Hello,

I've been getting this bug from time to time since recently (I am on
current sid).

The scenario is similar to that described by Josh Triplett. However,
it is more severe in my case, as the booting fails at the moment of
fscking the home partition for which there is no device node in /dev.
(I have a separate home partition on /dev/sda6 and root on /dev/sda1) 

I attach some information collected from within the maintenance shell.

=========== initial boot messages (retyped) ============
Loading, please wait...
kinit: name_to_dev(/dev/sda5) = dev(8,5)
kinit: No resume image, doing normal boot
resume: libcrypt version: 1.44.
sh: cannot kill pid 472: No such process
INIT: version 2.86 booting
Using makefile_style concurent boot in runlevel S.
mknod: '//dev/ppp': Read-only file system
Starting boot logger: bootlogd.
================ below is from bootlog =================
Sun Oct 25 16:28:16 2009: Setting parameters of disc: (none).
Sun Oct 25 16:28:16 2009: Setting the system clock.
Sun Oct 25 16:28:16 2009: Cannot access the Hardware Clock via any known method.
Sun Oct 25 16:28:16 2009: Use the --debug option to see the details of our 
search for an access method.
Sun Oct 25 16:28:16 2009: Unable to set System Clock to: Sun Oct 25 13:28:14 
UTC 2009 ... ^[[33m(warning).^[[39;49m
Sun Oct 25 16:28:16 2009: Setting preliminary keymap...done.
Sun Oct 25 16:28:16 2009: Activating swap...done.
Sun Oct 25 16:28:16 2009: Checking root file system...fsck from util-linux-ng 
2.16.1
Sun Oct 25 16:28:16 2009: /lib/init/rw/rootdev: clean, 189498/427392 files, 
1298094/1708906 blocks
Sun Oct 25 16:28:16 2009: done.
Sun Oct 25 16:28:16 2009: Starting early crypto disks...done.
Sun Oct 25 16:28:16 2009: Starting remaining crypto disks...done.
Sun Oct 25 16:28:16 2009: Setting the system clock.
Sun Oct 25 16:28:16 2009: Cannot access the Hardware Clock via any known method.
Sun Oct 25 16:28:16 2009: Use the --debug option to see the details of our 
search for an access method.
Sun Oct 25 16:28:16 2009: Unable to set System Clock to: Sun Oct 25 13:28:16 
UTC 2009 ... ^[[33m(warning).^[[39;49m
Sun Oct 25 16:28:16 2009: Invalidating stale software suspend images... done.
Sun Oct 25 16:28:16 2009: Cleaning up ifupdown....
Sun Oct 25 16:28:16 2009: Loading kernel module loop.
Sun Oct 25 16:28:16 2009: Loading kernel module sbp2.
Sun Oct 25 16:28:16 2009: Loading kernel module coretemp.
Sun Oct 25 16:28:16 2009: Checking file systems...fsck from util-linux-ng 2.16.1
Sun Oct 25 16:28:16 2009: fsck.ext3: No such file or directory while trying to 
open /dev/sda6
Sun Oct 25 16:28:16 2009: /dev/sda6: 
Sun Oct 25 16:28:16 2009: The superblock could not be read or does not describe 
a correct ext2
Sun Oct 25 16:28:16 2009: filesystem.  If the device is valid and it really 
contains an ext2
Sun Oct 25 16:28:16 2009: filesystem (and not swap or ufs or something else), 
then the superblock
Sun Oct 25 16:28:16 2009: is corrupt, and you might try running e2fsck with an 
alternate superblock:
Sun Oct 25 16:28:16 2009:     e2fsck -b 8193 <device>
Sun Oct 25 16:28:16 2009: 
Sun Oct 25 16:28:16 2009: fsck died with exit status 8
Sun Oct 25 16:28:16 2009: ^[[31mfailed (code 8).^[[39;49m
Sun Oct 25 16:28:16 2009: File system check failed. A log is being saved in 
/var/log/fsck/checkfs if that location is writable. Please repair the file 
system manually. ... ^[[31mfailed!^[[39;49m
Sun Oct 25 16:28:16 2009: A maintenance shell will now be started. CONTROL-D 
will terminate this shell and resume system boot. ... ^[[33m(warning).^[[39;49m
Sun Oct 25 16:28:16 2009: Give root password for maintenance
Sun Oct 25 16:28:16 2009: (or type Control-D to continue): 
Sun Oct 25 16:44:33 2009: Login incorrect.
Sun Oct 25 16:44:33 2009: Give root password for maintenance
Sun Oct 25 16:44:33 2009: (or type Control-D to continue): 
=============================================

