最近在做AM335X系列的异常测试,硬件参照BeagleBone-Black,软件基于TI SDK6.0,其中文件系统用busybox重新做了一下(ramdisk格式),测试中发现AM3352很稳定,但测的三块AM3358有两块都有一定概率启动异常(rootfs挂载失败),不知道大家有没碰到类似的问题,可能是什么原因?
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AM3352和AM3358都是焊接在同样的板子上么?
如果您用的是ddr3,需要根据不同的板子做ddr3的tuning,版内搜索就可以了
在测试的新做的3352的电路板上,也出现内核正常运行后无法挂载Ramdisk根文件系统的问题,出错信息有以下两种:
一、
RAMDISK: gzip image found at block 0
mmc0: host does not support reading read-only-switch. assuming write-enable.
mmc0: new high speed SDHC card at address e624
mmcblk0: mmc:e624 SS08G 7.40GiB
mmcblk0: p1
uncompression error
EXT3-fs (ram0): warning: feature flags set on rev 0 fs, running e2fsck is recommended
JBD: no valid journal superblock found
二、
RAMDISK: gzip image found at block 0
mmc0: host does not support reading read-only-switch. assuming write-enable.
mmc0: new high speed SDHC card at address e624
mmcblk0: mmc:e624 SS08G 7.40GiB
mmcblk0: p1
Unable to handle kernel paging request at virtual address b8f44b04
pgd = c0004000
[b8f44b04] *pgd=00000000
Internal error: Oops: 5 [#1]
请帮分析下原因。