)
[   83.050980] [<80676b88>] (__schedule) from [<80676d5c>] (schedule+0x40/0x98)
[   83.058042] [<80676d5c>] (schedule) from [<80036c3c>] (do_exit+0x674/0x9ac)
[   83.065018] [<80036c3c>] (do_exit) from [<80012940>] (die+0x22c/0x3fc)
[   83.071561] [<80012940>] (die) from [<80672790>] (__do_kernel_fault.part.0+0x64/0x74)
[   83.079405] [<80672790>] (__do_kernel_fault.part.0) from [<8001c280>] (do_sect_fault+0x0/0x10)
[   83.088034] [<8001c280>] (do_sect_fault) from [<8094e684>] (init_thread_union+0x684/0x2000)
[   83.096396] Code: e513001c e7e00150 e12fff1e e5903280 (e5130014)
[   83.102499] ---[ end trace 1bd9aae6bbdb8166 ]---
[   83.107123] Fixing recursive fault but reboot is needed!


看起来是由于一个空指针引起，但每次报错的信息不一样，每块核心板报错的信息也不一样。
目前一共测试了100块，有70块左右能正常烧录并启动，30块左右会出现这样的情况。
这可能是哪里引起的问题？
请大神不吝赐教，感谢！

我知道答案 目前已有1人回答

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小智MM

你这70块正常烧写启动的话，说明你软件和硬件都是OK的，出现问题的话有可能是焊接和硬件的问题，建议你先查一下硬件。