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Old 03-13-2010, 05:30 PM
Marc Haber
 
Default Bug#573761: /usr/sbin/update-initramfs: misleading error message if crypto-root fs has snapshot

Package: initramfs-tools
Version: 0.93.4
Severity: normal
File: /usr/sbin/update-initramfs

Hi,

my system has its root FS on a crypted LV. Recently, before doing a
rather invasive update, I decided to take a snapshot of the root FS.
This confuses update-initramfs:

[29/526]mh@swivel:~/bigstuff/agent/running$ sudo lvcreate --snapshot --size 1G --name c_rootsnap /dev/swivel/c_root
Logical volume "c_rootsnap" created
[30/527]mh@swivel:~/bigstuff/agent/running$ sudo update-initramfs -k 2.6.33-zgws1 -u
update-initramfs: Generating /boot/initrd.img-2.6.33-zgws1
mkinitramfs: for root /dev/mapper/root missing dm- /sys/block/ entry
mkinitramfs: workaround is MODULES=most
mkinitramfs: Error please report the bug
update-initramfs: failed for /boot/initrd.img-2.6.33-zgws1
[31/528]mh@swivel:~/bigstuff/agent/running$ sudo lvremove /dev/mapper/swivel-c_rootsnap
Do you really want to remove active logical volume c_rootsnap? [y/n]: y
Logical volume "c_rootsnap" successfully removed
[32/529]mh@swivel:~/bigstuff/agent/running$ sudo update-initramfs -k 2.6.33-zgws1 -u
update-initramfs: Generating /boot/initrd.img-2.6.33-zgws1
W: mdadm: /etc/mdadm/mdadm.conf defines no arrays.
W: mdadm: no arrays defined in configuration file.
[33/530]mh@swivel:~/bigstuff/agent/running$

Greetings
Marc

-- Package-specific info:
-- /proc/cmdline
BOOT_IMAGE=/vmlinuz-2.6.33-zgws1 root=/dev/mapper/root ro resume=/dev/mapper/swap1 quiet splash hpet=force video=radeon:force_sleep,1400x1050-24@60

-- /proc/filesystems
ext3
udf
iso9660
vfat

-- lsmod
Module Size Used by
iwl3945 62453 0
iwlcore 75506 1 iwl3945
mac80211 106524 2 iwl3945,iwlcore
cfg80211 73546 3 iwl3945,iwlcore,mac80211
iptable_filter 1030 0
ipt_MASQUERADE 1130 8
iptable_nat 2798 1
nf_nat 10767 2 ipt_MASQUERADE,iptable_nat
nf_conntrack_ipv4 7663 3 iptable_nat,nf_nat
nf_defrag_ipv4 799 1 nf_conntrack_ipv4
ip_tables 7397 2 iptable_filter,iptable_nat
vfat 6820 0
fat 36008 1 vfat
isofs 25174 0
nls_utf8 928 0
udf 62456 0
usb_storage 29897 0
tun 8884 2
binfmt_misc 4883 1
rfcomm 25525 6
sco 6231 2
bnep 7203 2
l2cap 25549 16 rfcomm,bnep
crc16 1011 1 l2cap
vboxnetflt 10598 0
vboxnetadp 5186 0
vboxdrv 116590 2 vboxnetflt,vboxnetadp
nf_conntrack_netlink 12636 0
nf_conntrack 39683 5 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv 4,nf_conntrack_netlink
nfnetlink 1838 6 nf_conntrack_netlink
ipt_ULOG 4461 1
x_tables 9112 4 ipt_MASQUERADE,iptable_nat,ip_tables,ipt_ULOG
ppdev 4294 0
lp 5768 0
parport 12962 2 ppdev,lp
acpi_cpufreq 5055 1
cpufreq_powersave 606 0
cpufreq_userspace 1372 2
cpufreq_conservative 7036 0
cpufreq_ondemand 6169 0
freq_table 1743 2 acpi_cpufreq,cpufreq_ondemand
8021q 14027 0
bridge 35340 0
stp 1032 1 bridge
llc 2613 2 bridge,stp
ipv6 195862 38
sr_mod 11469 0
cdrom 25675 1 sr_mod
firewire_sbp2 9669 0
snd_hda_codec_analog 46653 1
snd_hda_intel 16009 4
btusb 8416 2
snd_hda_codec 42520 2 snd_hda_codec_analog,snd_hda_intel
snd_pcm_oss 28573 0
bluetooth 38935 9 rfcomm,sco,bnep,l2cap,btusb
snd_mixer_oss 11983 1 snd_pcm_oss
arc4 994 2
ecb 1489 2
snd_pcm 48251 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd_seq_dummy 959 0
snd_seq_oss 21024 0
radeon 543860 1
snd_seq_midi 3496 0
snd_rawmidi 13140 1 snd_seq_midi
snd_seq_midi_event 3968 2 snd_seq_oss,snd_seq_midi
pcmcia 23354 0
snd_seq 35503 6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_mid i_event
ttm 34114 1 radeon
sdhci_pci 5047 0
sdhci 11863 1 sdhci_pci
drm_kms_helper 18609 1 radeon
snd_timer 13290 2 snd_pcm,snd_seq
snd_seq_device 3965 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi ,snd_seq
firewire_ohci 17736 0
yenta_socket 8878 1
mmc_core 39316 1 sdhci
ata_generic 2063 0
drm 116981 3 radeon,ttm,drm_kms_helper
rtc_cmos 6858 0
i2c_i801 5880 0
snd 36436 19 snd_hda_codec_analog,snd_hda_intel,snd_hda_codec,s nd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_r awmidi,snd_seq,snd_timer,snd_seq_device
intel_agp 19857 0
rsrc_nonstatic 7483 1 yenta_socket
tg3 96667 0
rtc_core 9641 1 rtc_cmos
firewire_core 33273 2 firewire_sbp2,firewire_ohci
video 15566 0
firmware_class 5326 4 iwl3945,radeon,pcmcia,tg3
rtc_lib 1349 1 rtc_core
i2c_algo_bit 3715 1 radeon
pcmcia_core 22364 3 pcmcia,yenta_socket,rsrc_nonstatic
led_class 1873 1 sdhci
i2c_core 12538 5 radeon,drm_kms_helper,drm,i2c_i801,i2c_algo_bit
uhci_hcd 16188 0
rng_core 2398 0
ehci_hcd 26602 0
rfkill 11140 3 cfg80211,bluetooth
agpgart 20836 3 ttm,drm,intel_agp
soundcore 4143 1 snd
ata_piix 17129 0
crc_itu_t 1015 2 udf,firewire_core
libphy 12387 1 tg3
snd_page_alloc 5181 2 snd_hda_intel,snd_pcm
pcspkr 1259 0
psmouse 28437 0
output 1292 1 video
evdev 5985 16
ext3 87857 8
jbd 33535 1 ext3
mbcache 3990 1 ext3
sha256_generic 11161 18
aes_i586 6860 18
aes_generic 25762 1 aes_i586
cbc 1995 9
dm_crypt 8931 9
dm_mirror 10125 0
dm_region_hash 5776 1 dm_mirror
dm_log 7044 2 dm_mirror,dm_region_hash
dm_snapshot 24771 9
dm_mod 46734 73 dm_crypt,dm_mirror,dm_log,dm_snapshot
raid456 40328 0
async_raid6_recov 2806 1 raid456
async_pq 1392 2 raid456,async_raid6_recov
raid6_pq 77980 2 async_raid6_recov,async_pq
async_xor 865 3 raid456,async_raid6_recov,async_pq
xor 13829 1 async_xor
async_memcpy 586 2 raid456,async_raid6_recov
async_tx 1169 5 raid456,async_raid6_recov,async_pq,async_xor,async _memcpy
raid1 16725 0
md_mod 71947 2 raid456,raid1
sd_mod 22964 2
ahci 27304 2
libata 118304 3 ata_generic,ata_piix,ahci

