Public bug reported:
Created from Question #221018...
3.2.0-36-generic-pae on Ubuntu 12.04.1 LTS.
The "Unpacking replacement debootstrap ..." phase of dpkg --auto-
deconfigure is hanging, no CPU or I/O currently being used:
/usr/bin/dpkg --status-fd 47 --unpack --auto-deconfigure
/var/cache/apt/archives/debootstrap_1.0.39ubuntu0.2_all.deb
/var/cache/apt/archives/base-files_6.5ubuntu6.5_i386.deb
No lack of disk-space:
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/ubuntu-root 455G 25G 408G 6% /
udev 2.0G 4.0K 2.0G 1% /dev
tmpfs 792M 1004K 791M 1% /run
none 5.0M 0 5.0M 0% /run/lock
none 2.0G 404K 2.0G 1% /run/shm
cgroup 2.0G 0 2.0G 0% /sys/fs/cgroup
/dev/sda1 248M 83M 153M 36% /boot
Here is ps aux | grep dpkg output showing dpkg-deb process marked as defunct:
root 13902 0.0 1.1 50924 47288 pts/2 Ss+ 10:16 0:00 /usr/bin/dpkg --status-fd
47 --unpack --auto-deconfigure
/var/cache/apt/archives/debootstrap_1.0.39ubuntu0.2_all.deb
/var/cache/apt/archives/base-files_6.5ubuntu6.5_i386.deb
root 13921 0.0 0.0 0 0 pts/2 Z+ 10:17 0:00 [dpkg-deb] <defunct>'
And here's a backtrace of the dpkg process from GDB:
Attaching to process 13902
Reading symbols from /usr/bin/dpkg...(no debugging symbols found)...done.
Reading symbols from /lib/i386-linux-gnu/libselinux.so.1...(no debugging
symbols found)...done.
Loaded symbols for /lib/i386-linux-gnu/libselinux.so.1
Reading symbols from /lib/i386-linux-gnu/libc.so.6...(no debugging symbols
found)...done.
Loaded symbols for /lib/i386-linux-gnu/libc.so.6
Reading symbols from /lib/i386-linux-gnu/libdl.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib/i386-linux-gnu/libdl.so.2
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /lib/i386-linux-gnu/libnss_compat.so.2...(no debugging
symbols found)...done.
Loaded symbols for /lib/i386-linux-gnu/libnss_compat.so.2
Reading symbols from /lib/i386-linux-gnu/libnsl.so.1...(no debugging symbols
found)...done.
Loaded symbols for /lib/i386-linux-gnu/libnsl.so.1
Reading symbols from /lib/i386-linux-gnu/libnss_nis.so.2...(no debugging
symbols found)...done.
Loaded symbols for /lib/i386-linux-gnu/libnss_nis.so.2
Reading symbols from /lib/i386-linux-gnu/libnss_files.so.2...(no debugging
symbols found)...done.
Loaded symbols for /lib/i386-linux-gnu/libnss_files.so.2
0xb774b424 in __kernel_vsyscall ()
(gdb) bt
#0 0xb774b424 in __kernel_vsyscall ()
#1 0xb764833c in close () from /lib/i386-linux-gnu/libc.so.6
#2 0x0804c1fd in ?? ()
#3 0x0806a5f9 in ?? ()
#4 0x0805b2ab in ?? ()
#5 0x0804dd56 in ?? ()
#6 0x0804a3f3 in ?? ()
#7 0xb75834d3 in __libc_start_main () from /lib/i386-linux-gnu/libc.so.6
#8 0x0804a4c5 in ?? ()
dpkg.log:
2013-02-04 10:17:03 upgrade debootstrap 1.0.39ubuntu0.2 1.0.39ubuntu0.2
2013-02-04 10:17:03 status half-installed debootstrap 1.0.39ubuntu0.2
2013-02-04 10:56:43 status triggers-pending man-db 2.6.1-2ubuntu1
2013-02-04 10:56:43 status half-installed debootstrap 1.0.39ubuntu0.2
lsof -p 13902
lsof: WARNING: can't stat() fuse.gvfs-fuse-daemon file system
/home/etepsic/.gvfs
Output information may be incomplete.
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
dpkg 13902 root cwd DIR 252,2 4096 2 /
dpkg 13902 root rtd DIR 252,2 4096 2 /
dpkg 13902 root txt REG 252,2 252032 12846081 /usr/bin/dpkg
dpkg 13902 root mem REG 252,2 47040 25695094
/lib/i386-linux-gnu/libnss_files-2.15.so
dpkg 13902 root mem REG 252,2 92016 25695110 /lib/i386-linux-gnu/libnsl-2.15.so
dpkg 13902 root mem REG 252,2 30520 25695092
/lib/i386-linux-gnu/libnss_compat-2.15.so
dpkg 13902 root mem REG 252,2 8748544 12852732 /usr/lib/locale/locale-archive
dpkg 13902 root mem REG 252,2 13940 25695105 /lib/i386-linux-gnu/libdl-2.15.so
dpkg 13902 root mem REG 252,2 1730024 25695090 /lib/i386-linux-gnu/libc-2.15.so
dpkg 13902 root mem REG 252,2 120748 25691128
/lib/i386-linux-gnu/libselinux.so.1
dpkg 13902 root mem REG 252,2 26256 12855944
/usr/lib/i386-linux-gnu/gconv/gconv-modules.cache
dpkg 13902 root mem REG 252,2 42652 25695098
/lib/i386-linux-gnu/libnss_nis-2.15.so
dpkg 13902 root mem REG 252,2 134344 25695102 /lib/i386-linux-gnu/ld-2.15.so
dpkg 13902 root 0u CHR 136,2 0t0 5 /dev/pts/2
dpkg 13902 root 1u CHR 136,2 0t0 5 /dev/pts/2
dpkg 13902 root 2u CHR 136,2 0t0 5 /dev/pts/2
dpkg 13902 root 3uW REG 252,2 0 25428716 /var/lib/dpkg/lock
dpkg 13902 root 4w REG 252,2 4608 25430065 /var/lib/dpkg/updates/tmp.i
dpkg 13902 root 5u REG 252,2 0 25435478 /var/lib/dpkg/triggers/Lock
dpkg 13902 root 6w REG 252,2 20567 25429224 /var/log/dpkg.log
dpkg 13902 root 7r REG 252,2 3533 25435864 /var/lib/dpkg/diversions
dpkg 13902 root 8r REG 252,2 135 25428717 /var/lib/dpkg/statoverride
dpkg 13902 root 47w FIFO 0,8 0t0 394468 pipe
I have tried uninstalling debootstrap, but dpkg reports that it cannot remove
it:
# dpkg --remove debootstrap
dpkg: error processing debootstrap (--remove):
Package is in a very bad inconsistent state - you should
reinstall it before attempting a removal.
Errors were encountered while processing:
debootstrap
I have tried uninstalling debootstrap, but dpkg reports that it cannot remove
it.
** Affects: debootstrap (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1115465
Title:
debootstrap 1.0.39ubuntu0.2 installation hangs at "Unpacking
replacement debootstrap ..." phase of dpkg
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