Bug#760148: grub-common: grub-mount hangs forever, trying to mount ext4 partition, causing 100% CPU load
Johannes Rohr
jorohr at gmail.com
Mon Sep 1 10:08:15 UTC 2014
Package: grub-common
Version: 2.02~beta2-11
Severity: important
Tags: d-i
I have an Arch Linux install on /dev/sda9.
When OS Prober is run, grub-mount /dev/sda9 /var/lib/os-prober/mount just hangs forever, causing 100% CPU load. There are no issues with other partitions, it seems.
Here are my partitions:
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x0a39d74a
Device Boot Start End Blocks Id System
/dev/sda1 2048 4196351 2097152 7 HPFS/NTFS/exFAT
/dev/sda2 * 4196352 339740671 167772160 7 HPFS/NTFS/exFAT
/dev/sda3 339740672 371197951 15728640 7 HPFS/NTFS/exFAT
/dev/sda4 371197952 1953523711 791162880 5 Extended
/dev/sda5 371200000 528486399 78643200 83 Linux
/dev/sda6 528488448 545265663 8388608 82 Linux swap / Solaris
/dev/sda7 545267712 1803558911 629145600 83 Linux
/dev/sda8 1803560960 1804584959 512000 83 Linux
/dev/sda9 1804587008 1953523711 74468352 83 Linux
Here is the output of dumpe2fs:
dumpe2fs 1.42.11 (09-Jul-2014)
Filesystem volume name: Arch Linux
Last mounted on: /
Filesystem UUID: 0c69c8b7-7766-4d34-9c7a-cdc3a94417f0
Filesystem magic number: 0xEF53
Filesystem revision #: 1 (dynamic)
Filesystem features: has_journal ext_attr resize_inode dir_index filetype extent flex_bg sparse_super large_file huge_file uninit_bg dir_nlink extra_isize
Filesystem flags: signed_directory_hash
Default mount options: user_xattr acl
Filesystem state: clean
Errors behavior: Continue
Filesystem OS type: Linux
Inode count: 4661248
Block count: 18617088
Reserved block count: 930854
Free blocks: 8160164
Free inodes: 4312299
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 1019
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 8192
Inode blocks per group: 512
Flex block group size: 16
Filesystem created: Sat Apr 5 09:32:23 2014
Last mount time: Mon Sep 1 11:31:31 2014
Last write time: Mon Sep 1 11:31:31 2014
Mount count: 129
Maximum mount count: -1
Last checked: Sat Apr 5 09:32:23 2014
Check interval: 0 (<none>)
Lifetime writes: 756 GB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 4a30a179-9df6-4d65-a1a8-3bb6d185e9d6
Journal backup: inode blocks
Journal features: journal_incompat_revoke
Journal size: 128M
Journal length: 32768
Journal sequence: 0x000cabe7
Journal start: 0
-- Package-specific info:
*********************** BEGIN /proc/mounts
/dev/disk/by-uuid/4ba7d001-60e1-4e5d-b936-0d74eda2e679 / ext3 rw,relatime,errors=remount-ro,data=ordered 0 0
/dev/sda7 /home ext4 rw,relatime,data=ordered 0 0
*********************** END /proc/mounts
*********************** 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 $prefix/grubenv ]; then
set have_grubenv=true
load_env
fi
set default="${saved_entry}"
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$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 4ba7d001-60e1-4e5d-b936-0d74eda2e679
else
search --no-floppy --fs-uuid --set=root 4ba7d001-60e1-4e5d-b936-0d74eda2e679
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=de_DE
insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
set timeout=-1
else
set timeout=5
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 4ba7d001-60e1-4e5d-b936-0d74eda2e679
else
search --no-floppy --fs-uuid --set=root 4ba7d001-60e1-4e5d-b936-0d74eda2e679
fi
insmod png
if background_image /usr/share/images/desktop-base/joy-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 $menuentry_id_option 'gnulinux-simple-4ba7d001-60e1-4e5d-b936-0d74eda2e679' {
savedefault
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 4ba7d001-60e1-4e5d-b936-0d74eda2e679
else
search --no-floppy --fs-uuid --set=root 4ba7d001-60e1-4e5d-b936-0d74eda2e679
fi
echo 'Linux 3.14-2-amd64 wird geladen …'
linux /boot/vmlinuz-3.14-2-amd64 root=UUID=4ba7d001-60e1-4e5d-b936-0d74eda2e679 ro quiet acpi_osi=Linux
echo 'Initiale Ramdisk wird geladen …'
initrd /boot/initrd.img-3.14-2-amd64
}
submenu 'Erweiterte Optionen für Debian GNU/Linux' $menuentry_id_option 'gnulinux-advanced-4ba7d001-60e1-4e5d-b936-0d74eda2e679' {
menuentry 'Debian GNU/Linux, mit Linux 3.14-2-amd64' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.14-2-amd64-advanced-4ba7d001-60e1-4e5d-b936-0d74eda2e679' {
savedefault
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 4ba7d001-60e1-4e5d-b936-0d74eda2e679
else
search --no-floppy --fs-uuid --set=root 4ba7d001-60e1-4e5d-b936-0d74eda2e679
fi
echo 'Linux 3.14-2-amd64 wird geladen …'
linux /boot/vmlinuz-3.14-2-amd64 root=UUID=4ba7d001-60e1-4e5d-b936-0d74eda2e679 ro quiet acpi_osi=Linux
echo 'Initiale Ramdisk wird geladen …'
initrd /boot/initrd.img-3.14-2-amd64
}
menuentry 'Debian GNU/Linux, with Linux 3.14-2-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-3.14-2-amd64-recovery-4ba7d001-60e1-4e5d-b936-0d74eda2e679' {
load_video
insmod gzio
insmod part_msdos
insmod ext2
set root='hd0,msdos5'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos5 --hint-efi=hd0,msdos5 --hint-baremetal=ahci0,msdos5 4ba7d001-60e1-4e5d-b936-0d74eda2e679
else
search --no-floppy --fs-uuid --set=root 4ba7d001-60e1-4e5d-b936-0d74eda2e679
fi
echo 'Linux 3.14-2-amd64 wird geladen …'
linux /boot/vmlinuz-3.14-2-amd64 root=UUID=4ba7d001-60e1-4e5d-b936-0d74eda2e679 ro single
echo 'Initiale Ramdisk wird geladen …'
initrd /boot/initrd.img-3.14-2-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/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 ###
