Ubuntu
mutter package

gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output() from meta_monitor_get_vendor() from meta_input_settings_find_logical_monitor()

Bug #1703668 reported by Lars W
76
This bug affects 9 people
Affects Status Importance Assigned to Milestone
Mutter
Fix Released
High
mutter (Ubuntu)
Fix Released
High
Marco Trevisan (Treviño)
Nominated for Bionic by Marco Trevisan (Treviño)

Bug Description

https://errors.ubuntu.com/problem/bfdb8ffc57978ae7c23f78fdf44266fa56985fe9

---

The only thing i recognize from the crash is the crash report. everything works as expected

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.24.2-0ubuntu7
ProcVersionSignature: Ubuntu 4.12.0-6.7-generic 4.12.0
Uname: Linux 4.12.0-6-generic x86_64
ApportVersion: 2.20.5-0ubuntu5
Architecture: amd64
CrashCounter: 1
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sun Jul 9 21:56:54 2017
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2017-07-07 (3 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170630)
ProcCmdline: /usr/bin/gnome-shell
SegvAnalysis:
 Segfault happened at: 0x7fd10dc9e103 <meta_monitor_get_main_output+3>: jmpq *0x88(%rax)
 PC (0x7fd10dc9e103) ok
 source "*0x88(%rax)" ok
 SP (0x7ffe42d50508) ok
 Reason could not be automatically determined.
Signal: 11
SourcePackage: gnome-shell
StacktraceTop:
 meta_monitor_get_main_output () from /usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 meta_monitor_get_vendor () from /usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

See original description
Revision history for this message
Lars W (lars-larswolter) wrote :
Revision history for this message
Apport retracing service (apport) wrote :

StacktraceTop:
 meta_monitor_get_main_output () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 meta_monitor_get_vendor () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 meta_input_settings_find_logical_monitor () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 update_device_display () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libmutter-0.so.0
 g_closure_invoke () from /tmp/apport_sandbox_rPAroA/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0

Revision history for this message
Apport retracing service (apport) wrote : Stacktrace.txt
Revision history for this message
Apport retracing service (apport) wrote : StacktraceSource.txt
Revision history for this message
Apport retracing service (apport) wrote : ThreadStacktrace.txt
Changed in gnome-shell (Ubuntu):
importance: Undecided → Medium
tags: removed: need-amd64-retrace
Revision history for this message
Daniel van Vugt (vanvugt) wrote : Re: gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output()

This looks similar to:
https://errors.ubuntu.com/problem/16028adb2a170584702562ca1c7f32e68a2deba3

information type: Private → Public
summary: - gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output()
+ gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output() from
+ meta_monitor_get_vendor()
Revision history for this message
Launchpad Janitor (janitor) wrote : Re: gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output() from meta_monitor_get_vendor()

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in gnome-shell (Ubuntu):
status: New → Confirmed
Marco Trevisan (Treviño) (3v1n0)
affects: gnome-shell (Ubuntu) → mutter (Ubuntu)
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Actually, now tracking in:
https://errors.ubuntu.com/problem/bfdb8ffc57978ae7c23f78fdf44266fa56985fe9

description: updated
summary: gnome-shell crashed with SIGSEGV in meta_monitor_get_main_output() from
- meta_monitor_get_vendor()
+ meta_monitor_get_vendor() from
+ meta_input_settings_find_logical_monitor()
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

Similar to bug 1724102

Changed in gnome-shell (Ubuntu):
status: New → Confirmed
importance: Undecided → Medium
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

We need to keep a gnome-shell task, even temporarily, so that people and robots alike can find this bug and avoid logging duplicates against gnome-shell.

Bug Watch Updater (bug-watch-updater)
Changed in mutter:
importance: Unknown → High
status: Unknown → Confirmed
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

The bionic version of this bug is bug 1761131.

Marco Trevisan (Treviño) (3v1n0)
no longer affects: gnome-shell (Ubuntu)
Changed in mutter (Ubuntu):
importance: Medium → High
assignee: nobody → Marco Trevisan (Treviño) (3v1n0)
Revision history for this message
Daniel van Vugt (vanvugt) wrote :

I suggest keeping the gnome-shell task around, just so people can find the bug for de-duplicating.

Revision history for this message
Marco Trevisan (Treviño) (3v1n0) wrote :

ACK, I missed your comment before... That's fine.

Changed in mutter (Ubuntu):
status: Confirmed → In Progress
Changed in gnome-shell (Ubuntu):
status: New → Triaged
importance: Undecided → High
Revision history for this message
MilkBoy (michael-wikberg) wrote :

Seems to be related to some kind of race condition between number of monitors changing (decreasing?), system sleep and screensaver activation?

Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package mutter - 3.28.1-1

---------------
mutter (3.28.1-1) unstable; urgency=medium

  [ Jeremy Bicha ]
  * New upstream release
    - Fix window button spacing when display is scaled (LP: #1725133)
  * Bump Standards-Version to 4.1.4

  [ Marco Trevisan (Treviño) ]
  * Add patches proposed upstream:
  * theme-frames-Use-surface-device-scale-instead-of-cairo_sc.patch:
    - theme, frames: Use surface device scale instead of cairo_scale
      (LP: #1764554)
  * theme-use-gtk_render_icon_suface-to-paint-button-icon.patch:
    - theme: use gtk_render_icon_suface to paint button icon
      (LP: #1764558)
  * theme-load-icons-as-Gtk-does-with-fallback-and-RTL-suppor.patch:
    - theme: load icons as Gtk does with fallback and RTL support
  * clutter-Smooth-out-master-clock-to-smooth-visuals.patch:
    - clutter: Smooth out master clock to smooth visuals
  * core-Return-1-if-meta_window_get_monitor-is-called-on-an-.patch:
    - core: Return -1 if meta_window_get_monitor is called on an
      unmanaged window (LP: #1724439)
  * backends-Move-MetaOutput-crtc-field-into-private-struct.patch:
    - backends: Move MetaOutput::crtc field into private struct
      (LP: #1703668)
  * backends-Add-logical-monitor-monitor-output-crtc-ref-chai.patch:
    - backends: Add logical monitor -> monitor -> output -> crtc ref
      chain (LP: #1703668)

 -- Jeremy Bicha <email address hidden> Mon, 16 Apr 2018 22:35:14 -0400

Changed in mutter (Ubuntu):
status: In Progress → Fix Released
Daniel van Vugt (vanvugt)
no longer affects: gnome-shell (Ubuntu)
Bug Watch Updater (bug-watch-updater)
Changed in mutter:
status: Confirmed → Fix Released
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