# uname -a
Linux kaiba 2.6.30-2-686 #1 SMP Sat Sep 26 01:16:22 UTC 2009 i686 GNU/Linux

# lsmod
Module                  Size  Used by
coretemp                5176  0 
firewire_sbp2          12700  0 
firewire_core          37736  1 firewire_sbp2
crc_itu_t               2148  1 firewire_core
loop                   13324  0 
dm_crypt               11092  0 
dm_mod                 49992  1 dm_crypt
ext3                  107172  1 
jbd                    41036  1 ext3
mbcache                 6924  1 ext3
sd_mod                 28740  3 
crc_t10dif              1632  1 sd_mod
thermal                12580  0 
fan                     4044  0 
thermal_sys            13140  2 thermal,fan
ahci                   30068  2 
libata                151044  1 ahci
scsi_mod              131800  3 firewire_sbp2,sd_mod,libata

# ps aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.0   2020   616 ?        Ss   16:28   0:00 init boot 
root         2  0.0  0.0      0     0 ?        S<   16:28   0:00 [kthreadd]
root         3  0.0  0.0      0     0 ?        S<   16:28   0:00 [migration/0]
root         4  0.0  0.0      0     0 ?        S<   16:28   0:00 [ksoftirqd/0]
root         5  0.0  0.0      0     0 ?        S<   16:28   0:00 [watchdog/0]
root         6  0.0  0.0      0     0 ?        S<   16:28   0:00 [migration/1]
root         7  0.0  0.0      0     0 ?        S<   16:28   0:00 [ksoftirqd/1]
root         8  0.0  0.0      0     0 ?        S<   16:28   0:00 [watchdog/1]
root         9  0.0  0.0      0     0 ?        S<   16:28   0:00 [events/0]
root        10  0.0  0.0      0     0 ?        S<   16:28   0:00 [events/1]
root        11  0.0  0.0      0     0 ?        S<   16:28   0:00 [cpuset]
root        12  0.0  0.0      0     0 ?        S<   16:28   0:00 [khelper]
root        15  0.0  0.0      0     0 ?        S<   16:28   0:00 [netns]
root        18  0.0  0.0      0     0 ?        S<   16:28   0:00 [async/mgr]
root        70  0.0  0.0      0     0 ?        S<   16:28   0:00 [kintegrityd/0]
root        71  0.0  0.0      0     0 ?        S<   16:28   0:00 [kintegrityd/1]
root        73  0.0  0.0      0     0 ?        S<   16:28   0:00 [kblockd/0]
root        74  0.0  0.0      0     0 ?        S<   16:28   0:00 [kblockd/1]
root        76  0.0  0.0      0     0 ?        S<   16:28   0:00 [kacpid]
root        77  0.0  0.0      0     0 ?        S<   16:28   0:00 [kacpi_notify]
root       156  0.0  0.0      0     0 ?        S<   16:28   0:00 [kseriod]
root       187  0.0  0.0      0     0 ?        S<   16:28   0:00 [kondemand/0]
root       188  0.0  0.0      0     0 ?        S<   16:28   0:00 [kondemand/1]
root       209  0.0  0.0      0     0 ?        S    16:28   0:00 [khungtaskd]
root       210  0.0  0.0      0     0 ?        S    16:28   0:00 [pdflush]
root       211  0.0  0.0      0     0 ?        S    16:28   0:00 [pdflush]
root       212  0.0  0.0      0     0 ?        S<   16:28   0:00 [kswapd0]
root       213  0.0  0.0      0     0 ?        S<   16:28   0:00 [aio/0]
root       214  0.0  0.0      0     0 ?        S<   16:28   0:00 [aio/1]
root       215  0.0  0.0      0     0 ?        S<   16:28   0:00 [crypto/0]
root       216  0.0  0.0      0     0 ?        S<   16:28   0:00 [crypto/1]
root       419  0.0  0.0      0     0 ?        S<   16:28   0:00 [ata/0]
root       420  0.0  0.0      0     0 ?        S<   16:28   0:00 [ata/1]
root       421  0.0  0.0      0     0 ?        S<   16:28   0:00 [ata_aux]
root       423  0.0  0.0      0     0 ?        S<   16:28   0:00 [scsi_eh_0]
root       426  0.0  0.0      0     0 ?        S<   16:28   0:00 [scsi_eh_1]
root       429  0.0  0.0      0     0 ?        S<   16:28   0:00 [scsi_eh_2]
root       623  0.0  0.0      0     0 ?        S<   16:28   0:00 [kjournald]
root       639  0.0  0.0   2020   232 tty1     Ss   16:28   0:00 init boot 
root       640  0.0  0.1   2968  1472 tty1     S    16:28   0:00 /bin/sh 
/etc/init.d/rc S
root       643  0.0  0.0   2056   844 tty1     S    16:28   0:00 startpar -p 4 
-t 20 -T 3 -M boot -P N -R S
root       685  0.2  0.0   1932   472 ?        Ss   16:28   0:02 /sbin/bootlogd 
-r -c
root       691  0.0  0.0   1540   340 ?        Ss   16:28   0:00 startpar -f -- 
bootlogd
root       759  0.0  0.0      0     0 ?        S<   16:28   0:00 [kstriped]
root       843  0.0  0.0      0     0 ?        S<   16:28   0:00 [firewire_sbp2]
root       845  0.0  0.1   3020  1504 tty1     S    16:28   0:00 /bin/sh 
/etc/init.d/checkfs.sh start
root       872  0.0  0.2   4164  2784 tty1     S    16:28   0:00 zsh
root       897  0.0  0.0   2344   912 tty1     R+   16:49   0:00 ps aux

