Cups was installed, but won't start

[jmalter]

Ubuntu 12.04 64bit Desktop

When i try to install cups, the following message appears:

root@xxxxxxx:/var# aptitude upgrade
The following partially installed packages will be configured:
  cups
No packages will be installed, upgraded, or removed.
0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B of archives. After unpacking 0 B will be used.
Setting up cups (1.5.2-9ubuntu1) ...
start: Job failed to start
invoke-rc.d: initscript cups, action "start" failed.
dpkg: error processing cups (--configure):
 subprocess installed post-installation script returned error exit status 1
No apport report written because MaxReports is reached already
                                                              Errors were encountered while processing:
 cups
E: Sub-process /usr/bin/dpkg returned an error code (1)
A package failed to install. Trying to recover:
Setting up cups (1.5.2-9ubuntu1) ...
start: Job failed to start
invoke-rc.d: initscript cups, action "start" failed.
dpkg: error processing cups (--configure):
 subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
 cups

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: cups 1.5.2-9ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-24.39-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
CupsErrorLog:

Date: Mon May 28 06:46:06 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
Lpstat: Error: command ['lpstat', '-v'] failed with exit code 1: lpstat: Connection refused
MachineType: LENOVO 44036KG
Papersize: a4
PpdFiles: Epson-Stylus-Office-BX300F: Epson Stylus Office BX300F - CUPS+Gutenprint v5.2.8-pre1
ProcEnviron:
 SHELL=/bin/bash
 TERM=xterm
 LANG=de_DE.UTF-8
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-24-generic root=UUID=ad5e2251-50d5-483e-8638-c9791d2b487d ro quiet splash vt.handoff=7
SourcePackage: cups
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/08/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 81ET60WW (1.36 )
dmi.board.name: 44036KG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr81ET60WW(1.36):bd12/08/2011:svnLENOVO:pn44036KG:pvrThinkPadL412:rvnLENOVO:rn44036KG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 44036KG
dmi.product.version: ThinkPad L412
dmi.sys.vendor: LENOVO

[jmalter (joerg4711)]

Workaround:

Deinstall apparmor and cups is running

[Till Kamppeter (till-kamppeter)]

Pitti, seems to be an AppArmor problem. Can you have a look?

jmalter, can you reinstall AppArmor and then run the command

aa-complain cupsd

Now CUPS should also work, as AppArmor is not blocking on accesses which are not permitted. Some seconds after CUPS has started, attach your /var/log/syslog file to this bug. Thanks.

[jmalter (joerg4711)]

Hi Till,

thanks for the fast answer.

1. I've installed apparmor

2. Sart cups

Now the strange one, cups will start.

Anywhere, i have entered aa-complain cups and started cups.
Here is the part of the syslog.

May 28 12:47:25 joerg kernel: [ 472.079423] type=1400 audit(1338202045.890:38): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=9755 comm="apparmor_parser"
May 28 12:47:25 joerg kernel: [ 472.079598] type=1400 audit(1338202045.890:39): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=9755 comm="apparmor_parser"
May 28 12:47:28 joerg AptDaemon: INFO: Quitting due to inactivity
May 28 12:47:28 joerg AptDaemon: INFO: Quitting was requested
May 28 12:47:40 joerg kernel: [ 486.792324] type=1400 audit(1338202060.635:40): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=9773 comm="apparmor_parser"
May 28 12:47:40 joerg kernel: [ 486.792557] type=1400 audit(1338202060.635:41): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=9773 comm="apparmor_parser"
May 28 12:47:41 joerg udev-configure-printer: add /module/lp

Thank you for your advise.

Regards

Joerg

[Martin Pitt (pitti)]

Till, the CurrentDmesg.txt attachment shows no apparmor violations, neither does Joerg's followup. So something else was wrong.

Joerg, if you uninstall apparmor again, do you get the startup failure again?

[jmalter (joerg4711)]

I have a idea.

I had made a full backup on friday. With this backup the problem still persists.
I can restore that on wednesday, because today i need my laptop today for the business issues.
When i restore it tommorow, i will do all steps from #3 and post the logs here.

[Launchpad Janitor (janitor)]

[Expired for cups (Ubuntu) because there has been no activity for 60 days.]

[Jan Groenewald (jan-aims)]

Confirmed on precise.
Installing apparmor-utils, running aa-complain cupsd, then cups starts OK.

/var/log/syslog now has several messages like this one:

Dec 12 13:58:10 rondloper kernel: [ 885.007738] type=1400
audit(1386849490.315:4932): apparmor="ALLOWED" operation="open"
parent=9636 profile="/usr/sbin/cupsd//null-37"
name="/lib/i386-linux-gnu/libpthread-2.15.so" pid=9670
comm="cups-driverd" requested_mask="r" denied_mask="r" fsuid=7 ouid=0

That "profile" filename is obviously spurious since /usr/sbin/cupsd is
a program.

[Jan Groenewald (jan-aims)]

That was on
Ubuntu precise 32bit
1.5.3-0ubuntu8