Maybe you doesn't have enabled systemd support .
2014-07-15 17:05 GMT+00:00 Alexander Kapshuk <alexander.kaps...@gmail.com>: > On 07/15/2014 06:38 PM, Gmail wrote: > > My /usr partition in on the / partition. > > I just use initrd, i've compiled kernel with genkernel. > > I'm trying to look row for row if there's some diff. > > > Il 15/07/2014 17:34, Alexander Kapshuk ha scritto: > > On 07/14/2014 05:18 PM, Gmail wrote: > > Hi, i've upgraded kernel from 3.12.13 to 3.12.20. > I've make a oldconfig as usual, but with new kernel the boot blocks at the > begining to the ramdisk loading. > I've tried with other 3.12.2x with the same negative results. > I use grub2 with systemd. > > Is your '/usr' partition housed on a filesystem of its own, or does it > reside on the '/' partition? > > http://wiki.gentoo.org/wiki/Initramfs/HOWTO > "For systems where all necessary files and tools reside on the same file > system, the init application can perfectly control the further boot > process. But when multiple file systems are defined (or more exotic > installations are done), this might become a bit more tricky: > > - When the /usr partition is on a separate file system, tools and > drivers that have files stored within /usr cannot be used unless /usr > is available. If those tools are needed to make /usr available, then > we cannot boot up the system. > > > - If the root file system is encrypted, then the Linux kernel will not > be able to find the init application, resulting in an unbootable > system. > > The solution for this problem has since long been to use an *initrd* > (initial root device)." > > Did you run a diff on your 3.12.13/.config and 3.12.13/.config, to make > sure you didn't overlook anything to do with the systemd-related config > options? > > > > Did the output you got when generating 'grub.cfg' look similar to this? > > http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?style=printable&full=1#genkernel > > Code Listing 2.3: Generating GRUB2 configuration > > # grub2-mkconfig -o /boot/grub/grub.cfg > Generating grub.cfg ... > Found linux image: /boot/vmlinuz-3.12.20-gentoo > Found initrd image: /boot/initramfs-genkernel-x86-3.12.20-gentoo > done > > The output of the command must mention that at least one Linux image > is found, as those are needed to boot the system. If you use initramfs or > used genkernel to build the kernel, the correct initrd image should be > detected as well. If this is not the case, go to /boot and check the > contents using the ls command. If the files are indeed missing, go back > to the kernel configuration and installation instructions. > >
