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Re: on booting my vm I get grub> prompt instead of menu
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From: |
John Covici |
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Subject: |
Re: on booting my vm I get grub> prompt instead of menu |
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Date: |
Fri, 27 Jul 2018 16:55:23 -0400 |
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User-agent: |
Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (Gojō) APEL/10.8 EasyPG/1.0.0 Emacs/26 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) |
OK, so I found the script, its kind of broke, but here are the
results.
Note that the fstab it is giving you is the wrong one, because it
could not mount the lvm volumes. That should make no difference in
the boot, unless I am missing something.
Boot Info Script 0.61 [1 April 2012]
============================= Boot Info Summary: ===============================
=> Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of
the same hard drive for core.img. core.img is at this location and looks
in partition 135 for .
sda1: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files: /grub/grub.cfg
sda2: __________________________________________________________________________
File system: LVM2_member
Boot sector type: -
Boot sector info:
testvm-root': __________________________________________________________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
testvm-usr': ___________________________________________________________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
mount: unknown filesystem type ''
testvm-var': ___________________________________________________________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
mount: unknown filesystem type ''
mount: unknown filesystem type ''
testvm-home': __________________________________________________________________
File system:
Boot sector type: Unknown
Boot sector info:
Mounting failed: mount: unknown filesystem type ''
mount: unknown filesystem type ''
mount: unknown filesystem type ''
mount: unknown filesystem type ''
sdb: ___________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
sdc: ___________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Debian GNU/Linux 8
Boot files: /boot/grub/grub.cfg /etc/fstab
============================ Drive/Partition Info: =============================
Drive: sda _____________________________________________________________________
Disk /dev/sda: 75.8 GiB, 81335943168 bytes, 158859264 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Partition Boot Start Sector End Sector # of Sectors Id System
/dev/sda1 2,048 2,099,199 2,097,152 83 Linux
/dev/sda2 2,099,200 158,859,263 156,760,064 83 Linux
"blkid" output: ________________________________________________________________
Device UUID TYPE LABEL
/dev/mapper/testvm-home 8deb7960-9cc3-4be7-9a0a-c47d0b38453f ext4 home
/dev/mapper/testvm-root 0f95abc0-6c0e-46fc-9049-a559602bf1ed ext4 root
/dev/mapper/testvm-usr 294f89f2-9384-4d6b-895c-2389505b1251 ext4 usr
/dev/mapper/testvm-var f881c143-49ae-4d51-a7be-1433aa2fd282 ext4 var
/dev/sda1 9cf3da0c-6013-483a-a5aa-705bd243783b ext4 boot
/dev/sda2 FAy4v2-mD5R-5qCY-xaxR-nQUg-aNf1-widr3D LVM2_member
/dev/sdb 3b646360-6f21-4e41-bcfc-b13465e21dff swap
/dev/sdc b52e6e84-3d77-4ec1-a69e-38af31db8674 ext4
========================= "ls -R /dev/mapper/" output: =========================
/dev/mapper:
control
testvm-home
testvm-root
testvm-usr
testvm-var
================================ Mount points: =================================
Device Mount_Point Type Options
/dev/mapper/testvm-home /home ext4
(rw,relatime,data=ordered)
/dev/mapper/testvm-root / ext4
(rw,relatime,errors=remount-ro,data=ordered)
/dev/mapper/testvm-usr /usr ext4
(rw,relatime,data=ordered)
/dev/mapper/testvm-var /var ext4
(rw,relatime,data=ordered)
/dev/sda1 /boot ext4 (rw,relatime,data=ordered)
============================= sda1/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 $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
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 {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
serial --speed=19200 --unit=0 --word=8 --parity=no --stop=1
terminal_input serial
terminal_output serial
if [ "${recordfail}" = 1 ] ; then
set timeout=-1
else
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=10
fi
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
}
set linux_gfx_mode=text
export linux_gfx_mode
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu
--class os $menuentry_id_option
'gnulinux-simple-0f95abc0-6c0e-46fc-9049-a559602bf1ed' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1
--hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1
9cf3da0c-6013-483a-a5aa-705bd243783b
else
search --no-floppy --fs-uuid --set=root
9cf3da0c-6013-483a-a5aa-705bd243783b
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /vmlinuz-3.16.0-6-amd64 root=/dev/mapper/testvm-root ro
