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Groups > linux.debian.user > #180139

Re: Possibly erroneous "device not present" message during boot

From Richard Owlett <rowlett@cloud85.net>
Newsgroups linux.debian.user
Subject Re: Possibly erroneous "device not present" message during boot
Date 2017-04-14 20:40 +0200
Message-ID <tweit-4wE-1@gated-at.bofh.it> (permalink)
References <tvotB-3N9-37@gated-at.bofh.it> <tvpSF-4v9-1@gated-at.bofh.it> <tvsdP-64C-3@gated-at.bofh.it> <twdw5-404-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 04/14/2017 12:24 PM, Brian wrote:
> On Wed 12 Apr 2017 at 10:14:59 -0500, Richard Owlett wrote:
>
>> On 04/12/2017 07:39 AM, songbird wrote:
>>>
>>> - the bios may not be set correctly to find the device.
>>
>> I do not see how the bios might be involved.
>> Grub2 has been installed to the MBR of /dev/sda .
>> The only known reference to Grub2 is in the instance of Debian residing on
>> /dev/sda1 .
>
> Everything GRUB knows about devices comes from what the BIOS tells it.
> They are more than just good friends. :)
>
> It appears from 'ls' at a GRUB prompt that your GRUB does not know about
> your SD card. Booting takes place but GRUB takes its time to think about
> what it should do about not finding something it has been told to search
> for. In the end, it decides to go ahead, but in some cases it wouldn't.
> That would dispel your present mood of happiness.
>
> While we are it it: your update-grub stanza does not contain a line with
> set root=" in it. Could this possibly be a copy and paste error? I ask
> because the line is present on Jessie and testing when the device is a
> USB stick.
>

Just to eliminate any source of copy errors, here is the full contents 
of grub.cfg created just prior to my most recent post 
(https://lists.debian.org/debian-user/2017/04/msg00468.html). It refers 
to the 2 new installs I mentioned in that post.



<begin paste>
#
# 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
}

if [ x$feature_default_font_path = xy ] ; then
    font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos1'
if [ x$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 
8fe2965b-01ed-4227-9155-bc3e47ddf077
else
   search --no-floppy --fs-uuid --set=root 
8fe2965b-01ed-4227-9155-bc3e47ddf077
fi
     font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
   set gfxmode=auto
   load_video
   insmod gfxterm
   set locale_dir=$prefix/locale
   set lang=en_US
   insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
   set timeout=-1
else
   if [ x$feature_timeout_style = xy ] ; then
     set timeout_style=menu
     set timeout=5
   # Fallback normal timeout code in case the timeout_style feature is
   # unavailable.
   else
     set timeout=5
   fi
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
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 
8fe2965b-01ed-4227-9155-bc3e47ddf077
else
   search --no-floppy --fs-uuid --set=root 
8fe2965b-01ed-4227-9155-bc3e47ddf077
fi
insmod png
if background_image /usr/share/images/desktop-base/lines-grub.png; then
   set color_normal=white/black
   set color_highlight=black/white
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 ###
function gfxmode {
	set gfxpayload="${1}"
}
set linux_gfx_mode=
export linux_gfx_mode
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class 
gnu --class os $menuentry_id_option 
'gnulinux-simple-8fe2965b-01ed-4227-9155-bc3e47ddf077' {
	load_video
	insmod gzio
	if [ x$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 
8fe2965b-01ed-4227-9155-bc3e47ddf077
	else
	  search --no-floppy --fs-uuid --set=root 
8fe2965b-01ed-4227-9155-bc3e47ddf077
	fi
	echo	'Loading Linux 3.16.0-4-686-pae ...'
	linux	/boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=8fe2965b-01ed-4227-9155-bc3e47ddf077 ro  quiet
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-3.16.0-4-686-pae
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option 
'gnulinux-advanced-8fe2965b-01ed-4227-9155-bc3e47ddf077' {
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae' --class 
debian --class gnu-linux --class gnu --class os $menuentry_id_option 
'gnulinux-3.16.0-4-686-pae-advanced-8fe2965b-01ed-4227-9155-bc3e47ddf077' {
		load_video
		insmod gzio
		if [ x$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 
8fe2965b-01ed-4227-9155-bc3e47ddf077
		else
		  search --no-floppy --fs-uuid --set=root 
8fe2965b-01ed-4227-9155-bc3e47ddf077
		fi
		echo	'Loading Linux 3.16.0-4-686-pae ...'
		linux	/boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=8fe2965b-01ed-4227-9155-bc3e47ddf077 ro  quiet
		echo	'Loading initial ramdisk ...'
		initrd	/boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (recovery 
mode)' --class debian --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'gnulinux-3.16.0-4-686-pae-recovery-8fe2965b-01ed-4227-9155-bc3e47ddf077' {
		load_video
		insmod gzio
		if [ x$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 
8fe2965b-01ed-4227-9155-bc3e47ddf077
		else
		  search --no-floppy --fs-uuid --set=root 
8fe2965b-01ed-4227-9155-bc3e47ddf077
		fi
		echo	'Loading Linux 3.16.0-4-686-pae ...'
		linux	/boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=8fe2965b-01ed-4227-9155-bc3e47ddf077 ro single
		echo	'Loading initial ramdisk ...'
		initrd	/boot/initrd.img-3.16.0-4-686-pae
	}
}

