[Bug 1169543] Re: Software update hangs after finished checking for updates

[Christian Reis]

CPU is pegged at 100%:

21594 kiko      20   0  639m 129m  50m R 107.4  4.3   1:15.53 update-
manager

strace says:

poll([{fd=5, events=POLLIN}, {fd=6, events=POLLIN}, {fd=11, events=POLLIN}, {fd=3, events=POLLIN}, {fd=12, events=POLLIN}], 5, 0) = 0 (Timeout)
recvfrom(6, 0x1e3f244, 4096, 0, 0, 0)   = -1 EAGAIN (Resource temporarily unavailable)

inodes are:

lrwx------ 1 kiko kiko 64 Apr 25 23:01 5 -> anon_inode:[eventfd]
lrwx------ 1 kiko kiko 64 Apr 25 23:01 6 -> socket:[330041]

Leaving it running overnight...

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https://bugs.launchpad.net/bugs/1169543

Title:
  Software update hangs after finished checking for updates

Status in “update-manager” package in Ubuntu:
  Confirmed

Bug description:
  When running software updater, small dialog window appears with
  progress bar. Shows checking for updates from the various sources.

  Shows Checking for Updates...
  Progress bar is at 100% status under progress bar shows 'Finished'
  Stop button is grayed out. 
  Window hangs in this state. Does not show updates or indicate that there are no updates available. Unable to close with alt-F4, or from Gnome Shell overview or X on window. Need to xkill/kill the application.

  apt-get from CLI shows that there are updates available.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: update-manager 1:0.185
  ProcVersionSignature: Ubuntu 3.8.0-17.27-generic 3.8.6
  Uname: Linux 3.8.0-17-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: amd64
  Date: Tue Apr 16 09:10:36 2013
  ExecutablePath: /usr/bin/update-manager
  GsettingsChanges:
   b'com.ubuntu.update-manager' b'first-run' b'false'
   b'com.ubuntu.update-manager' b'launch-time' b'1366114097'
   b'com.ubuntu.update-manager' b'show-details' b'true'
   b'com.ubuntu.update-manager' b'window-height' b'587'
   b'com.ubuntu.update-manager' b'window-width' b'628'
  InstallationDate: Installed on 2013-04-05 (10 days ago)
  InstallationMedia: Ubuntu-GNOME 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1)
  InterpreterPath: /usr/bin/python3.3
  MarkForUpload: True
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_CA.UTF-8
   SHELL=/bin/bash
  SourcePackage: update-manager
  UpgradeStatus: No upgrade log present (probably fresh install)

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