console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /initrd.img-3.16.0-6-amd64
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option
'gnulinux-advanced-0f95abc0-6c0e-46fc-9049-a559602bf1ed' {
menuentry 'Debian GNU/Linux, with Linux 3.16.0-6-amd64' --class debian
--class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.16.0-6-amd64-advanced-0f95abc0-6c0e-46fc-9049-a559602bf1ed' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio;
fi
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1
9cf3da0c-6013-483a-a5aa-705bd243783b
else
search --no-floppy --fs-uuid --set=root
9cf3da0c-6013-483a-a5aa-705bd243783b
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /vmlinuz-3.16.0-6-amd64 root=/dev/mapper/testvm-root ro
console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /initrd.img-3.16.0-6-amd64
}
menuentry 'Debian GNU/Linux, with Linux 3.16.0-6-amd64 (recovery mode)'
--class debian --class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.16.0-6-amd64-recovery-0f95abc0-6c0e-46fc-9049-a559602bf1ed' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio;
fi
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root
--hint-bios=hd0,msdos1 --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1
9cf3da0c-6013-483a-a5aa-705bd243783b
else
search --no-floppy --fs-uuid --set=root
9cf3da0c-6013-483a-a5aa-705bd243783b
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /vmlinuz-3.16.0-6-amd64 root=/dev/mapper/testvm-root ro
single console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /initrd.img-3.16.0-6-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/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### 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 ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
=================== sda1: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
=========================== sdc/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 $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
if [ "${next_entry}" ] ; then
set default="${next_entry}"
set next_entry=
save_env next_entry
set boot_once=true
else
set default="0"
fi
if [ x"${feature_menuentry_id}" = xy ]; then
menuentry_id_option="--id"
else
menuentry_id_option=""
fi
export menuentry_id_option
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 {
if [ x$feature_all_video_module = xy ]; then
insmod all_video
else
insmod efi_gop
insmod efi_uga
insmod ieee1275_fb
insmod vbe
insmod vga
insmod video_bochs
insmod video_cirrus
fi
}
serial --speed=19200 --unit=0 --word=8 --parity=no --stop=1
terminal_input serial
terminal_output serial
if [ "${recordfail}" = 1 ] ; then
set timeout=-1
else
if [ x$feature_timeout_style = xy ] ; then
set timeout_style=menu
set timeout=10
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=10
fi
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
}
set linux_gfx_mode=text
export linux_gfx_mode
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu
--class os $menuentry_id_option
'gnulinux-simple-b52e6e84-3d77-4ec1-a69e-38af31db8674' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod ext2
set root='hd0'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0
--hint-efi=hd0 --hint-baremetal=ahci0 b52e6e84-3d77-4ec1-a69e-38af31db8674
else
search --no-floppy --fs-uuid --set=root
b52e6e84-3d77-4ec1-a69e-38af31db8674
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /boot/vmlinuz-3.16.0-6-amd64 root=/dev/sda ro
console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.16.0-6-amd64
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option
'gnulinux-advanced-b52e6e84-3d77-4ec1-a69e-38af31db8674' {
menuentry 'Debian GNU/Linux, with Linux 3.16.0-6-amd64' --class debian
--class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.16.0-6-amd64-advanced-b52e6e84-3d77-4ec1-a69e-38af31db8674' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio;
fi
insmod part_msdos
insmod ext2
set root='hd0'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0
--hint-efi=hd0 --hint-baremetal=ahci0 b52e6e84-3d77-4ec1-a69e-38af31db8674
else
search --no-floppy --fs-uuid --set=root
b52e6e84-3d77-4ec1-a69e-38af31db8674
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /boot/vmlinuz-3.16.0-6-amd64 root=/dev/sda ro
console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.16.0-6-amd64
}
menuentry 'Debian GNU/Linux, with Linux 3.16.0-6-amd64 (recovery mode)'
--class debian --class gnu-linux --class gnu --class os $menuentry_id_option
'gnulinux-3.16.0-6-amd64-recovery-b52e6e84-3d77-4ec1-a69e-38af31db8674' {
gfxmode $linux_gfx_mode
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio;
fi
insmod part_msdos
insmod ext2
set root='hd0'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0
--hint-efi=hd0 --hint-baremetal=ahci0 b52e6e84-3d77-4ec1-a69e-38af31db8674
else
search --no-floppy --fs-uuid --set=root
b52e6e84-3d77-4ec1-a69e-38af31db8674
fi
echo 'Loading Linux 3.16.0-6-amd64 ...'
