linux 3.2.0 ubi文件系统运行中的故障
hi飞凌技术支持 我们使用FET335XD-V3.0 linux3.2.0 console ubi系统运行中报错如下打印，但是文件系统没有彻底死掉，请协助分析一下故障原因。故障打印如下：
[ 27.037510] elm_decode_bch_error 113
[ 27.041366] reg_val 101
[ 27.043955] elm_decode_bch_error 148
[ 27.047690] fix errro bit_pos 0 byte_pos 261
[ 27.136336] elm_decode_bch_error 113
[ 27.140564] reg_val 101
[ 27.143143] elm_decode_bch_error 148
[ 27.146873] fix errro bit_pos 0 byte_pos 261
[ 27.234913] elm_decode_bch_error 113
[ 27.238966] reg_val 101
[ 27.241516] elm_decode_bch_error 148
[ 27.245262] fix errro bit_pos 0 byte_pos 261
[ 27.333269] elm_decode_bch_error 113
[ 27.337287] reg_val 101
[ 27.339836] elm_decode_bch_error 148
[ 27.343578] fix errro bit_pos 0 byte_pos 261
[ 27.348039] UBI error: ubi_io_read: error 1 while reading 253952 bytes from PEB 374:8192, read 253952 bytes
[ 27.358217] UBIFS error (pid 1410): ubifs_leb_read: reading 253952 bytes from LEB 991:0 failed, error 1
[ 27.368030] UBIFS error (pid 1410): ubifs_start_scan: cannot read 253952 bytes from LEB 991:0, error 1
[ 27.377912] Unable to handle kernel NULL pointer dereference at virtual address 0000000d
[ 27.386376] pgd = de1b0000
[ 27.389195] *pgd=9e525831, *pte=00000000, *ppte=00000000
[ 27.395759] Internal error: Oops: 17 [#1]
[ 27.399938] Modules linked in:
[ 27.403127] CPU: 0 Not tainted(3.2.0 #1)
[ 27.407685] PC is at ubifs_add_snod+0xd8/0x100
[ 27.412318] LR is at ubifs_add_snod+0x2c/0x100
[ 27.416952] pc : [<c017af18>] lr : [<c017ae6c>] psr: 80000013
[ 27.416959] sp : de25fb68ip : 00000000fp : de25fb8c
[ 27.428928] r10: 00000000r9 : 00000001r8 : 00000078
[ 27.434375] r7 : 00000000r6 : 00000000r5 : e0ccd000r4 : 00000001
[ 27.441181] r3 : de08ac80r2 : 2000004ar1 : 00000009r0 : 00000000
[ 27.447990] Flags: NzcvIRQs onFIQs onMode SVC_32ISA ARMSegment user
[ 27.455430] Control: 10c5387dTable: 9e1b0019DAC: 00000015
[ 27.461419]
[ 27.461422] PC: 0xc017ae98:
[ 27.465871] ae98e5d5100f e1800808 e1822807 e1800c0c e5830010 e1822c01 e5832014 e5d52014
[ 27.474433] aeb8e583601c e5832018 e5d5c011 e5d50012 e5d52010 e5d51013 e182240c e5835024
[ 27.482993] aed8e1822800 e3a00000 e1822c01 e5832020 e5d52014 e3520003 830b2eaf 83a01004
[ 27.491553] aef895952018 834d2ead 8583100c e2841008 85832008 95832008 9595201c 9583200c
[ 27.500113] af18e594200c e584300c e8830006 e5823000 e5943004 e2833001 e5843004 e89da9f8
[ 27.508673] af38e3e0000b e89da9f8 e1a0c00d e92dd870 e24cb004 e24dd014 e1a0e00d e1a06000
[ 27.517233] af58e3cecd7f e30808a8 e3ccc03f e1a04002 e1a05003 e59f2060 e59cc00c e1a03001
[ 27.525794] af78e34c0060 e59c10cc e58d4000 eb0d9e1a e59635bc e3060e74 e3041240 e34c005f
[ 27.534356]
[ 27.534359] LR: 0xc017adec:
[ 27.538807] adece34c0060 e591100c e58d8000 e98d0060 e59110cc eb0d9e7b e1a00004 ebfca8d3
[ 27.547367] ae0ce1a04006 eaffffeb c04f98e4 e1a0c00d e92dd800 e24cb004 e59025ac e2420001
[ 27.555927] ae2ce2622000 e0800003 e0002002 e5812010 e89da800 e1a0c00d e92dd9f8 e24cb004
[ 27.564488] ae4ce30c09e8 e1a04001 e34c0070 e3a01050 e1a06003 e1a05002 e590000c ebfcabed
[ 27.573047] ae6ce2503000 0a000030 e5d5c009 e5d5100d e5d50008 e5d5200c e5d5800a e180040c
