With the latest sources, I turned on checking

    echo +verify-all >/proc/yaffs

then I received the above error.

The error came from yaffs_FlushFilesChunkCache as cache->nBytes is -2048.

The only place this is set is from yaffs_WriteDataToFile with the 
calculation for nToWriteBack.

Has anyone seen this error? How do I fix it?

Cal Page