linux /boot/vmlinuz-3.16.0-6-amd64 root=/dev/sda ro single
console=ttyS0,19200n8 net.ifnames=0
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-3.16.0-6-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/30_os-prober ###
### END /etc/grub.d/30_os-prober ###
### BEGIN /etc/grub.d/30_uefi-firmware ###
### END /etc/grub.d/30_uefi-firmware ###
### 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 ${config_directory}/custom.cfg ]; then
source ${config_directory}/custom.cfg
elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then
source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###
--------------------------------------------------------------------------------
================================ sdc/etc/fstab: ================================
--------------------------------------------------------------------------------
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/sda / ext4 errors=remount-ro 0 1
/dev/sdb none swap defaults 0 0
--------------------------------------------------------------------------------
==================== sdc: Location of files loaded by Grub: ====================
GiB - GB File Fragment(s)
======================== Unknown MBRs/Boot Sectors/etc: ========================
Unknown BootLoader on testvm-root'
Unknown BootLoader on testvm-usr'
Unknown BootLoader on testvm-var'
Unknown BootLoader on testvm-home'
=============================== StdErr Messages: ===============================
cat: /tmp/BootInfo-Kke8avqB/Tmp_Log: No such file or directory
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
hexdump: /dev/mapper/testvm-root': No such file or directory
hexdump: /dev/mapper/testvm-root': No such file or directory
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
hexdump: /dev/mapper/testvm-usr': No such file or directory
hexdump: /dev/mapper/testvm-usr': No such file or directory
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
hexdump: /dev/mapper/testvm-var': No such file or directory
hexdump: /dev/mapper/testvm-var': No such file or directory
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
One or more specified logical volume(s) not found.
hexdump: /dev/mapper/testvm-home': No such file or directory
hexdump: /dev/mapper/testvm-home': No such file or directory
cat: /tmp/BootInfo-Kke8avqB/Tmp_Log: No such file or directory
fstab
Description: Text document
On Fri, 27 Jul 2018 14:09:14 -0400,
Pascal Hambourg wrote:
>
> Hello,
>
> Le 27/07/2018 à 16:01, John Covici a écrit :
> >
> > I have a vm at linode -- I don't know if that makes any difference,
> > but I thought to mention it. Now in this vm, I have installed grub on
> > /dev/sda and while doing this /dev/sda1 was mounted on /boot.
> > grub-mkconfig was successful. /dev/sda2 contains a number of lvm
> > volumes one of which is the root volume specified in the kernel. What
> > happens is when I boot up the system, I have to access the serial
> > console which I can do to see what is happening and I get just a grub>
> > prompt. Now if I type exit, it says booting from hard disk and I get
> > the menu and things boot normally.
> >
> > Can someone help me figure out why this is happening and how to fix?
> > I am using Debian 8 on that vm. Let me know if you need more information.
>
> For diagnosis, you can install boot-info-script and run bootinfoscript.
>
> _______________________________________________
> Help-grub mailing list
> address@hidden
> https://lists.gnu.org/mailman/listinfo/help-grub
>
--
Your life is like a penny. You're going to lose it. The question is:
How do
you spend it?
John Covici wb2una
address@hidden