[power]: gnome-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()

Bug #1045662 reported by Victor Zhou on 2012-09-04
This bug affects 6 people
Affects Status Importance Assigned to Milestone
gnome-settings-daemon (Ubuntu)

Bug Description

Insert the installation usb key to my machine, and go to the live session(choose Chinese as the installation language and then click "try ubuntu" ). open the firefox, terminal ... in the live session, they all work well. and then click install ubuntu 12.10 icon on the desktop, and then some error appears.
I noticed that there are some similar bugs existing, but I prefer file it here due to the installation language is not the same, and the hardware is not the same .... we can mark it duplicated if needed in the future.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: gnome-settings-daemon 3.4.2-0ubuntu10
ProcVersionSignature: Ubuntu 3.5.0-13.14-generic 3.5.3
Uname: Linux 3.5.0-13-generic i686
ApportVersion: 2.5.1-0ubuntu4
Architecture: i386
CasperVersion: 1.321
Date: Tue Sep 4 06:51:11 2012
ExecutablePath: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120903.4)
ProcCmdline: /usr/lib/gnome-settings-daemon/gnome-settings-daemon
 PATH=(custom, no user)
 Segfault happened at: 0xb76b3a40 <gnome_rr_screen_get_dpms_mode+96>: mov 0xc(%eax),%eax
 PC (0xb76b3a40) ok
 source "0xc(%eax)" (0x0000000c) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gnome-settings-daemon
 gnome_rr_screen_get_dpms_mode () from /usr/lib/libgnome-desktop-3.so.4
 gnome_rr_screen_set_dpms_mode () from /usr/lib/libgnome-desktop-3.so.4
 ?? () from /usr/lib/gnome-settings-daemon-3.0/libpower.so
 ?? () from /usr/lib/gnome-settings-daemon-3.0/libpower.so
 g_cclosure_marshal_VOID__VOIDv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: [power]: gnome-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Victor Zhou (victor.zhou) wrote :
tags: added: qa-manual-testing rls-q-incoming
description: updated

 gnome_rr_screen_get_dpms_mode (screen=screen@entry=0x0, mode=mode@entry=0xbf8a0b9c, error=error@entry=0xbf8a0c0c) at gnome-rr.c:1158
 gnome_rr_screen_set_dpms_mode (screen=0x0, mode=mode@entry=GNOME_RR_DPMS_ON, error=error@entry=0xbf8a0c0c) at gnome-rr.c:1242
 idle_set_mode (manager=manager@entry=0x87aa800, mode=mode@entry=GSD_POWER_IDLE_MODE_NORMAL) at gsd-power-manager.c:3026
 idle_evaluate (manager=0x87aa800) at gsd-power-manager.c:3196
 g_cclosure_marshal_VOID__VOIDv (closure=closure@entry=0x87d6b48, return_value=return_value@entry=0x0, instance=instance@entry=0x8858118, args=args@entry=0xbf8a0eec "\030\303\236\264", marshal_data=marshal_data@entry=0x0, n_params=n_params@entry=0, param_types=param_types@entry=0x0) at /build/buildd/glib2.0-2.33.10/./gobject/gmarshal.c:115

Changed in gnome-settings-daemon (Ubuntu):
importance: Undecided → Medium
tags: removed: need-i386-retrace
Ubuntu QA Website (ubuntuqa) wrote :

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:

tags: added: iso-testing
visibility: private → public
Launchpad Janitor (janitor) wrote :

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

Changed in gnome-settings-daemon (Ubuntu):
status: New → Confirmed
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