tty errors Booting Nightly Compose: desktop-x86_64-20101120.20.iso

Sun Nov 21 16:08:19 UTC 2010

desktop-x86_64-20101120.20.iso 

Boot from usb External CD/DVD :

(1)MacBook Air: Drops to shell on boot:
no root device found Dropping to shell
sh: can't access tty: job control off dracut :/#

(2) Acer Aspire One:
Boot & Basic Video:
Boots with progress bar  gdm has black background, No desktop background.
abrt:kernel oops
 warning: at drivers/char/tty_io.c:1325 tty_open+0x298/0x495()