package grub-pc 1.99~rc1-13ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Mustafa Korkmaz]

Binary package hint: grub2

Happened while updating. This is my first update on a fresh install(except nvidia prop. driver). My computer's root partition filesystem is btrfs, it might be related to that.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: grub-pc 1.99~rc1-13ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Sun Apr 17 23:13:59 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
ProcCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-2.6.38-8-generic root=UUID=5e8a733b-644c-4ac3-96ae-87340a0d9ec9 ro rootflags=subvol=@ quiet splash vt.handoff=7
SourcePackage: grub2
Title: package grub-pc 1.99~rc1-13ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for grub2 (Ubuntu) because there has been no activity for 60 days.]