[Bug 854490] Re: update from natty to oneiric hangs on libpam0g upgrade and cups reload
Martin Pitt
martin.pitt at ubuntu.com
Tue Sep 20 09:20:40 UTC 2011
I think the error is in libpam0g.postinst. It tries to restart services
while cups (and its libraries) are unconfigured and not running, which
is prone to fail, not only for cups, also for all other services.
It looks like libpam0g.postinst makes no effort to only restart services
which are actually running, it just tries to restart them all. The only
special case is "gdm" where it checks for "idl status | grep -q
stop/waiting". IMHO it should do this for all services.
Steve, can you please have a look at this? Does this make sense?
** Package changed: cups (Ubuntu Oneiric) => pam (Ubuntu Oneiric)
** Changed in: pam (Ubuntu Oneiric)
Assignee: Canonical Desktop Team (canonical-desktop-team) => Steve Langasek (vorlon)
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https://bugs.launchpad.net/bugs/854490
Title:
update from natty to oneiric hangs on libpam0g upgrade and cups reload
Status in “pam” package in Ubuntu:
Confirmed
Status in “pam” source package in Oneiric:
Confirmed
Bug description:
TEST CASE:
1. Install Natty and apply updates
2. run update-manager -d and proceed with the upgrade to 11.10
Result:
The upgrade hangs at libpam0g upgrade when cups is reloaded. The last message displayed on console and terminal log is:
Restarting services possibly affected by the upgrade:
gdm: reloading...done.
cups: stopping...starting...
The following message is displayed and repeated in syslog
Sep 20 09:19:36 ubuntu-VirtualBox kernel: [ 1893.528204] type=1400 audit(1316503176.331:210): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=18386 comm="apparmor_parser"
Sep 20 09:19:36 ubuntu-VirtualBox kernel: [ 1893.528494] type=1400 audit(1316503176.331:211): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=18386 comm="apparmor_parser"
Sep 20 09:19:36 ubuntu-VirtualBox init: cups main process (18387) terminated with status 127
Sep 20 09:19:36 ubuntu-VirtualBox init: cups main process ended, respawning
The following cups processes are running:
root 16275 0.0 0.0 2028 512 pts/2 S+ 09:11 0:00 /bin/sh -e /etc/init.d/cups start
root 16279 0.0 0.1 4944 1292 pts/2 S+ 09:11 0:00 start cups
Killing process 16275 allows to continue the upgrade.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.150.3
ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
Architecture: i386
Date: Tue Sep 20 09:13:29 2011
GConfNonDefault:
/apps/update-manager/check_new_release_ignore=
/apps/update-manager/first_run=false
/apps/update-manager/window_size=(600,600)
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: Upgraded to natty on 2011-09-20 (0 days ago)
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