Public bug reported:
Binary package hint: cryptsetup
[EMAIL PROTECTED] cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=7.10
DISTRIB_CODENAME=gutsy
DISTRIB_DESCRIPTION="Ubuntu 7.10"
[EMAIL PROTECTED] uname -a
Linux boron 2.6.22-14-server #1 SMP Tue Dec 18 05:52:24 UTC 2007 x86_64
GNU/Linux
[EMAIL PROTECTED] dpkg --status cryptsetup
...
Version: 2:1.0.5-2ubuntu2.1
Some more context might be provided by bug #178829. I modified the
file /lib/cryptsetup/cryptdisks.functions accordingly (i.e. removing
lines 30-35) else cryptsetup does not function at all when called from
udev.
Might be related to bug #162582
This problem occurs on one of two servers set up similary. The udev rule to
start
cryptdisks does succeed in creating the "device"
/dev/mapper/cryptbak. Unfortunately it does so only after a
mysterious delay of 3 minutes. The 3 minutes begins on the call to
"cryptdisks restart cryptbak". At the end of the interval, cryptdisks
reports success.
Some details on the setup.
/etc/crypttab
# <target name> <source device> <key file> <options>
cryptbak /dev/bakker /etc/backuppc/diskparm.txt luks,loud,tries=1
/etc/udev/rules.d/50-nick.rules
KERNEL=="sd?1", ATTRS{serial}=="DEF10BBE1D0D", NAME="$kernel", \
SYMLINK+="bakker", RUN+="/usr/local/sbin/cryptbak.sh"
/usr/local/sbin/cryptbak.sh
#!/bin/bash
TAG="$(basename $0)"
logger -t "$TAG" "starts..."
logger -t "$TAG" "Looking for bakker: $(ls -l /dev/bakk*)"
invoke-rc.d cryptdisks restart cryptbak
RET=$?
logger -t "$TAG" "cryptdisks returned $RET."
exit 0
/etc/init.d/cryptdisks has this line added just after the "set -e":
logger -t "cryptdisks" "begins, args: $@"
Example session. On plugging in the external disk, syslog reports:
Jan 28 13:56:27 boron kernel: [ 9178.115246] sdc: sdc1
Jan 28 13:56:27 boron kernel: [ 9178.126109] sd 6:0:0:0: [sdc] Attached SCSI
disk
Jan 28 13:56:27 boron kernel: [ 9178.126166] sd 6:0:0:0: Attached scsi
generic sg2 type 0
Jan 28 13:56:27 boron cryptbak.sh: starts...
Jan 28 13:56:27 boron cryptbak.sh: Looking for bakker: lrwxrwxrwx 1 root
root 4 Jan 28 13:56 /dev/bakker -> sdc1
Jan 28 13:56:27 boron cryptdisks: begins, args: restart cryptbak
At this point, nothing related to cryptdisks is apparently happening.
Some things that might be relevent:
[EMAIL PROTECTED] COLUMNS=200 ps -f $(pgrep -f crypt)
UID PID PPID C STIME TTY STAT TIME CMD
root 4038 2 0 11:24 ? S< 1:05 [kcryptd/0]
root 4039 2 1 11:24 ? S< 2:19 [kcryptd/1]
root 25976 25974 0 13:56 ? S< 0:00 /bin/bash
/usr/local/sbin/cryptbak.sh
root 25981 25976 0 13:56 ? S< 0:00 /bin/sh
/usr/sbin/invoke-rc.d cryptdisks restart cryptbak
root 25997 25981 0 13:56 ? S< 0:00 /bin/sh
/etc/init.d/cryptdisks restart cryptbak
root 26017 25997 0 13:56 ? S< 0:00 /bin/sh
/etc/init.d/cryptdisks restart cryptbak
root 26051 26017 1 13:56 ? S<L 0:00 cryptsetup --tries=1
--key-file=/etc/backuppc/diskparm.txt luksOpen /dev/bakker cryptbak
[EMAIL PROTECTED] ls -l /dev/mapper/
total 0
crw-rw---- 1 root root 10, 63 2008-01-28 11:24 control
brw-rw---- 1 root disk 254, 0 2008-01-28 13:56 temporary-cryptsetup-26051
Finally,
[EMAIL PROTECTED] Jan 28 13:59:28 boron cryptbak.sh: cryptdisks returned 0.
What was happening between 13:56:27 and 13:59:28?
At this point, all of the process listed above have disappeared except
the first two. The contents of /dev/mapper are
[EMAIL PROTECTED] ls -l /dev/mapper/
total 0
crw-rw---- 1 root root 10, 63 2008-01-28 11:24 control
brw-rw---- 1 root disk 254, 0 2008-01-28 13:59 cryptbak
The 3 minute delay does not occur when the cryptdisks command is given
on the command line. E.g.
[EMAIL PROTECTED] cryptbak.sh
* Stopping remaining crypto disks...
* cryptbak (stopped)...
...done.
* Starting remaining crypto disks...
Jan 28 14:06:58 boron cryptbak.sh: starts...
Jan 28 14:06:58 boron cryptbak.sh: Looking for bakker: lrwxrwxrwx 1 root
root 4 2008-01-28 13:56 /dev/bakker -> sdc1
Jan 28 14:06:58 boron cryptdisks: begins, args: restart cryptbak
key slot 0 unlocked.
Command successful.
...done.
[EMAIL PROTECTED] Jan 28 14:07:00 boron cryptbak.sh: cryptdisks returned 0.
** Affects: cryptsetup (Ubuntu)
Importance: Undecided
Status: New
--
cryptdisks takes 3 minutes to start
https://bugs.launchpad.net/bugs/186835
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