JDKが解凍できない？

Do you agree to the above license terms? [yes or no]
yes
Unpacking...
Checksumming...
Extracting...
./jdk-6u4-linux-i586.bin: ./install.sfx.25812: /lib/ld-linux.so.2: bad ELF interpreter: No such file or directory
Failed to extract the files.  Please refer to the Troubleshooting section of
the Installation Instructions on the download page for more information.

困るなあ…