### 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 ###
menuentry 'Debian GNU/Linux (8.6) (on /dev/mmcblk0p1)' --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'osprober-gnulinux-simple-e57b2c64-74ec-4184-af71-d807e07f07dd' {
	insmod part_msdos
	insmod ext2
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
	else
	  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
	fi
	linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=e57b2c64-74ec-4184-af71-d807e07f07dd ro quiet
	initrd /boot/initrd.img-3.16.0-4-686-pae
}
submenu 'Advanced options for Debian GNU/Linux (8.6) (on 
/dev/mmcblk0p1)' $menuentry_id_option 
'osprober-gnulinux-advanced-e57b2c64-74ec-4184-af71-d807e07f07dd' {
	menuentry 'Debian GNU/Linux (on /dev/mmcblk0p1)' --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--e57b2c64-74ec-4184-af71-d807e07f07dd' 
{
		insmod part_msdos
		insmod ext2
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		else
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=e57b2c64-74ec-4184-af71-d807e07f07dd ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (on 
/dev/mmcblk0p1)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--e57b2c64-74ec-4184-af71-d807e07f07dd' 
{
		insmod part_msdos
		insmod ext2
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		else
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=e57b2c64-74ec-4184-af71-d807e07f07dd ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (recovery 
mode) (on /dev/mmcblk0p1)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae-root=UUID=e57b2c64-74ec-4184-af71-d807e07f07dd 
ro single-e57b2c64-74ec-4184-af71-d807e07f07dd' {
		insmod part_msdos
		insmod ext2
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		else
		  search --no-floppy --fs-uuid --set=root 
e57b2c64-74ec-4184-af71-d807e07f07dd
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=e57b2c64-74ec-4184-af71-d807e07f07dd ro single
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
}

menuentry 'Debian GNU/Linux (8.6) (on /dev/sda6)' --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'osprober-gnulinux-simple-fa0b46ca-f75a-44a3-959e-d4a7f490c099' {
	insmod part_msdos
	insmod ext2
	set root='hd0,msdos6'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 
--hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
	else
	  search --no-floppy --fs-uuid --set=root 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
	fi
	linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fa0b46ca-f75a-44a3-959e-d4a7f490c099 ro quiet
	initrd /boot/initrd.img-3.16.0-4-686-pae
}
submenu 'Advanced options for Debian GNU/Linux (8.6) (on /dev/sda6)' 
$menuentry_id_option 
'osprober-gnulinux-advanced-fa0b46ca-f75a-44a3-959e-d4a7f490c099' {
	menuentry 'Debian GNU/Linux (on /dev/sda6)' --class gnu-linux --class 
gnu --class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--fa0b46ca-f75a-44a3-959e-d4a7f490c099' 
{
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 
--hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		else
		  search --no-floppy --fs-uuid --set=root 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fa0b46ca-f75a-44a3-959e-d4a7f490c099 ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (on 
/dev/sda6)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--fa0b46ca-f75a-44a3-959e-d4a7f490c099' 
{
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 
--hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		else
		  search --no-floppy --fs-uuid --set=root 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fa0b46ca-f75a-44a3-959e-d4a7f490c099 ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (recovery 
mode) (on /dev/sda6)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae-root=UUID=fa0b46ca-f75a-44a3-959e-d4a7f490c099 
ro single-fa0b46ca-f75a-44a3-959e-d4a7f490c099' {
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos6'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos6 
--hint-efi=hd0,msdos6 --hint-baremetal=ahci0,msdos6 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		else
		  search --no-floppy --fs-uuid --set=root 
fa0b46ca-f75a-44a3-959e-d4a7f490c099
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fa0b46ca-f75a-44a3-959e-d4a7f490c099 ro single
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
}

