Ubuntu
apport package

apport looping on an old crash dump

Bug #1516947 reported by Alan Pope 🍺🐧🐱 🦄
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
apport (Ubuntu)
Fix Released
Medium
Martin Pitt

Bug Description

A few occasions now I've had apport spinning a CPU on an old caja crash found in /var/crash.

Talked to pitti in #ubuntu-devel who asked for the crash file, which I've uploaded to:- https://chinstrap.canonical.com/~alan/_usr_bin_caja.1000.crash

Some output from stracing the apport process:-

http://paste.ubuntu.com/13310423/

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: apport 2.19.2-0ubuntu6
ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3
Uname: Linux 4.2.0-16-generic x86_64
ApportLog:

ApportVersion: 2.19.2-0ubuntu6
Architecture: amd64
CurrentDesktop: MATE
Date: Tue Nov 17 09:44:05 2015
InstallationDate: Installed on 2014-06-16 (519 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: all
SourcePackage: apport
UpgradeStatus: Upgraded to xenial on 2015-11-03 (13 days ago)

See original description
Revision history for this message
Alan Pope 🍺🐧🐱 🦄 (popey) wrote :
description: updated
Revision history for this message
Martin Pitt (pitti) wrote :

According to Alan's strace this hangs in/loops over reading the existing .crash file; this can only be the reading ofCrashCounter.

This reproduces easily with:

python3 -c 'import apport.fileutils; print(apport.fileutils.get_recent_crashes(open("_usr_bin_caja.1000.crash", "rb")))'

Changed in apport (Ubuntu):
status: New → Triaged
assignee: nobody → Martin Pitt (pitti)
importance: Undecided → Medium
Brian Murray (brian-murray)
tags: added: rls-x-incoming
Revision history for this message
Martin Pitt (pitti) wrote :

Fixed in trunk.

Changed in apport (Ubuntu):
status: Triaged → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package apport - 2.19.3-0ubuntu1

---------------
apport (2.19.3-0ubuntu1) xenial; urgency=medium

  * New upstream microrelease:
    - apt/dpkg: Fix source record lookup in install_packages. Thanks Brian
      Murray!
    - hookutils.py, attach_gsettings_schema(): Don't replace the schema
      variable; fixes attaching relocatable schemas. Thanks Sébastien Bacher!
    - generic hook: Limit JournalErrors to the 1.000 last lines. This avoids
      long report load times when processes cause massive log spew.
      (LP: #1516947)
    - Add key filtering to ProblemReport.load().
    - Don't read the entire report when determining the CrashCounter. This
      avoids long delays for existing large reports.
    - test_python_crashes.py: Be less sensitive to the precise names of
      gvfs-metadata D-Bus service files.
    - Move backend_apt_dpkg -dbgsym test cases to Ubuntu 15.10.
    - Tests: Move to unittest's builtin "mock" module.

 -- Martin Pitt <email address hidden> Tue, 08 Dec 2015 09:49:00 +0100

Changed in apport (Ubuntu):
status: Fix Committed → Fix Released
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