### BEGIN /etc/grub.d/42_other ###
# 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.
menuentry 'Fedora' {
savedefault
set root=(hd0,msdos8)
configfile /grub2/grub.cfg
}
### END /etc/grub.d/42_other ###
*********************** END /boot/grub/grub.cfg
*********************** BEGIN /proc/mdstat
Personalities :
unused devices: <none>
*********************** END /proc/mdstat
*********************** BEGIN LVM
*********************** END LVM
*********************** BEGIN /dev/disk/by-id
total 0
lrwxrwxrwx 1 root root 9 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC -> ../../sda
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part4 -> ../../sda4
lrwxrwxrwx 1 root root 10 Sep 1 11:58 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part6 -> ../../sda6
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part7 -> ../../sda7
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part8 -> ../../sda8
lrwxrwxrwx 1 root root 10 Sep 1 11:34 ata-HGST_HTS721010A9E630_JG40006PGSK4GC-part9 -> ../../sda9
lrwxrwxrwx 1 root root 9 Sep 1 11:34 ata-MATSHITADVD-RAM_UJ892_HG97_464508 -> ../../sr0
lrwxrwxrwx 1 root root 9 Sep 1 11:34 wwn-0x5000cca6accab4e4 -> ../../sda
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part2 -> ../../sda2
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part3 -> ../../sda3
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part4 -> ../../sda4
lrwxrwxrwx 1 root root 10 Sep 1 11:58 wwn-0x5000cca6accab4e4-part5 -> ../../sda5
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part6 -> ../../sda6
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part7 -> ../../sda7
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part8 -> ../../sda8
lrwxrwxrwx 1 root root 10 Sep 1 11:34 wwn-0x5000cca6accab4e4-part9 -> ../../sda9
*********************** END /dev/disk/by-id
*********************** BEGIN /dev/disk/by-uuid
total 0
lrwxrwxrwx 1 root root 10 Sep 1 11:34 0c69c8b7-7766-4d34-9c7a-cdc3a94417f0 -> ../../sda9
lrwxrwxrwx 1 root root 10 Sep 1 11:34 24e194f9-8b51-43a2-a96c-519808dd692e -> ../../sda6
lrwxrwxrwx 1 root root 10 Sep 1 11:34 25c98b3c-8683-488d-b00b-8b493104be79 -> ../../sda7
lrwxrwxrwx 1 root root 10 Sep 1 11:58 4ba7d001-60e1-4e5d-b936-0d74eda2e679 -> ../../sda5
lrwxrwxrwx 1 root root 10 Sep 1 11:34 64F23464F2343C9C -> ../../sda3
lrwxrwxrwx 1 root root 10 Sep 1 11:34 CA300E62300E55BB -> ../../sda1
lrwxrwxrwx 1 root root 10 Sep 1 11:34 FAD61F8FD61F4B71 -> ../../sda2
lrwxrwxrwx 1 root root 10 Sep 1 11:34 da418035-d8dd-4431-9172-37ab828b2613 -> ../../sda8
*********************** END /dev/disk/by-uuid
-- System Information:
Debian Release: jessie/sid
APT prefers testing
APT policy: (990, 'testing'), (500, 'unstable'), (450, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 3.14-2-amd64 (SMP w/2 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages grub-common depends on:
ii gettext-base 0.19.2-1
ii libc6 2.19-9
ii libdevmapper1.02.1 2:1.02.88-1
ii libfreetype6 2.5.2-1.1
ii libfuse2 2.9.3-15
ii liblzma5 5.1.1alpha+20120614-2
ii libpng12-0 1.2.50-2
ii zlib1g 1:1.2.8.dfsg-1
Versions of packages grub-common recommends:
ii os-prober 1.64
Versions of packages grub-common suggests:
ii console-setup 1.111
ii desktop-base 7.0.3
pn grub-emu <none>
pn multiboot-doc <none>
pn xorriso <none>
-- no debconf information
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