[SOLVED] jffs2: filesystem corruption caused by writing and powercycle

[eibach at gdsys.de]

> I have  a problem with jffs2 filesystem corruption. 
> My environment is kernel 2.6.23.4, running on PPC. 
> Flash is Spansion 29GL512 NOR-Flash.
> 
> The problem can be reproduced simply by turning off power while writing.
> After 3 or 4 powercycles I get errormessages when trying to copy the file I wrote before turning off power:
> 
> / # cp /data/tst /data/tst2
> Data CRC ee9173b1 != calculated CRC 6af6806d for node at 0221f108
> cp: read error: Input/output error
> / #

The problem is solved by patch
"[JFFS2] Fix data CRC checking on NOR flash."
from David Woodhouse, 21 Nov 2007.

Cheers
Dirk