desktop-packages team mailing list archive

[Gerry Boland <1278780@xxxxxxxxxxxxxxxxxx>]

Ok, task is for Qt clients to intercept the sigsegv signal, and in a
handler close the mir connection which should release all its video
buffers, then re-raise segv. Would it be of interest to have all mir
clients exhibit this behaviour by default? If so, should put this
behaviour in "mirclient"

If just for Qt, then Qtubuntu.

If unity8 crashes, there is the similar issue that it will hang until
apport releases it. Mir/QtMir could gain similar ability to release its
buffers before coredump, which would shrink the collected core. This
could again be a Mir task.

QtMir's ApplicationManager will need adjusting to allow new instance of
app to be launched, while the old instance is dumping core.

** Also affects: qtubuntu
   Importance: Undecided
       Status: New

** Changed in: qtubuntu
       Status: New => Confirmed

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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 qtubuntu:
  Confirmed
Status in apport package in Ubuntu:
  Triaged
Status in qtmir package in Ubuntu:
  Confirmed

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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