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[Bug 1278780] Re: apport takes too long to write crash report, appears to lock up phone

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: Steve Langasek <steve.langasek@xxxxxxxxxxxxx>
Date: Thu, 10 Sep 2015 21:30:57 -0000
Reply-to: Bug 1278780 <1278780@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

opening a task on unity8, for discussion with the unity team about the
possibility of unmapping video buffers from a SIGSEGV handler.

** Also affects: unity8 (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1278780

Title:
  apport takes too long to write crash report, appears to lock up phone

Status in Apport:
  Confirmed
Status in Canonical System Image:
  Confirmed
Status in apport package in Ubuntu:
  Triaged
Status in unity8 package in Ubuntu:
  New

Bug description:
  I can trigger a crash easily on my phone via bug 1262711. Other bugs
  are available.

  When that happens my phone appears to freeze. I am unable to do
  anything for approximately 1 to 1.5 minutes. As a user my initial gut
  reaction is to reboot the phone, thus losing the crash report, and
  wasting my time.

  Having the phone lock up for 1.5 minutes is a terrible user
  experience. Can we fix/mitigate/workaround that?

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: apport 2.13.2-0ubuntu2
  Uname: Linux 3.4.0-3-mako armv7l
  ApportVersion: 2.13.2-0ubuntu2
  Architecture: armhf
  CrashReports:
   664:32011:110:10083:2014-02-10 15:41:18.152893384 +0000:2014-02-10 15:11:09.169231740 +0000:/var/crash/_usr_lib_arm-linux-gnueabihf_upstart-app-launch_desktop-hook.32011.crash
   640:0:110:1681527:2014-02-10 15:12:10.985193887 +0000:2014-02-10 15:12:05.639489630 +0000:/var/crash/_usr_bin_powerd.0.crash
   640:0:110:21384:2014-02-11 07:58:44.876281991 +0000:2014-02-11 07:58:44.876281991 +0000:/var/crash/_usr_sbin_system-image-dbus.0.crash
   640:32011:110:17122318:2014-02-11 09:19:49.915478726 +0000:2014-02-11 09:18:20.850439824 +0000:/var/crash/_usr_bin_unity8.32011.crash
  Date: Tue Feb 11 09:20:15 2014
  InstallationDate: Installed on 2014-02-11 (0 days ago)
  InstallationMedia: Ubuntu Trusty Tahr (development branch) - armhf (20140211)
  PackageArchitecture: all
  ProcEnviron:
   TERM=linux
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   SHELL=/bin/bash
  SourcePackage: apport
  UpgradeStatus: No upgrade log present (probably fresh install)

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