# fdisk -l
(gives nothing)

# mount
/dev/sda1 on / type ext3 (rw,relatime,errors=remount-ro)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)

# ls -lR /dev
/dev:
total 4
crw-rw---- 1 root video  10, 175 Oct 14  2008 agpgart
crw-rw---- 1 root root   10, 134 Oct 14  2008 apm_bios
crw-rw---- 1 root audio  14,   4 Oct 14  2008 audio
crw-rw---- 1 root audio  14,  20 Oct 14  2008 audio1
crw-rw---- 1 root audio  14,  36 Oct 14  2008 audio2
crw-rw---- 1 root audio  14,  52 Oct 14  2008 audio3
crw-rw---- 1 root audio  14,   7 Oct 14  2008 audioctl
crw------- 1 root tty     5,   1 Oct 25 16:28 console
lrwxrwxrwx 1 root root        11 Oct 14  2008 core -> /proc/kcore
crw-rw---- 1 root audio  14,   3 Oct 14  2008 dsp
crw-rw---- 1 root audio  14,  19 Oct 14  2008 dsp1
crw-rw---- 1 root audio  14,  35 Oct 14  2008 dsp2
crw-rw---- 1 root audio  14,  51 Oct 14  2008 dsp3
lrwxrwxrwx 1 root root        13 Oct 14  2008 fd -> /proc/self/fd/
crw-rw-rw- 1 root root    1,   7 Oct 14  2008 full
prw------- 1 root root         0 Sep 29 01:30 initctl|
crw-r----- 1 root kmem    1,   2 Oct 14  2008 kmem
brw-rw---- 1 root disk    7,   0 Oct 14  2008 loop0
brw-rw---- 1 root disk    7,   1 Oct 14  2008 loop1
brw-rw---- 1 root disk    7,   2 Oct 14  2008 loop2
brw-rw---- 1 root disk    7,   3 Oct 14  2008 loop3
brw-rw---- 1 root disk    7,   4 Oct 14  2008 loop4
brw-rw---- 1 root disk    7,   5 Oct 14  2008 loop5
brw-rw---- 1 root disk    7,   6 Oct 14  2008 loop6
brw-rw---- 1 root disk    7,   7 Oct 14  2008 loop7
drwxr-xr-x 2 root root      4096 Sep 29 01:28 mapper/
crw-r----- 1 root kmem    1,   1 Oct 14  2008 mem
crw-rw---- 1 root audio  35,   0 Oct 14  2008 midi0
crw-rw---- 1 root audio  14,   2 Oct 14  2008 midi00
crw-rw---- 1 root audio  14,  18 Oct 14  2008 midi01
crw-rw---- 1 root audio  14,  34 Oct 14  2008 midi02
crw-rw---- 1 root audio  14,  50 Oct 14  2008 midi03
crw-rw---- 1 root audio  35,   1 Oct 14  2008 midi1
crw-rw---- 1 root audio  35,   2 Oct 14  2008 midi2
crw-rw---- 1 root audio  35,   3 Oct 14  2008 midi3
crw-rw---- 1 root audio  14,   0 Oct 14  2008 mixer
crw-rw---- 1 root audio  14,  16 Oct 14  2008 mixer1
crw-rw---- 1 root audio  14,  32 Oct 14  2008 mixer2
crw-rw---- 1 root audio  14,  48 Oct 14  2008 mixer3
crw-rw---- 1 root audio  31,   0 Oct 14  2008 mpu401data
crw-rw---- 1 root audio  31,   1 Oct 14  2008 mpu401stat
crw-rw-rw- 1 root root    1,   3 Oct 14  2008 null
crw-rw---- 1 root video 195,   0 Sep 29 01:29 nvidia0
crw-rw---- 1 root video 195, 255 Sep 29 01:29 nvidiactl
crw-r----- 1 root kmem    1,   4 Oct 14  2008 port
crw-rw-rw- 1 root tty     5,   2 Oct 25 16:46 ptmx
drwxr-xr-x 2 root root         0 Oct 25 16:28 pts/
lrwxrwxrwx 1 root root         4 Oct 14  2008 ram -> ram1