menuentry 'Debian GNU/Linux (8.6) (on /dev/sda7)' --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'osprober-gnulinux-simple-80d5963a-80b8-408c-8514-dbd0f15b9aed' {
	insmod part_msdos
	insmod ext2
	set root='hd0,msdos7'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 
--hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 
80d5963a-80b8-408c-8514-dbd0f15b9aed
	else
	  search --no-floppy --fs-uuid --set=root 
80d5963a-80b8-408c-8514-dbd0f15b9aed
	fi
	linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=80d5963a-80b8-408c-8514-dbd0f15b9aed ro quiet
	initrd /boot/initrd.img-3.16.0-4-686-pae
}
submenu 'Advanced options for Debian GNU/Linux (8.6) (on /dev/sda7)' 
$menuentry_id_option 
'osprober-gnulinux-advanced-80d5963a-80b8-408c-8514-dbd0f15b9aed' {
	menuentry 'Debian GNU/Linux (on /dev/sda7)' --class gnu-linux --class 
gnu --class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--80d5963a-80b8-408c-8514-dbd0f15b9aed' 
{
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos7'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 
--hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		else
		  search --no-floppy --fs-uuid --set=root 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=80d5963a-80b8-408c-8514-dbd0f15b9aed ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (on 
/dev/sda7)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--80d5963a-80b8-408c-8514-dbd0f15b9aed' 
{
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos7'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 
--hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		else
		  search --no-floppy --fs-uuid --set=root 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=80d5963a-80b8-408c-8514-dbd0f15b9aed ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (recovery 
mode) (on /dev/sda7)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae-root=UUID=80d5963a-80b8-408c-8514-dbd0f15b9aed 
ro single-80d5963a-80b8-408c-8514-dbd0f15b9aed' {
		insmod part_msdos
		insmod ext2
		set root='hd0,msdos7'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos7 
--hint-efi=hd0,msdos7 --hint-baremetal=ahci0,msdos7 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		else
		  search --no-floppy --fs-uuid --set=root 
80d5963a-80b8-408c-8514-dbd0f15b9aed
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=80d5963a-80b8-408c-8514-dbd0f15b9aed ro single
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
}

menuentry 'Debian GNU/Linux (8.6) (on /dev/sdb1)' --class gnu-linux 
--class gnu --class os $menuentry_id_option 
'osprober-gnulinux-simple-fc15bc26-df3c-42d4-a646-c903ffc188b6' {
	insmod part_msdos
	insmod ext2
	set root='hd1,msdos1'
	if [ x$feature_platform_search_hint = xy ]; then
	  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 
--hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 
fc15bc26-df3c-42d4-a646-c903ffc188b6
	else
	  search --no-floppy --fs-uuid --set=root 
fc15bc26-df3c-42d4-a646-c903ffc188b6
	fi
	linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fc15bc26-df3c-42d4-a646-c903ffc188b6 ro quiet
	initrd /boot/initrd.img-3.16.0-4-686-pae
}
submenu 'Advanced options for Debian GNU/Linux (8.6) (on /dev/sdb1)' 
$menuentry_id_option 
'osprober-gnulinux-advanced-fc15bc26-df3c-42d4-a646-c903ffc188b6' {
	menuentry 'Debian GNU/Linux (on /dev/sdb1)' --class gnu-linux --class 
gnu --class os $menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--fc15bc26-df3c-42d4-a646-c903ffc188b6' 
{
		insmod part_msdos
		insmod ext2
		set root='hd1,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 
--hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		else
		  search --no-floppy --fs-uuid --set=root 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fc15bc26-df3c-42d4-a646-c903ffc188b6 ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (on 
/dev/sdb1)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae--fc15bc26-df3c-42d4-a646-c903ffc188b6' 
{
		insmod part_msdos
		insmod ext2
		set root='hd1,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 
--hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		else
		  search --no-floppy --fs-uuid --set=root 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fc15bc26-df3c-42d4-a646-c903ffc188b6 ro quiet
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
	menuentry 'Debian GNU/Linux, with Linux 3.16.0-4-686-pae (recovery 
mode) (on /dev/sdb1)' --class gnu-linux --class gnu --class os 
$menuentry_id_option 
'osprober-gnulinux-/boot/vmlinuz-3.16.0-4-686-pae-root=UUID=fc15bc26-df3c-42d4-a646-c903ffc188b6 
ro single-fc15bc26-df3c-42d4-a646-c903ffc188b6' {
		insmod part_msdos
		insmod ext2
		set root='hd1,msdos1'
		if [ x$feature_platform_search_hint = xy ]; then
		  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 
--hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		else
		  search --no-floppy --fs-uuid --set=root 
fc15bc26-df3c-42d4-a646-c903ffc188b6
		fi
		linux /boot/vmlinuz-3.16.0-4-686-pae 
root=UUID=fc15bc26-df3c-42d4-a646-c903ffc188b6 ro single
		initrd /boot/initrd.img-3.16.0-4-686-pae
	}
}

