Bug#549905: grub-pc: floppy seek after grub menu displayed

Arthur Marsh arthur.marsh at internode.on.net
Mon Oct 25 05:25:03 UTC 2010


Package: grub-pc
Version: 1.98+20100804-7
Severity: normal


Hi, after enjoying quiet boots for a while, I heard floppy seeks after the
grub menu had been displayed, perhaps due to my root filesystem not being 
visible to the BIOS (I have a 320GB hard drive but a BIOS with a 32GiB limit).
The /boot partition is visible to the BIOS, but grub may be attempting to
find the / partition's UUID by performing a floppy seek.

After the floppy seek, grub boots normally.

-- Package-specific info:

*********************** BEGIN /proc/mounts
/dev/disk/by-uuid/96c96a61-8615-4715-86d0-09cb8c62638c / ext3 rw,relatime,errors=remount-ro,barrier=0,data=ordered 0 0
/dev/hda1 /boot ext3 rw,relatime,errors=continue,barrier=0,data=ordered 0 0
/dev/hda6 /victoria vfat rw,relatime,uid=65534,gid=65534,fmask=0000,dmask=0000,allow_utime=0022,codepage=cp437,iocharset=utf8,shortname=mixed,errors=remount-ro 0 0
/dev/sda1 /scsic vfat rw,relatime,uid=65534,gid=65534,fmask=0000,dmask=0000,allow_utime=0022,codepage=cp437,iocharset=utf8,shortname=mixed,errors=remount-ro 0 0
/dev/sda5 /scsid vfat rw,relatime,uid=65534,gid=65534,fmask=0000,dmask=0000,allow_utime=0022,codepage=cp437,iocharset=utf8,shortname=mixed,errors=remount-ro 0 0
/dev/sdb1 /mnt/usb8gig vfat rw,nosuid,nodev,noexec,relatime,uid=65534,gid=65534,fmask=0000,dmask=0000,allow_utime=0022,codepage=cp437,iocharset=utf8,shortname=win95,flush,errors=remount-ro 0 0
*********************** END /proc/mounts

*********************** BEGIN /boot/grub/device.map
(hd0)	/dev/disk/by-id/ata-WDC_WD3200AAJB-00WGA0_WD-WCARW6960348
(hd1)	/dev/disk/by-id/ata-SAMSUNG_SP4002H_0462J1FT349824
(hd2)	/dev/disk/by-id/scsi-SIBM_DCAS-34330W_F3T92021
(hd3)	/dev/disk/by-id/usb-Flash_Drive_AU_USB2.0_OGUN4WMN-0:0
*********************** 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 $prefix/grubenv ]; then
  load_env
fi
set default="4"
if [ "${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,msdos7)'
search --no-floppy --fs-uuid --set 96c96a61-8615-4715-86d0-09cb8c62638c
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=1024x768x32
  load_video
  insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
set locale_dir=($root)/grub/locale
set lang=en
insmod gettext
if sleep --verbose --interruptible 5 ; then
  set timeout=5
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
insmod png
if background_image /grub/moreblue-orbit-grub.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 2.6.36' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36 ...'
	linux	/vmlinuz-2.6.36 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36 ...'
	linux	/vmlinuz-2.6.36 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-rc8-git4' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-rc8-git4 ...'
	linux	/vmlinuz-2.6.36-rc8-git4 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-rc8-git4
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-rc8-git4 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-rc8-git4 ...'
	linux	/vmlinuz-2.6.36-rc8-git4 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-rc8-git4
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-git5' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-git5 ...'
	linux	/vmlinuz-2.6.36-git5 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-git5
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-git5 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-git5 ...'
	linux	/vmlinuz-2.6.36-git5 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-git5
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-git1' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-git1 ...'
	linux	/vmlinuz-2.6.36-git1 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-git1
}
menuentry 'Debian GNU/Linux, with Linux 2.6.36-git1 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.36-git1 ...'
	linux	/vmlinuz-2.6.36-git1 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.36-git1
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.35 ...'
	linux	/vmlinuz-2.6.35 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.35
}
menuentry 'Debian GNU/Linux, with Linux 2.6.35 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.35 ...'
	linux	/vmlinuz-2.6.35 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.35
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-686' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.32-5-686 ...'
	linux	/vmlinuz-2.6.32-5-686 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro  
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.32-5-686
}
menuentry 'Debian GNU/Linux, with Linux 2.6.32-5-686 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	set gfxpayload=1024x768x32
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	echo	'Loading Linux 2.6.32-5-686 ...'
	linux	/vmlinuz-2.6.32-5-686 root=UUID=96c96a61-8615-4715-86d0-09cb8c62638c ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/initrd.img-2.6.32-5-686
}
### 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 ###
menuentry "Memory test (memtest86)" {
	linux16	/memtest86.bin
}
### END /etc/grub.d/20_memtest86 ###

### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+)" {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	linux16	/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	linux16	/memtest86+.bin console=ttyS0,115200n8
}
menuentry "Memory test (memtest86+, experimental multiboot)" {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	multiboot	/memtest86+_multiboot.bin
}
menuentry "Memory test (memtest86+, serial console 115200, experimental multiboot)" {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	multiboot	/memtest86+_multiboot.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/22_invaders ###
menuentry "GRUB Invaders" {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set bfdeb6d6-0b77-4beb-a63d-bdc3e455b8ea
	multiboot	/invaders.exec
}
### END /etc/grub.d/22_invaders ###

### 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'), (500, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.36-git5 (SMP w/1 CPU core; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages grub-pc depends on:
ii  debconf [debconf-2.0]  1.5.36            Debian configuration management sy
ii  grub-common            1.98+20100804-7   GRand Unified Bootloader, version 
ii  libc6                  2.11.2-6+squeeze1 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+nmu1       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=4
GRUB_TIMEOUT=5
GRUB_HIDDEN_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT=""
GRUB_CMDLINE_LINUX=""
GRUB_DISABLE_OS_PROBER="true"
GRUB_GFXMODE=1024x768x32
GRUB_GFXPAYLOAD_LINUX=1024x768x32
GRUB_DISABLE_OS_PROBER="true"


-- debconf-show failed





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