U-boot arguments ignored while booting

Hi guys,

I got the following kernel messages while booting and, hence the
devices associate with those boot arguments, does not function.
Please show me a solution.
Below is the log :

U-Boot 2009.11 (Feb 18 2011 -
12:08:32)

OMAP3530-GP ES3.1, CPU-OPP2
L3-165MHz
OMAP3 SBC3530 + LPDDR/
NAND
I2C:
ready
DRAM: 128
MB
NAND: 256
MiB
In:
serial
Out:
serial
Err:
serial
Ethernet MAC address:
02:c0:05:01:b0:05
Die ID
#170000040000000004036ac00501b005
Net:
smc911x-0
Hit any key to stop autoboot:
0
OMAP3 Stalker # setenv bootargs
console=tty0
OMAP3 Stalker #
saveenv
Saving Environment to
NAND...
Erasing
Nand...
Erasing at 0x260000 -- 100%
complete.
Writing to Nand...
done
OMAP3 Stalker #
boot
mmc1 is
available
reading
boot.scr

** Unable to read "boot.scr" from mmc 0:1

Kernel command line: console=ttyS0,115200n8 vram=12M omapfb.mode=dvi:
1024x768MRt
Unknown boot option omapfb.video_mode=dvi:1024x768MR-16@60': ignoring Unknown boot option omapfb.debug=y’:
ignoring
Unknown boot option `omap-dss.def_disp=dvi’: ignoring

please explain me why this happened //

Thanks and regards…