Hi Henrik, Thank you for your reply. I've already tried to boot by UUID but the problem was same.
I think there was any problem when i built the kernel for LFS. You can send me .config file of LFS ? When I type "make modules_install", It displays : root:/sources/linux-3.2.6# make modules_install INSTALL arch/x86/kernel/test_nx.ko INSTALL drivers/hid/hid-logitech-dj.ko INSTALL drivers/scsi/scsi_wait_scan.ko INSTALL fs/ext4/ext4.ko INSTALL fs/jbd2/jbd2.ko INSTALL lib/crc16.ko INSTALL net/netfilter/xt_mark.ko DEPMOD 3.2.6 Warning: you may need to install module-init-tools See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt I don't know it is problem, isn't it ? I've read some information on the internet . They told the module-init-tools is replaced by kmod package. So It is not problem . Anyone have any idea ? Please help me. Thank you so much. Thanks and Regards, Khoa Nguyen. On Tue, Sep 11, 2012 at 12:16 AM, Henrik /KaarPoSoft <hen...@kaarposoft.dk>wrote: > On 09/10/12 14:01, Khoa Nguyen wrote: > >> Hi all, >> >> I've just finished LFS. However, I'm facing with the problem that I can't >> boot into the LFS kernel. >> >> It displays : >> >> VFS: Cannot open root device "sdb1" or unkonwn-block(2,0) >> Please append a correct "root=" boot option; >> >> .... >> >> Kernel panic - not syncing : VFS: Unable to mount root fs on >> unknown-block (2-0). >> >> >> BTW: I always install an initramfs with busybox inside. > > This way you can boot linux without any physical filesystems mounted > and have a simple system (busybox) available for debugging > (if grub can load the kernel and initramfs, of course). > > And you can tell grub to boot with root=<uuid> > > See > http://kaarpux.kaarposoft.dk/**packages/l/linux.html<http://kaarpux.kaarposoft.dk/packages/l/linux.html> > > /Henrik >
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