Hi Khosro, On Mon, Feb 14, 2011 at 3:43 PM, Khosro Taraghi <ktaraghi@xxxxxxxxxxxxxxxxxxx> wrote: > I have a beagleboard Rev C4 and when I try to load the kernel from memory > with bootm command, it shows me an error in the middle of loading kernel. > This is the error message: > > Waiting 1sec before mounting root device... > mmc0: new high speed SD card at address b368 > mmcblk0: mmc0:b368 5ÂÂÂÂ 3.83 GiB > Âmmcblk0: p1 > VFS: Cannot open root device "b302" or unknown-block(179,2) > Please append a correct "root=" boot option; here are the available > partitions: > 1f00ÂÂÂÂÂÂÂÂÂÂÂÂ 512 mtdblock0 (driver?) > 1f01ÂÂÂÂÂÂÂÂÂÂÂ 1920 mtdblock1 (driver?) > 1f02ÂÂÂÂÂÂÂÂÂÂÂÂ 128 mtdblock2 (driver?) > 1f03ÂÂÂÂÂÂÂÂÂÂÂ 4096 mtdblock3 (driver?) > 1f04ÂÂÂÂÂÂÂÂÂ 255488 mtdblock4 (driver?) > b300ÂÂÂÂÂÂÂÂ 4020224 mmcblk0 driver: mmcblk > Â b301ÂÂÂÂÂÂÂÂ 4016128 mmcblk0p1 > Kernel panic - not syncing: VFS: Unable to mount root fs on > unknown-block(179,2) > > I changed some environment variables to get result, but it failed with same > error. > > Could you please help me if you have any idea. Thanks a lot in advance. Try with the following arguments: root=/dev/mmcblk0p1 rootwait This assumes the root filesystem is on the first partition on the SD-card. Cheers, Niels _______________________________________________ arm mailing list arm@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/arm