I get the same problem. what I also see is, that I get the follow message on update-grub:
# LANG=C update-grub Generating grub configuration file ... /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. Found linux image: /boot/vmlinuz-3.13.0-37-generic Found initrd image: /boot/initrd.img-3.13.0-37-generic /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. Found linux image: /boot/vmlinuz-3.13.0-32-generic Found initrd image: /boot/initrd.img-3.13.0-32-generic /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. /usr/sbin/grub-probe: warning: Couldn't find physical volume `(null)'. Some modules may be missing from core image.. Found memtest86+ image: /boot/memtest86+.elf Found memtest86+ image: /boot/memtest86+.bin done and when I try to run the abstraction target I also get this: # grub-probe --target=abstraction "/boot/grub/" grub-probe: Warnung: Physischer Datenträger »(null)« konnte nicht gefunden werden. Einige Module könnten im Core-Abbild fehlen.. diskfilter mdraid1x but not when I run the disk/fs target - so this seems more stable to me?! # grub-probe --target=disk "/boot/grub/" /dev/md0 # grub-probe --target=fs "/boot/grub/" ext2 # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.1 LTS Release: 14.04 Codename: trusty # dpkg -l|grep grub ii grub-common 2.02~beta2-9ubuntu1 amd64 GRand Unified Bootloader (common files) ii grub-gfxpayload-lists 0.6 amd64 GRUB gfxpayload blacklist ii grub-pc 2.02~beta2-9ubuntu1 amd64 GRand Unified Bootloader, version 2 (PC/BIOS version) ii grub-pc-bin 2.02~beta2-9ubuntu1 amd64 GRand Unified Bootloader, version 2 (PC/BIOS binaries) ii grub2-common 2.02~beta2-9ubuntu1 amd64 GRand Unified Bootloader (common files for version 2) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1274320 Title: Error: diskfilter writes are not supported To manage notifications about this bug go to: https://bugs.launchpad.net/grub/+bug/1274320/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