brw-rw---- 1 root disk    1,   0 Oct 14  2008 ram0
brw-rw---- 1 root disk    1,   1 Oct 14  2008 ram1
brw-rw---- 1 root disk    1,  10 Oct 14  2008 ram10
brw-rw---- 1 root disk    1,  11 Oct 14  2008 ram11
brw-rw---- 1 root disk    1,  12 Oct 14  2008 ram12
brw-rw---- 1 root disk    1,  13 Oct 14  2008 ram13
brw-rw---- 1 root disk    1,  14 Oct 14  2008 ram14
brw-rw---- 1 root disk    1,  15 Oct 14  2008 ram15
brw-rw---- 1 root disk    1,  16 Oct 14  2008 ram16
brw-rw---- 1 root disk    1,   2 Oct 14  2008 ram2
brw-rw---- 1 root disk    1,   3 Oct 14  2008 ram3
brw-rw---- 1 root disk    1,   4 Oct 14  2008 ram4
brw-rw---- 1 root disk    1,   5 Oct 14  2008 ram5
brw-rw---- 1 root disk    1,   6 Oct 14  2008 ram6
brw-rw---- 1 root disk    1,   7 Oct 14  2008 ram7
brw-rw---- 1 root disk    1,   8 Oct 14  2008 ram8
brw-rw---- 1 root disk    1,   9 Oct 14  2008 ram9
crw-rw-rw- 1 root root    1,   8 Oct 14  2008 random
crw-rw---- 1 root audio  35,  64 Oct 14  2008 rmidi0
crw-rw---- 1 root audio  35,  65 Oct 14  2008 rmidi1
crw-rw---- 1 root audio  35,  66 Oct 14  2008 rmidi2
crw-rw---- 1 root audio  35,  67 Oct 14  2008 rmidi3
crw-rw---- 1 root audio  14,   1 Oct 14  2008 sequencer
drwxrwxrwt 2 root root        40 Oct 25 16:28 shm/
crw-rw---- 1 root audio  35, 128 Oct 14  2008 smpte0
crw-rw---- 1 root audio  35, 129 Oct 14  2008 smpte1
crw-rw---- 1 root audio  35, 130 Oct 14  2008 smpte2
crw-rw---- 1 root audio  35, 131 Oct 14  2008 smpte3
crw-rw---- 1 root audio  14,   6 Oct 14  2008 sndstat
lrwxrwxrwx 1 root root         4 Oct 14  2008 stderr -> fd/2
lrwxrwxrwx 1 root root         4 Oct 14  2008 stdin -> fd/0
lrwxrwxrwx 1 root root         4 Oct 14  2008 stdout -> fd/1
crw-rw-rw- 1 root tty     5,   0 Oct 14  2008 tty
crw------- 1 root tty     4,   0 Oct 14  2008 tty0
crw------- 1 root root    4,   1 Oct 25 16:51 tty1
crw------- 1 root root    4,   2 Sep 29 01:29 tty2
crw------- 1 root root    4,   3 Sep 29 01:29 tty3
crw------- 1 root root    4,   4 Sep 29 01:29 tty4
crw------- 1 root root    4,   5 Sep 29 01:29 tty5
crw------- 1 root root    4,   6 Sep 29 01:29 tty6
crw------- 1 root tty     4,   7 Oct 14  2008 tty7
crw------- 1 root tty     4,   8 Oct 14  2008 tty8
crw------- 1 root tty     4,   9 Oct 14  2008 tty9
crw-rw-rw- 1 root root    1,   9 Sep 29 01:29 urandom
prw-r----- 1 root adm          0 Sep 29 01:29 xconsole|
crw-rw-rw- 1 root root    1,   5 Oct 14  2008 zero

/dev/mapper:
total 0
crw------- 1 root root 10, 60 Sep 29 01:28 control

/dev/pts:
total 0
crw--w---- 1 root tty  136, 0 Oct 25 16:28 0
crw--w---- 1 root tty  136, 1 Oct 25 16:51 1
c--------- 1 root root   5, 2 Oct 25 16:28 ptmx

/dev/shm:
total 0


-- 
Stanislav



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