Jffs2 errors

[harsh poshtiwala]

Hi,

I am using TI OMAP AM3517 with Linux 2.6.32.
>From time to time I see errors when I update mtd partitions

i use the following commands
flash_eraseall -j /dev/mtd10
mount -t jffs2 /dev/mtdblock10 /tmp/nand
cd nand
tar -xzf rootfs.tar.gz

the erase operation goes successfully, however I see the following
errors at the time of mount/writing

,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe1018d4. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe101690. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe10144c. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe101208. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe100fc4. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe100d80. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe100b3c. {ffff,ffff,ffffffff,ffffffff}
JFFS2 notice: (429) jffs2_get_inode_nodes: Node header CRC failed at
0xe100000. {ffff,ffff,ffffffff,ffffffff}

and finally, I see the following messages before I get the command prompt

JFFS2 warning: (429) jffs2_do_read_inode_internal: no data nodes found
for ino #11487
Returned error for crccheck of ino #11487. Expect badness...
Header CRC failed on REF_PRISTINE node at 0x11f57414: Read 0xffffffff,
calculated 0x44660075
Header CRC failed on REF_PRISTINE node at 0x11f57ba8: Read 0xffffffff,
calculated 0x44660075
Header CRC failed on REF_PRISTINE node at 0x11f5abfc: Read 0xffffffff,
calculated 0x44660075
Node CRC ffffffff != calculated CRC f09e7845 for node at 11f5adfc
read of old metadata failed in jffs2_garbage_collect_metadata(): -5
Error garbage collecting node at 11f5adfc!
No space for garbage collection. Aborting GC thread
Node CRC ffffffff != calculated CRC f09e7845 for node at 11f5adfc
read of old metadata failed in jffs2_garbage_collect_metadata(): -5
Error garbage collecting node at 11f5adfc!
Node CRC ffffffff != calculated CRC f09e7845 for node at 11f5adfc
read of old metadata failed in jffs2_garbage_collect_metadata(): -5
Error garbage collecting node at 11f5adfc!
Node CRC ffffffff != calculated CRC f09e7845 for node at 11f5adfc
read of old metadata failed in jffs2_garbage_collect_metadata(): -5
Error garbage collecting node at 11f5adfc!


One more thing I found is that the target keeps throwing the following messages.
root at ti-omap3-am3517-evm:/tmp# Node CRC ffffffff != calculated CRC
f09e7845 for node at 11f5adfc
read of old metadata failed in jffs2_garbage_collect_metadata(): -5
Error garbage collecting node at 11f5adfc!

Also, when I type some of the commands it fails with the errors

root at ti-omap3-am3517-evm:/tmp# umount nand
JFFS2 warning: (1183) jffs2_get_inode_nodes: Eep. No valid nodes for ino #11253.
JFFS2 warning: (1183) jffs2_do_read_inode_internal: no data nodes
found for ino #11253
iget() failed for ino #11253
-bash: umount: command not found


I would really appreciate your comments to fix this.

--
Thanks & Regards
Harsh