Bug#601974: grub-probe can not find /dev/xvda1 (block device inside XEN)
Sebastian Cruz
default50 at gmail.com
Wed Jan 26 17:31:48 UTC 2011
Package: grub-pc
Severity: normal
I had the same issue on several DomUs over different Dom0s. I've just tried installing grub-pc and grub-common from unstable (1.98+20100804-14_amd64) and the problem persisted.
Right after that I installed both packages from experimental (1.99~rc1-1_amd64) and I could correctly install grub and update-grub works as expected, though it outputs lots of warnings.
For further reference:
# grub-probe --device /dev/xvda1
grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
ext2
# echo $?
0
# update-grub
Generating grub.cfg ...
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
Found linux image: /boot/vmlinuz-2.6.32-5-xen-amd64
Found initrd image: /boot/initrd.img-2.6.32-5-xen-amd64
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
Found linux image: /boot/vmlinuz-2.6.32-5-amd64
Found initrd image: /boot/initrd.img-2.6.32-5-amd64
/usr/sbin/grub-probe: warn: disk does not exist, so falling back to partition device /dev/xvda1.
done
-- Package-specific info:
*********************** BEGIN /proc/mounts
/dev/xvda1 / ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/gisworking/incoming/files ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/gisworking/incoming/directories ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/mdiraimondo/gisworking-kabul ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/mdiraimondo/agcho ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/mchomicki/gisworking-kabul ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/mchomicki/agcho ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
/dev/xvda1 /home/ftp/aprieto/xoomcode ext4 rw,relatime,errors=remount-ro,barrier=1,data=ordered 0 0
*********************** END /proc/mounts
*********************** BEGIN /boot/grub/device.map
*********************** 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="${chosen}"
save_env saved_entry
fi
}
function load_video {
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
}
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
if loadfont /usr/share/grub/unicode.pf2 ; then
set gfxmode=640x480
load_video
insmod gfxterm
fi
terminal_output gfxterm
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
set locale_dir=($root)/boot/grub/locale
set lang=en_US
insmod gettext
set timeout=5
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64' --class debian --class gnu-linux --class gnu --class os {
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
echo 'Loading Linux 2.6.32-5-xen-amd64 ...'
linux /boot/vmlinuz-2.6.32-5-xen-amd64 root=UUID=75cbff23-c81d-44a2-b050-5010c3ebca86 ro
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-5-xen-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
echo 'Loading Linux 2.6.32-5-xen-amd64 ...'
linux /boot/vmlinuz-2.6.32-5-xen-amd64 root=UUID=75cbff23-c81d-44a2-b050-5010c3ebca86 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-5-xen-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64' --class debian --class gnu-linux --class gnu --class os {
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
echo 'Loading Linux 2.6.32-5-amd64 ...'
linux /boot/vmlinuz-2.6.32-5-amd64 root=UUID=75cbff23-c81d-44a2-b050-5010c3ebca86 ro
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-5-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
insmod ext2
set root='(/dev/xvda1)'
search --no-floppy --fs-uuid --set=root 75cbff23-c81d-44a2-b050-5010c3ebca86
echo 'Loading Linux 2.6.32-5-amd64 ...'
linux /boot/vmlinuz-2.6.32-5-amd64 root=UUID=75cbff23-c81d-44a2-b050-5010c3ebca86 ro single
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-2.6.32-5-amd64
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
### END /etc/grub.d/20_memtest86+ ###
### 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: 6.0
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-xen-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages grub-pc depends on:
ii debconf [debconf-2.0] 1.5.36 Debian configuration management sy
ii grub-common 1.99~rc1-1 GRand Unified Bootloader, version
ii libc6 2.11.2-9 Embedded GNU C Library: Shared lib
ii libdevmapper1.02.1 2:1.02.48-4 The Linux Kernel Device Mapper use
ii ucf 3.0025+nmu1 Update Configuration File: preserv
grub-pc recommends no packages.
Versions of packages grub-pc suggests:
pn desktop-base <none> (no description available)
-- 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=""
GRUB_CMDLINE_LINUX=""
-- debconf information:
grub2/kfreebsd_cmdline:
* grub2/device_map_regenerated:
grub-pc/linux_cmdline: fillme
* grub2/linux_cmdline:
* grub-pc/install_devices_empty: true
* grub-pc/install_devices_failed: true
grub-pc/chainload_from_menu.lst: true
grub-pc/kopt_extracted: false
* grub-pc/install_devices:
grub-pc/postrm_purge_boot_grub: false
grub-pc/install_devices_failed_upgrade: true
grub-pc/disk_description:
grub2/kfreebsd_cmdline_default: quiet
grub-pc/partition_description:
grub-pc/install_devices_disks_changed:
* grub2/linux_cmdline_default:
grub-pc/mixed_legacy_and_grub2: true
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