[Bug 1785498] Re: g_atomic_ref_count_dec: assertion 'g_atomic_int_get (arc) > 0' failed

[Iain Lane]

On Wed, Aug 08, 2018 at 06:14:06PM -0000, Bashing-om wrote:
> apt update results with the warning:
> (appstreamcli:1748): GLib-CRITICAL **: 12:54:05.288: g_atomic_ref_count_dec: assertion 'g_atomic_int_get (arc) > 0' failed
> 
> Proceeding to install the upgrades >>
> Possibly unrelated, but, Since seeing the warning and upgrading packages I have experienced the system going into read only mode, and the superblock of the disk being corrupted, per e2fsck. 
> 
> I am holding off on upgrades until I see a fix in the cosmic repo for
> this condition.

This message is not causing your computer any harm. If you see a problem
then it's unrelated. It'll be resolved soon.

Cheers,

-- 
Iain Lane                                  [ iain at orangesquash.org.uk ]
Debian Developer                                   [ laney at debian.org ]
Ubuntu Developer                                   [ laney at ubuntu.com ]

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https://bugs.launchpad.net/bugs/1785498

Title:
  g_atomic_ref_count_dec: assertion 'g_atomic_int_get (arc) > 0' failed

Status in appstream package in Ubuntu:
  Confirmed
Status in glib2.0 package in Ubuntu:
  Confirmed

Bug description:
  When running

    sudo apt update

  in a terminal I sometimes see the following message printed within the
  output.

    (appstreamcli:18640): GLib-CRITICAL **: 17:47:38.047:
  g_atomic_ref_count_dec: assertion 'g_atomic_int_get (arc) > 0' failed

  This started happening today (5th August). Otherwise apt update and
  apt upgrade seem to correctly update the system.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: libglib2.0-0 2.57.2-1
  ProcVersionSignature: Ubuntu 4.17.0-6.7-generic 4.17.9
  Uname: Linux 4.17.0-6-generic x86_64
  ApportVersion: 2.20.10-0ubuntu7
  Architecture: amd64
  CurrentDesktop: GNOME
  Date: Sun Aug  5 17:52:41 2018
  InstallationDate: Installed on 2018-07-12 (24 days ago)
  InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180711)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: glib2.0
  UpgradeStatus: No upgrade log present (probably fresh install)

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