[Bug 1274320] Re: Error: diskfilter writes are not supported

[Michiel Bruijn]

This bug is still present and not fixed for me and several other people
(for example http://forum.kodi.tv/showthread.php?tid=194447)

I did a clean install of kodibuntu (lubuntu 14.04) and had this error.
I use LVM and installed the OS on a SSD in AHCI mode.
It's annoying, but the system continues after a few seconds.

I would like to have this problem fixed because I have a slow resume of
my monitor after suspend. I would like to rule out this problem to be
related.

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https://bugs.launchpad.net/bugs/1274320

Title:
  Error: diskfilter writes are not supported

Status in grub:
  Unknown
Status in grub2 package in Ubuntu:
  Fix Released
Status in grub2 source package in Trusty:
  In Progress
Status in grub2 source package in Vivid:
  In Progress
Status in grub2 package in Debian:
  New
Status in grub2 package in Fedora:
  Unknown

Bug description:
  Once grub chooses what to boot to, an error shows up and will sit on
  the screen for approx. 5 seconds

  "Error: diskfilter writes are not supported.
  Press any key to continue..."

  From what I understand, this error is related to raid partitions, and
  I have two of them (md0, md1). Both partitions are used (root and
  swap). Raid is assembled with mdadm and are raid0

  This error message started appearing right after grub2 was updated on
  01/27/2014.

  System:    Kernel: 3.13.0-5-generic x86_64 (64 bit) Desktop: KDE 4.11.5 Distro: Ubuntu 14.04 trusty
  Drives:    HDD Total Size: 1064.2GB (10.9% used)
          1: id: /dev/sda model: SanDisk_SDSSDRC0 size: 32.0GB
          2: id: /dev/sdb model: SanDisk_SDSSDRC0 size: 32.0GB
          3: id: /dev/sdc model: ST31000528AS size: 1000.2GB
  RAID:      Device-1: /dev/md1 - active raid: 0 components: online: sdb2 sda3 (swap)       Device-2: /dev/md0 - active raid: 0 components: online: sdb1 sda1 ( / )
  Grub2:    grub-efi-amd64 version 2.02~beta2-5

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: grub-efi-amd64 2.02~beta2-5
  ProcVersionSignature: Ubuntu 3.13.0-5.20-generic 3.13.0
  Uname: Linux 3.13.0-5-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: amd64
  CurrentDesktop: KDE
  Date: Wed Jan 29 17:37:59 2014
  SourcePackage: grub2
  UpgradeStatus: Upgraded to trusty on 2014-01-23 (6 days ago)

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