[U-Boot] Uncompress error with LZO
Matthias Weißer
weisserm at arcor.de
Thu Oct 18 14:24:20 CEST 2012
Hi
I get some misterious errors from time to time when decompressing an LZO
compressed image. The output is as follows
zmx25> bootm 0x82000000
## Booting kernel from Legacy Image at 82000000 ...
Image Name: zmx25-gfx ifs
Image Type: ARM QNX Kernel Image (lzo compressed)
Data Size: 8181868 Bytes = 7.8 MiB
Load Address: 80000000
Entry Point: 80000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... LZO: uncompress or overwrite error -5
- must RESET board to recover
resetting ...
RAM is from 0x80000000 to 0x83ffffff. The image was transfered using
TFTP and has an uncompressed size of about 20MB. If I change something
in the image so that the compressed data is different it works. If an
image is "broken" it is always broken so the behavior is reproducable. I
compress the image under windows using:
> lzop.exe -f -9 zmx25-gfx-codesys.ifs
> lzop.exe -V
Lempel-Ziv-Oberhumer Packer
Copyright (C) 1996 - 2010
lzop v1.03 Markus Franz Xaver Johannes Oberhumer Nov
1st 2010
lzop version: v1.03, Nov 1st 2010
lzop build date: Nov 1 2010 12:45:58
The image is then created with
> mkimage.exe -A ARM -O QNX -T kernel -C lzo -n "zmx25-gfx-codesys
ifs" -a 0x80000000 -e 0x80000000 -d zmx25-gfx-codesys.ifs.lzo
zmx25-gfx-codesys.lzo.img
Is someone out there who have observed similar behavior? Am I doing
something wrong?
Regards
Matthias
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