这段时间遇到一个很奇怪的问题，就是用1G的nand启动Linux qt 系统，烧写完系统第一次能进去，然后第二次就进不去了，想知道这大概是哪里出问题了，顺带说一句，没有用官方的SDK，软件不知道是从哪里抠出来的。
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这段时间遇到一个很奇怪的问题，就是用1G的nand启动Linux qt 系统，烧写完系统第一次能进去，然后第二次就进不去了，想知道这大概是哪里出问题了，顺带说一句，没有用官方的SDK，软件不知道是从哪里抠出来的。
用SD卡烧写完系统能顺利的进去，能进桌面，能进文件系统进行操作，第二次就不能读取了文件系统， kernel 打印的信息如下
[ 5.312198] rtc-ds1307 2-0068: read: 55 00 00 01 01 01 00
[ 5.318164] rtc-ds1307 2-0068: read secs=55, mins=0, hours=0, mday=1, mon=0, year=100, wday=0
[ 5.327426] rtc-ds1307 2-0068: setting system clock to 2000-01-01 00:00:55 UTC (946684855)
[ 5.340268] uncorrectable error :
[ 5.344001] uncorrectable error :
[ 5.347867] uncorrectable error :
[ 5.351742] uncorrectable error :
[ 5.356102] uncorrectable error :
[ 5.359967] uncorrectable error :
[ 5.363843] uncorrectable error :
[ 5.367707] uncorrectable error :
[ 5.372071] uncorrectable error :
[ 5.375936] uncorrectable error :
[ 5.414857] uncorrectable error :
[ 5.418733] uncorrectable error :
[ 5.422614] uncorrectable error :
[ 5.426480] uncorrectable error :
[ 5.430834] uncorrectable error :
[ 5.434709] uncorrectable error :
[ 5.438574] uncorrectable error :
[ 5.442446] uncorrectable error :
[ 5.446800] uncorrectable error :
[ 5.450664] uncorrectable error :
[ 5.489221] uncorrectable error :
[ 5.493113] uncorrectable error :
[ 5.496978] uncorrectable error :
[ 5.500841] uncorrectable error :
5.599228] uncorrectable error :
[ 5.636364] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 3:4096, read 126976 bytes
[ 5.649228] uncorrectable error :
[ 5.652931] uncorrectable error :
[ 5.656796] uncorrectable error :
[ 5.660662] uncorrectable error :
[ 5.665031] uncorrectable error :
[ 5.668896] uncorrectable error :
[ 5.672771] uncorrectable error :
[ 5.676636] uncorrectable error :
[ 5.680992] uncorrectable error :
[ 5.684876] uncorrectable error :
[ 5.723871] uncorrectable error :
[ 5.727747] uncorrectable error :
[ 5.731628] uncorrectable error :
[ 5.735496] uncorrectable error :
[ 5.739847] uncorrectable error :
[ 5.743722] uncorrectable error :
[ 5.747586] uncorrectable error :
[ 5.751450] uncorrectable error :
[ 5.755810] uncorrectable error :
[ 5.759674] uncorrectable error :
[ 5.798236] uncorrectable error :
[ 5.802118] uncorrectable error :
[ 5.805983] uncorrectable error :
[ 5.809848] uncorrectable error :
[ 5.814205] uncorrectable error :
[ 5.818069] uncorrectable error :
[ 5.821943] uncorrectable error :
[ 5.825808] uncorrectable error :
[ 5.830156] uncorrectable error :
[ 5.834032] uncorrectable error :
[ 5.872459] uncorrectable error :
[ 5.876326] uncorrectable error :
[ 5.880190] uncorrectable error :
[ 5.884075] uncorrectable error :
[ 5.888425] uncorrectable error :
[ 5.892302] uncorrectable error :
[ 5.896166] uncorrectable error :
[ 5.900030] uncorrectable error :
[ 5.904388] uncorrectable error :
[ 5.908252] uncorrectable error :
[ 5.945397] UBI error: ubi_io_read: error -74 (ECC error) while reading 126976 bytes from PEB 3:4096, read 126976 bytes
[ 5.957230] UBIFS error (pid 1): ubifs_recover_master_node: failed to recover master node
[ 5.966809] List of all partitions:
[ 5.970829] 1f00 128 mtdblock0 (driver?)
[ 5.976461] 1f01 128 mtdblock1 (driver?)
[ 5.982072] 1f02 128 mtdblock2 (driver?)
[ 5.987667] 1f03 128 mtdblock3 (driver?)
[ 5.993274] 1f04 1920 mtdblock4 (driver?)
[ 5.998868] 1f05 128 mtdblock5 (driver?)
[ 6.004471] 1f06 5120 mtdblock6 (driver?)
[ 6.010067] 1f07 1040896 mtdblock7 (driver?)
[ 6.015664] No filesystem could mount root, tried: ubifs
[ 6.021635] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 6.030574] Backtrace:
[ 6.033492] [<c0018640>] (dump_backtrace+0x0/0x10c) from [<c0496754>] (dump_stack+0x18/0x1c)
[ 6.042639] r6:00008000 r5:c058bdc0 r4:c06e4090 r3:c0698a8c
[ 6.049208] [<c049673c>] (dump_stack+0x0/0x1c) from [<c04969a4>] (panic+0x64/0x194)
[ 6.057541] [<c0496940>] (panic+0x0/0x194) from [<c0639cfc>] (mount_block_root+0x1e4/0x228)
[ 6.066587] r3:ee82df34 r2:00000020 r1:ee82df68 r0:c058bdc0
[ 6.073158] r7:c0668fa0
[ 6.076128] [<c0639b18>] (mount_block_root+0x0/0x228) from [<c0639fa8>] (prepare_namespace+0x94/0x1cc)
[ 6.086176] [<c0639f14>] (prepare_namespace+0x0/0x1cc) from [<c0639900>] (kernel_init+0xf4/0x120)
[ 6.095758] r5:c0675244 r4:c0675244
[ 6.099834] [<c063980c>] (kernel_init+0x0/0x120) from [<c0041f70>] (do_exit+0x0/0x674)
[ 6.108420] r5:c063980c r4:00000000
中间省略了一堆那个什么错误。
求大神指点迷津。
