apport falls into infinite loop

Bug #1060824 reported by Till Kamppeter on 2012-10-03
This bug affects 1 person
Affects Status Importance Assigned to Milestone
apport (Ubuntu)
Martin Pitt

Bug Description

Whenever apport gets triggered or when I manually invoke report to report a bug it goes into an infinite loop, not answwering, exiting, nor opening a window and it takes 100% CPU until I kill it. I do not get any files in /var/crash/, so there is also no way to manually investigate the problem.

This is a severe problem to fix the final bugs and to get testing feedback in the end of the Quantal cycle. Therefore I mark it as "Critical"...

ApportVersion: 2.6.1-0ubuntu1
Architecture: amd64
DistroRelease: Ubuntu 12.10
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120724.2)
Package: apport 2.6.1-0ubuntu1
PackageArchitecture: all
 PATH=(custom, no user)
ProcVersionSignature: Ubuntu 3.5.0-17.27-generic 3.5.5
Tags: quantal running-unity
Uname: Linux 3.5.0-17-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo

Till Kamppeter (till-kamppeter) wrote :

For obvious reasons I could not use "apport-bug apport" for reporting this bug.

affects: cups (Ubuntu) → avahi (Ubuntu)
Changed in avahi (Ubuntu):
importance: Undecided → Critical
milestone: none → ubuntu-12.10
affects: avahi (Ubuntu) → apport (Ubuntu)
Changed in apport (Ubuntu):
assignee: nobody → Martin Pitt (pitti)
Edward Donovan (edward.donovan) wrote :

This isn't happening on my Quantal system. Any hints on how to reproduce? Thanks.

Martin Pitt (pitti) wrote :

How far do you get with this? I. e. if you run "apport-bug coreutils", do you see anything, or does it just go into the infinite loop straight away? Do you see anything on stdout/err? If no, can you please run

  strace -fvvs1024 -o /tmp/trace apport-bug coreutils

let it run for a few secs, then bzip2 /tmp/trace and attach /tmp/trace.bz2 here? Thanks!

Changed in apport (Ubuntu):
importance: Critical → High
status: New → Incomplete
Till Kamppeter (till-kamppeter) wrote :

Apport returned to work normally for me. I will reopen the bug if it hangs again.

Changed in apport (Ubuntu):
status: Incomplete → Invalid
Till Kamppeter (till-kamppeter) wrote :

Apport problem is appearing again. On each start of cupsd avahi-daemon goes to 100% CPU intil restarting avahi-daemon.

Changed in apport (Ubuntu):
status: Invalid → New
importance: High → Critical
Till Kamppeter (till-kamppeter) wrote :

I mean that the Avahi problem is appearing again. Apport is behaving normally.

tags: added: apport-collected quantal running-unity
description: updated

apport information

apport information

Till Kamppeter (till-kamppeter) wrote :

Apport info is from a system state with avahi-daemon taking 100% CPU.

Sorry, all wrong, I wanted to post on another bug.

Changed in apport (Ubuntu):
status: New → Invalid
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