On Thu, Sep 23, 2010 at 6:05 PM, Chen Dai <[email protected]> wrote: > Hi Robert, Amit and all, > After updated the u-boot.bin, the kernel can start to boot. But there are > still 2 problems. > 1. for myself built u-boot.bin > The kernel can start to boot, bu it can not mount root fs. > I download the u-boot source code(2010.3 2010.6 2010.9.rc2) > form ftp://ftp.denx.de/pub/u-boot/ > My build step are >> >> ARCH=arm CROSS_COMPILE=arm-none-linux-gnueabi- >> >> make CROSS_COMPILE=arm-none-linux-gnueabi- mrproper >> >> make CROSS_COMPILE=arm-none-linux-gnueabi- devkit8000_config >> >> make CROSS_COMPILE=arm-none-linux-gnueabi- > > > > All these 3 version u-boot got the same result. > The error info on the LCD are : >> >> Root-NFS: No NFS server available, giving up. >> >> VFS: Unable to mount root fs via NFS, trying floppy. >> >> VFS: Cannot open root device "mmcblk0p2" or unknown-block(2,0) >> >> Please append a correct "root" boot option;here are the available >> partitions: >> >> Kernel panic - not syncing: VFS Unable to mount root fs on >> unknown-block(2,0) >> >> ........... >> >> .......... > > 2. I used the u-boot.bin > from http://ftp.linuxfoundation.org/pub/meego/MEEGO_GENIVI_BEAGLE_DEMO.img.xz > from http://wiki.meego.com/ARM/Meego_on_the_Beagle, the kernel can boot > successfully and I can login to the system. > But the LCD was black, didn't light on. > > My bootargs is 'bootargs=console=ttyS2,115200n8 noinitrd > root=/dev/mmcblk0p2 rootfstype=ext3 rw nohz=off rootdelay=5 > omapdss.def_disp=lcd omapfb.mode=lcd:800x480' > Is it an u-boot issue or kernel issue or my sd card issue?
Hi Chen, Would you get me a full boot log from power up.. I'd first start by dropping "noinitrd" and "rootfstype=ext3" Change 'rw' to 'ro' and 'rootdelay=5' over to 'rootwait' which should help out if it's slow sd card.. Regards, -- Robert Nelson http://www.rcn-ee.com/ _______________________________________________ MeeGo-dev mailing list [email protected] http://lists.meego.com/listinfo/meego-dev
