package memtest86+ (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 1

[Khar Tahk]

Problem with memtest86+ after 11.10 to 12.04 upgrade when network booting. It can't install memtest because grub is not able to configure anything since grub is not used to boot ubuntu.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: memtest86+ (not installed)
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
AptOrdering:
 remastersys: Remove
 ubuntu-standard: Remove
 memtest86+: Remove
 friendly-recovery: Configure
 grub-pc: Configure
Architecture: i386
Date: Sat May 19 16:43:23 2012
ErrorMessage: subprocess installed post-removal script returned error exit status 1
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
SourcePackage: memtest86+
Title: package memtest86+ (not installed) failed to install/upgrade: subprocess installed post-removal script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-05-19 (0 days ago)

[Brian Murray (brian-murray)]

From VarLogDistupgradeApttermlog.gz:

Removing memtest86+ ...
/usr/sbin/grub-probe: napaka: cannot find a device for / (is /dev mounted?).
dpkg: error processing memtest86+ (--remove):
 subprocess installed post-removal script returned error exit status 1