[ 27.581608] ae8ce5d5700e e1822401 e5d5c00b e5d5100f e1800808 e1822807 e1800c0c e5830010
[ 27.590169] aeace1822c01 e5832014 e5d52014 e583601c e5832018 e5d5c011 e5d50012 e5d52010
[ 27.598729] aecce5d51013 e182240c e5835024 e1822800 e3a00000 e1822c01 e5832020 e5d52014
[ 27.607291]
[ 27.607294] SP: 0xde25fae8:
[ 27.611742] fae8ffffffff de41401c de46e140 de25e000 de13cc40 c017af18 80000013 ffffffff
[ 27.620303] fb08de25fb54 00000078 de25fb8c de25fb20 c0013ed8 c0008374 00000000 00000009
[ 27.628863] fb282000004a de08ac80 00000001 e0ccd000 00000000 00000000 00000078 00000001
[ 27.637423] fb4800000000 de25fb8c 00000000 de25fb68 c017ae6c c017af18 80000013 ffffffff
[ 27.645983] fb6800000000 0003e000 00000000 e0ccd000 de1c5000 000003df de25fbcc de25fb90
[ 27.654543] fb88c017b1b4 c017ae4c 00000000 00000000 de25fbcc de25fba8 00000a45 de25fc58
[ 27.663103] fba8de1c5000 00000000 00000000 00001000 00015000 00000000 de25fc3c de25fbd0
[ 27.671663] fbc8c017e240 c017b04c 00000000 c0039544 de1c5000 00000000 de1c5824 00000000
[ 27.680225]
[ 27.680228] FP: 0xde25fb0c:
[ 27.684676] fb0c00000078 de25fb8c de25fb20 c0013ed8 c0008374 00000000 00000009 2000004a
[ 27.693236] fb2cde08ac80 00000001 e0ccd000 00000000 00000000 00000078 00000001 00000000
[ 27.701795] fb4cde25fb8c 00000000 de25fb68 c017ae6c c017af18 80000013 ffffffff 00000000
[ 27.710356] fb6c0003e000 00000000 e0ccd000 de1c5000 000003df de25fbcc de25fb90 c017b1b4
[ 27.718916] fb8cc017ae4c 00000000 00000000 de25fbcc de25fba8 00000a45 de25fc58 de1c5000
[ 27.727475] fbac00000000 00000000 00001000 00015000 00000000 de25fc3c de25fbd0 c017e240
[ 27.736036] fbccc017b04c 00000000 c0039544 de1c5000 00000000 de1c5824 00000000 de169600
[ 27.744596] fbecde25fc58 000003df de25fc00 c0180878 c04e37a0 00000011 00000000 de25fc2c
[ 27.753158]
[ 27.753161] R3: 0xde08ac00:
[ 27.757609] ac000000000f 0000b3b0 000006cc 00000000 000117ab 00000000 00100100 00200200
[ 27.766169] ac20000001f1 20000086 00000000 00000000 00087000 00000000 00000000 00000000
[ 27.774728] ac400000000f 0000ba80 0000063b 00000000 000117ac 00000000 00100100 00200200
[ 27.783288] ac60000001f1 20000087 00000000 00000000 00088000 00000000 00000000 00000000
[ 27.791846] ac8000000001 00000000 00000043 2000004a 0b78a8ce 00000000 00000001 00000000
[ 27.800406] aca00000004c e0ccd000 00000000 00000000 00089000 00000000 00000000 00000000
[ 27.808965] acc006101831 c0b3e194 0000023c 00000000 00000040 00000102 00000041 4c7a4801
[ 27.817525] ace000000000 00000000 0000004b 00000000 00070000 00000000 2e736d67 00676f6c
[ 27.826087]
[ 27.826090] R5: 0xe0cccf80:
[ 27.830537] cf80******** ******** ******** ******** ******** ******** ******** ********
[ 27.839101] cfa0******** ******** ******** ******** ******** ******** ******** ********
[ 27.847664] cfc0******** ******** ******** ******** ******** ******** ******** ********
[ 27.856226] cfe0******** ******** ******** ******** ******** ******** ******** ********
[ 27.864788] d00006101831 844afea9 0b78a8ce 00000000 0000004c 00000001 00000043 2000004a
[ 27.873348] d02000000000 00000000 00001000 00000001 01010102 00200101 00000000 00000000
