Public bug reported:

Binary package hint: cups

This might be a dup of bug 335898. However,  the suggested
reinstallation of "libgcrypt" doesn't work for me.

mue...@xbox:~$ sudo apt-get --reinstall install libgcrypt
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Couldn't find package libgcrypt
mue...@xbox:~$ 

Here's my problem:
mue...@xbox:~$ sudo /usr/sbin/cupsd -f
FATAL: error reading `/proc/sys/crypto/fips_enabled' in libgcrypt: Permission 
denied
Aborted (core dumped)
mue...@xbox:~$ echo $?
134
mue...@xbox:~$ tail -n2 /var/log/messages
Jun 26 00:58:25 xbox kernel: [31565.464104] type=1503 audit(1245970705.812:18): 
operation="sysctl" requested_mask="r::" denied_mask="r::" fsuid=0 
name="/proc/sys/crypto/fips_enabled" pid=24101 profile="/usr/sbin/cupsd"
Jun 26 00:58:45 xbox kernel: [31585.454942] type=1503 audit(1245970725.800:19): 
operation="sysctl" requested_mask="r::" denied_mask="r::" fsuid=0 
name="/proc/sys/crypto/fips_enabled" pid=24107 profile="/usr/sbin/cupsd"
mue...@xbox:~$ ldd /usr/sbin/cupsd  | grep gcrypt
        libgcrypt.so.11 => /lib/libgcrypt.so.11 (0x00007fe01ae4c000)
mue...@xbox:~$  sudo strace -fv -o /tmp/trace /usr/sbin/cupsd -f
FATAL: error reading `/proc/sys/crypto/fips_enabled' in libgcrypt: Permission 
denied
mue...@xbox:~$ ls -l /tmp/trace 
-rw-r--r-- 1 root root 104600 2009-06-26 01:00 /tmp/trace
mue...@xbox:~$ sudo /etc/init.d/apparmor stop
 * Unloading AppArmor profiles                                           [ OK ] 
mue...@xbox:~$ sudo /usr/sbin/cupsd -f


So, after stopping AppArmor, it works.

ProblemType: Bug
Architecture: amd64
CupsErrorLog:
 
DistroRelease: Ubuntu 9.04
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: Unable 
to connect to server
MachineType: LENOVO 766636G
Package: cups 1.3.9-17ubuntu3.1
Papersize: letter
PpdFiles:
 InliDrucker: HP PhotoSmart C5100 Foomatic/hpijs (recommended)
 MFC-425CN: Generic text-only printer
 Samsung: Samsung CLP-550 Series (PS)
ProcCmdLine: root=/dev/mapper/cryptroot 
source=UUID=9c3d5596-27c6-4fd5-bfcd-fa8eef6f1230 ro quiet splash
ProcVersionSignature: Ubuntu 2.6.28-11.42-generic
SourcePackage: cups

** Affects: cups (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

-- 
CUPS not starting due to error reading `/proc/sys/crypto/fips_enabled' 
https://bugs.launchpad.net/bugs/392337
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