Auto-detection of a filesystem of /dev/sda1 failed on btrfs

Bug #842358 reported by latrom on 2011-09-06
22
This bug affects 4 people
Affects Status Importance Assigned to Milestone
grub2 (Ubuntu)
Undecided
Unassigned

Bug Description

Hello. After installing the latest oneiric grub2 update I get that message.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: grub2 (not installed)
ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
Uname: Linux 3.0.0-10-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Tue Sep 6 08:41:26 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
ProcEnviron:
 PATH=(custom, no user)
 LANG=fi_FI.UTF-8
 SHELL=/bin/bash
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)

latrom (moertael) on 2011-09-06
tags: added: grub2
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in grub2 (Ubuntu):
status: New → Confirmed
davidetkarine (saveurlinux) wrote :

with the sda partition has btrfs file system
I did:
sudo grub-install --recheck /dev/sda
but i got this error:
Auto-detection of a filesystem of /dev/sda1 failed.
Try with --recheck.
If the problem persists please report this together with the output of "/usr/sbin/grub-probe --device-map="/boot/grub/device.map" --target=fs -v /boot/grub" to <email address hidden>

executing the following command line
/usr/sbin/grub-probe --device-map="/boot/grub/device.map" --target=fs -v /boot/grub

i got the error:
/usr/sbin/grub-probe : info : impossible d'ouvrir `/boot/grub/device.map'.
/usr/sbin/grub-probe : erreur : cannot find a GRUB drive for /dev/sda1. Check your device.map.

Phillip Susi (psusi) wrote :

Can you try the grub-probe without the --device-map option, and also post the output of sudo blkid?

Changed in grub2 (Ubuntu):
status: Confirmed → Incomplete
Martijn vdS (martijn) wrote :
Martijn vdS (martijn) wrote :

grub-p

Martijn vdS (martijn) wrote :

This is on quantal, btw

Launchpad Janitor (janitor) wrote :

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

Changed in grub2 (Ubuntu):
status: Incomplete → Expired
Gary M (garym) on 2012-08-02
tags: added: quantal
Changed in grub2 (Ubuntu):
status: Expired → Confirmed
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