[ 27.881908] d04000000000 00e90000 00001100 00000000 06101831 dcc68a57 0b78a8cf 00000000
[ 27.890469] d0600000004c 00000001 00000043 2000004b 00000000 00000000 00001000 00000001
[ 27.899033] Process GMS_TY_DEV_APP (pid: 1410, stack limit = 0xde25e2f0)
[ 27.906021] Stack: (0xde25fb68 to 0xde260000)
[ 27.910567] fb60: 00000000 0003e000 00000000 e0ccd000 de1c5000 000003df
[ 27.919100] fb80: de25fbcc de25fb90 c017b1b4 c017ae4c 00000000 00000000 de25fbcc de25fba8
[ 27.927632] fba0: 00000a45 de25fc58 de1c5000 00000000 00000000 00001000 00015000 00000000
[ 27.936165] fbc0: de25fc3c de25fbd0 c017e240 c017b04c 00000000 c0039544 de1c5000 00000000
[ 27.944698] fbe0: de1c5824 00000000 de169600 de25fc58 000003df de25fc00 c0180878 c04e37a0
[ 27.953231] fc00: 00000011 00000000 de25fc2c de25fc18 c0039924 de1c5000 de169600 00000000
[ 27.961763] fc20: 00000000 00001000 00015000 00000000 de25fc9c de25fc40 c017e9b0 c017e1f8
[ 27.970296] fc40: de25fce4 00000000 000000ac 00000000 de169628 de1c57c0 00000000 0003dca0
[ 27.978829] fc60: 00000010 000003df de51bd98 de1c5898 ffffffff de1c5000 ffffffe4 de169730
[ 27.987363] fc80: 00000000 00000000 000000ac de169758 de25fd14 de25fca0 c016a5d4 c017e8d4
[ 27.995896] fca0: e0967000 00000010 df002350 0000007c 00000000 00000000 de25fcdc de25fcc8
[ 28.004429] fcc0: c01afd08 de25e000 00000002 00000000 00000130 de1c518c 00000000 00000000
[ 28.012962] fce0: de25fd28 00001000 de25fd14 de438000 de1c5000 de25fd68 000000ac 00000001
[ 28.021496] fd00: dfcf1000 00001000 de25fd5c de25fd18 c016b2dc c016a4d8 de25fd2c de1c5008
[ 28.030028] fd20: 00000002 00000000 0000007c 00000001 c00821ac c0b78e20 de1c5000 de9b0cc8
[ 28.038560] fd40: 00001000 00000000 00000002 00000000 de25fd8c de25fd60 c016c9cc c016b1f0
[ 28.047093] fd60: 00001000 de9b0d88 00000042 20000002 00100000 00000000 c0b78e20 de9b0cc8
[ 28.055626] fd80: de25fdc4 de25fd90 c016cb00 c016c8c0 00100000 00000000 de25fec8 de9b0d88
[ 28.064158] fda0: c0b78e20 00000000 de25fe1c 00000004 00000002 de9b0d88 de25fddc de25fdc8
[ 28.072691] fdc0: c00822ac c016ca40 c0082290 ffffffff de25fe84 de25fde0 c0082a40 c008229c
[ 28.081225] fde0: 0000000e de25fde4 de25fde4 de25fdec 00000001 00000001 00000002 de9b0d88
[ 28.089758] fe00: c0082290 00000000 00000000 de25fec8 de25e000 00000004 00000000 c0b78e20
[ 28.098291] fe20: c0b78e00 c0b706e0 c0b706c0 00000000 de1b0000 00000000 de25fe94 de25fe48
[ 28.106824] fe40: c0094534 c0091a38 00000020 00000000 00000000 00000007 c023008c de9b0d88
[ 28.115357] fe60: de25fec8 00000005 de9b0d88 ffffffff 7fffffff 00000000 de25feb4 de25fe88
[ 28.123891] fe80: c0082c58 c0082844 91827364 de25fe8c de25fe8c de25fe94 de25fe94 00000000
[ 28.132425] fea0: 00000000 00000000 de25fec4 de25feb8 c0083c84 c0082c18 de25fefc de25fec8
[ 28.140959] fec0: c007be00 c0083c54 00000001 7fffffff 00000000 00000000 00000000 00000000
[ 28.149492] fee0: ffffffff 7fffffff 00000000 00000000 de25ff34 de25ff00 c007be50 c007bdb0
[ 28.158025] ff00: ffffffff 7fffffff 00000001 00000000 de9b0cc8 de1c5000 ffffffff 7fffffff
[ 28.166559] ff20: c00144a8 de25e000 de25ff5c de25ff38 c016cc04 c007be14 ffffffff 7fffffff
