SD 启动的问题

vincent2

Prodigy 50 points

你好

环境：

1.现在使用的是源码是SDK6.0 ，以evm_SK 模板修改部分程序

2.4G Kingston SD卡启动方式，boot 和rootfs

3.电源供电无电池

情况：

1最近在对多台板子拷机的时候发现运行时间超过24h 以后对设备突然断电设备就启动不了

2.有关的内核错误打印有很多种情况

===================================================================

[ 11.819488] cpsw: Detected MACID = 70:bd:5f:c0:00:00
[ 11.825653] drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[ 11.840484] kjournald starting. Commit interval 5 seconds
[ 11.846313] EXT3-fs (mmcblk0p2): mounted filesystem with ordered data mode
[ 11.853546] VFS: Mounted root (ext3 filesystem) readonly on device 179:2.
[ 11.861053] Freeing init memory: 236K
[ 14.720153] mmcblk0: error -110 transferring data, sector 4879258, nr 8, cmd response 0x900, card status 0x200b00
[ 14.730957] mmcblk0: retrying using single block read
[ 19.043945] mmcblk0: error -110 transferring data, sector 4879258, nr 8, cmd response 0x900, card status 0x0
[ 19.054260] end_request: I/O error, dev mmcblk0, sector 4879258
=============================================

11.920288] mmcblk0: p1 p2
[ 12.009582] EXT3-fs (mmcblk0p2): recovery required on readonly filesystem
[ 12.016693] EXT3-fs (mmcblk0p2): write access will be enabled during recovery
[ 17.619293] mmcblk0: error -110 transferring data, sector 3572562, nr 8, cmd response 0x900, card status 0x200b00
[ 17.630035] mmcblk0: retrying using single block read
[ 24.663848] mmcblk0: error -110 transferring data, sector 3572562, nr 8, cmd response 0x900, card status 0x0
[ 24.674133] end_request: I/O error, dev mmcblk0, sector 3572562
[ 30.272888] mmcblk0: error -110 transferring data, sector 3572563, nr 7, cmd response 0x900, card status 0x0
[ 30.283142] end_request: I/O error, dev mmcblk0, sector 3572563
[ 35.881805] mmcblk0: error -110 transferring data, sector 3572564, nr 6, cmd response 0x900, card status 0x0
[ 35.892089] end_request: I/O error, dev mmcblk0, sector 3572564
[ 41.490814] mmcblk0: error -110 transferring data, sector 3572565, nr 5, cmd response 0x900, card status 0x0
[ 41.501068] end_request: I/O error, dev mmcblk0, sector 3572565
[ 47.099761] mmcblk0: error -110 transferring data, sector 3572566, nr 4, cmd response 0x900, card status 0x0
[ 47.110015] end_request: I/O error, dev mmcblk0, sector 3572566
[ 52.708679] mmcblk0: error -110 transferring data, sector 3572567, nr 3, cmd response 0x900, card status 0x0
[ 52.718963] end_request: I/O error, dev mmcblk0, sector 3572567
[ 58.317657] mmcblk0: error -110 transferring data, sector 3572568, nr 2, cmd response 0x900, card status 0x0
[ 58.327911] end_request: I/O error, dev mmcblk0, sector 3572568
[ 63.926574] mmcblk0: error -110 transferring data, sector 3572569, nr 1, cmd response 0x900, card status 0x0
[ 63.936859] end_request: I/O error, dev mmcblk0, sector 3572569
[ 63.943084] JBD: IO error reading journal superblock
[ 63.948272] EXT3-fs (mmcblk0p2): error loading journal
[ 63.953826] List of all partitions:
[ 63.957489] b300 3813376 mmcblk0 driver: mmcblk
[ 63.963073] b301 72261 mmcblk0p1 00000000-0000-0000-0000-000000000000
[ 63.970886] b302 3727080 mmcblk0p2 00000000-0000-0000-0000-000000000000
[ 63.978729] No filesystem could mount root, tried: ext3
[ 63.984283] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,2)
[ 63.993103] Backtrace:
[ 63.995666] [<c0017dbc>] (dump_backtrace+0x0/0x10c) from [<c0432018>] (dump_stack+0x18/0x1c)
[ 64.004486] r6:00008001 r5:c051c7a8 r4:c066c288 r3:c06203cc
[ 64.010437] [<c0432000>] (dump_stack+0x0/0x1c) from [<c0432254>] (panic+0x64/0x194)
[ 64.018432] [<c04321f0>] (panic+0x0/0x194) from [<c05c1d90>] (mount_block_root+0x1e4/0x228)
[ 64.027160] r3:c701df0c r2:00000020 r1:c701df40 r0:c051c7a8
[ 64.033111] r7:c051c810
[ 64.035736] [<c05c1bac>] (mount_block_root+0x0/0x228) from [<c05c1f88>] (mount_root+0xc8/0xe8)
[ 64.044769] [<c05c1ec0>] (mount_root+0x0/0xe8) from [<c05c2114>] (prepare_namespace+0x16c/0x1c0)
[ 64.053955] r4:c06695e0