Bug#595458: /usr/sbin/grub-probe: error: cannot find a device for / (is /dev mounted?). [btrfs]
Nicolas STRANSKY
Nico at stransky.cx
Sat Sep 4 05:50:50 UTC 2010
Package: grub-pc
Version: 1.98+20100804-4
Severity: important
Hello,
Since I migrated / to btrfs, update-grub stropped working and complains
with the following error:
/usr/sbin/grub-probe: error: cannot find a device for / (is /dev
mounted?).
/boot is ext3.
Manually altering grub.cfg works though and the system boots fine, so
grub does support btrfs.
Thanks,
Nicolas
-- Package-specific info:
*********************** BEGIN /proc/mounts
/dev/root / btrfs rw,relatime 0 0
/dev/sda3 /boot ext3 rw,relatime,errors=continue,commit=5,barrier=0,data=writeback 0 0
/dev/sda4 /home btrfs rw,relatime 0 0
*********************** END /proc/mounts
*********************** BEGIN /boot/grub/device.map
(hd0) /dev/disk/by-id/ata-WDC_WD3200BEKT-00F3T0_WD-WX70A89K7496
*********************** END /boot/grub/device.map
*********************** BEGIN /boot/grub/grub.cfg
#
# DO NOT EDIT THIS FILE
#
# It is automatically generated by grub-mkconfig using templates
# from /etc/grub.d and settings from /etc/default/grub
#
### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
load_env
fi
set default="0"
if [ "${prev_saved_entry}" ]; then
set saved_entry="${prev_saved_entry}"
save_env saved_entry
set prev_saved_entry=
save_env prev_saved_entry
set boot_once=true
fi
function savedefault {
if [ -z "${boot_once}" ]; then
saved_entry="${chosen}"
save_env saved_entry
fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod part_msdos
insmod ext2
set root='(hd0,msdos5)'
search --no-floppy --fs-uuid --set 172faeaf-7bfc-47a6-a91d-670823328b72
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=1400x1050
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
set locale_dir=($root)/grub/locale
set lang=en
insmod gettext
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
insmod png
if background_image /grub/1019wallpaper-15_1600.png ; then
set color_normal=black/black
set color_highlight=magenta/black
else
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Debian GNU/Linux, with Linux 2.6.35.4+' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.4+ ...'
linux /vmlinuz-2.6.35.4+ root=/dev/sda5 ro acpi_sleep=s3_bios quiet
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.4+ sda1' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.4+ ...'
linux /vmlinuz-2.6.35.4+ root=/dev/sda1 ro acpi_sleep=s3_bios quiet
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.4+ (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.4+ ...'
linux /vmlinuz-2.6.35.4+ root=/dev/sda5 ro single acpi_sleep=s3_bios
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.3+' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.3+ ...'
linux /vmlinuz-2.6.35.3+ root=/dev/sda5 ro acpi_sleep=s3_bios quiet
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.3+ (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.3+ ...'
linux /vmlinuz-2.6.35.3+ root=/dev/sda5 ro single acpi_sleep=s3_bios
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.2+' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.2+ ...'
linux /vmlinuz-2.6.35.2+ root=/dev/sda5 ro acpi_sleep=s3_bios quiet
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35.2+ (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
insmod part_msdos
insmod ext2
set root='(hd0,msdos3)'
search --no-floppy --fs-uuid --set a5119f8f-c400-4374-8732-d934fd75eea2
echo 'Loading Linux 2.6.35.2+ ...'
linux /vmlinuz-2.6.35.2+ root=/dev/sda5 ro single acpi_sleep=s3_bios
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/40_custom ###
# This file provides an easy way to add custom menu entries. Simply type the
# menu entries you want to add after this comment. Be careful not to change
# the 'exec tail' line above.
### END /etc/grub.d/40_custom ###
### BEGIN /etc/grub.d/41_custom ###
if [ -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
*********************** END /boot/grub/grub.cfg
-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (101, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.35.4+ (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages grub-pc depends on:
ii debconf [debconf-2.0] 1.5.35 Debian configuration management sy
ii grub-common 1.98+20100804-4 GRand Unified Bootloader, version
ii libc6 2.11.2-4 Embedded GNU C Library: Shared lib
ii libdevmapper1.02.1 2:1.02.48-3 The Linux Kernel Device Mapper use
ii ucf 3.0025 Update Configuration File: preserv
grub-pc recommends no packages.
Versions of packages grub-pc suggests:
ii desktop-base 5.0.6 common files for the Debian Deskto
-- Configuration Files:
/etc/default/grub changed:
GRUB_DEFAULT=0
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
GRUB_CMDLINE_LINUX="acpi_sleep=s3_bios"
GRUB_GFXMODE=1400x1050
-- debconf information:
grub2/kfreebsd_cmdline:
* grub2/device_map_regenerated:
grub-pc/linux_cmdline:
* grub2/linux_cmdline: acpi_sleep=s3_bios
grub-pc/install_devices_failed: false
* grub-pc/chainload_from_menu.lst: true
grub-pc/kopt_extracted: false
grub-pc/postrm_purge_boot_grub: false
grub-pc/disk_description:
grub2/kfreebsd_cmdline_default: quiet
* grub2/linux_cmdline_default: quiet
grub-pc/install_devices_empty: false
* grub-pc/install_devices: /dev/disk/by-id/ata-WDC_WD3200BEKT-00F3T0_WD-WX70A89K7496
grub-pc/install_devices_failed_upgrade: true
grub-pc/partition_description:
grub-pc/install_devices_disks_changed:
grub-pc/mixed_legacy_and_grub2: true
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