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Subject: Re: ubifs_decompress: cannot decompress ...
From: Artem Bityutskiy <dedekind1@gmail.com>
To: "Matthew L. Creech" <mlcreech@gmail.com>
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Date: Wed, 01 Jun 2011 10:48:34 +0300
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On Fri, 2011-05-27 at 17:12 -0400, Matthew L. Creech wrote:
> Hi,
> 
> We encountered a device which has the following error:
> 
> UBIFS error (pid 428): ubifs_decompress: cannot decompress 1010 bytes,
> compressor lzo, error -22
> UBIFS error (pid 428): read_block: bad data node (block 388, inode 556196)
> UBIFS error (pid 428): do_readpage: cannot read page 388 of inode
> 556196, error -22
> UBIFS error (pid 428): ubifs_decompress: cannot decompress 1010 bytes,
> compressor lzo, error -22
> UBIFS error (pid 428): read_block: bad data node (block 388, inode 556196)
> UBIFS error (pid 428): do_readpage: cannot read page 388 of inode
> 556196, error -22
> 
> The device is still bootable (though not functional), so I can get
> more debug info if needed.  Any ideas on what could cause this?

Yes, you can enable mount and recovery debugging messages and send me
the log.

> - MPC8313 (using fsl_elbc_nand driver)
> - 1GB NAND flash (partitioned into 5MB for U-Boot, remainder for UBI/UBIFS)
> - 2.6.39 kernel
> 
> Thanks!
> 


-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)