-- /etc/kernel-img.conf
do_symlinks = no
relative_links = yes
do_bootloader = no
do_bootfloppy = no
do_initrd = yes
link_in_boot = no
postinst_hook = /usr/sbin/update-grub
postrm_hook = /usr/sbin/update-grub

-- /etc/initramfs-tools/initramfs.conf
MODULES=dep
BUSYBOX=y
KEYMAP=n
BOOT=local
DEVICE=eth0
NFSROOT=auto

-- /etc/crypttab
# <target device> <source device> <key file> <options>
root /dev/mapper/swivel-c_root none luks,keyscript=/etc/keyscript_swivel
boot /dev/mapper/swivel-c_boot none luks,keyscript=/etc/keyscript_swivel
swap0 /dev/mapper/swivel-c_swap0 none luks,keyscript=/etc/keyscript_swivel
usr /dev/mapper/swivel-c_usr none luks,keyscript=/etc/keyscript_swivel
var /dev/mapper/swivel-c_var none luks,keyscript=/etc/keyscript_swivel
home /dev/mapper/swivel-c_home none luks,keyscript=/etc/keyscript_swivel
bigstuff /dev/mapper/swivel-c_bigstuff none luks,keyscript=/etc/keyscript_swivel
vm /dev/mapper/swivel-c_vm none luks,keyscript=/etc/keyscript_swivel
scyw00225 /dev/mapper/swivel-c_scyw00225 none luks,keyscript=/etc/keyscript_swivel

-- /sys/block
dm-0
dm-1
dm-10
dm-11
dm-12
dm-13
dm-14
dm-15
dm-16
dm-17
dm-18
dm-19
dm-2
dm-20
dm-21
dm-22
dm-26
dm-27
dm-28
dm-29
dm-3
dm-30
dm-31
dm-32
dm-4
dm-5
dm-6
dm-7
dm-8
dm-9
sda


-- System Information:
Debian Release: squeeze/sid
APT prefers unstable
APT policy: (500, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 2.6.33-zgws1 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages initramfs-tools depends on:
ii cpio 2.11-1 GNU cpio -- a program to manage ar
ii findutils 4.4.2-1 utilities for finding files--find,
ii klibc-utils 1.5.15-1 small utilities built with klibc f
ii module-init-tools 3.12~pre2-1 tools for managing Linux kernel mo
ii udev 151-2 /dev/ and hotplug management daemo

Versions of packages initramfs-tools recommends:
ii busybox 1:1.15.3-1 Tiny utilities for small and embed

initramfs-tools suggests no packages.

-- no debconf information



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