package grub-pc 1.98 20100804-4ubuntu6 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[Nevzat Akkaya]

Binary package hint: grub2

I'm using Ubuntu 10.10 beta. Since yesterday, grub-pc update ends with this error :

"Generating grub.cfg ...
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/isw_jaigchfec_VOL15. Check your device.map."

I'm using my laptops built-in Intel's fakeRaid with mirrored two sata drives.
my GRUB2 BOOT partition is on RAID too.
I'm not so experienced with Linux, just beginning to learn this year. However, I'm an experienced IT specialist for 10+ years, so I can follow any command you provide with.

Here's the related partitions.
/dev/mapper/isw_jaigchfec_VOL13 is BOOT
/dev/mapper/isw_jaigchfec_VOL15 is Ubuntu

Although Ubuntu boots and runs normally, grub-pc update fails.

ProblemType: Package
DistroRelease: Ubuntu 10.10
Package: grub-pc 1.98+20100804-4ubuntu6
ProcVersionSignature: Ubuntu 2.6.35-20.29-generic 2.6.35.4
Uname: Linux 2.6.35-20-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Tue Sep 14 08:30:14 2010
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
SourcePackage: grub2
Title: package grub-pc 1.98+20100804-4ubuntu6 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[Florian Wolfsjäger (florian-wolfsjaeger)]

I'm having the same problem on Kubuntu 10.10:

Generating grub.cfg ...
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/isw_haeabhach_Volume05. Check your device.map.
run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 1
Failed to process /etc/kernel/postinst.d at /var/lib/dpkg/info/linux-image-2.6.35-21-generic.postinst line 1010.
dpkg: error processing linux-image-2.6.35-21-generic (--configure):
 subprocess installed post-installation script returned error exit status 2
Setting up grub-pc (1.98+20100804-4ubuntu6) ...
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/isw_haeabhach_Volume05. Check your device.map.
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/isw_haeabhach_Volume05. Check your device.map.
Auto-detection of a filesystem module failed.
Please specify the module with the option `--modules' explicitly.
Generating grub.cfg ...
/usr/sbin/grub-probe: error: cannot find a GRUB drive for /dev/mapper/isw_haeabhach_Volume05. Check your device.map.
dpkg: error processing grub-pc (--configure):
 subprocess installed post-installation script returned error exit status 1
dpkg: dependency problems prevent configuration of linux-image-generic:
 linux-image-generic depends on linux-image-2.6.35-21-generic; however:
  Package linux-image-2.6.35-21-generic is not configured yet.
dpkg: error processing linux-image-generic (--configure):
 dependency problems - leaving unconfigured
dpkg: dependency problems prevent configuration of linux-generic:
 linux-generic depends on linux-image-generic (= 2.6.35.21.22); however:
  Package linux-image-generic is not configured yet.
dpkg: error processing linux-generic (--configure):
 dependency problems - leaving unconfigured
No apport report written because the error message indicates its a followup error from a previous failure.
                                                                                                          No apport report written because MaxReports is reached already
                                                                                                                                                                        Errors were encountered while processing:
 linux-image-2.6.35-21-generic
 grub-pc
 linux-image-generic
 linux-generic
E: Sub-process /usr/bin/dpkg returned an error code (1)

Package: grub-pc 1.98+20100804-4ubuntu6
Uname: Linux 2.6.35-20-generic x86_64
Architecture: amd64
InstallationMedia: Ubuntu 10.10 Alpha

[Nevzat Akkaya (nevzat-akkaya)]

I think I have solved the problem partially. I have edited "/etc/kernel/postinst.d/zz-update-grub" and "/etc/kernel/postrm.d/zz-update-grub" files as root and disabled the line "exec update-grub" by prefixing it with "#". Then re-run the Ubuntu Update Manager, this time it succeeded all the updates. After the installation, I have reverted the above two files to their originals and re-run update-grub, this time with no failure! Lucky me :) After all these updates, Ubuntu 10.10 now looks gorgeous!

[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.]