### 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 ###
<end paste>

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Thread

Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-12 13:20 +0200
  Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-12 14:50 +0200
    Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-12 17:20 +0200
      Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-12 19:20 +0200
        Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-12 20:40 +0200
          Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-12 21:10 +0200
            Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-13 13:50 +0200
              Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-13 17:50 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-13 19:40 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-13 20:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-14 01:20 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-14 19:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-14 20:40 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-15 18:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 20:10 +0200
                Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-15 20:20 +0200
                Re: customized Grub (was: Possibly erroneous "device not present...) Felix Miata <mrmazda@earthlink.net> - 2017-04-15 21:00 +0200
                Re: customized Grub (was: Possibly erroneous "device not present...) Brian <ad44@cityscape.co.uk> - 2017-04-15 21:20 +0200
                Re: customized Grub Richard Owlett <rowlett@cloud85.net> - 2017-04-15 22:40 +0200
                Re: customized Grub Curt <curty@free.fr> - 2017-04-16 11:40 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 00:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-17 21:10 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-18 00:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-18 00:40 +0200
                Re: Possibly erroneous "device not present" message during boot Lisi Reisz <lisi.reisz@gmail.com> - 2017-04-18 00:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-18 20:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-18 20:50 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-18 21:30 +0200
                Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-15 02:20 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 02:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 11:10 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 16:40 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 19:20 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-15 20:20 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 23:20 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 23:00 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-16 00:00 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-17 03:40 +0200
                Re: Possibly erroneous "device not present" message during boot Curt <curty@free.fr> - 2017-04-17 10:50 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-17 21:10 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-18 20:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-18 21:20 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-19 00:20 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-19 00:30 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-19 20:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-19 21:40 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-19 22:20 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 13:50 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-22 19:00 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 20:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 20:20 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-22 20:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 21:10 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-22 23:30 +0200
                Re: Possibly erroneous "device not present" message during boot Doug <dmcgarrett@optonline.net> - 2017-04-15 21:30 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 22:20 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 13:10 +0200
                Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-15 16:10 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 19:30 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 19:30 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 19:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-15 21:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 21:40 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 03:40 +0200
                Re: Possibly erroneous "device not present" message during boot GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-04-17 23:20 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-18 00:30 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-16 16:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-16 17:10 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-13 19:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-13 21:10 +0200
          Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-12 21:30 +0200
            Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-13 13:50 +0200
          Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-12 21:30 +0200
            Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-13 17:20 +0200
              Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-13 18:30 +0200
          Re: Possibly erroneous "device not present" message during boot GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-04-17 22:50 +0200
            Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-18 21:00 +0200
              Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-18 21:50 +0200
                Re: Possibly erroneous "device not present" message during boot The Wanderer <wanderer@fastmail.fm> - 2017-04-19 05:50 +0200
                Re: Possibly erroneous "device not present" message during boot GiaThnYgeia <GiaThnYgeia@openmailbox.org> - 2017-04-19 09:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-19 20:30 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-22 00:20 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-22 15:50 +0200
        Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-12 21:00 +0200
          Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-13 18:00 +0200
            Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-14 20:00 +0200
              Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-14 20:50 +0200
      Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-14 19:50 +0200
        Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-14 20:40 +0200
          Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 12:50 +0200
            Re: Possibly erroneous "device not present" message during boot songbird <songbird@anthive.com> - 2017-04-15 16:10 +0200
            Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-15 19:00 +0200
              Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 19:30 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-15 20:10 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-15 21:00 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-15 23:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-16 00:30 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-20 04:20 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-20 08:00 +0200
                Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-20 17:20 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 15:00 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-22 15:40 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-22 15:50 +0200
                Re: Possibly erroneous "device not present" message during boot Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-04-22 16:00 +0200
                Re: Possibly erroneous "device not present" message during boot Richard Owlett <rowlett@cloud85.net> - 2017-04-22 16:50 +0200
                Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-27 18:20 +0200
  Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-23 21:50 +0200
    Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-24 20:40 +0200
      Re: Possibly erroneous "device not present" message during boot David Wright <deblis@lionunicorn.co.uk> - 2017-04-24 22:20 +0200
        Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-04-25 15:10 +0200
          Re: Possibly erroneous "device not present" message during boot Brian <ad44@cityscape.co.uk> - 2017-05-04 19:20 +0200

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