[ 28.175093] ff40: de45f4c0 00000000 000013d5 00000076 de25ff7c de25ff60 c00cc424 c016cbbc
[ 28.183627] ff60: ffffffff 7fffffff 00000000 000948f8 de25ff94 de25ff80 c00cc4fc c00cc3e0
[ 28.192162] ff80: 000948f8 000893b3 de25ffa4 de25ff98 c00cc7c0 c00cc4e0 00000000 de25ffa8
[ 28.200696] ffa0: c0014300 c00cc7b8 000948f8 000893b3 00000007 00000002 40218294 00000000
[ 28.209230] ffc0: 000948f8 000893b3 000013d5 00000076 00000000 00000000 46bf5000 00000000
[ 28.217763] ffe0: 00000000 be8925f8 46d3677c 46d377e4 80000010 00000007 9fffe821 9fffec21
[ 28.226289] Backtrace:
[ 28.228850] [<c017ae40>] (ubifs_add_snod+0x0/0x100) from [<c017b1b4>] (ubifs_scan+0x174/0x2d4)
[ 28.237832]r8:000003df r7:de1c5000 r6:e0ccd000 r5:00000000 r4:0003e000
[ 28.244655] r3:00000000
[ 28.247398] [<c017b040>] (ubifs_scan+0x0/0x2d4) from [<c017e240>] (ubifs_garbage_collect_leb+0x54/0x6dc)
[ 28.257294] [<c017e1ec>] (ubifs_garbage_collect_leb+0x0/0x6dc) from [<c017e9b0>] (ubifs_garbage_collect+0xe8/0x254)
[ 28.268196] [<c017e8c8>] (ubifs_garbage_collect+0x0/0x254) from [<c016a5d4>] (make_reservation+0x108/0x3c8)
[ 28.278364] [<c016a4cc>] (make_reservation+0x0/0x3c8) from [<c016b2dc>] (ubifs_jnl_write_data+0xf8/0x204)
[ 28.288352] [<c016b1e4>] (ubifs_jnl_write_data+0x0/0x204) from [<c016c9cc>] (do_writepage+0x118/0x180)
[ 28.298067] [<c016c8b4>] (do_writepage+0x0/0x180) from [<c016cb00>] (ubifs_writepage+0xcc/0x17c)
[ 28.307228]r7:de9b0cc8 r6:c0b78e20 r5:00000000 r4:00100000
[ 28.313156] [<c016ca34>] (ubifs_writepage+0x0/0x17c) from [<c00822ac>] (__writepage+0x1c/0x64)
[ 28.322144] [<c0082290>] (__writepage+0x0/0x64) from [<c0082a40>] (write_cache_pages+0x208/0x3d4)
[ 28.331396]r4:ffffffff r3:c0082290
[ 28.335135] [<c0082838>] (write_cache_pages+0x0/0x3d4) from [<c0082c58>] (generic_writepages+0x4c/0x64)
[ 28.344939] [<c0082c0c>] (generic_writepages+0x0/0x64) from [<c0083c84>] (do_writepages+0x3c/0x40)
[ 28.354282]r5:00000000 r4:00000000
[ 28.358031] [<c0083c48>] (do_writepages+0x0/0x40) from [<c007be00>] (__filemap_fdatawrite_range+0x5c/0x64)
[ 28.368110] [<c007bda4>] (__filemap_fdatawrite_range+0x0/0x64) from [<c007be50>] (filemap_write_and_wait_range+0x48/0x74)
[ 28.379547] [<c007be08>] (filemap_write_and_wait_range+0x0/0x74) from [<c016cc04>] (ubifs_fsync+0x54/0xc8)
[ 28.389614]r9:de25e000 r8:c00144a8 r7:7fffffff r6:ffffffff r5:de1c5000
[ 28.396437] r4:de9b0cc8
[ 28.399188] [<c016cbb0>] (ubifs_fsync+0x0/0xc8) from [<c00cc424>] (vfs_fsync+0x50/0x54)
[ 28.407535]r7:00000076 r6:000013d5 r5:00000000 r4:de45f4c0
[ 28.413459] [<c00cc3d4>] (vfs_fsync+0x0/0x54) from [<c00cc4fc>] (do_fsync+0x28/0x3c)
[ 28.421543] [<c00cc4d4>] (do_fsync+0x0/0x3c) from [<c00cc7c0>] (sys_fsync+0x14/0x18)
[ 28.429617]r5:000893b3 r4:000948f8
[ 28.433371] [<c00cc7ac>] (sys_fsync+0x0/0x18) from [<c0014300>] (ret_fast_syscall+0x0/0x30)
[ 28.442086] Code: 85832008 95832008 9595201c 9583200c (e594200c)
[ 28.448559] ---[ end trace abb24507c6fce452 ]---
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* XTDZ V:2022-02-22 *
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