Bug#629601: grub-pc: warns against partition install on lenny->sqeeze

Ross Boylan ross at biostat.ucsf.edu
Wed Jun 8 00:12:38 UTC 2011


Package: grub-pc
Version: 1.98+20100804-14
Severity: normal

I upgraded a system from lenny to squeeze, accepting the chain loading
option (Im pretty sure; also seems consistent with debconf setting
below).  The disk filled during the upgrade, either after or during
the grub update (see transcript below).  I cleared room and ran 
dpkg --configure -a.
After this dealt with many other packages it said
<quote>
The grub-pc package is being upgraded. This menu allows you to select
which devices you'd like grub-install to be automatically run for, if
any. 
</quote>
This had lots of warnings that installing onto a partition was a bad
idea; I selected it anyway and got more warnings.

I have not attempted to reboot.  All operations were inside a VM.

I assumed that chain loading involved putting grub2 on a partition;
perhaps that assumption is wrong.  At any rate, I was not sure what to
do when asked where to install grub2.

I am submitting this report for 3 reasons:
1) It may be an error for the "where to install" dialog to come up
after chain loading is selected.
If it is not...
2) The advice to chain load in the release notes and debconf queries
about chain loading seems at odds with the warnings that installing
onto a partition is not a good idea.  The various messages and advice
may need to be rewritten to be consistent.
3) If chain loading does not involve installing onto a partition, that
might be worth explaining somewhere.

It is also possible some of the strangeness arose from the disk
filling up.

Here's the transcript of the first part of the install, when the disk
filled:

<terminal>
Setting up grub-common (1.98+20100804-14) ...
Setting up grub-pc (1.98+20100804-14) ...
Removing update-grub hooks from /etc/kernel-img.conf in favour of
/etc/kernel/ hooks.

Creating config file /etc/default/grub with new version
Generating core.img
Saving menu.lst backup in
/boot/grub/menu.lst_backup_by_grub2_postinst
Running update-grub Legacy to hook our core.img in it
    Searching for GRUB installation directory ... found: /boot/grub
    Searching for default file ... found: /boot/grub/default
    Testing for an existing GRUB menu.lst file ... found:
    /boot/grub/menu.lst
    Searching for splash image ... none found, skipping ...
    Found GRUB 2: /boot/grub/core.img
    Found kernel: /boot/vmlinuz-2.6.32-5-amd64
    Found kernel: /boot/vmlinuz-2.6.26-2-amd64
    Found kernel: /boot/vmlinuz-2.6.26-1-amd64
    Updating /boot/grub/menu.lst ... done
    
Traceback (most recent call last):
  File "/usr/sbin/update-apt-xapian-index", line 104, in <module>
    indexer.rebuild(opts.pkgfile)
  File "/usr/lib/pymodules/python2.6/axi/indexer.py", line 688, in
  rebuild
    self.buildIndex(dbdir, generator)
  File "/usr/lib/pymodules/python2.6/axi/indexer.py", line 664, in
  buildIndex
    db.add_document(doc)
xapian.DatabaseError: Error writing block: No space left on device
Generating grub.cfg ...
cat: write error: No space left on device
debconf: DbDriver "config": could not write
/var/cache/debconf/config.dat-new: No space left on device
dpkg: error processing grub-pc (--configure):
 subprocess installed post-installation script returned error exit
 status 1
dpkg: dependency problems prevent configuration of grub:
 grub depends on grub-pc; however:
  Package grub-pc is not configured yet.
dpkg: error processing grub (--configure):
 dependency problems - leaving unconfigured
Setting up libgnome-pilot2 (2.0.17-2) ...
dpkg: unrecoverable fatal error, aborting:
 unable to flush /var/lib/dpkg/updates/tmp.i after padding: No space
 left on device
E: Sub-process /usr/bin/dpkg returned an error code (2)
</terminal>



-- Package-specific info:

*********************** WARNING grub-setup left core.img in filesystem

*********************** BEGIN /proc/mounts
/dev/disk/by-uuid/ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac / ext3 rw,relatime,errors=remount-ro,data=ordered 0 0
*********************** END /proc/mounts

*********************** BEGIN /boot/grub/device.map
(hd0)	/dev/disk/by-id/ata-QEMU_HARDDISK_QM00001
(hd1)	/dev/disk/by-id/ata-QEMU_HARDDISK_QM00002
*********************** 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,msdos1)'
search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=640x480
  load_video
  insmod gfxterm
fi
terminal_output gfxterm
insmod part_msdos
insmod ext2
set root='(hd0,msdos1)'
search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
set locale_dir=($root)/boot/grub/locale
set lang=en
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-amd64' --class debian --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.32-5-amd64 ...'
	linux	/boot/vmlinuz-2.6.32-5-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro  quiet
	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 part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.32-5-amd64 ...'
	linux	/boot/vmlinuz-2.6.32-5-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-2.6.32-5-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.26-2-amd64' --class debian --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.26-2-amd64 ...'
	linux	/boot/vmlinuz-2.6.26-2-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro  quiet
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-2.6.26-2-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.26-2-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.26-2-amd64 ...'
	linux	/boot/vmlinuz-2.6.26-2-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-2.6.26-2-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.26-1-amd64' --class debian --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.26-1-amd64 ...'
	linux	/boot/vmlinuz-2.6.26-1-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro  quiet
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-2.6.26-1-amd64
}
menuentry 'Debian GNU/Linux, with Linux 2.6.26-1-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os {
	insmod part_msdos
	insmod ext2
	set root='(hd0,msdos1)'
	search --no-floppy --fs-uuid --set ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac
	echo	'Loading Linux 2.6.26-1-amd64 ...'
	linux	/boot/vmlinuz-2.6.26-1-amd64 root=UUID=ff4b7772-c0c8-44f9-a5e4-785df7f0d0ac ro single 
	echo	'Loading initial ramdisk ...'
	initrd	/boot/initrd.img-2.6.26-1-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/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: 6.0.1
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-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]   1.5.36.1         Debian configuration management sy
ii  grub-common             1.98+20100804-14 GRand Unified Bootloader, version 
ii  libc6                   2.11.2-10        Embedded GNU C Library: Shared lib
ii  libdevmapper1.02.1      2:1.02.48-5      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)

-- debconf information:
  grub2/kfreebsd_cmdline:
  grub2/device_map_regenerated:
* grub2/linux_cmdline:
  grub-pc/install_devices_empty: false
  grub-pc/install_devices_failed: false
* grub-pc/chainload_from_menu.lst: true
  grub-pc/kopt_extracted: true
* grub-pc/install_devices: /dev/disk/by-id/ata-QEMU_HARDDISK_QM00001-part1
  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: quiet
  grub-pc/mixed_legacy_and_grub2: true





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