What to do:
format the usb-stick:
Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1         254      976345    c  W95 FAT32 (LBA)
/dev/sda2             255        1017     2932972   83  Linux

1. install coinlinux live system on sda1.
2. mkfs.ext3 /dev/sda2 -L live-rw
3. install grub on /dev/sda