On 07/12/2015 10:24 AM, Chris Murphy wrote: > On Sun, Jul 12, 2015 at 4:43 AM, Paul Cartwright <pbcartwright@xxxxxxxxx> wrote: >> I did a dnf update, got the new kernel, >> uname -a >> Linux pauls-server 4.0.7-300.fc22.x86_64 #1 SMP Mon Jun 29 22:15:06 UTC >> 2015 x86_64 x86_64 x86_64 GNU/Linux >> >> >> rebooted and... a blinking cursor on a black background.. >> this seems to happen everytime now when I get a new kernel in F22, >> x86_64. So I boot a boot-repair CD, redo the grub, and reboot with a >> grub menu. >> my F22 is /dev/sdb6, and when I do a grub2-mkconfig it finds all of my >> OSes on sda & sdb. once I manually do the grub2-mkconfig & grub2-install >> /dev/sda I can reboot & grub shows all of my OSes. But if I just do the >> dnf update, get a new kernel, and reboot.. blank. Not sure what the >> update does, but it obviously takes out my grub install, not sure what >> it replaces it with. what should I look for, or what am I doing wrong? > Chances are it's a bug. All you did was accept and update, and then > the update broke boot. could very well be that.. > > At the GRUB menu instead of waiting for the timeout or hitting return > on the default option, hit e to edit the entry, find the linux16 or > linuxefi line, go to the end and remove quiet rhgb, and then F10 or > Control-X to boot and see if you get some messages that make it more > clear what's going on. From the description I can't even tell if the > problem is a GRUB failure or a kernel or initramfs failure. problem is, only a blinking cursor, no grub menu.. that's my problem. I know how to edit grub menus using e.. since I have multiple ( mostly linux) OSes, grub gets updated every now & then, and I use "e" to make sure I am booting the latest kernel. > > A kernel update runs grubby which modifies grub.cfg. There is nothing > that grubby does that grub2-install would fix. Whereas grub2-mkconfig > obliterates the grubby modified grub.cfg, and writes a new one from > scratch in its place. > after a kernel update, I always do : $ ls -l /boot ls -l /boot/grub2/ and they are always updated after the kernel install.. so it seems maybe grubby is screwing up.. -- Paul Cartwright Registered Linux User #367800 and new counter #561587 -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org