64k Page size + ext3 errors

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I am using HW accelerated XOR engine for RAID-5 . I am seeing EXT3-fs errors when I use 64K page size. When I use 4K page size I don't see any issue. As many of you know, we will get better performance when we store bigger files like videos.
 
When I copy 128MB size files using 64k page size no issues seen. When I tried to copy 1.8 GB file with 64KB page size support I am seeing the following errors. Any clue what could be wrong. 
 
Errors 1:
EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 65533, length 1
EXT3-fs error (device md0): ext3_new_block: Allocating block in system zone - blocks from 65534, length 1
 
 
Errors2:
EXT3-fs error (device md0): ext3_readdir: bad entry in directory #2: rec_len % 4 != 0 - offset=0, inode=3040

 
Thanks in Advance,
Marri
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