We have the Gumstix running in an embedded system, and often when we do a
hard shutdown (turn power off) we get a failed boot on the next power-up. I
get the following error message:
JFFS2 notice: (683) check_node_data: wrong data CRC in data node at
I found a post on the web suggesting that there is some kind of cache
active. The suggestion was to turn off:
I found the following about 'CONFIG_JFFS2_FS_WRITEBUFFER'
The Linux kernel configuration item CONFIG_JFFS2_FS_WRITEBUFFER has multiple
The configuration item CONFIG_JFFS2_FS_WRITEBUFFER:
prompt: JFFS2 write-buffering support
depends on: CONFIG_JFFS2_FS
defined in fs/Kconfig
found in Linux Kernels: from 2.6.13 release still available on 2.6.34
This enables the write-buffering support in JFFS2.
This functionality is required to support JFFS2 on the following types of
flash devices: - NAND flash - NOR flash with transparent ECC - DataFlash
I don't know where 'CONFIG_JFFS2_FS_WRITEBUFFER' is found, how to change its
value, or what it will do. Any information would be helpful.
Has anyone had this problem? Are there any suggestions on fixes or
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